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 08 Jul, 2023 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: 941903 Prefixes after maximum aggregation (per Origin AS): 350585 Deaggregation factor: 2.69 Unique aggregates announced (without unneeded subnets): 451296 Number of IPv4 prefixes with a valid ROA: 422516 Number of IPv4 prefixes with an invalid ROA: 1556 Number of IPv4 prefixes with no ROA: 517831 Total ASes present in the Internet Routing Table: 74521 Prefixes per ASN: 12.64 Origin-only ASes present in the Internet Routing Table: 64221 Origin ASes announcing only one prefix: 25879 Transit ASes present in the Internet Routing Table: 10300 Transit-only ASes present in the Internet Routing Table: 438 Paths with bogon ASNs present in the IPv4 Routing Table: 72 Average AS path length visible in the Internet Routing Table: 7.8 Max AS path length visible: 129 Max AS path prepend of ASN ( 37447) 127 Prefixes from unregistered ASNs in the Routing Table: 1052 Number of instances of unregistered ASNs: 1056 Number of 32-bit ASNs allocated by the RIRs: 42264 Number of 32-bit ASNs visible in the Routing Table: 34779 Prefixes from 32-bit ASNs in the Routing Table: 178188 Number of bogon 32-bit ASNs visible in the Routing Table: 35 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 554 Number of addresses announced to Internet: 3055518720 Equivalent to 182 /8s, 31 /16s and 132 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 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: 318719 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 242462 Total APNIC prefixes after maximum aggregation: 69123 APNIC Deaggregation factor: 3.51 Prefixes being announced from the APNIC address blocks: 236277 Unique aggregates announced from the APNIC address blocks: 98419 APNIC Region origin ASes present in the Internet Routing Table: 13451 APNIC Prefixes per ASN: 17.57 APNIC Region origin ASes announcing only one prefix: 3976 APNIC Region transit ASes present in the Internet Routing Table: 1779 Average APNIC Region AS path length visible: 7.9 Max APNIC Region AS path length visible: 29 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8806 Number of APNIC addresses announced to Internet: 773092096 Equivalent to 46 /8s, 20 /16s and 115 /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: 275654 Total ARIN prefixes after maximum aggregation: 123510 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 278320 Unique aggregates announced from the ARIN address blocks: 130866 ARIN Region origin ASes present in the Internet Routing Table: 19095 ARIN Prefixes per ASN: 14.58 ARIN Region origin ASes announcing only one prefix: 6971 ARIN Region transit ASes present in the Internet Routing Table: 1898 Average ARIN Region AS path length visible: 7.5 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4809 Number of ARIN addresses announced to Internet: 1278809088 Equivalent to 76 /8s, 57 /16s and 20 /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: 264029 Total RIPE prefixes after maximum aggregation: 122882 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 260172 Unique aggregates announced from the RIPE address blocks: 159595 RIPE Region origin ASes present in the Internet Routing Table: 28382 RIPE Prefixes per ASN: 9.17 RIPE Region origin ASes announcing only one prefix: 12014 RIPE Region transit ASes present in the Internet Routing Table: 3814 Average RIPE Region AS path length visible: 7.7 Max RIPE Region AS path length visible: 37 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11247 Number of RIPE addresses announced to Internet: 717362176 Equivalent to 42 /8s, 194 /16s and 20 /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 196608-213403 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: 126634 Total LACNIC prefixes after maximum aggregation: 28474 LACNIC Deaggregation factor: 4.45 Prefixes being announced from the LACNIC address blocks: 125684 Unique aggregates announced from the LACNIC address blocks: 49498 LACNIC Region origin ASes present in the Internet Routing Table: 11012 LACNIC Prefixes per ASN: 11.41 LACNIC Region origin ASes announcing only one prefix: 2340 LACNIC Region transit ASes present in the Internet Routing Table: 2310 Average LACNIC Region AS path length visible: 8.4 Max LACNIC Region AS path length visible: 59 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8808 Number of LACNIC addresses announced to Internet: 178426624 Equivalent to 10 /8s, 162 /16s and 147 /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: 32072 Total AfriNIC prefixes after maximum aggregation: 5880 AfriNIC Deaggregation factor: 5.45 Prefixes being announced from the AfriNIC address blocks: 40896 Unique aggregates announced from the AfriNIC address blocks: 12456 AfriNIC Region origin ASes present in the Internet Routing Table: 1760 AfriNIC Prefixes per ASN: 23.24 AfriNIC Region origin ASes announcing only one prefix: 578 AfriNIC Region transit ASes present in the Internet Routing Table: 334 Average AfriNIC Region AS path length visible: 6.6 Max AfriNIC Region AS path length visible: 129 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1109 Number of AfriNIC addresses announced to Internet: 107502336 Equivalent to 6 /8s, 104 /16s and 91 /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 9514 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5683 784 691 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4218 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3692 1331 21 VIETEL-AS-AP Viettel Group, VN 45899 3463 1856 96 VNPT-AS-VN VNPT Corp, VN 7713 3430 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3046 