April 2018 - routing-wg - mailman.ripe.net

Weekly Routing Table Report
by cscora＠apnic.net 27 Apr '18

27 Apr '18

This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. The posting is sent to APOPS, NANOG, AfNOG, SANOG, PacNOG, SAFNOG TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG, IRNOG and the RIPE Routing WG. Daily listings are sent to bgp-stats(a)lists.apnic.net For historical data, please see http://thyme.rand.apnic.net. If you have any comments please contact Philip Smith <pfsinoz(a)gmail.com>. Routing Table Report 04:00 +10GMT Sat 28 Apr, 2018 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 696622 Prefixes after maximum aggregation (per Origin AS): 268740 Deaggregation factor: 2.59 Unique aggregates announced (without unneeded subnets): 335828 Total ASes present in the Internet Routing Table: 60573 Prefixes per ASN: 11.50 Origin-only ASes present in the Internet Routing Table: 52334 Origin ASes announcing only one prefix: 22916 Transit ASes present in the Internet Routing Table: 8239 Transit-only ASes present in the Internet Routing Table: 272 Average AS path length visible in the Internet Routing Table: 4.0 Max AS path length visible: 32 Max AS path prepend of ASN ( 30873) 28 Prefixes from unregistered ASNs in the Routing Table: 52 Number of instances of unregistered ASNs: 52 Number of 32-bit ASNs allocated by the RIRs: 22370 Number of 32-bit ASNs visible in the Routing Table: 18029 Prefixes from 32-bit ASNs in the Routing Table: 74974 Number of bogon 32-bit ASNs visible in the Routing Table: 16 Special use prefixes present in the Routing Table: 3 Prefixes being announced from unallocated address space: 274 Number of addresses announced to Internet: 2858007298 Equivalent to 170 /8s, 89 /16s and 187 /24s Percentage of available address space announced: 77.2 Percentage of allocated address space announced: 77.2 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 98.9 Total number of prefixes smaller than registry allocations: 231989 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 190773 Total APNIC prefixes after maximum aggregation: 54174 APNIC Deaggregation factor: 3.52 Prefixes being announced from the APNIC address blocks: 189607 Unique aggregates announced from the APNIC address blocks: 77418 APNIC Region origin ASes present in the Internet Routing Table: 8760 APNIC Prefixes per ASN: 21.64 APNIC Region origin ASes announcing only one prefix: 2447 APNIC Region transit ASes present in the Internet Routing Table: 1312 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 23 Number of APNIC region 32-bit ASNs visible in the Routing Table: 3723 Number of APNIC addresses announced to Internet: 767006722 Equivalent to 45 /8s, 183 /16s and 152 /24s APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-64098, 64297-64395, 131072-137529 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8, 163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 207204 Total ARIN prefixes after maximum aggregation: 99040 ARIN Deaggregation factor: 2.09 Prefixes being announced from the ARIN address blocks: 208175 Unique aggregates announced from the ARIN address blocks: 98531 ARIN Region origin ASes present in the Internet Routing Table: 18158 ARIN Prefixes per ASN: 11.46 ARIN Region origin ASes announcing only one prefix: 6718 ARIN Region transit ASes present in the Internet Routing Table: 1795 Average ARIN Region AS path length visible: 3.6 Max ARIN Region AS path length visible: 20 Number of ARIN region 32-bit ASNs visible in the Routing Table: 2345 Number of ARIN addresses announced to Internet: 1104075680 Equivalent to 65 /8s, 206 /16s and 219 /24s ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153 3354-4607, 4865-5119, 5632-6655, 6912-7466 7723-8191, 10240-12287, 13312-15359, 16384-17407 18432-20479, 21504-23551, 25600-26591, 26624-27647, 29696-30719, 31744-33791 35840-36863, 39936-40959, 46080-47103 53248-55295, 62464-63487, 64198-64296, 393216-397212 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 190185 Total RIPE prefixes after maximum aggregation: 91664 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 186106 Unique aggregates announced from the RIPE address blocks: 110990 RIPE Region origin ASes present in the Internet Routing Table: 25134 RIPE Prefixes per ASN: 7.40 RIPE Region origin ASes announcing only one prefix: 11403 RIPE Region transit ASes present in the Internet Routing Table: 3498 Average RIPE Region AS path length visible: 4.1 Max RIPE Region AS path length visible: 30 Number of RIPE region 32-bit ASNs visible in the Routing Table: 6928 Number of RIPE addresses announced to Internet: 715764352 Equivalent to 42 /8s, 169 /16s and 178 /24s RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-35839, 