This is an automated weekly mailing describing the state of the IPv4 Research & Education Routing Table received by NSRC's collector from RENU's network. Daily listings are sent to ren-bgp-stats-all@lists.nsrc.org. For historical data, please see https://bgp.nsrc.org. If you have any comments please contact Philip Smith . IPv4 R&E Routing Table Report 18:35 GMT Sat 09 Nov, 2024 IPv4 BGP Table (Global) as seen at RENU. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/RENU/ Analysis Summary ---------------- BGP routing table entries examined: 979166 Prefixes after maximum aggregation (per Origin AS): 367141 Deaggregation factor: 2.67 Unique aggregates announced (without unneeded subnets): 469702 Number of IPv4 prefixes with a valid ROA: 518860 Number of IPv4 prefixes with an invalid ROA: 907 Number of IPv4 prefixes with no ROA: 459399 Total ASes present in the Internet Routing Table: 76337 Prefixes per ASN: 12.83 Origin-only ASes present in the Internet Routing Table: 65694 Origin ASes announcing only one prefix: 26455 Transit ASes present in the Internet Routing Table: 10643 Transit-only ASes present in the Internet Routing Table: 508 Paths with bogon ASNs present in the IPv4 Routing Table: 132 Average AS path length visible in the Internet Routing Table: 7.2 Max AS path length visible: 75 Max AS path prepend of ASN ( 37447) 73 Prefixes from unregistered ASNs in the Routing Table: 1122 Number of instances of unregistered ASNs: 1133 Number of 32-bit ASNs allocated by the RIRs: 45822 Number of 32-bit ASNs visible in the Routing Table: 37357 Prefixes from 32-bit ASNs in the Routing Table: 200013 Number of bogon 32-bit ASNs visible in the Routing Table: 69 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 133 Number of addresses announced to Internet: 3027374848 Equivalent to 180 /8s, 114 /16s and 19 /24s Percentage of available address space announced: 81.8 Percentage of allocated address space announced: 63.5 Percentage of available address space allocated: 128.7 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 695609 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 254087 Total APNIC prefixes after maximum aggregation: 75020 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 13037 Unique aggregates announced from the APNIC address blocks: 8552 APNIC Region origin ASes present in the Internet Routing Table: 14371 APNIC Prefixes per ASN: 0.91 APNIC Region origin ASes announcing only one prefix: 4400 APNIC Region transit ASes present in the Internet Routing Table: 1885 Average APNIC Region AS path length visible: 7.4 Max APNIC Region AS path length visible: 42 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9845 Number of APNIC addresses announced to Internet: 32026880 Equivalent to 1 /8s, 232 /16s and 177 /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 43/8, 45/8, 146/8, 150/8, 160/8, 163/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 285417 Total ARIN prefixes after maximum aggregation: 126227 ARIN Deaggregation factor: 2.26 Prefixes being announced from the ARIN address blocks: 88468 Unique aggregates announced from the ARIN address blocks: 52764 ARIN Region origin ASes present in the Internet Routing Table: 19168 ARIN Prefixes per ASN: 4.62 ARIN Region origin ASes announcing only one prefix: 6977 ARIN Region transit ASes present in the Internet Routing Table: 1926 Average ARIN Region AS path length visible: 6.9 Max ARIN Region AS path length visible: 27 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5051 Number of ARIN addresses announced to Internet: 185312768 Equivalent to 11 /8s, 11 /16s and 166 /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 66/8, 139/8, 144/8, 149/8, 162/8, 192/8, 198/8, 199/8, 204/8, 205/8, 207/8, 208/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 271472 Total RIPE prefixes after maximum aggregation: 129985 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 18267 Unique aggregates announced from the RIPE address blocks: 14826 RIPE Region origin ASes present in the Internet Routing Table: 28821 RIPE Prefixes per ASN: 0.63 RIPE Region origin ASes announcing only one prefix: 12111 RIPE Region transit ASes present in the Internet Routing Table: 3868 Average RIPE Region AS path length visible: 6.9 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12114 Number of RIPE addresses