[routing-wg] Weekly Global IPv4 Routing Table Report

This is an automated weekly mailing describing the state of the Internet Global IPv4 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 and the RIPE Routing WG. Daily listings are sent to bgp-stats@lists.apnic.net For historical data, please see http://thyme.rand.apnic.net. If you have any comments please contact Philip Smith <pfsinoz@gmail.com>. Global IPv4 Routing Table Report 04:00 +10GMT Sat 23 Oct, 2021 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 867554 Prefixes after maximum aggregation (per Origin AS): 329940 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 419703 Total ASes present in the Internet Routing Table: 72150 Prefixes per ASN: 12.02 Origin-only ASes present in the Internet Routing Table: 61971 Origin ASes announcing only one prefix: 25553 Transit ASes present in the Internet Routing Table: 10179 Transit-only ASes present in the Internet Routing Table: 348 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 53 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 920 Number of instances of unregistered ASNs: 924 Number of 32-bit ASNs allocated by the RIRs: 37600 Number of 32-bit ASNs visible in the Routing Table: 31219 Prefixes from 32-bit ASNs in the Routing Table: 145632 Number of bogon 32-bit ASNs visible in the Routing Table: 22 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 417 Number of addresses announced to Internet: 3071270144 Equivalent to 183 /8s, 15 /16s and 221 /24s Percentage of available address space announced: 83.0 Percentage of allocated address space announced: 83.0 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.5 Total number of prefixes smaller than registry allocations: 288266 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 231716 Total APNIC prefixes after maximum aggregation: 66510 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 227141 Unique aggregates announced from the APNIC address blocks: 92521 APNIC Region origin ASes present in the Internet Routing Table: 12039 APNIC Prefixes per ASN: 18.87 APNIC Region origin ASes announcing only one prefix: 3422 APNIC Region transit ASes present in the Internet Routing Table: 1700 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7211 Number of APNIC addresses announced to Internet: 773052288 Equivalent to 46 /8s, 19 /16s and 215 /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, 131072-151865 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: 254633 Total ARIN prefixes after maximum aggregation: 117512 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 254543 Unique aggregates announced from the ARIN address blocks: 122065 ARIN Region origin ASes present in the Internet Routing Table: 18927 ARIN Prefixes per ASN: 13.45 ARIN Region origin ASes announcing only one prefix: 6857 ARIN Region transit ASes present in the Internet Routing Table: 1949 Average ARIN Region AS path length visible: 3.8 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4171 Number of ARIN addresses announced to Internet: 1301368320 Equivalent to 77 /8s, 145 /16s and 78 /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, 393216-401308 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, 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: 241557 Total RIPE prefixes after maximum aggregation: 113212 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 237828 Unique aggregates announced from the RIPE address blocks: 146133 RIPE Region origin ASes present in the Internet Routing Table: 28094 RIPE Prefixes per ASN: 8.47 RIPE Region origin ASes announcing only one prefix: 12107 RIPE Region transit ASes present in the Internet Routing Table: 3918 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 27 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10484 Number of RIPE addresses announced to Internet: 712184704 Equivalent to 42 /8s, 115 /16s and 19 /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 196608-213403 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: 112033 Total LACNIC prefixes after maximum aggregation: 26788 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 112908 Unique aggregates