[routing-wg] Weekly Global IPv4 Routing Table Report

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@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 01 Jun, 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: 954107 Prefixes after maximum aggregation (per Origin AS): 362175 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 463323 Total ASes present in the Internet Routing Table: 75895 Prefixes per ASN: 12.57 Origin-only ASes present in the Internet Routing Table: 65044 Origin ASes announcing only one prefix: 26737 Transit ASes present in the Internet Routing Table: 10851 Transit-only ASes present in the Internet Routing Table: 531 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 60 Max AS path prepend of ASN ( 53153) 57 Prefixes from unregistered ASNs in the Routing Table: 1002 Number of instances of unregistered ASNs: 1004 Number of 32-bit ASNs allocated by the RIRs: 44617 Number of 32-bit ASNs visible in the Routing Table: 36520 Prefixes from 32-bit ASNs in the Routing Table: 187339 Number of bogon 32-bit ASNs visible in the Routing Table: 14 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 603 Number of addresses announced to Internet: 3028032640 Equivalent to 180 /8s, 124 /16s and 28 /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: 314048 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 255243 Total APNIC prefixes after maximum aggregation: 74101 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 247269 Unique aggregates announced from the APNIC address blocks: 101155 APNIC Region origin ASes present in the Internet Routing Table: 14184 APNIC Prefixes per ASN: 17.43 APNIC Region origin ASes announcing only one prefix: 4326 APNIC Region transit ASes present in the Internet Routing Table: 1902 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: 9575 Number of APNIC addresses announced to Internet: 761652864 Equivalent to 45 /8s, 101 /16s and 230 /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: 277054 Total ARIN prefixes after maximum aggregation: 125032 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 281859 Unique aggregates announced from the ARIN address blocks: 133926 ARIN Region origin ASes present in the Internet Routing Table: 19159 ARIN Prefixes per ASN: 14.71 ARIN Region origin ASes announcing only one prefix: 6964 ARIN Region transit ASes present in the Internet Routing Table: 1989 Average ARIN Region AS path length visible: 3.7 Max ARIN Region AS path length visible: 27 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4918 Number of ARIN addresses announced to Internet: 1268000512 Equivalent to 75 /8s, 148 /16s and 39 /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, 393216-402332 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: 267369 Total RIPE prefixes after maximum aggregation: 127457 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 261907 Unique aggregates announced from the RIPE address blocks: 164539 RIPE Region origin ASes present in the Internet Routing Table: 28688 RIPE Prefixes per ASN: 9.13 RIPE Region origin ASes announcing only one prefix: 12153 RIPE Region transit ASes present in the Internet Routing Table: 3979 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 46 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11838 Number of RIPE addresses announced to Internet: 714110720 Equivalent to 42 /8s, 144 /16s and 119 /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: 122002 Total LACNIC prefixes after maximum aggregation: 28757 LACNIC Deaggregation factor: 4.24 Prefixes being announced from the LACNIC address blocks: 120216 Unique aggregates announced from the LACNIC address blocks: 50043 LACNIC Region origin ASes present in the Internet Routing Table: 11095 LACNIC Prefixes per ASN: 10.84 LACNIC Region origin ASes announcing only one prefix: 2637 LACNIC Region transit ASes present in the Internet Routing Table: 2412 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 60 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8987 Number of LACNIC addresses announced to Internet: 176664320 Equivalent to 10 /8s, 135 /16s and 175 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 31437 Total AfriNIC prefixes after maximum aggregation: 6167 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 42253 Unique aggregates announced from the AfriNIC address blocks: 13207 AfriNIC Region origin ASes present in the Internet Routing Table: 1837 AfriNIC Prefixes per ASN: 23.00 AfriNIC Region origin ASes announcing only one prefix: 657 AfriNIC Region transit ASes present in the Internet Routing Table: 358 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 29 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1202 Number of AfriNIC addresses announced to Internet: 107282688 Equivalent to 6 /8s, 101 /16s and 1 /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 9839 8743 69 CHINAMOBILE-CN China Mobile Communicati 7545 5633 776 668 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4932 4192 74 ERX-CERNET-BKB China Education and Rese 18403 4393 347 24 FPT-AS-AP FPT Telecom Company, VN 7552 3931 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3758 509 261 BBIL-AP BHARTI Airtel Ltd., IN 7713 3620 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3276 1857 103 VNPT-AS-VN VNPT Corp, VN 24560 2795 863 374 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2294 11523 575 KIXS-AS-KR Korea Telecom, KR 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 9968 11390 3527 AMAZON-02, US 11492 4617 306 592 CABLEONE, US 7155 4167 287 89 VIASAT-SP-BACKBONE, US 6327 