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 15 Jun, 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: 966743 Prefixes after maximum aggregation (per Origin AS): 362061 Deaggregation factor: 2.67 Unique aggregates announced (without unneeded subnets): 464999 Number of IPv4 prefixes with a valid ROA: 492278 Number of IPv4 prefixes with an invalid ROA: 1073 Number of IPv4 prefixes with no ROA: 473392 Total ASes present in the Internet Routing Table: 75843 Prefixes per ASN: 12.75 Origin-only ASes present in the Internet Routing Table: 65261 Origin ASes announcing only one prefix: 26328 Transit ASes present in the Internet Routing Table: 10582 Transit-only ASes present in the Internet Routing Table: 525 Paths with bogon ASNs present in the IPv4 Routing Table: 212 Average AS path length visible in the Internet Routing Table: 7.2 Max AS path length visible: 88 Max AS path prepend of ASN ( 37447) 86 Prefixes from unregistered ASNs in the Routing Table: 1124 Number of instances of unregistered ASNs: 1128 Number of 32-bit ASNs allocated by the RIRs: 44765 Number of 32-bit ASNs visible in the Routing Table: 36567 Prefixes from 32-bit ASNs in the Routing Table: 192198 Number of bogon 32-bit ASNs visible in the Routing Table: 19 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 666 Number of addresses announced to Internet: 3025492736 Equivalent to 180 /8s, 85 /16s and 91 /24s Percentage of available address space announced: 81.7 Percentage of allocated address space announced: 81.7 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: 321535 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 251134 Total APNIC prefixes after maximum aggregation: 73478 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 243189 Unique aggregates announced from the APNIC address blocks: 101088 APNIC Region origin ASes present in the Internet Routing Table: 14134 APNIC Prefixes per ASN: 17.21 APNIC Region origin ASes announcing only one prefix: 4308 APNIC Region transit ASes present in the Internet Routing Table: 1860 Average APNIC Region AS path length visible: 7.4 Max APNIC Region AS path length visible: 28 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9578 Number of APNIC addresses announced to Internet: 761775616 Equivalent to 45 /8s, 103 /16s and 198 /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: 281001 Total ARIN prefixes after maximum aggregation: 125190 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 285661 Unique aggregates announced from the ARIN address blocks: 134726 ARIN Region origin ASes present in the Internet Routing Table: 19112 ARIN Prefixes per ASN: 14.95 ARIN Region origin ASes announcing only one prefix: 6957 ARIN Region transit ASes present in the Internet Routing Table: 1913 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: 4917 Number of ARIN addresses announced to Internet: 1266872320 Equivalent to 75 /8s, 130 /16s and 240 /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: 269464 Total RIPE prefixes after maximum aggregation: 127565 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 264246 Unique aggregates announced from the RIPE address blocks: 164962 RIPE Region origin ASes present in the Internet Routing Table: 28711 RIPE Prefixes per ASN: 9.20 RIPE Region origin ASes announcing only one prefix: 12116 RIPE Region transit ASes present in the Internet Routing Table: 3888 Average RIPE Region AS path length visible: 7.0 Max RIPE Region AS path length visible: 42 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11863 Number of RIPE addresses announced to Internet: 713894656 Equivalent to 42 /8s, 141 /16s and 43 /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: 129801 Total LACNIC prefixes after maximum aggregation: 28855 LACNIC Deaggregation factor: 4.50 Prefixes being announced from the LACNIC address blocks: 127723 Unique aggregates announced from the LACNIC address blocks: 50240 LACNIC Region origin ASes present in the Internet Routing Table: 11101 LACNIC Prefixes per ASN: 11.51 LACNIC Region origin ASes announcing only one prefix: 2332 LACNIC Region transit ASes present in the Internet Routing Table: 2400 Average LACNIC Region AS path length visible: 7.7 Max LACNIC Region AS path length visible: 63 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8992 Number of LACNIC addresses announced to Internet: 176783872 Equivalent to 10 /8s, 137 /16s and 130 /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: 34219 Total AfriNIC prefixes after maximum aggregation: 6240 AfriNIC Deaggregation factor: 5.48 Prefixes being announced from the AfriNIC address blocks: 45258 Unique aggregates announced from the AfriNIC address blocks: 13504 AfriNIC Region origin ASes present in the Internet Routing Table: 1850 AfriNIC Prefixes per ASN: 24.46 AfriNIC Region origin ASes announcing only one prefix: 615 AfriNIC Region transit ASes present in the Internet Routing Table: 363 Average AfriNIC Region AS path length visible: 6.8 Max AfriNIC Region AS path length visible: 88 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1217 Number of AfriNIC addresses announced to Internet: 105772288 Equivalent to 6 /8s, 77 /16s and 245 /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 9938 8917 122 CHINAMOBILE-CN China Mobile Communicati 7545 5641 777 672 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4184 347 23 UNASSIGNED 7552 3946 1331 21 UNASSIGNED 9498 3782 511 264 BBIL-AP BHARTI Airtel Ltd., IN 7713 3614 1043 64 UNASSIGNED 45899 3279 1857 105 UNASSIGNED 