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 Apr, 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: 962733 Prefixes after maximum aggregation (per Origin AS): 360490 Deaggregation factor: 2.67 Unique aggregates announced (without unneeded subnets): 460937 Number of IPv4 prefixes with a valid ROA: 478059 Number of IPv4 prefixes with an invalid ROA: 838 Number of IPv4 prefixes with no ROA: 483836 Total ASes present in the Internet Routing Table: 75745 Prefixes per ASN: 12.71 Origin-only ASes present in the Internet Routing Table: 65022 Origin ASes announcing only one prefix: 26240 Transit ASes present in the Internet Routing Table: 10723 Transit-only ASes present in the Internet Routing Table: 513 Paths with bogon ASNs present in the IPv4 Routing Table: 216 Average AS path length visible in the Internet Routing Table: 5.1 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1128 Number of instances of unregistered ASNs: 1132 Number of 32-bit ASNs allocated by the RIRs: 44303 Number of 32-bit ASNs visible in the Routing Table: 36343 Prefixes from 32-bit ASNs in the Routing Table: 190650 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: 617 Number of addresses announced to Internet: 3028296192 Equivalent to 180 /8s, 128 /16s and 34 /24s Percentage of available address space announced: 81.8 Percentage of allocated address space announced: 81.8 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: 321240 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249508 Total APNIC prefixes after maximum aggregation: 72915 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 241839 Unique aggregates announced from the APNIC address blocks: 100545 APNIC Region origin ASes present in the Internet Routing Table: 14049 APNIC Prefixes per ASN: 17.21 APNIC Region origin ASes announcing only one prefix: 4271 APNIC Region transit ASes present in the Internet Routing Table: 1850 Average APNIC Region AS path length visible: 5.6 Max APNIC Region AS path length visible: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9483 Number of APNIC addresses announced to Internet: 760802816 Equivalent to 45 /8s, 88 /16s and 238 /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: 278986 Total ARIN prefixes after maximum aggregation: 124786 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 284117 Unique aggregates announced from the ARIN address blocks: 133422 ARIN Region origin ASes present in the Internet Routing Table: 19126 ARIN Prefixes per ASN: 14.86 ARIN Region origin ASes announcing only one prefix: 6967 ARIN Region transit ASes present in the Internet Routing Table: 1934 Average ARIN Region AS path length visible: 4.8 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4884 Number of ARIN addresses announced to Internet: 1268692480 Equivalent to 75 /8s, 158 /16s and 182 /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: 268856 Total RIPE prefixes after maximum aggregation: 126853 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 263297 Unique aggregates announced from the RIPE address blocks: 163902 RIPE Region origin ASes present in the Internet Routing Table: 28687 RIPE Prefixes per ASN: 9.18 RIPE Region origin ASes announcing only one prefix: 12127 RIPE Region transit ASes present in the Internet Routing Table: 3970 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 44 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11788 Number of RIPE addresses announced to Internet: 714469888 Equivalent to 42 /8s, 149 /16s and 242 /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: 130633 Total LACNIC prefixes after maximum aggregation: 28962 LACNIC Deaggregation factor: 4.51 Prefixes being announced from the LACNIC address blocks: 128776 Unique aggregates announced from the LACNIC address blocks: 49537 LACNIC Region origin ASes present in the Internet Routing Table: 11099 LACNIC Prefixes per ASN: 11.60 LACNIC Region origin ASes announcing only one prefix: 2259 LACNIC Region transit ASes present in the Internet Routing Table: 2415 Average LACNIC Region AS path length visible: 5.8 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8974 Number of LACNIC addresses announced to Internet: 177144832 Equivalent to 10 /8s, 143 /16s and 4 /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: 33622 Total AfriNIC prefixes after maximum aggregation: 6227 AfriNIC Deaggregation factor: 5.40 Prefixes being announced from the AfriNIC address blocks: 44087 Unique aggregates announced from the AfriNIC address blocks: 13063 AfriNIC Region origin ASes present in the Internet Routing Table: 1849 AfriNIC Prefixes per ASN: 23.84 AfriNIC Region origin ASes announcing only one prefix: 616 AfriNIC Region transit ASes present in the Internet Routing Table: 362 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1214 Number of AfriNIC addresses announced to Internet: 106867968 Equivalent to 6 /8s, 94 /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 9880 8743 63 CHINAMOBILE-CN China Mobile Communicati 7545 5668 777 678 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4615 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3881 1330 20 VIETEL-AS-AP Viettel Group, VN 9498 3586 500 254 BBIL-AP BHARTI Airtel Ltd., IN 7713 3583 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3289 1872 100 VNPT-AS-VN VNPT Corp, VN 24560 2778 863 370 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2172 433 192 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 