announced to Internet: 32686336 Equivalent to 1 /8s, 242 /16s and 193 /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 152/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 131497 Total LACNIC prefixes after maximum aggregation: 28644 LACNIC Deaggregation factor: 4.59 Prefixes being announced from the LACNIC address blocks: 15535 Unique aggregates announced from the LACNIC address blocks: 7146 LACNIC Region origin ASes present in the Internet Routing Table: 11167 LACNIC Prefixes per ASN: 1.39 LACNIC Region origin ASes announcing only one prefix: 2312 LACNIC Region transit ASes present in the Internet Routing Table: 2439 Average LACNIC Region AS path length visible: 7.7 Max LACNIC Region AS path length visible: 58 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9077 Number of LACNIC addresses announced to Internet: 9205248 Equivalent to 0 /8s, 140 /16s and 118 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + ERX transfers LACNIC Address Blocks 128/8, 216/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 35571 Total AfriNIC prefixes after maximum aggregation: 6587 AfriNIC Deaggregation factor: 5.40 Prefixes being announced from the AfriNIC address blocks: 4313 Unique aggregates announced from the AfriNIC address blocks: 2145 AfriNIC Region origin ASes present in the Internet Routing Table: 1910 AfriNIC Prefixes per ASN: 2.26 AfriNIC Region origin ASes announcing only one prefix: 655 AfriNIC Region transit ASes present in the Internet Routing Table: 362 Average AfriNIC Region AS path length visible: 6.7 Max AfriNIC Region AS path length visible: 75 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1270 Number of AfriNIC addresses announced to Internet: 7715328 Equivalent to 0 /8s, 117 /16s and 186 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 161/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 9808 10078 8752 83 CHINAMOBILE-CN China Mobile Communication 7545 6050 841 655 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4279 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3910 1331 25 VIETEL-AS-AP Viettel Group, VN 9498 3856 512 269 BBIL-AP BHARTI Airtel Ltd., IN 7713 3654 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3253 1869 102 VNPT-AS-VN VNPT Corp, VN 24560 2787 831 543 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2208 434 191 TATACOMM-AS TATA Communications formerly 45090 2170 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 10970 12017 3860 AMAZON-02, US 174 6407 8758 825 COGENT-174, US 11492 4656 309 560 CABLEONE, US 7155 4163 287 85 VIASAT-SP-BACKBONE, US 6327 3605 1320 79 SHAW, CA 22773 3408 3035 185 ASN-CXA-ALL-CCI-22773-RDC, US 749 3262 54895 2509 DNIC-AS-00749, US 7018 3196 23668 2020 ATT-INTERNET4, US 16625 2901 1271 2148 AKAMAI-AS, US 396982 2867 3654 419 GOOGLE-CLOUD-PLATFORM, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7636 1709 143 UNI2-AS, ES 39891 4720 289 58 ALJAWWALSTC-AS, SA 20940 3943 3395 128 AKAMAI-ASN1, NL 9009 3675 317 1865 M247, RO 12389 2943 2295 880 ROSTELECOM-AS, RU 34984 2342 359 579 TELLCOM-AS, TR 212238 1849 136 1366 CDNEXT, GB 13188 1606 100 30 TRIOLAN, UA 8452 1596 1852 14 TE-AS TE-AS, EG 8551 1470 366 32 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 11495 3217 611 UNINET, MX 10620 3542 494 942 Telmex Colombia S.A., CO 13999 2540 532 360 Mega Cable, S.A. de C.V., MX 11830 1999 369 64 Instituto Costarricense de Electricidad y 28573 1358 2310 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1325 782 200 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1155 374 163 Axtel, S.A.B. de C.V., MX 11664 1150 278 33 Techtel LMDS Comunicaciones Interactivas 28202 1126 52 9 Rede Brasileira de Comunicacao SA, BR 6147 1117 371 22 Telefonica del Peru S.A.A., PE Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24835 1659 593 29 RAYA-AS, EG 24863 1645 389 16 LINKdotNET-AS, EG 36992 1422 1519 283 ETISALAT-MISR, EG 29571 1379 87 61 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 20011 1099 177 287 INTERNET-SOLUTIONS, ZA 36935 1014 523 45 Vodafone-, EG 37069 591 1099 13 MOBINIL, EG 6713 555 1861 35 IAM-AS, MA 36914 552 82 3 KENET-AS, KE Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 11495 3217 611 UNINET, MX 16509 10970 12017 3860 AMAZON-02, US 9808 10078 8752 83 CHINAMOBILE-CN China Mobile Communication 12479 7636 1709 143 UNI2-AS, ES 