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 27 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: 957420 Prefixes after maximum aggregation (per Origin AS): 357426 Deaggregation factor: 2.68 Unique aggregates announced (without unneeded subnets): 456367 Number of IPv4 prefixes with a valid ROA: 450328 Number of IPv4 prefixes with an invalid ROA: 2388 Number of IPv4 prefixes with no ROA: 504704 Total ASes present in the Internet Routing Table: 75377 Prefixes per ASN: 12.70 Origin-only ASes present in the Internet Routing Table: 64827 Origin ASes announcing only one prefix: 26109 Transit ASes present in the Internet Routing Table: 10550 Transit-only ASes present in the Internet Routing Table: 479 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: 1134 Number of instances of unregistered ASNs: 1136 Number of 32-bit ASNs allocated by the RIRs: 43487 Number of 32-bit ASNs visible in the Routing Table: 35818 Prefixes from 32-bit ASNs in the Routing Table: 185709 Number of bogon 32-bit ASNs visible in the Routing Table: 36 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 494 Number of addresses announced to Internet: 3048095232 Equivalent to 181 /8s, 174 /16s and 62 /24s Percentage of available address space announced: 82.3 Percentage of allocated address space announced: 82.3 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: 321163 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 248526 Total APNIC prefixes after maximum aggregation: 72191 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 241431 Unique aggregates announced from the APNIC address blocks: 99921 APNIC Region origin ASes present in the Internet Routing Table: 13925 APNIC Prefixes per ASN: 17.34 APNIC Region origin ASes announcing only one prefix: 4220 APNIC Region transit ASes present in the Internet Routing Table: 1860 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: 9314 Number of APNIC addresses announced to Internet: 774451968 Equivalent to 46 /8s, 41 /16s and 51 /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: 277865 Total ARIN prefixes after maximum aggregation: 123891 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 283019 Unique aggregates announced from the ARIN address blocks: 132147 ARIN Region origin ASes present in the Internet Routing Table: 19078 ARIN Prefixes per ASN: 14.83 ARIN Region origin ASes announcing only one prefix: 6942 ARIN Region transit ASes present in the Internet Routing Table: 1899 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: 4836 Number of ARIN addresses announced to Internet: 1272727296 Equivalent to 75 /8s, 220 /16s and 71 /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: 266308 Total RIPE prefixes after maximum aggregation: 125630 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 260502 Unique aggregates announced from the RIPE address blocks: 161294 RIPE Region origin ASes present in the Internet Routing Table: 28587 RIPE Prefixes per ASN: 9.11 RIPE Region origin ASes announcing only one prefix: 12084 RIPE Region transit ASes present in the Internet Routing Table: 3877 Average RIPE Region AS path length visible: 7.9 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11581 Number of RIPE addresses announced to Internet: 714484992 Equivalent to 42 /8s, 150 /16s and 45 /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: 129021 Total LACNIC prefixes after maximum aggregation: 28829 LACNIC Deaggregation factor: 4.48 Prefixes being announced from the LACNIC address blocks: 127587 Unique aggregates announced from the LACNIC address blocks: 49545 LACNIC Region origin ASes present in the Internet Routing Table: 11059 LACNIC Prefixes per ASN: 11.54 LACNIC Region origin ASes announcing only one prefix: 2261 LACNIC Region transit ASes present in the Internet Routing Table: 2407 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: 178116608 Equivalent to 10 /8s, 157 /16s and 216 /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: 34566 Total AfriNIC prefixes after maximum aggregation: 6146 AfriNIC Deaggregation factor: 5.62 Prefixes being announced from the AfriNIC address blocks: 44387 Unique aggregates announced from the AfriNIC address blocks: 13051 AfriNIC Region origin ASes present in the Internet Routing Table: 1831 AfriNIC Prefixes per ASN: 24.24 AfriNIC Region origin ASes announcing only one prefix: 602 AfriNIC Region transit ASes present in the Internet Routing Table: 348 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: 108025856 Equivalent to 6 /8s, 112 /16s and 88 /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 9799 8739 51 CHINAMOBILE-CN China Mobile Communicati 7545 5664 783 676 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4557 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3877 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3606 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3460 499 256 BBIL-AP BHARTI Airtel Ltd., IN 45899 3366 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2692 860 360 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2185 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 9517 11237 3354 AMAZON-02, US 