38912-39935 40960-45055, 47104-52223, 56320-58367 59392-61439, 61952-62463, 64396-64495 196608-207259 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8, 141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 89824 Total LACNIC prefixes after maximum aggregation: 19834 LACNIC Deaggregation factor: 4.53 Prefixes being announced from the LACNIC address blocks: 91232 Unique aggregates announced from the LACNIC address blocks: 40975 LACNIC Region origin ASes present in the Internet Routing Table: 7081 LACNIC Prefixes per ASN: 12.88 LACNIC Region origin ASes announcing only one prefix: 1968 LACNIC Region transit ASes present in the Internet Routing Table: 1310 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 32 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 4618 Number of LACNIC addresses announced to Internet: 172822240 Equivalent to 10 /8s, 77 /16s and 14 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-268700 + ERX transfers LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8, 191/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 18582 Total AfriNIC prefixes after maximum aggregation: 3981 AfriNIC Deaggregation factor: 4.67 Prefixes being announced from the AfriNIC address blocks: 21228 Unique aggregates announced from the AfriNIC address blocks: 7681 AfriNIC Region origin ASes present in the Internet Routing Table: 1140 AfriNIC Prefixes per ASN: 18.62 AfriNIC Region origin ASes announcing only one prefix: 379 AfriNIC Region transit ASes present in the Internet Routing Table: 229 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 23 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 415 Number of AfriNIC addresses announced to Internet: 97958400 Equivalent to 5 /8s, 214 /16s and 186 /24s AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4538 5404 4192 74 ERX-CERNET-BKB China Education and Rese 7545 4389 415 431 TPG-INTERNET-AP TPG Telecom Limited, AU 4766 2899 11134 790 KIXS-AS-KR Korea Telecom, KR 9829 2810 1499 545 BSNL-NIB National Internet Backbone, IN 7552 2766 1155 71 VIETEL-AS-AP Viettel Group, VN 9394 2626 4922 26 CTTNET China TieTong Telecommunications 45899 2517 1574 160 VNPT-AS-VN VNPT Corp, VN 17974 2284 928 79 TELKOMNET-AS2-AP PT Telekomunikasi Indo 9808 2190 8699 32 CMNET-GD Guangdong Mobile Communication 4755 2098 417 206 TATACOMM-AS TATA Communications formerl Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6327 3379 1323 84 SHAW - Shaw Communications Inc., CA 22773 3289 2988 149 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi 18566 2168 405 109 MEGAPATH5-US - MegaPath Corporation, US 20115 2097 2499 453 CHARTER-NET-HKY-NC - Charter Communicat 16509 2075 4446 643 AMAZON-02 - Amazon.com, Inc., US 209 1969 5070 607 CENTURYLINK-US-LEGACY-QWEST - Qwest Com 30036 1962 338 176 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom 11492 1872 232 540 CABLEONE - CABLE ONE, INC., US 16625 1746 852 1253 AKAMAI-AS - Akamai Technologies, Inc., 7018 1703 20213 1257 ATT-INTERNET4 - AT&T Services, Inc., US Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 4088 1516 505 UNI2-AS, ES 39891 3778 203 20 ALJAWWALSTC-AS, SA 20940 2672 726 1962 AKAMAI-ASN1, US 8551 2073 378 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2036 1876 707 ROSTELECOM-AS, RU 34984 2019 334 485 TELLCOM-AS, TR 9121 1979 1692 19 TTNET, TR 13188 1609 100 43 TRIOLAN, UA 8402 1245 544 14 CORBINA-AS OJSC "Vimpelcom", RU 6849 1241 355 21 UKRTELNET, UA Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 4442 3385 585 Uninet S.A. de C.V., MX 10620 3591 542 244 Telmex Colombia S.A., CO 11830 2645 369 86 Instituto Costarricense de Electricidad 6503 1612 437 53 Axtel, S.A.B. de C.V., MX 7303 1519 1026 193 Telecom Argentina S.A., AR 28573 1034 2251 184 CLARO S.A., BR 6147 1010 377 31 Telefonica del Peru S.A.A., PE 3816 1009 505 123 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11172 927 126 85 Alestra, S. de R.L. de C.V., MX 18881 909 1074 29 TELEFÔNICA BRASIL S.A, BR Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1171 396 45 LINKdotNET-AS, EG 37611 830 107 9 Afrihost, ZA 36903 739 371 141 MT-MPLS, MA 8452 669 1730 18 TE-AS TE-AS, EG 36992 665 1412 41 ETISALAT-MISR, EG 24835 598 850 15 RAYA-AS, EG 29571 474 68 12 ORANGE-COTE-IVOIRE, CI 37492 452 376 81 ORANGE-, TN 23889 362 103 14 MauritiusTelecom, MU 37342 361 32 1 MOVITEL, MZ Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 4538 5404 4192 74 ERX-CERNET-BKB China Education and Rese 8151 4442 3385 585 Uninet S.A. de C.V., MX 7545 4389 415 431 TPG-INTERNET-AP TPG Telecom Limited, AU 12479 4088 1516 505 UNI2-AS, ES 39891 3778 203 20 ALJAWWALSTC-AS, SA 10620 3591 542 244 Telmex Colombia S.A., CO 6327 3379 1323 84 SHAW - Shaw Communications Inc., CA 22773 3289 2988 149 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi 4766 2899 11134 790 KIXS-AS-KR Korea Telecom, KR 9829 2810 1499 545 BSNL-NIB National Internet Backbone, IN Complete listing at http://thyme.rand.