3594 1320 79 SHAW, CA 22773 3475 3039 228 ASN-CXA-ALL-CCI-22773-RDC, US 174 3427 8783 880 COGENT-174, US 749 3222 54904 2474 DNIC-AS-00749, US 16625 3103 1338 2226 AKAMAI-AS, US 7018 2850 23664 1803 ATT-INTERNET4, US 367 2773 3370 1297 DNIC-ASBLK-00306-00371, 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 7760 1708 145 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3832 3396 133 AKAMAI-ASN1, NL 9009 3513 300 1755 M247, RO 12389 2990 2304 901 ROSTELECOM-AS, RU 8551 2648 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2343 362 581 TELLCOM-AS, TR 212238 1694 124 1231 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1579 1852 14 TE-AS TE-AS, EG 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 12149 3319 500 UNINET, MX 10620 3512 492 940 Telmex Colombia S.A., CO 13999 2547 355 666 Mega Cable, S.A. de C.V., MX 11830 1999 369 64 Instituto Costarricense de Electricidad 28573 1346 2311 255 Claro NXT Telecomunicacoes Ltda, BR 3816 1322 784 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1240 278 33 Techtel LMDS Comunicaciones Interactiva 6503 1128 315 480 Axtel, S.A.B. de C.V., MX 6147 1088 369 22 Telefonica del Peru S.A.A., PE 26615 1076 2503 53 TIM SA, BR 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 1569 577 29 RAYA-AS, EG 24863 1494 389 20 LINKdotNET-AS, EG 36992 1376 1520 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1219 77 58 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 556 1861 35 IAM-AS, MA 15399 534 56 56 WANANCHI-, KE 36914 479 82 3 KENET-AS, KE 37342 467 32 1 MOVITEL, MZ 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 12149 3319 500 UNINET, MX 16509 9968 11390 3527 AMAZON-02, US 9808 9839 8743 69 CHINAMOBILE-CN China Mobile Communicati 12479 7760 1708 145 UNI2-AS, ES 7545 5633 776 668 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4932 4192 74 ERX-CERNET-BKB China Education and Rese 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4617 306 592 CABLEONE, US 18403 4393 347 24 FPT-AS-AP FPT Telecom Company, VN 7155 4167 287 89 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 9839 9770 CHINAMOBILE-CN China Mobile Communications Grou 12479 7760 7615 UNI2-AS, ES 16509 9968 6441 AMAZON-02, US 7545 5633 4965 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4932 4858 ERX-CERNET-BKB China Education and Research Net 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4393 4369 FPT-AS-AP FPT Telecom Company, VN 7155 4167 4078 VIASAT-SP-BACKBONE, US 11492 4617 4025 CABLEONE, US 7552 3931 3910 VIETEL-AS-AP Viettel Group, VN 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 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 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, 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 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 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 6939 HURRICANE, US 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 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 27.0.192.0/22 Origin: 138415 YANCYLIMITED-AS-HK Yancy Limited, HK 27.0.192.0/22 Transit: 51847 NEAROUTE, HK 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 /11:93 /12:298 /13:577 /14:1169 /15:2057 /16:13273 /17:8266 /18:13765 /19:24726 /20:44291 /21:51767 /22:111633 /23:99578 /24:581817 /25:730 /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 6854 7760 UNI2-AS, ES 8151 6210 12149 UNINET, MX 11492 3529 4617 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3390 3594 SHAW, CA 7155 3111 4167 VIASAT-SP-BACKBONE, US 22773 2576 3475 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2178 2520 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2141 3512 Telmex Colombia S.A., CO 8551 2124 2648 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) ---------------------------------------------- 1:2330 2:1525 3:343 4:6 5:4557 6:162 7:6 8:1517 9:1 11:172 12:1461 13:362 14:2400 15:319 16:217 17:369 18:770 20:385 21:4 22:188 23:6861 24:2717 25:2 27:2545 29:19 31:2587 32:48 34:63 35:135 36:2299 37:4491 38:7590 39:896 40:122 41:4100 42:2122 43:2368 44:320 45:17104 46:4515 47:306 49:1969 50:1912 51:577 52:1585 54:314 55:986 56:7 57:180 58:2155 59:1257 60:1032 61:2601 62:2720 63:1884 64:5506 65:2348 66:4669 67:2995 68:1313 69:4080 70:1179 71:581 72:2877 74:2594 75:1551 76:624 77:2473 78:1860 79:2526 80:2187 81:2018 82:1642 83:1353 84:1674 85:3179 86:912 87:2293 88:1249 89:4118 90:687 91:8131 92:2316 93:2710 94:3748 95:4199 96:1278 97:315 98:1032 99:739 100:73 101:1177 102:3456 103:32492 104:4785 105:679 106:959 107:2751 108:1152 109:4199 110:2139 111:3263 112:2067 113:1800 114:1814 115:2080 116:1902 117:2653 118:2824 119:1986 120:1803 121:1348 122:2699 123:2241 124:1634 125:2881 126:32 128:1460 129:933 130:1155 131:1836 132:810 133:412 134:1741 135:322 136:1118 137:1072 138:2831 139:1534 140:1364 141:1341 142:1646 143:1552 144:1012 145:364 146:2065 147:1961 148:2515 149:2762 150:1038 151:1340 152:2204 153:525 154:6759 155:1458 156:2298 157:1821 158:1149 159:2327 160:2671 161:1698 162:3560 163:1713 164:1650 165:2154 166:1255 167:1795 168:3989 169:810 170:4914 171:1041 172:3866 173:3051 174:895 175:1222 176:3688 177:4861 178:3701 179:2284 180:2362 181:3749 182:3386 183:2000 184:2259 185:20826 186:5025 187:4588 188:4072 189:4189 190:9445 191:1697 192:11051 193:9129 194:7516 195:5320 196:3172 197:2601 198:6070 199:7891 200:8033 201:6240 202:10489 203:10191 204:4599 205:3668 206:4499 207:3602 208:4162 209:5065 210:4651 211:2621 212:4283 213:3482 214:1071 215:49 216:6790 217:3005 218:1340 219:580 220:2042 221:1034 222:858 223:2244 End of report