announced from the LACNIC address blocks: 47478 LACNIC Region origin ASes present in the Internet Routing Table: 10786 LACNIC Prefixes per ASN: 10.47 LACNIC Region origin ASes announcing only one prefix: 2614 LACNIC Region transit ASes present in the Internet Routing Table: 2119 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 53 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8455 Number of LACNIC addresses announced to Internet: 176483328 Equivalent to 10 /8s, 132 /16s and 236 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-272796 + 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: 26695 Total AfriNIC prefixes after maximum aggregation: 5223 AfriNIC Deaggregation factor: 5.11 Prefixes being announced from the AfriNIC address blocks: 34717 Unique aggregates announced from the AfriNIC address blocks: 11144 AfriNIC Region origin ASes present in the Internet Routing Table: 1569 AfriNIC Prefixes per ASN: 22.13 AfriNIC Region origin ASes announcing only one prefix: 553 AfriNIC Region transit ASes present in the Internet Routing Table: 311 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 42 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 898 Number of AfriNIC addresses announced to Internet: 107911424 Equivalent to 6 /8s, 110 /16s and 153 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 45/8, 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 9808 8188 9000 57 CMNET-GD Guangdong Mobile Communication 7545 5839 787 682 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4661 4192 74 ERX-CERNET-BKB China Education and Rese 7713 3507 1023 57 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3056 1896 55 VNPT-AS-VN VNPT Corp, VN 7552 2969 1330 19 VIETEL-AS-AP Viettel Group, VN 4766 2507 11119 578 KIXS-AS-KR Korea Telecom, KR 9498 2163 472 237 BBIL-AP BHARTI Airtel Ltd., IN 4755 2126 429 203 TATACOMM-AS TATA Communications formerl 45090 2126 1198 75 CNNIC-TENCENT-NET-AP Shenzhen Tencent C 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 16509 5766 9981 2525 AMAZON-02, US 11492 4672 309 782 CABLEONE, US 22773 4085 3057 378 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3951 264 30 VIASAT-SP-BACKBONE, US 16625 3638 1882 2536 AKAMAI-AS, US 6327 3371 1318 69 SHAW, CA 749 2666 50722 1922 DNIC-AS-00749, US 30036 2584 373 195 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2527 5028 447 CENTURYLINK-US-LEGACY-QWEST, US 20115 2241 3032 504 CHARTER-20115, 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 6861 1726 143 UNI2-AS, ES 20940 3892 3348 214 AKAMAI-ASN1, NL 39891 3271 187 23 ALJAWWALSTC-AS, SA 8551 3270 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2929 2283 898 ROSTELECOM-AS, RU 9009 2508 259 1323 M247, GB 34984 2241 358 603 TELLCOM-AS, TR 58224 1692 902 581 TCI, IR 61317 1665 223 927 ASDETUK www.heficed.com, GB 13188 1606 100 27 TRIOLAN, 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 8902 3461 572 Uninet S.A. de C.V., MX 10620 3413 519 716 Telmex Colombia S.A., CO 11830 2498 369 62 Instituto Costarricense de Electricidad 13999 1641 297 457 Mega Cable, S.A. de C.V., MX 6503 1523 359 473 Axtel, S.A.B. de C.V., MX 28573 1444 2309 253 CLARO S.A., BR 3816 1240 651 153 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 26615 1126 2351 135 TIM SA, BR 6147 1083 369 22 Telefonica del Peru S.A.A., PE 11172 956 111 69 Alestra, S. de R.L. de C.V., MX 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 1636 393 21 LINKdotNET-AS, EG 24835 1551 503 32 RAYA-AS, EG 36992 1287 1418 270 ETISALAT-MISR, EG 36903 1183 537 110 MT-MPLS, MA 29571 813 68 11 ORANGE-COTE-IVOIRE, CI 36935 643 523 44 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 514 50 31 WANANCHI-, KE 37342 470 32 1 MOVITEL, MZ 2018 343 319 73 TENET-1, ZA 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 8151 8902 3461 572 Uninet S.A. de C.V., MX 9808 8188 9000 57 CMNET-GD Guangdong Mobile Communication 12479 6861 1726 143 UNI2-AS, ES 7545 5839 787 682 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 5766 9981 2525 AMAZON-02, US 11492 4672 309 782 CABLEONE, US 4538 4661 4192 74 ERX-CERNET-BKB China Education and Rese 22773 4085 3057 378 