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 10 Feb, 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: 958439 Prefixes after maximum aggregation (per Origin AS): 357691 Deaggregation factor: 2.68 Unique aggregates announced (without unneeded subnets): 457253 Number of IPv4 prefixes with a valid ROA: 453781 Number of IPv4 prefixes with an invalid ROA: 2325 Number of IPv4 prefixes with no ROA: 502333 Total ASes present in the Internet Routing Table: 75368 Prefixes per ASN: 12.72 Origin-only ASes present in the Internet Routing Table: 64839 Origin ASes announcing only one prefix: 26080 Transit ASes present in the Internet Routing Table: 10529 Transit-only ASes present in the Internet Routing Table: 481 Paths with bogon ASNs present in the IPv4 Routing Table: 104 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: 1133 Number of instances of unregistered ASNs: 1139 Number of 32-bit ASNs allocated by the RIRs: 43596 Number of 32-bit ASNs visible in the Routing Table: 35841 Prefixes from 32-bit ASNs in the Routing Table: 186437 Number of bogon 32-bit ASNs visible in the Routing Table: 38 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 507 Number of addresses announced to Internet: 3042275072 Equivalent to 181 /8s, 85 /16s and 111 /24s Percentage of available address space announced: 82.2 Percentage of allocated address space announced: 82.2 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: 321351 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 248641 Total APNIC prefixes after maximum aggregation: 72290 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 241361 Unique aggregates announced from the APNIC address blocks: 100043 APNIC Region origin ASes present in the Internet Routing Table: 13931 APNIC Prefixes per ASN: 17.33 APNIC Region origin ASes announcing only one prefix: 4211 APNIC Region transit ASes present in the Internet Routing Table: 1854 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: 9321 Number of APNIC addresses announced to Internet: 773989120 Equivalent to 46 /8s, 34 /16s and 35 /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: 278544 Total ARIN prefixes after maximum aggregation: 123769 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 283707 Unique aggregates announced from the ARIN address blocks: 132335 ARIN Region origin ASes present in the Internet Routing Table: 19081 ARIN Prefixes per ASN: 14.87 ARIN Region origin ASes announcing only one prefix: 6946 ARIN Region transit ASes present in the Internet Routing Table: 1911 Average ARIN Region AS path length visible: 7.6 Max ARIN Region AS path length visible: 29 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4844 Number of ARIN addresses announced to Internet: 1270099200 Equivalent to 75 /8s, 180 /16s and 45 /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: 266567 Total RIPE prefixes after maximum aggregation: 125892 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 260908 Unique aggregates announced from the RIPE address blocks: 161598 RIPE Region origin ASes present in the Internet Routing Table: 28575 RIPE Prefixes per ASN: 9.13 RIPE Region origin ASes announcing only one prefix: 12069 RIPE Region transit ASes present in the Internet Routing Table: 3875 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: 11590 Number of RIPE addresses announced to Internet: 713526016 Equivalent to 42 /8s, 135 /16s and 139 /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: 129190 Total LACNIC prefixes after maximum aggregation: 28845 LACNIC Deaggregation factor: 4.48 Prefixes being announced from the LACNIC address blocks: 127721 Unique aggregates announced from the LACNIC address blocks: 49569 LACNIC Region origin ASes present in the Internet Routing Table: 11057 LACNIC Prefixes per ASN: 11.55 LACNIC Region origin ASes announcing only one prefix: 2258 LACNIC Region transit ASes present in the Internet Routing Table: 2390 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: 8911 Number of LACNIC addresses announced to Internet: 177983744 Equivalent to 10 /8s, 155 /16s and 209 /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: 34364 Total AfriNIC prefixes after maximum aggregation: 6154 AfriNIC Deaggregation factor: 5.58 Prefixes being announced from the AfriNIC address blocks: 44235 Unique aggregates announced from the AfriNIC address blocks: 13288 AfriNIC Region origin ASes present in the Internet Routing Table: 1828 AfriNIC Prefixes per ASN: 24.20 AfriNIC Region origin ASes announcing only one prefix: 596 AfriNIC Region transit ASes present in the Internet Routing Table: 349 Average AfriNIC Region AS path length visible: 6.6 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1175 Number of AfriNIC addresses announced to Internet: 106375680 Equivalent to 6 /8s, 87 /16s and 42 /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 9815 8738 50 CHINAMOBILE-CN China Mobile Communicati 7545 5676 783 683 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4599 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3877 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3607 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3487 499 257 BBIL-AP BHARTI Airtel Ltd., IN 45899 3372 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2697 859 383 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2187 