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 7545 4389 3958 TPG-INTERNET-AP TPG Telecom Limited, AU 8151 4442 3857 Uninet S.A. de C.V., MX 39891 3778 3758 ALJAWWALSTC-AS, SA 12479 4088 3583 UNI2-AS, ES 10620 3591 3347 Telmex Colombia S.A., CO 6327 3379 3295 SHAW - Shaw Communications Inc., CA 22773 3289 3140 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 2766 2695 VIETEL-AS-AP Viettel Group, VN 9394 2626 2600 CTTNET China TieTong Telecommunications Corpora 11830 2645 2559 Instituto Costarricense de Electricidad y Telec Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 230105 UNALLOCATED 38.110.79.0/24 23015 CMC180-TOR-AS - Cambridge Merc 65001 PRIVATE 46.237.40.0/21 13118 ASN-YARTELECOM PJSC Rostelecom 64513 PRIVATE 62.150.101.0/24 9155 QNET Kuwait, KW 65537 DOCUMENT 62.162.120.0/24 6821 MT-AS-OWN bul. Orce Nikolov bb 419333 UNALLOCATED 84.17.91.0/24 41933 IPRAGAZ-AS Istanbul/ TURKEY, T 65024 PRIVATE 87.103.232.0/24 39407 CHITATELECOM-AS, RU 65024 PRIVATE 87.103.233.0/24 39407 CHITATELECOM-AS, RU 65024 PRIVATE 87.103.234.0/24 39407 CHITATELECOM-AS, RU 65024 PRIVATE 95.189.78.0/24 39407 CHITATELECOM-AS, RU 65024 PRIVATE 95.189.80.0/22 39407 CHITATELECOM-AS, RU Complete listing at http://thyme.rand.apnic.net/current/data-badAS Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 100.66.224.0/19 209 CENTURYLINK-US-LEGACY-QWEST - Qwest Communicati 100.127.16.0/23 28885 OMANTEL-NAP-AS OmanTel NAP, OM 100.127.18.0/23 28885 OMANTEL-NAP-AS OmanTel NAP, OM Complete listing at http://thyme.rand.apnic.net/current/data-dsua Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 27.100.7.0/24 56096 UNKNOWN 41.76.136.0/22 37500 -Reserved AS-, ZZ 41.76.136.0/24 37500 -Reserved AS-, ZZ 41.76.138.0/24 37500 -Reserved AS-, ZZ 41.76.139.0/24 37500 -Reserved AS-, ZZ 41.76.140.0/22 37500 -Reserved AS-, ZZ 41.76.140.0/24 37500 -Reserved AS-, ZZ 41.76.141.0/24 37500 -Reserved AS-, ZZ 41.76.142.0/24 37500 -Reserved AS-, ZZ 41.76.143.0/24 37500 -Reserved AS-, ZZ Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:14 /9:11 /10:37 /11:100 /12:288 /13:565 /14:1096 /15:1901 /16:13407 /17:7837 /18:13590 /19:25171 /20:39380 /21:45168 /22:86697 /23:70128 /24:388993 /25:847 /26:607 /27:654 /28:36 /29:21 /30:17 /31:4 /32:53 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6327 3168 3379 SHAW - Shaw Communications Inc., CA 39891 2946 3778 ALJAWWALSTC-AS, SA 12479 2830 4088 UNI2-AS, ES 22773 2543 3289 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 18566 2061 2168 MEGAPATH5-US - MegaPath Corporation, US 11830 1993 2645 Instituto Costarricense de Electricidad y Telec 30036 1714 1962 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi 11492 1615 1872 CABLEONE - CABLE ONE, INC., US 10620 1601 3591 Telmex Colombia S.A., CO 8551 1536 2073 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1591 2:843 4:19 5:2802 6:65 7:1 8:1116 12:1870 13:185 14:1745 15:30 16:3 17:204 18:68 20:47 21:5 23:2579 24:2163 25:2 27:2277 31:1975 32:87 35:27 36:508 37:2769 38:1445 39:256 40:119 41:3093 42:574 43:1976 44:109 45:4304 46:3040 47:204 49:1312 50:1047 51:304 52:1020 54:372 55:4 56:12 57:42 58:1556 59:992 60:430 61:2154 62:1814 63:1788 64:4926 65:2199 66:4611 67:2367 68:1144 69:3191 70:1147 71:561 72:2101 74:2719 75:414 76:439 77:1549 78:1698 79:1847 80:1490 81:1409 82:1079 83:777 84:1043 85:2059 86:590 87:1302 88:938 89:2330 90:206 91:6340 92:1168 93:2370 94:2379 95:2825 96:663 97:358 98:946 99:133 100:81 101:1281 102:40 103:17600 104:3524 105:232 106:659 107:1770 108:710 109:2718 110:1604 111:1774 112:1267 113:1262 114:1123 115:1633 116:1643 117:1730 118:2167 119:1643 120:983 121:1053 122:2451 123:1815 124:1467 125:1891 128:1002 129:648 130:453 131:1597 132:666 133:196 134:1016 135:227 136:457 137:493 138:1924 139:601 140:426 141:694 142:803 143:975 144:799 145:461 146:1184 147:786 148:1593 149:700 150:732 151:1060 152:767 153:311 154:1025 155:763 156:929 157:781 158:642 159:1738 160:925 161:751 162:2584 163:546 164:1050 165:1569 166:431 167:1396 168:3066 169:800 170:3694 171:432 172:1060 173:1984 174:885 175:759 176:1943 177:4014 178:2433 179:1212 180:2247 181:2193 182:2386 183:1145 184:956 185:13421 186:3608 187:2370 188:2770 189:2032 190:8091 191:1468 192:9836 193:5885 194:4773 195:3955 196:2530 197:1457 198:5525 199:5882 200:7399 201:4997 202:10326 203:10185 204:4562 205:2879 206:3095 207:3204 208:3979 209:3948 210:4033 211:2116 212:3005 213:2730 214:957 215:61 216:5928 217:2126 218:912 219:622 220:1754 221:995 222:1038 223:1242 End of report

