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 06 Jan, 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: 955810 Prefixes after maximum aggregation (per Origin AS): 357615 Deaggregation factor: 2.67 Unique aggregates announced (without unneeded subnets): 456270 Number of IPv4 prefixes with a valid ROA: 444654 Number of IPv4 prefixes with an invalid ROA: 4287 Number of IPv4 prefixes with no ROA: 506869 Total ASes present in the Internet Routing Table: 75254 Prefixes per ASN: 12.70 Origin-only ASes present in the Internet Routing Table: 64771 Origin ASes announcing only one prefix: 26131 Transit ASes present in the Internet Routing Table: 10483 Transit-only ASes present in the Internet Routing Table: 478 Paths with bogon ASNs present in the IPv4 Routing Table: 96 Average AS path length visible in the Internet Routing Table: 7.9 Max AS path length visible: 59 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 1134 Number of instances of unregistered ASNs: 1136 Number of 32-bit ASNs allocated by the RIRs: 43318 Number of 32-bit ASNs visible in the Routing Table: 35663 Prefixes from 32-bit ASNs in the Routing Table: 184222 Number of bogon 32-bit ASNs visible in the Routing Table: 34 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 482 Number of addresses announced to Internet: 3048993024 Equivalent to 181 /8s, 187 /16s and 241 /24s Percentage of available address space announced: 82.4 Percentage of allocated address space announced: 82.4 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: 321239 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 247991 Total APNIC prefixes after maximum aggregation: 71895 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 240967 Unique aggregates announced from the APNIC address blocks: 99632 APNIC Region origin ASes present in the Internet Routing Table: 13849 APNIC Prefixes per ASN: 17.40 APNIC Region origin ASes announcing only one prefix: 4172 APNIC Region transit ASes present in the Internet Routing Table: 1864 Average APNIC Region AS path length visible: 8.0 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9226 Number of APNIC addresses announced to Internet: 774241536 Equivalent to 46 /8s, 37 /16s and 253 /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: 278205 Total ARIN prefixes after maximum aggregation: 124657 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 283353 Unique aggregates announced from the ARIN address blocks: 132967 ARIN Region origin ASes present in the Internet Routing Table: 19084 ARIN Prefixes per ASN: 14.85 ARIN Region origin ASes announcing only one prefix: 6953 ARIN Region transit ASes present in the Internet Routing Table: 1889 Average ARIN Region AS path length visible: 7.7 Max ARIN Region AS path length visible: 29 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4831 Number of ARIN addresses announced to Internet: 1273938176 Equivalent to 75 /8s, 238 /16s and 193 /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: 266209 Total RIPE prefixes after maximum aggregation: 125377 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 260350 Unique aggregates announced from the RIPE address blocks: 161025 RIPE Region origin ASes present in the Internet Routing Table: 28549 RIPE Prefixes per ASN: 9.12 RIPE Region origin ASes announcing only one prefix: 12104 RIPE Region transit ASes present in the Internet Routing Table: 3836 Average RIPE Region AS path length visible: 7.8 Max RIPE Region AS path length visible: 39 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11527 Number of RIPE addresses announced to Internet: 714596608 Equivalent to 42 /8s, 151 /16s and 225 /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: 127925 Total LACNIC prefixes after maximum aggregation: 28851 LACNIC Deaggregation factor: 4.43 Prefixes being announced from the LACNIC address blocks: 126569 Unique aggregates announced from the LACNIC address blocks: 49427 LACNIC Region origin ASes present in the Internet Routing Table: 11066 LACNIC Prefixes per ASN: 11.44 LACNIC Region origin ASes announcing only one prefix: 2305 LACNIC Region transit ASes present in the Internet Routing Table: 2392 Average LACNIC Region AS path length visible: 8.6 Max LACNIC Region AS path length visible: 59 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8912 Number of LACNIC addresses announced to Internet: 177850624 Equivalent to 10 /8s, 153 /16s and 201 /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: 34346 Total AfriNIC prefixes after maximum aggregation: 6100 AfriNIC Deaggregation factor: 5.63 Prefixes being announced from the AfriNIC address blocks: 44089 Unique aggregates announced from the AfriNIC address blocks: 12818 AfriNIC Region origin ASes present in the Internet Routing Table: 1824 AfriNIC Prefixes per ASN: 24.17 AfriNIC Region origin ASes announcing only one prefix: 597 AfriNIC Region transit ASes present in the Internet Routing Table: 346 Average AfriNIC Region AS path length visible: 6.6 Max AfriNIC Region AS path length visible: 29 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1167 Number of AfriNIC addresses announced to Internet: 108047616 Equivalent to 6 /8s, 112 /16s and 173 /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 9787 8738 50 CHINAMOBILE-CN China Mobile Communicati 7545 5675 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4552 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3825 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3604 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3420 499 256 BBIL-AP BHARTI Airtel Ltd., IN 45899 3355 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2665 