498 250 BBIL-AP BHARTI Airtel Ltd., IN 24560 2442 836 445 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2306 11270 588 KIXS-AS-KR Korea Telecom, KR 4755 2151 442 198 TATACOMM-AS TATA Communications formerl 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 8693 10905 3128 AMAZON-02, US 11492 4522 300 614 CABLEONE, US 7155 4164 286 84 VIASAT-SP-BACKBONE, US 22773 3544 3038 268 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3525 1319 66 SHAW, CA 174 3486 6657 611 COGENT-174, US 749 3142 54962 2394 DNIC-AS-00749, US 16625 3110 1539 2341 AKAMAI-AS, US 367 2742 3741 1311 DNIC-ASBLK-00306-00371, US 396982 2674 3594 384 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 7304 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4057 3398 157 AKAMAI-ASN1, NL 8551 3466 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2902 2294 913 ROSTELECOM-AS, RU 9009 2663 247 1384 M247, RO 34984 2307 361 609 TELLCOM-AS, TR 6849 1835 307 17 UKRTELNET, UA 58224 1832 946 535 TCI, IR 13188 1607 100 26 TRIOLAN, UA 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 11558 3376 596 UNINET, MX 10620 3531 507 841 Telmex Colombia S.A., CO 13999 2404 360 631 Mega Cable, S.A. de C.V., MX 11830 2225 369 64 Instituto Costarricense de Electricidad 28573 1317 2324 238 Claro NXT Telecomunicacoes Ltda, BR 6503 1303 344 511 Axtel, S.A.B. de C.V., MX 3816 1301 767 167 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1131 370 22 Telefonica del Peru S.A.A., PE 11664 1102 177 437 Techtel LMDS Comunicaciones Interactiva 26615 1036 2500 47 TIM 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 24863 1617 393 19 LINKdotNET-AS, EG 24835 1548 533 27 RAYA-AS, EG 36992 1314 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1052 67 45 ORANGE-COTE-IVOIRE, CI 36935 923 521 44 Vodafone-, EG 37457 812 319 46 Telkom-Internet, ZA 6713 550 1861 34 IAM-AS, MA 15399 532 54 43 WANANCHI-, KE 36914 525 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 11558 3376 596 UNINET, MX 9808 9514 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8693 10905 3128 AMAZON-02, US 12479 7304 1706 141 UNI2-AS, ES 7545 5683 784 691 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4522 300 614 CABLEONE, US 18403 4218 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4164 286 84 VIASAT-SP-BACKBONE, US 20940 4057 3398 157 AKAMAI-ASN1, NL 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 9514 9477 CHINAMOBILE-CN China Mobile Communications Grou 12479 7304 7163 UNI2-AS, ES 16509 8693 5565 AMAZON-02, US 7545 5683 4992 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4218 4193 FPT-AS-AP FPT Telecom Company, VN 7155 4164 4080 VIASAT-SP-BACKBONE, US 11492 4522 3908 CABLEONE, US 20940 4057 3900 AKAMAI-ASN1, NL 7552 3692 3671 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 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 19695 UNALLOCATED 8.20.161.0/24 46887 LIGHTOWER, 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 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 18798 UNALLOCATED 8.40.106.0/24 6461 ZAYO-6461, 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 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 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 /10:38 /11:103 /12:297 /13:575 /14:1210 /15:2138 /16:13543 /17:8318 /18:14025 /19:25283 /20:44186 /21:52361 /22:111040 /23:102248 /24:566508 /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 6392 7304 UNI2-AS, ES 8151 5478 11558 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3431 4522 CABLEONE, US 6327 3335 3525 SHAW, CA 7155 3116 4164 VIASAT-SP-BACKBONE, US 8551 2935 3466 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2611 3544 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2155 2500 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2089 3531 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) ---------------------------------------------- 1:2159 2:1343 3:228 4:5 5:4590 6:130 7:6 8:1557 9:1 11:172 12:1517 13:387 14:2314 15:301 16:196 17:373 18:502 20:266 21:4 22:188 23:6356 24:2926 25:6 27:2584 29:19 31:2546 32:83 34:23 35:113 36:1962 37:4704 38:6034 39:828 40:152 41:4448 42:1995 43:2355 44:309 45:17253 46:4443 47:376 49:1759 50:1879 51:585 52:1593 54:395 55:973 56:8 57:128 58:1888 59:1113 60:983 61:2572 62:2756 63:1913 64:5773 65:2335 66:5154 67:3077 68:1368 69:4127 70:1376 71:695 72:3059 74:2648 75:1598 76:613 77:2567 78:1885 79:2984 80:2151 81:1815 82:1512 83:1274 84:1540 85:3046 86:770 87:2108 88:1221 89:3872 90:615 91:7890 92:2053 93:2620 94:3647 95:4076 96:1307 97:340 98:1158 99:736 100:94 101:1313 102:3117 103:31811 104:4579 105:724 106:884 107:2559 108:1093 109:4268 110:2098 111:3136 112:2062 113:1758 114:1648 115:2049 116:1903 117:2572 118:2616 119:1979 120:1793 121:1090 122:2581 123:2160 124:1569 125:2461 128:1477 129:1121 130:1044 131:2051 132:856 133:422 134:1799 135:351 136:895 137:961 138:2704 139:1555 140:1254 141:1370 142:1474 143:1554 144:1038 145:343 146:1971 147:1592 148:2433 149:2243 150:891 151:1168 152:1990 153:566 154:4878 155:1388 156:1833 157:1320 158:1088 159:2267 160:2656 161:1566 162:3537 163:1575 164:1633 165:1920 166:1067 167:1726 168:4031 169:966 170:4853 171:889 172:3639 173:2980 174:1083 175:1213 176:3833 177:5449 178:3633 179:2491 180:2442 181:3525 182:3393 183:1985 184:2323 185:20655 186:5087 187:4433 188:4235 189:4031 190:9303 191:1772 192:10924 193:8970 194:7402 195:5226 196:3345 197:2679 198:5966 199:6127 200:8113 201:6018 202:10483 203:10270 204:4587 205:3705 206:4374 207:3460 208:4160 209:4963 210:4285 211:2455 212:4295 213:3647 214:1082 215:59 216:6724 217:2860 218:1293 219:420 220:1759 221:967 222:682 223:2161 End of report