9785 11353 3523 AMAZON-02, US 174 5349 6630 838 COGENT-174, US 11492 4597 305 618 CABLEONE, US 7155 4169 287 89 VIASAT-SP-BACKBONE, US 6327 3614 1320 79 SHAW, CA 22773 3501 3045 235 ASN-CXA-ALL-CCI-22773-RDC, US 749 3200 54911 2452 DNIC-AS-00749, US 16625 3160 1345 2244 AKAMAI-AS, US 367 2798 3528 1345 DNIC-ASBLK-00306-00371, US 7018 2780 23653 1781 ATT-INTERNET4, 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 7709 1708 144 UNI2-AS, ES 39891 4741 285 59 ALJAWWALSTC-AS, SA 20940 3926 3396 128 AKAMAI-ASN1, NL 9009 3296 285 1616 M247, RO 8551 2634 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2505 2243 780 ROSTELECOM-AS, RU 34984 2347 363 584 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1563 1852 14 TE-AS TE-AS, EG 44477 1538 100 729 STARK-INDUSTRIES, GB 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 12375 3311 491 UNINET, MX 10620 3521 495 912 Telmex Colombia S.A., CO 13999 2539 351 665 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1347 2313 251 Claro NXT Telecomunicacoes Ltda, BR 3816 1314 788 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 19429 1232 216 21 ETB - Colombia, CO 11664 1164 176 432 Techtel LMDS Comunicaciones Interactiva 6503 1133 314 478 Axtel, S.A.B. de C.V., MX 28202 1122 52 9 Rede Brasileira de Comunicacao SA, BR 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 1549 545 28 RAYA-AS, EG 24863 1503 389 20 LINKdotNET-AS, EG 36992 1370 1519 282 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1204 76 65 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 37457 562 315 38 Telkom-Internet, ZA 6713 557 1861 35 IAM-AS, MA 36914 547 82 3 KENET-AS, KE 15399 539 55 49 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 12375 3311 491 UNINET, MX 9808 9880 8743 63 CHINAMOBILE-CN China Mobile Communicati 16509 9785 11353 3523 AMAZON-02, US 12479 7709 1708 144 UNI2-AS, ES 7545 5668 777 678 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5349 6630 838 COGENT-174, US 39891 4741 285 59 ALJAWWALSTC-AS, SA 18403 4615 347 23 FPT-AS-AP FPT Telecom Company, VN 11492 4597 305 618 CABLEONE, US 7155 4169 287 89 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 9880 9817 CHINAMOBILE-CN China Mobile Communications Grou 12479 7709 7565 UNI2-AS, ES 16509 9785 6262 AMAZON-02, US 7545 5668 4990 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4741 4682 ALJAWWALSTC-AS, SA 18403 4615 4592 FPT-AS-AP FPT Telecom Company, VN 174 5349 4511 COGENT-174, US 7155 4169 4080 VIASAT-SP-BACKBONE, US 11492 4597 3979 CABLEONE, US 7552 3881 3861 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 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 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 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 27.0.192.0/22 Origin: 138415 YANCYLIMITED-AS-HK Yancy Limited, HK 27.0.192.0/22 Transit: 3491 BTN-ASN, US 27.0.192.0/24 Origin: 138195 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR 27.0.192.0/24 Transit: 3786 LGDACOM LG DACOM Corporation, KR 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 /11:95 /12:299 /13:580 /14:1205 /15:2119 /16:13333 /17:8270 /18:13853 /19:24818 /20:43773 /21:51932 /22:112244 /23:102846 /24:587300 /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 6820 7709 UNI2-AS, ES 8151 6408 12375 UNINET, MX 11492 3510 4597 CABLEONE, US 39891 3424 4741 ALJAWWALSTC-AS, SA 6327 3410 3614 SHAW, CA 7155 3113 4169 VIASAT-SP-BACKBONE, US 22773 2595 3501 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2153 2499 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2134 3521 Telmex Colombia S.A., CO 8551 2110 2634 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2292 2:1495 3:331 4:6 5:4610 6:163 7:6 8:1507 9:1 11:172 12:1459 13:363 14:2367 15:317 16:209 17:366 18:765 20:371 21:4 22:188 23:6774 24:3107 25:2 27:2650 29:19 31:2592 32:53 34:63 35:128 36:2293 37:4501 38:8485 39:894 40:122 41:4390 42:2221 43:2385 44:320 45:17864 46:4528 47:306 49:1942 50:1935 51:577 52:1579 54:309 55:986 56:5 57:179 58:2054 59:1184 60:1031 61:2624 62:2768 63:1912 64:5698 65:2361 66:4779 67:3031 68:1350 69:4137 70:1355 71:585 72:2956 74:2623 75:1592 76:607 77:2605 78:1864 79:2504 80:2213 81:2040 82:1571 83:1343 84:1651 85:3165 86:846 87:2234 88:1293 89:4126 90:616 91:8223 92:2294 93:2697 94:3648 95:4162 96:1295 97:315 98:1043 99:742 100:73 101:1171 102:3632 103:32628 104:4868 105:1056 106:932 107:2790 108:1116 109:4085 110:2136 111:3249 112:2065 113:1802 114:1794 115:2109 116:1886 117:2624 118:2764 119:1971 120:1782 121:1274 122:2698 123:2226 124:1573 125:2854 126:32 128:1465 129:1005 130:1162 131:1912 132:813 133:410 134:1732 135:363 136:960 137:1046 138:3001 139:1541 140:1390 141:1371 142:1603 143:1530 144:983 145:358 146:2071 147:1871 148:2524 149:2750 150:1043 151:1350 152:2045 153:594 154:6668 155:1473 156:2369 157:1756 158:1149 159:2318 160:2734 161:1659 162:3585 163:1707 164:1677 165:2173 166:1169 167:1812 168:4036 169:822 170:5093 171:1001 172:3851 173:3071 174:895 175:1222 176:3694 177:5576 178:3767 179:2455 180:2351 181:3789 182:3393 183:2027 184:2276 185:20974 186:5423 187:4847 188:4184 189:4422 190:9684 191:1912 192:10978 193:9126 194:7550 195:5372 196:3369 197:2717 198:5976 199:7731 200:8306 201:6409 202:10323 203:10258 204:4593 205:3758 206:4474 207:3471 208:4163 209:5050 210:4462 211:2484 212:4305 213:3500 214:1064 215:50 216:6827 217:3057 218:1329 219:407 220:1819 221:1035 222:697 223:2205 End of report