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Weekly Routing Table Report
by cscora＠apnic.net 13 Apr '18

13 Apr '18

This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. The posting is sent to APOPS, NANOG, AfNOG, SANOG, PacNOG, SAFNOG TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG, IRNOG and the RIPE Routing WG. Daily listings are sent to bgp-stats(a)lists.apnic.net For historical data, please see http://thyme.rand.apnic.net. If you have any comments please contact Philip Smith <pfsinoz(a)gmail.com>. Routing Table Report 04:00 +10GMT Sat 14 Apr, 2018 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 694221 Prefixes after maximum aggregation (per Origin AS): 268062 Deaggregation factor: 2.59 Unique aggregates announced (without unneeded subnets): 333993 Total ASes present in the Internet Routing Table: 60376 Prefixes per ASN: 11.50 Origin-only ASes present in the Internet Routing Table: 52151 Origin ASes announcing only one prefix: 22835 Transit ASes present in the Internet Routing Table: 8225 Transit-only ASes present in the Internet Routing Table: 268 Average AS path length visible in the Internet Routing Table: 4.0 Max AS path length visible: 34 Max AS path prepend of ASN ( 30873) 32 Prefixes from unregistered ASNs in the Routing Table: 46 Number of instances of unregistered ASNs: 46 Number of 32-bit ASNs allocated by the RIRs: 22190 Number of 32-bit ASNs visible in the Routing Table: 17842 Prefixes from 32-bit ASNs in the Routing Table: 74177 Number of bogon 32-bit ASNs visible in the Routing Table: 16 Special use prefixes present in the Routing Table: 3 Prefixes being announced from unallocated address space: 367 Number of addresses announced to Internet: 2862806274 Equivalent to 170 /8s, 162 /16s and 245 /24s Percentage of available address space announced: 77.3 Percentage of allocated address space announced: 77.3 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 98.9 Total number of prefixes smaller than registry allocations: 231118 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 190229 Total APNIC prefixes after maximum aggregation: 53961 APNIC Deaggregation factor: 3.53 Prefixes being announced from the APNIC address blocks: 189163 Unique aggregates announced from the APNIC address blocks: 77142 APNIC Region origin ASes present in the Internet Routing Table: 8713 APNIC Prefixes per ASN: 21.71 APNIC Region origin ASes announcing only one prefix: 2428 APNIC Region transit ASes present in the Internet Routing Table: 1303 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 29 Number of APNIC region 32-bit ASNs visible in the Routing Table: 3675 Number of APNIC addresses announced to Internet: 767084034 Equivalent to 45 /8s, 184 /16s and 198 /24s APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-64098, 64297-64395, 131072-137529 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8, 163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 206423 Total ARIN prefixes after maximum aggregation: 98887 ARIN Deaggregation factor: 2.09 Prefixes being announced from the ARIN address blocks: 206893 Unique aggregates announced from the ARIN address blocks: 97703 ARIN Region origin ASes present in the Internet Routing Table: 18135 ARIN Prefixes per ASN: 11.41 ARIN Region origin ASes announcing only one prefix: 6704 ARIN Region transit ASes present in the Internet Routing Table: 1794 Average ARIN Region AS path length visible: 3.6 Max ARIN Region AS path length visible: 20 Number of ARIN region 32-bit ASNs visible in the Routing Table: 2335 Number of ARIN addresses announced to Internet: 1109026464 Equivalent to 66 /8s, 26 /16s and 102 /24s ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153 3354-4607, 4865-5119, 5632-6655, 6912-7466 7723-8191, 10240-12287, 13312-15359, 16384-17407 18432-20479, 21504-23551, 25600-26591, 26624-27647, 29696-30719, 31744-33791 35840-36863, 39936-40959, 46080-47103 53248-55295, 62464-63487, 64198-64296, 393216-397212 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 189340 Total RIPE prefixes after maximum aggregation: 91435 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 185690 Unique aggregates announced from the RIPE address blocks: 110508 RIPE Region origin ASes present in the Internet Routing Table: 25094 RIPE Prefixes per ASN: 7.40 RIPE Region origin ASes announcing only one prefix: 11401 RIPE Region transit ASes present in the Internet Routing Table: 3486 Average RIPE Region AS path length visible: 4.1 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 6884 Number of RIPE addresses announced to Internet: 716174976 Equivalent to 42 /8s, 175 /16s and 246 /24s RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-35839, 38912-39935 40960-45055, 47104-52223, 56320-58367 59392-61439, 61952-62463, 64396-64495 196608-207259 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8, 141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 89451 Total LACNIC prefixes after maximum aggregation: 19714 LACNIC Deaggregation factor: 4.54 Prefixes being announced from the LACNIC address blocks: 90842 Unique aggregates announced from the LACNIC address blocks: 40741 LACNIC Region origin ASes present in the Internet Routing Table: 7008 LACNIC Prefixes per ASN: 12.96 LACNIC Region origin ASes announcing only one prefix: 1926 LACNIC Region transit ASes present in the Internet Routing Table: 1311 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 32 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 4541 Number of LACNIC addresses announced to Internet: 172652768 Equivalent to 10 /8s, 74 /16s and 120 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-268700 + ERX transfers LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8, 191/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 18730 Total AfriNIC prefixes after maximum aggregation: 4023 AfriNIC Deaggregation factor: 4.66 Prefixes being announced from the AfriNIC address blocks: 21266 Unique aggregates announced from the AfriNIC address blocks: 7607 AfriNIC Region origin ASes present in the Internet Routing Table: 1132 AfriNIC Prefixes per ASN: 18.79 AfriNIC Region origin ASes announcing only one prefix: 375 AfriNIC Region transit ASes present in the Internet Routing Table: 227 Average AfriNIC Region AS path length visible: 4.4 Max AfriNIC Region AS path length visible: 21 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 407 Number of AfriNIC addresses announced to Internet: 97447936 Equivalent to 5 /8s, 206 /16s and 240 /24s AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4538 5407 4192 74 ERX-CERNET-BKB China Education and Rese 7545 4378 415 431 TPG-INTERNET-AP TPG Telecom Limited, AU 4766 2854 11131 783 KIXS-AS-KR Korea Telecom, KR 9829 2815 1499 544 BSNL-NIB National Internet Backbone, IN 7552 2725 1155 69 VIETEL-AS-AP Viettel Group, VN 9394 2635 4923 29 CTTNET China TieTong Telecommunications 45899 2586 1574 161 VNPT-AS-VN VNPT Corp, VN 17974 2330 928 79 TELKOMNET-AS2-AP PT Telekomunikasi Indo 9808 2171 8699 32 CMNET-GD Guangdong Mobile Communication 4755 2091 417 215 TATACOMM-AS TATA Communications