This is an automated weekly mailing describing the state of the 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 https://thyme.apnic.net. If you have any comments please contact Philip Smith <pfsinoz@gmail.com>. IPv4 Routing Table Report 04:00 +10GMT Sat 22 Jan, 2022 BGP Table (Global) as seen in Japan. Report Website: https://thyme.apnic.net Detailed Analysis: https://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 885752 Prefixes after maximum aggregation (per Origin AS): 333488 Deaggregation factor: 2.66 Unique aggregates announced (without unneeded subnets): 426024 Total ASes present in the Internet Routing Table: 72653 Prefixes per ASN: 12.19 Origin-only ASes present in the Internet Routing Table: 62334 Origin ASes announcing only one prefix: 25693 Transit ASes present in the Internet Routing Table: 10319 Transit-only ASes present in the Internet Routing Table: 372 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 53 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 939 Number of instances of unregistered ASNs: 942 Number of 32-bit ASNs allocated by the RIRs: 38352 Number of 32-bit ASNs visible in the Routing Table: 31906 Prefixes from 32-bit ASNs in the Routing Table: 148241 Number of bogon 32-bit ASNs visible in the Routing Table: 19 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 561 Number of addresses announced to Internet: 3068458368 Equivalent to 182 /8s, 228 /16s and 245 /24s Percentage of available address space announced: 82.9 Percentage of allocated address space announced: 82.9 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: 299794 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 232989 Total APNIC prefixes after maximum aggregation: 65532 APNIC Deaggregation factor: 3.56 Prefixes being announced from the APNIC address blocks: 227780 Unique aggregates announced from the APNIC address blocks: 93796 APNIC Region origin ASes present in the Internet Routing Table: 12276 APNIC Prefixes per ASN: 18.55 APNIC Region origin ASes announcing only one prefix: 3498 APNIC Region transit ASes present in the Internet Routing Table: 1713 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 29 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7464 Number of APNIC addresses announced to Internet: 773643392 Equivalent to 46 /8s, 28 /16s and 220 /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: 257662 Total ARIN prefixes after maximum aggregation: 118661 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 257658 Unique aggregates announced from the ARIN address blocks: 123069 ARIN Region origin ASes present in the Internet Routing Table: 18939 ARIN Prefixes per ASN: 13.60 ARIN Region origin ASes announcing only one prefix: 6859 ARIN Region transit ASes present in the Internet Routing Table: 1951 Average ARIN Region AS path length visible: 3.8 Max ARIN Region AS path length visible: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4303 Number of ARIN addresses announced to Internet: 1296416768 Equivalent to 77 /8s, 69 /16s and 192 /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: 252589 Total RIPE prefixes after maximum aggregation: 115973 RIPE Deaggregation factor: 2.18 Prefixes being announced from the RIPE address blocks: 248974 Unique aggregates announced from the RIPE address blocks: 148374 RIPE Region origin ASes present in the Internet Routing Table: 28166 RIPE Prefixes per ASN: 8.84 RIPE Region origin ASes announcing only one prefix: 12127 RIPE Region transit ASes present in the Internet Routing Table: 3965 Average RIPE Region AS path length visible: 4.3 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10610 Number of RIPE addresses announced to Internet: 713475712 Equivalent to 42 /8s, 134 /16s and 198 /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: 114174 Total LACNIC prefixes after maximum aggregation: 27291 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 114934 Unique aggregates announced from the LACNIC address blocks: 48424 LACNIC Region origin ASes present in the Internet Routing Table: 10923 LACNIC Prefixes per ASN: 10.52 LACNIC