11492 4576 303 661 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 174 4108 6637 667 COGENT-174, US 22773 3623 3060 300 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3567 1319 69 SHAW, CA 16625 3253 1425 2322 AKAMAI-AS, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2907 3728 1413 DNIC-ASBLK-00306-00371, US 396982 2749 3639 391 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 7546 1698 148 UNI2-AS, ES 39891 4658 280 55 ALJAWWALSTC-AS, SA 20940 4036 3396 133 AKAMAI-ASN1, NL 9009 3281 286 1591 M247, RO 12389 2981 2301 912 ROSTELECOM-AS, RU 8551 2808 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2327 359 600 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1510 867 579 TCI, IR 8452 1469 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 12368 3381 620 UNINET, MX 10620 3528 497 885 Telmex Colombia S.A., CO 13999 2499 337 640 Mega Cable, S.A. de C.V., MX 11830 2006 369 64 Instituto Costarricense de Electricidad 28573 1341 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1305 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1229 340 496 Axtel, S.A.B. de C.V., MX 11664 1118 177 421 Techtel LMDS Comunicaciones Interactiva 28202 1105 52 9 Rede Brasileira de Comunicacao SA, BR 6147 1089 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 1632 316 48 Telkom-Internet, ZA 24863 1565 389 16 LINKdotNET-AS, EG 24835 1548 545 28 RAYA-AS, EG 36992 1364 1518 282 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1100 71 53 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 36914 549 82 3 KENET-AS, KE 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 12368 3381 620 UNINET, MX 9808 9799 8739 51 CHINAMOBILE-CN China Mobile Communicati 16509 9517 11237 3354 AMAZON-02, US 12479 7546 1698 148 UNI2-AS, ES 7545 5664 783 676 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 280 55 ALJAWWALSTC-AS, SA 11492 4576 303 661 CABLEONE, US 18403 4557 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4177 288 96 VIASAT-SP-BACKBONE, US 174 4108 6637 667 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 9799 9748 CHINAMOBILE-CN China Mobile Communications Grou 12479 7546 7398 UNI2-AS, ES 16509 9517 6163 AMAZON-02, US 7545 5664 4988 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 4603 ALJAWWALSTC-AS, SA 18403 4557 4532 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4081 VIASAT-SP-BACKBONE, US 11492 4576 3915 CABLEONE, US 20940 4036 3903 AKAMAI-ASN1, NL 7552 3877 3857 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 23.176.160.0/24 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 41.57.124.0/22 Origin: 37442 RESERVED, ZZ 41.57.124.0/22 Transit: 37204 TELONE, ZW 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 /12:301 /13:577 /14:1204 /15:2123 /16:13532 /17:8315 /18:14019 /19:25171 /20:44195 /21:52342 /22:111967 /23:102963 /24:580546 /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 6638 7546 UNI2-AS, ES 8151 6338 12368 UNINET, MX 11492 3490 4576 CABLEONE, US 6327 3373 3567 SHAW, CA 39891 3340 4658 ALJAWWALSTC-AS, SA 7155 3121 4177 VIASAT-SP-BACKBONE, US 22773 2658 3623 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2284 2808 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2132 2475 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2131 3528 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) ---------------------------------------------- 1:2297 2:1557 3:288 4:7 5:4542 6:163 7:6 8:1541 9:1 11:172 12:1483 13:378 14:2336 15:310 16:203 17:362 18:722 20:369 21:4 22:188 23:6640 24:3106 25:2 27:2635 29:19 31:2593 32:62 34:37 35:122 36:2171 37:4507 38:7148 39:892 40:151 41:4425 42:2199 43:2342 44:330 45:17548 46:4355 47:285 49:1908 50:1918 51:576 52:1595 54:361 55:883 56:5 57:146 58:2002 59:1151 60:1017 61:2665 62:2847 63:1919 64:5703 65:2355 66:5047 67:3095 68:1347 69:4105 70:1362 71:588 72:3008 74:2667 75:1587 76:622 77:2467 78:1852 79:2607 80:2158 81:1917 82:1540 83:1269 84:1648 85:3149 86:771 87:2066 88:1269 89:4009 90:659 91:8052 92:2188 93:2662 94:3652 95:4059 96:1288 97:319 98:1036 99:744 100:96 101:1159 102:3559 103:32711 104:4834 105:2104 106:909 107:2748 108:1132 109:4076 110:2146 111:3166 112:2070 113:1739 114:1757 115:2066 116:1969 117:2643 118:2767 119:1963 120:1785 121:1281 122:2659 123:2201 124:1555 125:2810 126:28 128:1550 129:995 130:1107 131:1902 132:847 133:409 134:1710 135:349 136:927 137:1012 138:2971 139:1563 140:1310 141:1354 142:1567 143:1571 144:1004 145:342 146:2010 147:1678 148:2525 149:2531 150:1033 151:1319 152:1978 153:598 154:5862 155:1386 156:2126 157:1453 158:1088 159:2214 160:2690 161:1633 162:3627 163:1693 164:1678 165:2158 166:1069 167:1719 168:3992 169:814 170:4959 171:997 172:3814 173:3041 174:904 175:1236 176:3717 177:5354 178:3556 179:2491 180:2378 181:3742 182:3420 183:1998 184:2298 185:20798 186:5089 187:4767 188:4145 189:4342 190:9545 191:1938 192:11023 193:9038 194:7425 195:5300 196:3478 197:2774 198:5970 199:7096 200:8487 201:6429 202:10425 203:10252 204:4602 205:3708 206:4458 207:3492 208:4144 209:4943 210:4466 211:2509 212:4292 213:3475 214:1110 215:45 216:6856 217:2875 218:1306 219:414 220:2051 221:1024 222:688 223:2207 End of report