formerl Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6327 3365 1323 85 SHAW - Shaw Communications Inc., CA 22773 3287 2988 150 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi 18566 2168 405 109 MEGAPATH5-US - MegaPath Corporation, US 20115 2093 2490 448 CHARTER-NET-HKY-NC - Charter Communicat 16509 2054 4413 636 AMAZON-02 - Amazon.com, Inc., US 30036 1952 338 186 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom 209 1922 5070 606 CENTURYLINK-US-LEGACY-QWEST - Qwest Com 11492 1800 227 546 CABLEONE - CABLE ONE, INC., US 16625 1750 856 1248 AKAMAI-AS - Akamai Technologies, Inc., 7018 1707 20205 1255 ATT-INTERNET4 - AT&T Services, Inc., US Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 4036 1512 488 UNI2-AS, ES 39891 3778 203 20 ALJAWWALSTC-AS, SA 20940 2695 742 1980 AKAMAI-ASN1, US 8551 2126 378 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2029 1859 706 ROSTELECOM-AS, RU 34984 1977 333 490 TELLCOM-AS, TR 9121 1968 1692 19 TTNET, TR 13188 1608 100 47 TRIOLAN, UA 6849 1241 355 21 UKRTELNET, UA 8402 1226 544 14 CORBINA-AS OJSC "Vimpelcom", RU Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 4345 3387 574 Uninet S.A. de C.V., MX 10620 3570 539 270 Telmex Colombia S.A., CO 11830 2641 369 85 Instituto Costarricense de Electricidad 6503 1626 437 53 Axtel, S.A.B. de C.V., MX 7303 1510 1024 192 Telecom Argentina S.A., AR 28573 1037 2254 176 CLARO S.A., BR 3816 1005 504 121 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 996 377 31 Telefonica del Peru S.A.A., PE 11172 928 126 85 Alestra, S. de R.L. de C.V., MX 18881 908 1074 29 TELEFÔNICA BRASIL S.A, BR Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1144 396 44 LINKdotNET-AS, EG 37611 824 107 9 Afrihost, ZA 36903 741 372 137 MT-MPLS, MA 36992 701 1412 41 ETISALAT-MISR, EG 8452 643 1730 18 TE-AS TE-AS, EG 24835 638 850 15 RAYA-AS, EG 29571 472 68 12 ORANGE-COTE-IVOIRE, CI 37492 451 376 81 ORANGE-, TN 15399 362 35 7 WANANCHI-, KE 37342 361 32 1 MOVITEL, MZ Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 4538 5407 4192 74 ERX-CERNET-BKB China Education and Rese 7545 4378 415 431 TPG-INTERNET-AP TPG Telecom Limited, AU 8151 4345 3387 574 Uninet S.A. de C.V., MX 12479 4036 1512 488 UNI2-AS, ES 39891 3778 203 20 ALJAWWALSTC-AS, SA 10620 3570 539 270 Telmex Colombia S.A., CO 6327 3365 1323 85 SHAW - Shaw Communications Inc., CA 22773 3287 2988 150 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi 4766 2854 11131 783 KIXS-AS-KR Korea Telecom, KR 9829 2815 1499 544 BSNL-NIB National Internet Backbone, IN Complete listing at http://thyme.rand.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 7545 4378 3947 TPG-INTERNET-AP TPG Telecom Limited, AU 8151 4345 3771 Uninet S.A. de C.V., MX 39891 3778 3758 ALJAWWALSTC-AS, SA 12479 4036 3548 UNI2-AS, ES 10620 3570 3300 Telmex Colombia S.A., CO 6327 3365 3280 SHAW - Shaw Communications Inc., CA 22773 3287 3137 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 2725 2656 VIETEL-AS-AP Viettel Group, VN 9394 2635 2606 CTTNET China TieTong Telecommunications Corpora 11830 2641 2556 Instituto Costarricense de Electricidad y Telec Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 230105 UNALLOCATED 38.110.79.0/24 23015 CMC180-TOR-AS - Cambridge Merc 65001 PRIVATE 46.237.40.0/21 13118 ASN-YARTELECOM PJSC Rostelecom 64513 PRIVATE 62.150.101.0/24 9155 QNET Kuwait, KW 65537 DOCUMENT 62.162.120.0/24 6821 MT-AS-OWN bul. Orce Nikolov bb 65024 PRIVATE 87.103.234.0/24 39407 CHITATELECOM-AS, RU 65024 PRIVATE 95.189.78.0/24 39407 CHITATELECOM-AS, RU 65024 PRIVATE 95.189.80.0/22 39407 CHITATELECOM-AS, RU 64111 UNALLOCATED 98.159.5.0/24 19555 KMI-NETWORK - Kinder Morgan, I 64111 UNALLOCATED 98.159.7.0/24 19555 KMI-NETWORK - Kinder Morgan, I 64121 UNALLOCATED 98.159.9.0/24 19555 KMI-NETWORK - Kinder Morgan, I Complete listing at http://thyme.rand.apnic.net/current/data-badAS Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 100.66.224.0/19 209 CENTURYLINK-US-LEGACY-QWEST - Qwest Communicati 100.127.16.0/23 28885 OMANTEL-NAP-AS OmanTel NAP, OM 100.127.18.0/23 28885 OMANTEL-NAP-AS OmanTel NAP, OM Complete listing at http://thyme.rand.apnic.net/current/data-dsua Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 14.128.14.0/23 10247 NETLINE, ZA 14.192.48.0/24 327815 XNET, NA 14.192.50.0/23 10247 NETLINE, ZA 14.192.58.0/23 10247 NETLINE, ZA 27.100.7.0/24 56096 UNKNOWN 36.255.250.0/23 10247 NETLINE, ZA 41.76.136.0/22 37500 -Reserved AS-, ZZ 41.76.136.0/24 37500 -Reserved AS-, ZZ 41.76.138.0/24 37500 -Reserved AS-, ZZ 41.76.139.0/24 37500 -Reserved AS-, ZZ Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:15 /9:12 /10:37 /11:100 /12:288 /13:564 /14:1097 /15:1902 /16:13397 /17:7836 /18:13669 /19:25227 /20:39361 /21:45193 /22:86301 /23:70047 /24:386928 /25:849 /26:607 /27:662 /28:35 /29:20 /30:17 /31:4 /32:53 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6327 3153 3365 SHAW - Shaw Communications Inc., CA 39891 2946 3778 ALJAWWALSTC-AS, SA 12479 2772 4036 UNI2-AS, ES 22773 2540 3287 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 18566 2061 2168 MEGAPATH5-US - MegaPath Corporation, US 11830 1989 2641 Instituto Costarricense de Electricidad y Telec 30036 1703 1952 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi 10620 1599 3570 Telmex Colombia S.A., CO 8551 1589 2126 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 1558 1800 CABLEONE - CABLE ONE, INC., US Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1592 2:825 4:19 5:2869 6:59 7:1 8:1122 12:1876 13:183 14:1746 15:30 16:3 17:200 18:68 20:47 21:4 23:2549 24:2153 25:2 27:2269 31:1971 32:87 35:27 36:505 37:2757 38:1449 39:253 40:118 41:3104 42:606 43:1938 44:104 45:4100 46:3070 47:204 49:1297 50:1048 51:304 52:993 54:372 55:5 56:12 57:42 58:1532 59:1011 60:430 61:2139 62:1815 63:1803 64:4758 65:2221 66:4587 67:2351 68:1146 69:3192 70:1149 71:560 72:2093 74:2718 75:411 76:429 77:1549 78:1699 79:1929 80:1478 81:1429 82:1080 83:770 84:1040 85:2050 86:580 87:1318 88:933 89:2309 90:208 91:6310 92:1171 93:2390 94:2370 95:2781 96:659 97:357 98:943 99:133 100:81 101:1259 102:40 103:17406 104:3250 105:228 106:654 107:1763 108:711 109:2699 110:1597 111:1780 112:1267 113:1337 114:1121 115:1637 116:1641 117:1705 118:2158 119:1664 120:965 121:1057 122:2451 123:1810 124:1450 125:1891 128:979 129:638 130:449 131:1574 132:677 133:196 134:1015 135:226 136:455 137:498 138:1908 139:593 140:424 141:688 142:782 143:975 144:810 145:459 146:1178 147:766 148:1560 149:701 150:720 151:1048 152:762 153:312 154:1029 155:754 156:870 157:784 158:629 159:1667 160:923 161:747 162:2579 163:531 164:1057 165:1412 166:425 167:1403 168:3051 169:806 170:3687 171:428 172:1040 173:1946 174:887 175:750 176:1851 177:3975 178:2418 179:1218 180:2247 181:2218 182:2386 183:1138 184:919 185:13255 186:3581 187:2381 188:2764 189:2026 190:8121 191:1438 192:9829 193:5888 194:4795 195:3952 196:2505 197:1424 198:5538 199:5864 200:7392 201:5013 202:10371 203:10177 204:4520 205:2878 206:3075 207:3199 208:3979 209:3937 210:4035 211:2111 212:3017 213:2725 214:950 215:60 216:5841 217:2130 218:908 219:619 220:1748 221:995 222:1039 223:1244 End of report