434 195 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 9632 11227 3375 AMAZON-02, US 174 4843 6641 665 COGENT-174, US 11492 4580 304 655 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 22773 3621 3062 300 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3592 1320 73 SHAW, CA 16625 3252 1423 2321 AKAMAI-AS, US 749 3184 54927 2436 DNIC-AS-00749, US 367 2921 3728 1424 DNIC-ASBLK-00306-00371, US 396982 2752 3639 394 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 7597 1698 149 UNI2-AS, ES 39891 4658 280 55 ALJAWWALSTC-AS, SA 20940 3893 3396 133 AKAMAI-ASN1, NL 9009 3293 286 1599 M247, RO 12389 2979 2302 907 ROSTELECOM-AS, RU 8551 2698 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2346 363 592 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1492 848 597 TCI, IR 8452 1482 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 12412 3391 623 UNINET, MX 10620 3522 496 891 Telmex Colombia S.A., CO 13999 2502 337 640 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1326 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1305 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1213 340 498 Axtel, S.A.B. de C.V., MX 11664 1131 178 429 Techtel LMDS Comunicaciones Interactiva 6147 1087 369 22 Telefonica del Peru S.A.A., PE 22884 1073 116 379 TOTAL PLAY TELECOMUNICACIONES SA DE CV, 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 1634 316 48 Telkom-Internet, ZA 24835 1548 545 28 RAYA-AS, EG 24863 1518 389 16 LINKdotNET-AS, EG 36992 1361 1519 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1124 72 58 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 36914 555 82 3 KENET-AS, KE 6713 551 1861 34 IAM-AS, MA 15399 541 55 48 WANANCHI-, 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 12412 3391 623 UNINET, MX 9808 9815 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9632 11227 3375 AMAZON-02, US 12479 7597 1698 149 UNI2-AS, ES 7545 5676 783 683 TPG-INTERNET-AP TPG Telecom Limited, AU 174 4843 6641 665 COGENT-174, US 39891 4658 280 55 ALJAWWALSTC-AS, SA 18403 4599 347 25 FPT-AS-AP FPT Telecom Company, VN 11492 4580 304 655 CABLEONE, US 7155 4177 288 96 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 9815 9765 CHINAMOBILE-CN China Mobile Communications Grou 12479 7597 7448 UNI2-AS, ES 16509 9632 6257 AMAZON-02, US 7545 5676 4993 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 4603 ALJAWWALSTC-AS, SA 18403 4599 4574 FPT-AS-AP FPT Telecom Company, VN 174 4843 4178 COGENT-174, US 7155 4177 4081 VIASAT-SP-BACKBONE, US 11492 4580 3925 CABLEONE, US 7552 3877 3856 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 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 54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, 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 23.164.72.0/24 Origin: 49195 SSAC, CN 23.164.72.0/24 Transit: 20473 AS-CHOOPA, 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 /11:98 /12:301 /13:576 /14:1200 /15:2115 /16:13445 /17:8259 /18:13899 /19:25106 /20:44054 /21:52290 /22:111816 /23:103178 /24:582036 /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 6714 7597 UNI2-AS, ES 8151 6377 12412 UNINET, MX 11492 3494 4580 CABLEONE, US 6327 3391 3592 SHAW, CA 39891 3340 4658 ALJAWWALSTC-AS, SA 7155 3121 4177 VIASAT-SP-BACKBONE, US 22773 2657 3621 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2174 2698 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2138 2481 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2128 3522 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2308 2:1543 3:298 4:8 5:4558 6:165 7:6 8:1529 9:1 11:172 12:1480 13:379 14:2336 15:311 16:203 17:361 18:732 20:360 21:4 22:188 23:6620 24:3101 25:2 27:2630 29:19 31:2597 32:63 34:40 35:123 36:2172 37:4497 38:7966 39:901 40:140 41:4370 42:2217 43:2337 44:335 45:17641 46:4405 47:285 49:1908 50:1921 51:576 52:1592 54:343 55:883 56:5 57:155 58:2039 59:1148 60:1018 61:2670 62:2783 63:1935 64:5689 65:2349 66:5040 67:3096 68:1351 69:4122 70:1365 71:587 72:2988 74:2676 75:1591 76:629 77:2474 78:1860 79:2515 80:2157 81:1922 82:1537 83:1267 84:1643 85:3126 86:785 87:2230 88:1272 89:4044 90:672 91:8045 92:2199 93:2656 94:3680 95:4089 96:1285 97:313 98:1032 99:744 100:95 101:1156 102:3576 103:32663 104:4785 105:2101 106:916 107:2763 108:1138 109:4050 110:2147 111:3166 112:2071 113:1752 114:1759 115:2060 116:1966 117:2646 118:2751 119:1959 120:1785 121:1282 122:2659 123:2223 124:1556 125:2819 126:28 128:1548 129:1012 130:1116 131:1927 132:845 133:411 134:1707 135:353 136:927 137:1022 138:2964 139:1538 140:1367 141:1355 142:1578 143:1556 144:1009 145:344 146:2021 147:1710 148:2536 149:2573 150:1039 151:1324 152:1985 153:597 154:5908 155:1375 156:2125 157:1521 158:1094 159:2206 160:2686 161:1635 162:3628 163:1712 164:1689 165:2168 166:1065 167:1732 168:3973 169:825 170:4968 171:1001 172:3818 173:3044 174:901 175:1238 176:3729 177:5354 178:3559 179:2488 180:2382 181:3763 182:3426 183:1995 184:2284 185:20787 186:5125 187:4785 188:4127 189:4345 190:9515 191:1806 192:11030 193:9037 194:7453 195:5370 196:3477 197:2760 198:5974 199:7167 200:8456 201:6431 202:10409 203:10296 204:4570 205:3723 206:4451 207:3507 208:4151 209:4963 210:4478 211:2506 212:4324 213:3475 214:1114 215:44 216:6850 217:2870 218:1331 219:423 220:2050 221:1022 222:690 223:2207 End of report