174 6407 8758 825 COGENT-174, US 7545 6050 841 655 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4720 289 58 ALJAWWALSTC-AS, SA 11492 4656 309 560 CABLEONE, US 18403 4279 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4163 287 85 VIASAT-SP-BACKBONE, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 10078 9995 CHINAMOBILE-CN China Mobile Communications Grou 12479 7636 7493 UNI2-AS, ES 16509 10970 7110 AMAZON-02, US 174 6407 5582 COGENT-174, US 7545 6050 5395 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4720 4662 ALJAWWALSTC-AS, SA 18403 4279 4256 FPT-AS-AP FPT Telecom Company, VN 11492 4656 4096 CABLEONE, US 7155 4163 4078 VIASAT-SP-BACKBONE, US 7552 3910 3885 VIETEL-AS-AP Viettel Group, VN Complete listing at https://bgp.nsrc.org/REN/RENU/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 65538 DOCUMENT 2.135.152.0/22 9198 KAZTELECOM-AS, KZ 46559 UNALLOCATED 8.3.52.0/23 3257 GTT-BACKBONE GTT, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D 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 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US Complete listing at https://bgp.nsrc.org/REN/RENU/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://bgp.nsrc.org/REN/RENU/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 43.250.235.0/24 Origin: 133948 DIL-AS-AP DONGFONG INC LIMITED, HK 43.250.235.0/24 Transit: 4637 ASN-TELSTRA-GLOBAL Telstra Global, HK 45.42.0.0/22 Origin: 16929 RESERVED, ZZ 45.42.0.0/22 Transit: 393275 VINGN-VIRGIN-ISLANDS-NEXT-GENERATION-NET 45.42.180.0/24 Origin: 31898 ORACLE-BMC-31898, US 45.42.180.0/24 Transit: 6939 HURRICANE, US 45.250.172.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 45.250.172.0/22 Transit: 6939 HURRICANE, US 66.111.56.0/23 Origin: 393476 RESERVED, ZZ 66.111.56.0/23 Transit: 53828 NITEL, US Complete listing at https://bgp.nsrc.org/REN/RENU/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 /9:16 /10:36 /11:91 /12:295 /13:578 /14:1187 /15:2104 /16:13230 /17:8285 /18:13853 /19:24495 /20:44310 /21:52489 /22:113160 /23:103729 /24:601292 /25:0 /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 16509 10050 10970 AMAZON-02, US 8151 8866 11495 UNINET, MX 9808 8058 10078 CHINAMOBILE-CN China Mobile Communications Group Co., Ltd., CN 12479 7321 7636 UNI2-AS, ES 174 5137 6407 COGENT-174, US 39891 4649 4720 ALJAWWALSTC-AS, SA 18403 4192 4279 FPT-AS-AP FPT Telecom Company, VN 7545 3902 6050 TPG-INTERNET-AP TPG Telecom Limited, AU 20940 3889 3943 AKAMAI-ASN1, NL 11492 3842 4656 CABLEONE, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2276 2:1557 3:513 4:8 5:4811 6:168 7:6 8:1496 9:1 11:172 12:1421 13:355 14:2456 15:332 16:267 17:359 18:903 20:449 21:4 22:188 23:7006 24:2691 25:2 27:2669 29:19 31:3026 32:53 34:74 35:144 36:2368 37:4459 38:10138 39:925 40:153 41:4283 42:2023 43:2482 44:339 45:18480 46:4769 47:298 49:2027 50:1849 51:582 52:1578 54:316 55:902 56:8 57:234 58:2178 59:1210 60:1149 61:2801 62:2893 63:1855 64:5411 65:2291 66:4699 67:3046 68:1319 69:4039 70:1128 71:581 72:2928 74:2815 75:1635 76:633 77:2614 78:1884 79:1662 80:2209 81:2061 82:1806 83:1387 84:1775 85:3136 86:969 87:2426 88:1269 89:4406 90:696 91:8331 92:2602 93:2817 94:3843 95:4280 96:1250 97:314 98:1071 99:740 100:72 101:1413 102:3844 103:32356 104:4445 105:1085 106:984 107:2400 108:1178 109:4101 110:2223 111:3269 112:2050 113:1788 114:1930 115:2183 116:1985 117:2700 118:2765 119:1988 120:1874 121:1357 122:2725 123:2174 124:1591 125:2831 126:62 128:1408 129:1020 130:1286 131:1970 132:824 133:446 134:1597 135:355 136:1265 137:1102 138:3068 139:1538 140:1486 141:1460 142:1819 143:1615 144:1023 145:407 146:2116 147:2052 148:2574 149:2891 150:1126 151:1457 152:2128 153:568 154:7394 155:1565 156:2831 157:1853 158:1219 159:2429 160:3375 161:1768 162:3589 163:1766 164:1962 165:2151 166:1335 167:1865 168:4253 169:789 170:5218 171:996 172:3944 173:3168 174:916 175:1272 176:3527 177:5558 178:3734 179:2453 180:2515 181:4064 182:3336 183:2007 184:2278 185:21399 186:5370 187:4610 188:4250 189:4310 190:9828 191:1989 192:11190 193:9292 194:7667 195:5477 196:3480 197:3526 198:5941 199:8216 200:8505 201:6402 202:10375 203:10591 204:4655 205:3661 206:4594 207:3504 208:4243 209:5129 210:4633 211:2576 212:4557 213:3689 214:1052 215:48 216:6654 217:3092 218:1342 219:403 220:2074 221:1053 222:706 223:2307 End of report