1 0

Historical routing question
by Hank Nussbacher 11 Apr '18

11 Apr '18

While giving a routing lecture today someone asked me "Why was eBGP assigned an administrative distance of 20 which is better than OSPF's administrative distance of 110. What was the logic behind that decision?" I was unable to think of an answer. Ideas? Thanks, Hank

5 4

Last call for RIPE76 Routing WG topics
by Ignas Bagdonas 10 Apr '18

10 Apr '18

Dear working group, If you are considering discussing anything of interest to the community during Routing WG meeting - please send your topic proposals before end of this week, by April 15. Thank you. Ignas

1 0

Weekly Routing Table Report
by cscora＠apnic.net 06 Apr '18

06 Apr '18

This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. The posting is sent to APOPS, NANOG, AfNOG, SANOG, PacNOG, SAFNOG TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG, IRNOG and the RIPE Routing WG. Daily listings are sent to bgp-stats(a)lists.apnic.net For historical data, please see http://thyme.rand.apnic.net. If you have any comments please contact Philip Smith <pfsinoz(a)gmail.com>. Routing Table Report 04:00 +10GMT Sat 07 Apr, 2018 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 690896 Prefixes after maximum aggregation (per Origin AS): 266872 Deaggregation factor: 2.59 Unique aggregates announced (without unneeded subnets): 332608 Total ASes present in the Internet Routing Table: 60156 Prefixes per ASN: 11.49 Origin-only ASes present in the Internet Routing Table: 51982 Origin ASes announcing only one prefix: 22730 Transit ASes present in the Internet Routing Table: 8174 Transit-only ASes present in the Internet Routing Table: 266 Average AS path length visible in the Internet Routing Table: 4.0 Max AS path length visible: 34 Max AS path prepend of ASN ( 30873) 32 Prefixes from unregistered ASNs in the Routing Table: 50 Number of instances of unregistered ASNs: 50 Number of 32-bit ASNs allocated by the RIRs: 22082 Number of 32-bit ASNs visible in the Routing Table: 17722 Prefixes from 32-bit ASNs in the Routing Table: 73655 Number of bogon 32-bit ASNs visible in the Routing Table: 20 Special use prefixes present in the Routing Table: 3 Prefixes being announced from unallocated address space: 310 Number of addresses announced to Internet: 2861813986 Equivalent to 170 /8s, 147 /16s and 208 /24s Percentage of available address space announced: 77.3 Percentage of allocated address space announced: 77.3 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 98.9 Total number of prefixes smaller than registry allocations: 230077 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 188751 Total APNIC prefixes after maximum aggregation: 53654 APNIC Deaggregation factor: 3.52 Prefixes being announced from the APNIC address blocks: 187714 Unique aggregates announced from the APNIC address blocks: 76628 APNIC Region origin ASes present in the Internet Routing Table: 8693 APNIC Prefixes per ASN: 21.59 APNIC Region origin ASes announcing only one prefix: 2439 APNIC Region transit ASes present in the Internet Routing Table: 1288 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 3653 Number of APNIC addresses announced to Internet: 766814946 Equivalent to 45 /8s, 180 /16s and 170 /24s APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-64098, 64297-64395, 131072-137529 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8, 163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 206144 Total ARIN prefixes after maximum aggregation: 98618 ARIN Deaggregation factor: 2.09 Prefixes being announced from the ARIN address blocks: 206770 Unique aggregates announced from the ARIN address blocks: 97746 ARIN Region origin ASes present in the Internet Routing Table: 18123 ARIN Prefixes per ASN: 11.41 ARIN Region origin ASes announcing only one prefix: 6693 ARIN Region transit ASes present in the Internet Routing Table: 1795 Average ARIN Region AS path length visible: 3.6 Max ARIN Region AS path length visible: 23 Number of ARIN region 32-bit ASNs visible in the Routing Table: 2332 Number of ARIN addresses announced to Internet: 1109310624 Equivalent to 66 /8s, 30 /16s and 188 /24s ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153 3354-4607, 4865-5119, 5632-6655, 6912-7466 7723-8191, 10240-12287, 13312-15359, 16384-17407 18432-20479, 21504-23551, 25600-26591, 26624-27647, 29696-30719, 31744-33791 35840-36863, 39936-40959, 46080-47103 53248-55295, 62464-63487, 64198-64296, 393216-397212 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 188163 Total RIPE prefixes after maximum aggregation: 90863 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 184468 Unique aggregates announced from the RIPE address blocks: 109731 RIPE Region origin ASes present in the Internet Routing Table: 24935 RIPE Prefixes per ASN: 7.40 RIPE Region origin ASes announcing only one prefix: 11306 RIPE Region transit ASes present in the Internet