857 379 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2185 442 199 TATACOMM-AS TATA Communications formerl 45090 2185 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 9433 11196 3343 AMAZON-02, US 11492 4564 303 677 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 174 4059 6647 642 COGENT-174, US 6327 3567 1320 70 SHAW, CA 22773 3517 3059 304 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3241 1435 2349 AKAMAI-AS, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2963 3838 1418 DNIC-ASBLK-00306-00371, US 396982 2743 3639 389 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 7509 1714 146 UNI2-AS, ES 39891 4641 279 54 ALJAWWALSTC-AS, SA 20940 4041 3397 141 AKAMAI-ASN1, NL 9009 3470 299 1629 M247, RO 8551 3143 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 3000 2301 912 ROSTELECOM-AS, RU 34984 2324 359 598 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1511 872 577 TCI, IR 8452 1471 1852 14 TE-AS TE-AS, EG 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 12193 3385 597 UNINET, MX 10620 3523 497 888 Telmex Colombia S.A., CO 13999 2496 340 638 Mega Cable, S.A. de C.V., MX 11830 2006 369 64 Instituto Costarricense de Electricidad 28573 1345 2318 237 Claro NXT Telecomunicacoes Ltda, BR 3816 1307 787 198 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1246 341 504 Axtel, S.A.B. de C.V., MX 11664 1108 178 418 Techtel LMDS Comunicaciones Interactiva 28202 1104 52 9 Rede Brasileira de Comunicacao SA, BR 6147 1087 369 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 37457 1627 316 48 Telkom-Internet, ZA 24835 1548 545 28 RAYA-AS, EG 24863 1531 389 16 LINKdotNET-AS, EG 36992 1359 1518 280 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1073 69 52 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 542 55 49 WANANCHI-, KE 36914 535 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 12193 3385 597 UNINET, MX 9808 9787 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9433 11196 3343 AMAZON-02, US 12479 7509 1714 146 UNI2-AS, ES 7545 5675 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4641 279 54 ALJAWWALSTC-AS, SA 11492 4564 303 677 CABLEONE, US 18403 4552 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4177 288 96 VIASAT-SP-BACKBONE, US 174 4059 6647 642 COGENT-174, 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 9787 9737 CHINAMOBILE-CN China Mobile Communications Grou 12479 7509 7363 UNI2-AS, ES 16509 9433 6090 AMAZON-02, US 7545 5675 4989 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4641 4587 ALJAWWALSTC-AS, SA 18403 4552 4527 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4081 VIASAT-SP-BACKBONE, US 20940 4041 3900 AKAMAI-ASN1, NL 11492 4564 3887 CABLEONE, US 7552 3825 3805 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 65536 DOCUMENT 5.102.30.0/24 198471 LINKEM-AS, IT 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 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 LIGHTOWER, 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 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 23.169.88.0/24 Origin: 44658 CRAB-AS, US 23.169.88.0/24 Transit: 21738 ROZINT, 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 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 /9:14 /10:36 /11:99 /12:302 /13:579 /14:1202 /15:2116 /16:13520 /17:8326 /18:14021 /19:25208 /20:44228 /21:52306 /22:111925 /23:103646 /24:578266 /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 12479 6606 7509 UNI2-AS, ES 8151 6189 12193 UNINET, MX 11492 3478 4564 CABLEONE, US 6327 3372 3567 SHAW, CA 39891 3324 4641 ALJAWWALSTC-AS, SA 7155 3121 4177 VIASAT-SP-BACKBONE, US 8551 2620 3143 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2556 3517 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2126 3523 Telmex Colombia S.A., CO 30036 2120 2464 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2283 2:1423 3:281 4:7 5:4510 6:165 7:6 8:1540 9:1 11:172 12:1489 13:374 14:2329 15:309 16:206 17:362 18:713 20:363 21:4 22:188 23:6606 24:3073 25:2 27:2590 29:19 31:2575 32:62 34:37 35:120 36:2153 37:4519 38:6951 39:885 40:147 41:4477 42:2207 43:2334 44:330 45:17363 46:4385 47:285 49:1905 50:1904 51:578 52:1592 54:369 55:884 56:5 57:138 58:1931 59:1115 60:1013 61:2646 62:2842 63:1917 64:5673 65:2361 66:5117 67:3082 68:1346 69:4118 70:1342 71:581 72:2987 74:2670 75:1593 76:623 77:2459 78:1843 79:2892 80:2139 81:1890 82:1543 83:1343 84:1627 85:3098 86:780 87:2078 88:1278 89:3984 90:656 91:8023 92:2181 93:2651 94:3640 95:4026 96:1289 97:315 98:1017 99:744 100:94 101:1155 102:3526 103:32660 104:4795 105:2105 106:972 107:2737 108:1132 109:4110 110:2137 111:3174 112:2088 113:1743 114:1756 115:2091 116:1974 117:2637 118:2774 119:1962 120:1769 121:1271 122:2654 123:2203 124:1591 125:2776 128:1476 129:1001 130:1099 131:2052 132:835 133:411 134:1711 135:346 136:921 137:1006 138:2842 139:1555 140:1352 141:1354 142:1566 143:1579 144:999 145:337 146:2012 147:1646 148:2515 149:2475 150:1035 151:1313 152:1853 153:600 154:5772 155:1388 156:2126 157:1390 158:1082 159:2209 160:2701 161:1625 162:3606 163:1686 164:1678 165:2159 166:1069 167:1711 168:3972 169:824 170:4907 171:977 172:3794 173:3019 174:895 175:1237 176:3676 177:5311 178:3569 179:2434 180:2364 181:3718 182:3417 183:2002 184:2277 185:20734 186:5049 187:4672 188:4140 189:4257 190:9536 191:1935 192:11054 193:9005 194:7411 195:5302 196:3495 197:2752 198:5961 199:6913 200:8481 201:6297 202:10466 203:10212 204:4612 205:3689 206:4476 207:3481 208:4123 209:4967 210:4461 211:2498 212:4271 213:3452 214:1109 215:50 216:6826 217:2860 218:1314 219:415 220:2045 221:1022 222:686 223:2192 End of report