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[routing-wg] Weekly Global IPv4 Routing Table Report
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Routing Table Analysis Role Account
cscora at apnic.net
Fri Mar 15 19:02:29 CET 2024
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 UKNOF, TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG and the RIPE Routing WG. Daily listings are sent to bgp-stats at lists.apnic.net. For historical data, please see https://thyme.apnic.net. If you have any comments please contact Philip Smith <pfsinoz at gmail.com>. IPv4 Routing Table Report 04:00 +10GMT Sat 16 Mar, 2024 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: 938832 Prefixes after maximum aggregation (per Origin AS): 359054 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 458136 Total ASes present in the Internet Routing Table: 75465 Prefixes per ASN: 12.44 Origin-only ASes present in the Internet Routing Table: 64728 Origin ASes announcing only one prefix: 26585 Transit ASes present in the Internet Routing Table: 10737 Transit-only ASes present in the Internet Routing Table: 488 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 55 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 1087 Number of instances of unregistered ASNs: 1089 Number of 32-bit ASNs allocated by the RIRs: 43832 Number of 32-bit ASNs visible in the Routing Table: 35997 Prefixes from 32-bit ASNs in the Routing Table: 182589 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: 569 Number of addresses announced to Internet: 3026729344 Equivalent to 180 /8s, 104 /16s and 57 /24s Percentage of available address space announced: 81.8 Percentage of allocated address space announced: 81.8 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 309574 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 248975 Total APNIC prefixes after maximum aggregation: 73037 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 241635 Unique aggregates announced from the APNIC address blocks: 99927 APNIC Region origin ASes present in the Internet Routing Table: 14046 APNIC Prefixes per ASN: 17.20 APNIC Region origin ASes announcing only one prefix: 4252 APNIC Region transit ASes present in the Internet Routing Table: 1882 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9417 Number of APNIC addresses announced to Internet: 760791168 Equivalent to 45 /8s, 88 /16s and 192 /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, 131072-153913 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: 274840 Total ARIN prefixes after maximum aggregation: 124033 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 279590 Unique aggregates announced from the ARIN address blocks: 132782 ARIN Region origin ASes present in the Internet Routing Table: 19110 ARIN Prefixes per ASN: 14.63 ARIN Region origin ASes announcing only one prefix: 6944 ARIN Region transit ASes present in the Internet Routing Table: 1982 Average ARIN Region AS path length visible: 3.7 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4859 Number of ARIN addresses announced to Internet: 1269831680 Equivalent to 75 /8s, 176 /16s and 24 /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: 263654 Total RIPE prefixes after maximum aggregation: 126198 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 258410 Unique aggregates announced from the RIPE address blocks: 162493 RIPE Region origin ASes present in the Internet Routing Table: 28583 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12134 RIPE Region transit ASes present in the Internet Routing Table: 3969 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11657 Number of RIPE addresses announced to Internet: 714437376 Equivalent to 42 /8s, 149 /16s and 115 /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 196608-216475 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: 120918 Total LACNIC prefixes