24560 2823 863 400 UNASSIGNED 4755 2187 433 196 TATACOMM-AS TATA Communications formerl 45090 2150 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 10031 11412 3556 AMAZON-02, US 174 5374 8781 870 COGENT-174, US 11492 4639 308 550 CABLEONE, US 7155 4166 287 88 VIASAT-SP-BACKBONE, US 6327 3594 1320 79 SHAW, CA 22773 3460 3037 215 ASN-CXA-ALL-CCI-22773-RDC, US 749 3251 54901 2503 UNASSIGNED 16625 3187 1357 2241 AKAMAI-AS, US 7018 2880 23667 1812 ATT-INTERNET4, US 396982 2760 3620 409 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 7728 1708 145 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3881 3396 130 AKAMAI-ASN1, NL 9009 3596 306 1816 M247, RO 12389 2914 2294 869 ROSTELECOM-AS, RU 34984 2347 361 577 TELLCOM-AS, TR 8551 1773 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 212238 1697 123 1231 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1527 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 12177 3324 507 UNINET, MX 10620 3518 492 938 Telmex Colombia S.A., CO 13999 2545 354 672 Mega Cable, S.A. de C.V., MX 11830 2002 369 64 Instituto Costarricense de Electricidad 28573 1344 2311 258 Claro NXT Telecomunicacoes Ltda, BR 3816 1322 784 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1249 278 33 Techtel LMDS Comunicaciones Interactiva 6503 1128 314 478 Axtel, S.A.B. de C.V., MX 28202 1117 52 9 Rede Brasileira de Comunicacao SA, BR 6147 1092 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 24863 1612 389 16 LINKdotNET-AS, EG 24835 1557 593 29 RAYA-AS, EG 36992 1380 1520 283 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1219 77 73 ORANGE-COTE-IVOIRE, CI 36935 939 521 43 Vodafone-, EG 37457 568 314 37 Telkom-Internet, ZA 6713 556 1861 35 IAM-AS, MA 36914 552 82 3 KENET-AS, KE 15399 537 56 52 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 12177 3324 507 UNINET, MX 16509 10031 11412 3556 AMAZON-02, US 9808 9938 8917 122 CHINAMOBILE-CN China Mobile Communicati 12479 7728 1708 145 UNI2-AS, ES 7545 5641 777 672 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5374 8781 870 COGENT-174, US 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4639 308 550 CABLEONE, US 18403 4184 347 23 UNASSIGNED 7155 4166 287 88 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 9938 9816 CHINAMOBILE-CN China Mobile Communications Grou 12479 7728 7583 UNI2-AS, ES 16509 10031 6475 AMAZON-02, US 7545 5641 4969 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 174 5374 4504 COGENT-174, US 18403 4184 4161 UNASSIGNED 11492 4639 4089 CABLEONE, US 7155 4166 4078 VIASAT-SP-BACKBONE, US 7552 3946 3925 UNASSIGNED 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 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-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 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 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 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.167.48.0/24 Origin: 23379 UNASSIGNED 23.167.48.0/24 Transit: 6939 HURRICANE, US 23.170.224.0/24 Origin: 30168 UNASSIGNED 23.170.224.0/24 Transit: 397095 SETSONLLC, 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 /11:93 /12:298 /13:573 /14:1187 /15:2104 /16:13326 /17:8280 /18:13886 /19:24724 /20:43922 /21:52122 /22:112488 /23:103584 /24:590090 /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 6816 7728 UNI2-AS, ES 8151 6218 12177 UNINET, MX 11492 3546 4639 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3390 3594 SHAW, CA 7155 3111 4166 VIASAT-SP-BACKBONE, US 22773 2568 3460 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2163 2505 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2147 3518 Telmex Colombia S.A., CO 16509 2141 10031 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2278 2:1543 3:348 4:6 5:4654 6:162 7:6 8:1514 9:1 11:172 12:1455 13:354 14:2367 15:316 16:217 17:374 18:772 20:392 21:4 22:188 23:6875 24:3096 25:2 27:2635 29:19 31:2605 32:54 34:66 35:135 36:2313 37:4505 38:8885 39:902 40:139 41:4422 42:2033 43:2399 44:328 45:17736 46:4548 47:306 49:1969 50:1897 51:583 52:1582 54:314 55:916 56:8 57:211 58:2083 59:1193 60:1034 61:2665 62:2804 63:1897 64:5662 65:2323 66:4731 67:3034 68:1318 69:4143 70:1342 71:580 72:2949 74:2617 75:1583 76:621 77:2622 78:1875 79:1784 80:2204 81:2028 82:1652 83:1364 84:1684 85:3195 86:916 87:2297 88:1275 89:4160 90:678 91:8267 92:2308 93:2728 94:3761 95:4220 96:1279 97:318 98:1036 99:740 100:73 101:1165 102:3977 103:32462 104:4832 105:1089 106:990 107:2598 108:1156 109:4068 110:2136 111:3253 112:2059 113:1807 114:1820 115:2132 116:1890 117:2653 118:2709 119:2010 120:1781 121:1308 122:2706 123:2236 124:1576 125:2858 126:32 128:1431 129:1022 130:1188 131:1915 132:823 133:412 134:1735 135:365 136:1124 137:1060 138:2933 139:1531 140:1391 141:1368 142:1672 143:1622 144:1010 145:374 146:2091 147:1982 148:2517 149:2822 150:1041 151:1356 152:2233 153:593 154:7201 155:1507 156:2298 157:1861 158:1156 159:2307 160:2792 161:1708 162:3586 163:1724 164:1693 165:2204 166:1275 167:1812 168:4141 169:821 170:5108 171:1030 172:3880 173:3090 174:893 175:1271 176:3526 177:5539 178:3712 179:2402 180:2416 181:3824 182:3366 183:1964 184:2268 185:21070 186:5307 187:4781 188:4189 189:4457 190:9597 191:1953 192:11041 193:9176 194:7579 195:5425 196:3436 197:2810 198:5975 199:7949 200:8381 201:6444 202:10315 203:10271 204:4596 205:3675 206:4456 207:3533 208:4180 209:5075 210:4513 211:2530 212:4349 213:3551 214:1062 215:48 216:6832 217:3072 218:1315 219:428 220:1813 221:1040 222:693 223:2235 End of report