Region origin ASes announcing only one prefix: 2660 LACNIC Region transit ASes present in the Internet Routing Table: 2212 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 53 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8611 Number of LACNIC addresses announced to Internet: 176355712 Equivalent to 10 /8s, 130 /16s and 249 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + 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: 27399 Total AfriNIC prefixes after maximum aggregation: 5334 AfriNIC Deaggregation factor: 5.14 Prefixes being announced from the AfriNIC address blocks: 35845 Unique aggregates announced from the AfriNIC address blocks: 11861 AfriNIC Region origin ASes present in the Internet Routing Table: 1583 AfriNIC Prefixes per ASN: 22.64 AfriNIC Region origin ASes announcing only one prefix: 549 AfriNIC Region transit ASes present in the Internet Routing Table: 309 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 34 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 918 Number of AfriNIC addresses announced to Internet: 108216320 Equivalent to 6 /8s, 115 /16s and 64 /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 8999 8919 50 CHINAMOBILE-CN China Mobile Communicati 7545 5847 787 681 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4693 4192 74 ERX-CERNET-BKB China Education and Rese 7552 3611 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3490 1038 51 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3435 1880 57 VNPT-AS-VN VNPT Corp, VN 4766 2522 11120 603 KIXS-AS-KR Korea Telecom, KR 9498 2250 475 232 BBIL-AP BHARTI Airtel Ltd., IN 45090 2170 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2120 429 199 TATACOMM-AS TATA Communications formerl Complete listing at https://thyme.apnic.net/current/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 6131 10140 2618 AMAZON-02, US 11492 4600 305 763 CABLEONE, US 22773 3985 3028 366 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3951 264 30 VIASAT-SP-BACKBONE, US 16625 3665 1892 2564 AKAMAI-AS, US 6327 3352 1318 63 SHAW, CA 749 2888 50784 2144 DNIC-AS-00749, US 30036 2611 374 129 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2507 4978 430 CENTURYLINK-US-LEGACY-QWEST, US 20115 2247 3035 507 CHARTER-20115, US Complete listing at https://thyme.apnic.net/current/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 6817 1718 153 UNI2-AS, ES 9121 6733 1692 17 TTNET, TR 20940 3883 3348 210 AKAMAI-ASN1, NL 8551 3775 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3274 188 25 ALJAWWALSTC-AS, SA 12389 2956 2286 904 ROSTELECOM-AS, RU 9009 2501 257 1303 M247, GB 34984 2216 357 602 TELLCOM-AS, TR 47331 1965 314 1496 TTNET, TR 58224 1781 926 588 TCI, IR Complete listing at https://thyme.apnic.net/current/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 10672 3408 575 Uninet S.A. de C.V., MX 10620 3445 519 717 Telmex Colombia S.A., CO 11830 2458 369 62 Instituto Costarricense de Electricidad 13999 1642 283 465 Mega Cable, S.A. de C.V., MX 6503 1440 354 524 Axtel, S.A.B. de C.V., MX 28573 1394 2326 254 CLARO S.A., BR 3816 1245 658 146 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 26615 1147 2350 139 TIM SA, BR 6147 1092 369 21 Telefonica del Peru S.A.A., PE 11664 1000 191 446 Techtel LMDS Comunicaciones Interactiva Complete listing at https://thyme.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 1546 515 32 RAYA-AS, EG 36992 1299 1518 262 ETISALAT-MISR, EG 36903 1195 543 114 MT-MPLS, MA 29571 875 63 60 ORANGE-COTE-IVOIRE, CI 36935 716 521 39 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 519 50 33 WANANCHI-, KE 37342 468 32 1 MOVITEL, MZ 23889 428 232 16 MauritiusTelecom, MU Complete listing at https://thyme.apnic.net/current/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 10672 3408 575 Uninet S.A. de C.V., MX 9808 8999 8919 50 CHINAMOBILE-CN China Mobile Communicati 12479 6817 1718 153 UNI2-AS, ES 9121 6733 1692 17 TTNET, TR 16509 6131 10140 2618 AMAZON-02, US 7545 5847 787 681 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4693 4192 74 ERX-CERNET-BKB China