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3951 264 30 VIASAT-SP-BACKBONE, US 20940 3892 3348 214 AKAMAI-ASN1, NL Complete listing at http://thyme.rand.apnic.net/current/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 8188 8131 CMNET-GD Guangdong Mobile Communication Co.Ltd. 12479 6861 6718 UNI2-AS, ES 7545 5839 5157 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4661 4587 ERX-CERNET-BKB China Education and Research Net 7155 3951 3921 VIASAT-SP-BACKBONE, US 11492 4672 3890 CABLEONE, US 22773 4085 3707 ASN-CXA-ALL-CCI-22773-RDC, US 20940 3892 3678 AKAMAI-ASN1, NL 7713 3507 3450 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID 6327 3371 3302 SHAW, CA Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 398418 UNALLOCATED 8.2.200.0/24 2914 NTT-COMMUNICATIONS-2914, US 46990 UNALLOCATED 8.5.242.0/23 3356 LEVEL3, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 18604 UNALLOCATED 8.25.204.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 174 COGENT-174, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 23061 UNALLOCATED 8.39.119.0/24 3356 LEVEL3, US 1782 UNALLOCATED 8.42.19.0/24 46887 LIGHTOWER, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US Complete listing at http://thyme.rand.apnic.net/current/data-badAS Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE, US Complete listing at http://thyme.rand.apnic.net/current/data-dsua Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.132.208.0/24 Origin: 7850 CITYLINKFIBER, US 23.132.208.0/24 Transit: 15164 UPNLLC, US 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 174 COGENT-174, US 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 Transit: 37204 TELONE, ZW 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 /8:16 /9:13 /10:41 /11:99 /12:300 /13:596 /14:1214 /15:2045 /16:13601 /17:8330 /18:14072 /19:25507 /20:42973 /21:50849 /22:107093 /23:93296 /24:506056 /25:1453 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5822 6861 UNI2-AS, ES 11492 3611 4672 CABLEONE, US 8151 3290 8902 Uninet S.A. de C.V., MX 6327 3179 3371 SHAW, CA 7155 3041 3951 VIASAT-SP-BACKBONE, US 22773 3014 4085 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2807 3271 ALJAWWALSTC-AS, SA 8551 2735 3270 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2238 2584 MEDIACOM-ENTERPRISE-BUSINESS, US 11830 1931 2498 Instituto Costarricense de Electricidad y Telec Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1921 2:1051 3:145 4:19 5:3658 6:85 7:5 8:1552 9:1 11:172 12:1715 13:400 14:2291 15:118 16:24 17:372 18:121 20:126 21:4 22:188 23:5235 24:2415 25:2 27:2517 29:19 31:2365 32:106 34:1 35:47 36:1730 37:3906 38:2322 39:608 40:151 41:3868 42:1039 43:2064 44:290 45:15532 46:3655 47:320 48:1 49:1674 50:1839 51:100 52:1294 54:279 55:735 56:4 57:55 58:1747 59:1177 60:932 61:2336 62:2317 63:1959 64:5370 65:2359 66:4929 67:2864 68:1165 69:4112 70:1355 71:678 72:3160 74:2627 75:1495 76:698 77:2042 78:1735 79:2569 80:1855 81:1515 82:1354 83:1165 84:1292 85:2823 86:716 87:1867 88:980 89:3067 90:505 91:7417 92:1834 93:2565 94:3132 95:3563 96:1297 97:347 98:977 99:953 100:75 101:1039 102:1724 103:27215 104:4052 105:436 106:804 107:2385 108:733 109:3915 110:2042 111:3122 112:1956 113:1406 114:1504 115:1937 116:1889 117:2344 118:2327 119:1884 120:1592 121:1088 122:2537 123:2166 124:1596 125:2049 128:1400 129:1159 130:903 131:2062 132:743 133:364 134:1889 135:319 136:787 137:858 138:2410 139:1202 140:833 141:1290 142:1197 143:1380 144:1274 145:326 146:1564 147:1466 148:2218 149:1500 150:834 151:1089 152:1660 153:434 154:3141 155:1370 156:1766 157:1188 158:995 159:2041 160:2345 161:1246 162:3351 163:1105 164:1649 165:1461 166:593 167:1661 168:3650 169:688 170:4334 171:783 172:2763 173:2975 174:1003 175:1124 176:3349 177:4544 178:2999 179:1922 180:2256 181:2688 182:3121 183:2013 184:2413 185:18952 186:4208 187:3206 188:3459 189:2910 190:8651 191:1313 192:10851 193:8401 194:6842 195:4874 196:2880 197:2165 198:6036 199:5924 200:7361 201:5491 202:10489 203:10031 204:4517 205:3380 206:3799 207:3369 208:3999 209:4738 210:4200 211:2429 212:3756 213:3382 214:1167 215:62 216:6370 217:2619 218:1224 219:648 220:1949 221:976 222:844 223:2078 End of report