Routing Table: 3476 Average RIPE Region AS path length visible: 4.1 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 6819 Number of RIPE addresses announced to Internet: 715437952 Equivalent to 42 /8s, 164 /16s and 183 /24s RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-35839, 38912-39935 40960-45055, 47104-52223, 56320-58367 59392-61439, 61952-62463, 64396-64495 196608-207259 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8, 141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 89159 Total LACNIC prefixes after maximum aggregation: 19670 LACNIC Deaggregation factor: 4.53 Prefixes being announced from the LACNIC address blocks: 90546 Unique aggregates announced from the LACNIC address blocks: 40664 LACNIC Region origin ASes present in the Internet Routing Table: 6983 LACNIC Prefixes per ASN: 12.97 LACNIC Region origin ASes announcing only one prefix: 1923 LACNIC Region transit ASes present in the Internet Routing Table: 1286 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 32 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 4514 Number of LACNIC addresses announced to Internet: 172503776 Equivalent to 10 /8s, 72 /16s and 50 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-268700 + ERX transfers LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8, 191/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 18627 Total AfriNIC prefixes after maximum aggregation: 4027 AfriNIC Deaggregation factor: 4.63 Prefixes being announced from the AfriNIC address blocks: 21088 Unique aggregates announced from the AfriNIC address blocks: 7581 AfriNIC Region origin ASes present in the Internet Routing Table: 1131 AfriNIC Prefixes per ASN: 18.65 AfriNIC Region origin ASes announcing only one prefix: 368 AfriNIC Region transit ASes present in the Internet Routing Table: 227 Average AfriNIC Region AS path length visible: 4.4 Max AfriNIC Region AS path length visible: 21 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 404 Number of AfriNIC addresses announced to Internet: 97351680 Equivalent to 5 /8s, 205 /16s and 120 /24s AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4538 5416 4192 74 ERX-CERNET-BKB China Education and Rese 7545 3870 413 428 TPG-INTERNET-AP TPG Telecom Limited, AU 4766 2843 11130 778 KIXS-AS-KR Korea Telecom, KR 9829 2814 1499 544 BSNL-NIB National Internet Backbone, IN 7552 2716 1155 67 VIETEL-AS-AP Viettel Group, VN 9394 2631 4923 29 CTTNET China TieTong Telecommunications 45899 2585 1570 160 VNPT-AS-VN VNPT Corp, VN 17974 2322 928 79 TELKOMNET-AS2-AP PT Telekomunikasi Indo 9808 2178 8699 32 CMNET-GD Guangdong Mobile Communication 4755 2089 417 216 TATACOMM-AS TATA Communications formerl Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6327 3352 1323 85 SHAW - Shaw Communications Inc., CA 22773 3286 2988 151 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi 18566 2167 405 108 MEGAPATH5-US - MegaPath Corporation, US 20115 2092 2484 447 CHARTER-NET-HKY-NC - Charter Communicat 16509 2043 4411 635 AMAZON-02 - Amazon.com, Inc., US 30036 1955 341 181 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom 209 1922 5071 607 CENTURYLINK-US-LEGACY-QWEST - Qwest Com 11492 1793 228 537 CABLEONE - CABLE ONE, INC., US 16625 1707 831 1222 AKAMAI-AS - Akamai Technologies, Inc., 7018 1706 20205 1257 ATT-INTERNET4 - AT&T Services, Inc., US Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 4059 1513 474 UNI2-AS, ES 39891 3778 203 20 ALJAWWALSTC-AS, SA 20940 2735 767 2003 AKAMAI-ASN1, US 8551 2114 378 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2036 1859 706 ROSTELECOM-AS, RU 34984 2018 334 480 TELLCOM-AS, TR 9121 1956 1692 19 TTNET, TR 13188 1607 100 46 TRIOLAN, UA 6849 1241 355 21 UKRTELNET, UA 8402 1233 544 14 CORBINA-AS OJSC "Vimpelcom", RU Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 4328 3385 574 Uninet S.A. de C.V., MX 10620 3598 540 268 Telmex Colombia S.A., CO 11830 2641 369 85 Instituto Costarricense de Electricidad 6503 1625 437 53 Axtel, S.A.B. de C.V., MX 7303 1510 1023 192 Telecom Argentina S.A., AR 28573 1032 2251 174 CLARO S.A., BR 6147 1016 377 31 Telefonica del Peru S.A.A., PE 3816 1005 504 121 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11172 928 126 85 Alestra, S. de R.L. de C.V., MX 18881 908 1074 29 TELEFÔNICA BRASIL S.A, BR Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1143 396 44 LINKdotNET-AS, EG 37611 821 107 9 Afrihost, ZA 36903 741 372 137 MT-MPLS, MA 36992 705 1412 41 ETISALAT-MISR, EG 24835 638 850 15 RAYA-AS, EG 8452 631 1730 18 TE-AS TE-AS, EG 29571 471 68 12 ORANGE-COTE-IVOIRE, CI 37492 450 376 81 ORANGE-, TN 15399 364 35 7 WANANCHI-, KE 37342 360 32 1 MOVITEL, MZ Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 4538 5416 4192 74 ERX-CERNET-BKB China Education and Rese 8151 4328 3385 574 Uninet S.A. de C.V., MX 12479 4059 1513 474 UNI2-AS, ES 7545 3870 413 428 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 3778 203 20 ALJAWWALSTC-AS, SA 10620 3598 540 268 Telmex Colombia S.A., CO 6327 3352 1323 85 SHAW - Shaw Communications Inc., CA 22773 3286 2988 151 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi 4766 2843 11130 778 KIXS-AS-KR Korea Telecom, KR 9829 2814 1499 544 BSNL-NIB National Internet Backbone, IN Complete listing at http://thyme.rand.