after maximum aggregation: 28941 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 119318 Unique aggregates announced from the LACNIC address blocks: 49534 LACNIC Region origin ASes present in the Internet Routing Table: 11068 LACNIC Prefixes per ASN: 10.78 LACNIC Region origin ASes announcing only one prefix: 2621 LACNIC Region transit ASes present in the Internet Routing Table: 2378 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 55 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8928 Number of LACNIC addresses announced to Internet: 177196288 Equivalent to 10 /8s, 143 /16s and 205 /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: 29358 Total AfriNIC prefixes after maximum aggregation: 6123 AfriNIC Deaggregation factor: 4.79 Prefixes being announced from the AfriNIC address blocks: 39310 Unique aggregates announced from the AfriNIC address blocks: 12951 AfriNIC Region origin ASes present in the Internet Routing Table: 1761 AfriNIC Prefixes per ASN: 22.32 AfriNIC Region origin ASes announcing only one prefix: 634 AfriNIC Region transit ASes present in the Internet Routing Table: 342 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 30 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1136 Number of AfriNIC addresses announced to Internet: 104170240 Equivalent to 6 /8s, 53 /16s and 131 /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 9833 8740 57 CHINAMOBILE-CN China Mobile Communicati 7545 5654 777 672 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4932 4192 75 ERX-CERNET-BKB China Education and Rese 7552 3839 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3592 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3512 495 249 BBIL-AP BHARTI Airtel Ltd., IN 45899 3293 1872 98 VNPT-AS-VN VNPT Corp, VN 24560 2760 864 359 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2311 11259 574 KIXS-AS-KR Korea Telecom, KR 4755 2190 434 194 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 9748 11339 3362 AMAZON-02, US 11492 4587 304 634 CABLEONE, US 7155 4181 288 96 VIASAT-SP-BACKBONE, US 22773 3611 3063 302 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3597 1320 75 SHAW, CA 174 3346 6645 679 COGENT-174, US 16625 3210 1393 2290 AKAMAI-AS, US 749 3192 54919 2444 DNIC-AS-00749, US 367 2919 3632 1402 DNIC-ASBLK-00306-00371, US 396982 2758 3640 406 GOOGLE-CLOUD-PLATFORM, 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 7670 1714 147 UNI2-AS, ES 39891 4625 278 64 ALJAWWALSTC-AS, SA 20940 3876 3396 128 AKAMAI-ASN1, NL 9009 3248 282 1578 M247, RO 12389 2967 2303 901 ROSTELECOM-AS, RU 8551 2651 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2346 363 589 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1519 1852 14 TE-AS TE-AS, EG 44477 1492 98 712 STARK-INDUSTRIES, GB 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 12244 3324 498 UNINET, MX 10620 3525 496 891 Telmex Colombia S.A., CO 13999 2509 340 652 Mega Cable, S.A. de C.V., MX 11830 2000 369 64 Instituto Costarricense de Electricidad 28573 1343 2319 241 Claro NXT Telecomunicacoes Ltda, BR 3816 1311 787 198 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1195 348 491 Axtel, S.A.B. de C.V., MX 11664 1143 179 425 Techtel LMDS Comunicaciones Interactiva 6147 1089 369 22 Telefonica del Peru S.A.A., PE 22884 1068 114 377 TOTAL PLAY TELECOMUNICACIONES SA DE CV, 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 24835 1549 545 28 RAYA-AS, EG 24863 1504 389 20 LINKdotNET-AS, EG 36992 1369 1519 282 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 935 521 42 Vodafone-, EG 29571 633 58 180 ORANGE-COTE-IVOIRE, CI 6713 553 1861 34 IAM-AS, MA 15399 527 55 54 WANANCHI-, KE 36914 494 82 3 KENET-AS, KE 24757 428 73 5 EthioNet-AS, ET 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 12244 3324 498 UNINET, MX 9808 9833 8740 57 CHINAMOBILE-CN China Mobile Communicati 16509 9748 11339 3362 AMAZON-02, US 