Education and Rese 11492 4600 305 763 CABLEONE, US 22773 3985 3028 366 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3951 264 30 VIASAT-SP-BACKBONE, US Complete listing at https://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 8999 8949 CHINAMOBILE-CN China Mobile Communications Grou 9121 6733 6716 TTNET, TR 12479 6817 6664 UNI2-AS, ES 7545 5847 5166 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4693 4619 ERX-CERNET-BKB China Education and Research Net 7155 3951 3921 VIASAT-SP-BACKBONE, US 11492 4600 3837 CABLEONE, US 8551 3775 3736 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 3883 3673 AKAMAI-ASN1, NL 22773 3985 3619 ASN-CXA-ALL-CCI-22773-RDC, US Complete listing at https://thyme.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 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 32848 UNALLOCATED 8.28.72.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 1782 UNALLOCATED 8.42.19.0/24 46887 LIGHTOWER, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 395056 UNALLOCATED 8.45.133.0/24 3356 LEVEL3, US Complete listing at https://thyme.apnic.net/current/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE, US Complete listing at https://thyme.apnic.net/current/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.154.18.0/24 Origin: 394625 WHITELABELIT, US 23.154.18.0/24 Transit: 6939 HURRICANE, US 23.252.160.0/24 Origin: 398968 GROUP-IID-01, US 23.252.160.0/24 Transit: 174 COGENT-174, US 23.252.161.0/24 Origin: 398968 GROUP-IID-01, US 23.252.161.0/24 Transit: 174 COGENT-174, US 23.252.162.0/24 Origin: 398968 GROUP-IID-01, US 23.252.162.0/24 Transit: 174 COGENT-174, US Complete listing at https://thyme.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 /10:40 /11:102 /12:305 /13:591 /14:1208 /15:2033 /16:13575 /17:8335 /18:13854 /19:25112 /20:43196 /21:51868 /22:108291 /23:95166 /24:521260 /25:787 /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 9121 5907 6733 TTNET, TR 12479 5767 6817 UNI2-AS, ES 8151 4514 10672 Uninet S.A. de C.V., MX 11492 3534 4600 CABLEONE, US 8551 3240 3775 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3163 3352 SHAW, CA 7155 3041 3951 VIASAT-SP-BACKBONE, US 22773 2978 3985 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2810 3274 ALJAWWALSTC-AS, SA 30036 2266 2611 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1907 2:994 3:153 4:7 5:3714 6:102 7:5 8:1552 9:1 11:172 12:1706 13:410 14:2368 15:147 16:39 17:376 18:130 20:167 21:4 22:188 23:5401 24:2369 25:2 27:2595 29:19 31:2403 32:102 34:1 35:50 36:1734 37:3941 38:2499 39:735 40:149 41:3900 42:1040 43:2096 44:294 45:15966 46:3851 47:304 49:1634 50:1903 51:105 52:1343 54:294 55:734 56:8 57:55 58:1769 59:1135 60:954 61:2264 62:2422 63:1941 64:5384 65:2319 66:4910 67:2921 68:1182 69:4173 70:1347 71:677 72:3075 74:2630 75:1516 76:713 77:2158 78:3812 79:2872 80:1917 81:1661 82:1452 83:1202 84:1326 85:3558 86:706 87:1880 88:2621 89:3138 90:500 91:7497 92:1903 93:2588 94:3256 95:4497 96:1314 97:345 98:993 99:864 100:75 101:1049 102:1902 103:28045 104:4116 105:461 106:845 107:2426 108:753 109:4183 110:2049 111:3207 112:1963 113:1535 114:1526 115:1955 116:1893 117:2504 118:2322 119:1846 120:1670 121:1027 122:2542 123:2114 124:1587 125:2067 128:1362 129:1173 130:917 131:2073 132:757 133:368 134:1934 135:287 136:851 137:857 138:2454 139:1209 140:868 141:1341 142:1249 143:1439 144:1235 145:336 146:1757 147:1472 148:2215 149:1665 150:853 151:1083 152:1802 153:446 154:3668 155:1369 156:1861 157:1212 158:1007 159:2017 160:2389 161:1268 162:3414 163:1204 164:1664 165:1532 166:620 167:1684 168:3674 169:679 170:4303 171:825 172:2991 173:3044 174:1016 175:1128 176:3473 177:4577 178:3014 179:1988 180:2281 181:2866 182:3226 183:1936 184:2417 185:19200 186:4303 187:3547 188:3783 189:3219 190:8841 191:1308 192:10984 193:8507 194:6925 195:4968 196:2916 197:2360 198:5979 199:5994 200:7468 201:5724 202:10420 203:10011 204:4534 205:3366 206:3841 207:3379 208:3996 209:4600 210:4231 211:2457 212:3929 213:3374 214:1147 215:64 216:6386 217:2625 218:1228 219:577 220:1960 221:989 222:876 223:2171 End of report