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 39891 3778 3758 ALJAWWALSTC-AS, SA 8151 4328 3754 Uninet S.A. de C.V., MX 12479 4059 3585 UNI2-AS, ES 7545 3870 3442 TPG-INTERNET-AP TPG Telecom Limited, AU 10620 3598 3330 Telmex Colombia S.A., CO 6327 3352 3267 SHAW - Shaw Communications Inc., CA 22773 3286 3135 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 2716 2649 VIETEL-AS-AP Viettel Group, VN 9394 2631 2602 CTTNET China TieTong Telecommunications Corpora 11830 2641 2556 Instituto Costarricense de Electricidad y Telec Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 230105 UNALLOCATED 38.110.79.0/24 23015 CMC180-TOR-AS - Cambridge Merc 267359 UNALLOCATED 45.234.36.0/22 264144 ASAP GLOBAL TELECOM, BR 65001 PRIVATE 46.237.40.0/21 13118 ASN-YARTELECOM PJSC Rostelecom 64513 PRIVATE 62.150.101.0/24 9155 QNET Kuwait, KW 65537 DOCUMENT 62.162.120.0/24 6821 MT-AS-OWN bul. Orce Nikolov bb 65024 PRIVATE 87.103.234.0/24 39407 CHITATELECOM-AS, RU 65024 PRIVATE 95.189.78.0/24 39407 CHITATELECOM-AS, RU 65024 PRIVATE 95.189.80.0/22 39407 CHITATELECOM-AS, RU 64111 UNALLOCATED 98.159.5.0/24 19555 KMI-NETWORK - Kinder Morgan, I 64111 UNALLOCATED 98.159.7.0/24 19555 KMI-NETWORK - Kinder Morgan, I Complete listing at http://thyme.rand.apnic.net/current/data-badAS Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 100.66.224.0/19 209 CENTURYLINK-US-LEGACY-QWEST - Qwest Communicati 100.127.16.0/23 28885 OMANTEL-NAP-AS OmanTel NAP, OM 100.127.18.0/23 28885 OMANTEL-NAP-AS OmanTel NAP, OM Complete listing at http://thyme.rand.apnic.net/current/data-dsua Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 14.128.14.0/23 10247 NETLINE, ZA 14.192.50.0/23 10247 NETLINE, ZA 14.192.58.0/23 10247 NETLINE, ZA 27.100.7.0/24 56096 UNKNOWN 36.255.250.0/23 10247 NETLINE, ZA 41.76.136.0/22 37500 -Reserved AS-, ZZ 41.76.136.0/24 37500 -Reserved AS-, ZZ 41.76.138.0/24 37500 -Reserved AS-, ZZ 41.76.139.0/24 37500 -Reserved AS-, ZZ 41.76.140.0/22 37500 -Reserved AS-, ZZ Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:15 /9:12 /10:37 /11:100 /12:288 /13:564 /14:1098 /15:1900 /16:13371 /17:7800 /18:13591 /19:25132 /20:39238 /21:45076 /22:85970 /23:69237 /24:385229 /25:841 /26:604 /27:661 /28:35 /29:20 /30:17 /31:4 /32:56 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6327 3141 3352 SHAW - Shaw Communications Inc., CA 39891 2946 3778 ALJAWWALSTC-AS, SA 12479 2783 4059 UNI2-AS, ES 22773 2538 3286 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 18566 2061 2167 MEGAPATH5-US - MegaPath Corporation, US 11830 1989 2641 Instituto Costarricense de Electricidad y Telec 30036 1706 1955 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi 10620 1604 3598 Telmex Colombia S.A., CO 8551 1577 2114 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 1554 1793 CABLEONE - CABLE ONE, INC., US Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1549 2:826 4:19 5:2759 6:59 7:1 8:1123 12:1881 13:183 14:1737 15:30 16:3 17:196 18:68 20:47 21:4 23:2542 24:2156 25:2 27:2197 31:1948 32:87 35:26 36:494 37:2680 38:1450 39:237 40:118 41:3030 42:598 43:1937 44:103 45:4024 46:3000 47:203 49:1289 50:1048 51:304 52:988 54:371 55:4 56:12 57:42 58:1505 59:1015 60:428 61:2134 62:1807 63:1797 64:4754 65:2217 66:4585 67:2346 68:1148 69:3194 70:1141 71:560 72:2096 74:2709 75:412 76:426 77:1541 78:1684 79:1917 80:1464 81:1414 82:1076 83:783 84:1034 85:2083 86:586 87:1312 88:934 89:2319 90:208 91:6272 92:1157 93:2384 94:2380 95:2758 96:658 97:357 98:935 99:133 100:79 101:1234 102:41 103:17264 104:3264 105:229 106:647 107:1765 108:710 109:2676 110:1578 111:1775 112:1267 113:1331 114:1121 115:1652 116:1640 117:1703 118:2114 119:1655 120:955 121:1061 122:2452 123:1805 124:1448 125:1882 128:982 129:640 130:448 131:1585 132:651 133:196 134:1005 135:226 136:455 137:499 138:1911 139:582 140:424 141:688 142:790 143:962 144:807 145:458 146:1164 147:760 148:1585 149:710 150:715 151:1058 152:760 153:310 154:1024 155:754 156:865 157:780 158:627 159:1663 160:932 161:747 162:2585 163:531 164:1040 165:1408 166:423 167:1408 168:3037 169:809 170:3716 171:428 172:1042 173:1962 174:883 175:750 176:1867 177:3969 178:2406 179:1202 180:2240 181:2200 182:2290 183:1143 184:913 185:13091 186:3573 187:2367 188:2747 189:2014 190:8133 191:1447 192:9820 193:5868 194:4777 195:3950 196:2493 197:1414 198:5507 199:5874 200:7395 201:4992 202:10321 203:10109 204:4523 205:2864 206:3071 207:3195 208:3981 209:3938 210:4026 211:2108 212:3018 213:2727 214:907 215:60 216:5859 217:2133 218:900 219:620 220:1724 221:1000 222:1042 223:1240 End of report

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