12479 7670 1714 147 UNI2-AS, ES 7545 5654 777 672 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4932 4192 75 ERX-CERNET-BKB China Education and Rese 39891 4625 278 64 ALJAWWALSTC-AS, SA 11492 4587 304 634 CABLEONE, US 7155 4181 288 96 VIASAT-SP-BACKBONE, US 20940 3876 3396 128 AKAMAI-ASN1, NL Complete listing at https://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9833 9776 CHINAMOBILE-CN China Mobile Communications Grou 12479 7670 7523 UNI2-AS, ES 16509 9748 6386 AMAZON-02, US 7545 5654 4982 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4932 4857 ERX-CERNET-BKB China Education and Research Net 39891 4625 4561 ALJAWWALSTC-AS, SA 7155 4181 4085 VIASAT-SP-BACKBONE, US 11492 4587 3953 CABLEONE, US 7552 3839 3819 VIETEL-AS-AP Viettel Group, VN 20940 3876 3748 AKAMAI-ASN1, NL 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 65536 DOCUMENT 5.102.30.0/24 65512 -Private Use AS-, ZZ 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US 396894 UNALLOCATED 8.28.201.0/24 46887 CROWNCASTLE-AS46887, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, 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 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 27.0.192.0/24 Origin: 138195 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR 27.0.192.0/24 Transit: 6939 HURRICANE, 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 /9:14 /10:37 /11:95 /12:296 /13:578 /14:1189 /15:2064 /16:13280 /17:8217 /18:13728 /19:24845 /20:44015 /21:51452 /22:110907 /23:98442 /24:568911 /25:746 /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 6783 7670 UNI2-AS, ES 8151 6300 12244 UNINET, MX 11492 3500 4587 CABLEONE, US 6327 3394 3597 SHAW, CA 39891 3311 4625 ALJAWWALSTC-AS, SA 7155 3125 4181 VIASAT-SP-BACKBONE, US 22773 2647 3611 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2163 2507 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2131 3525 Telmex Colombia S.A., CO 8551 2127 2651 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo Complete listing at https://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1635 2:1570 3:313 4:6 5:4423 6:162 7:6 8:1525 9:1 11:172 12:1467 13:381 14:2407 15:315 16:210 17:370 18:753 20:355 21:4 22:188 23:6629 24:2712 25:2 27:2577 29:19 31:2626 32:49 34:59 35:126 36:2194 37:4494 38:7384 39:894 40:125 41:3855 42:983 43:2340 44:314 45:16913 46:4377 47:297 49:1936 50:1908 51:572 52:1587 54:312 55:970 56:5 57:154 58:1879 59:1182 60:1024 61:2586 62:2700 63:1907 64:5522 65:2314 66:4716 67:3055 68:1329 69:4076 70:1198 71:572 72:2900 74:2591 75:1550 76:632 77:2411 78:1844 79:2476 80:2152 81:1936 82:1508 83:1284 84:1651 85:3101 86:826 87:2254 88:1235 89:4024 90:682 91:8004 92:2189 93:2637 94:3642 95:4099 96:1298 97:312 98:1044 99:741 100:92 101:1175 102:2983 103:32540 104:4770 105:553 106:921 107:2765 108:1134 109:4074 110:2144 111:3240 112:2071 113:1559 114:1784 115:1988 116:1894 117:2614 118:2382 119:1957 120:1812 121:1333 122:2695 123:2229 124:1607 125:2869 126:28 128:1502 129:869 130:1090 131:1812 132:814 133:410 134:1716 135:311 136:948 137:1052 138:2817 139:1569 140:1378 141:1362 142:1561 143:1486 144:1021 145:346 146:2017 147:1718 148:2491 149:2574 150:1092 151:1334 152:1978 153:524 154:5882 155:1377 156:2253 157:1606 158:1102 159:2243 160:2266 161:1638 162:3594 163:1714 164:1614 165:2103 166:1076 167:1765 168:3948 169:786 170:4712 171:1018 172:3817 173:3041 174:910 175:1216 176:3656 177:4507 178:3592 179:2239 180:2363 181:3661 182:3410 183:1806 184:2265 185:20643 186:4923 187:4421 188:4016 189:4096 190:9314 191:1457 192:11005 193:9043 194:7449 195:5258 196:3085 197:2561 198:6021 199:7496 200:7985 201:6201 202:10491 203:10164 204:4576 205:3752 206:4497 207:3540 208:4151 209:5049 210:4658 211:2569 212:4296 213:3393 214:1104 215:43 216:6769 217:2805 218:1362 219:580 220:2057 221:1030 222:875 223:2232 End of report
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