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 19 Aug, 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: 943268 Prefixes after maximum aggregation (per Origin AS): 351350 Deaggregation factor: 2.68 Unique aggregates announced (without unneeded subnets): 452018 Number of IPv4 prefixes with a valid ROA: 428907 Number of IPv4 prefixes with an invalid ROA: 1417 Number of IPv4 prefixes with no ROA: 512944 Total ASes present in the Internet Routing Table: 74688 Prefixes per ASN: 12.63 Origin-only ASes present in the Internet Routing Table: 64367 Origin ASes announcing only one prefix: 25889 Transit ASes present in the Internet Routing Table: 10321 Transit-only ASes present in the Internet Routing Table: 437 Paths with bogon ASNs present in the IPv4 Routing Table: 78 Average AS path length visible in the Internet Routing Table: 7.8 Max AS path length visible: 131 Max AS path prepend of ASN ( 37447) 129 Prefixes from unregistered ASNs in the Routing Table: 1028 Number of instances of unregistered ASNs: 1030 Number of 32-bit ASNs allocated by the RIRs: 42466 Number of 32-bit ASNs visible in the Routing Table: 34969 Prefixes from 32-bit ASNs in the Routing Table: 179172 Number of bogon 32-bit ASNs visible in the Routing Table: 31 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 537 Number of addresses announced to Internet: 3051870976 Equivalent to 181 /8s, 231 /16s and 219 /24s Percentage of available address space announced: 82.4 Percentage of allocated address space announced: 82.4 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: 318677 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243564 Total APNIC prefixes after maximum aggregation: 69734 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 237119 Unique aggregates announced from the APNIC address blocks: 98597 APNIC Region origin ASes present in the Internet Routing Table: 13548 APNIC Prefixes per ASN: 17.50 APNIC Region origin ASes announcing only one prefix: 3999 APNIC Region transit ASes present in the Internet Routing Table: 1798 Average APNIC Region AS path length visible: 7.9 Max APNIC Region AS path length visible: 30 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8903 Number of APNIC addresses announced to Internet: 772877312 Equivalent to 46 /8s, 17 /16s and 44 /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: 276158 Total ARIN prefixes after maximum aggregation: 123759 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 278633 Unique aggregates announced from the ARIN address blocks: 130914 ARIN Region origin ASes present in the Internet Routing Table: 19096 ARIN Prefixes per ASN: 14.59 ARIN Region origin ASes announcing only one prefix: 6965 ARIN Region transit ASes present in the Internet Routing Table: 1884 Average ARIN Region AS path length visible: 7.7 Max ARIN Region AS path length visible: 29 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4819 Number of ARIN addresses announced to Internet: 1275952896 Equivalent to 76 /8s, 13 /16s and 127 /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: 263916 Total RIPE prefixes after maximum aggregation: 122704 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 260470 Unique aggregates announced from the RIPE address blocks: 159909 RIPE Region origin ASes present in the Internet Routing Table: 28419 RIPE Prefixes per ASN: 9.17 RIPE Region origin ASes announcing only one prefix: 12012 RIPE Region transit ASes present in the Internet Routing Table: 3820 Average RIPE Region AS path length visible: 7.7 Max RIPE Region AS path length visible: 38 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11305 Number of RIPE addresses announced to Internet: 716512000 Equivalent to 42 /8s, 181 /16s and 27 /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: 126181 Total LACNIC prefixes after maximum aggregation: 28504 LACNIC Deaggregation factor: 4.43 Prefixes being announced from the LACNIC address blocks: 125129 Unique aggregates announced from the LACNIC address blocks: 49603 LACNIC Region origin ASes present in the Internet Routing Table: 11010 LACNIC Prefixes per ASN: 11.37 LACNIC Region origin ASes announcing only one prefix: 2339 LACNIC Region transit ASes present in the Internet Routing Table: 2322 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: 8823 Number of LACNIC addresses announced to Internet: 178489600 Equivalent to 10 /8s, 163 /16s and 137 /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: 32421 Total AfriNIC prefixes after maximum aggregation: 5938 AfriNIC Deaggregation factor: 5.46 Prefixes being announced from the AfriNIC address blocks: 41380 Unique aggregates announced from the AfriNIC address blocks: 12549 AfriNIC Region origin ASes present in the Internet Routing Table: 1777 AfriNIC Prefixes per ASN: 23.29 AfriNIC Region origin ASes announcing only one prefix: 574 AfriNIC Region transit ASes present in the Internet Routing Table: 335 Average AfriNIC Region AS path length visible: 6.5 Max AfriNIC Region AS path length visible: 131 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1119 Number of AfriNIC addresses announced to Internet: 107653376 Equivalent to 6 /8s, 106 /16s and 169 /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 9519 8705 38 CHINAMOBILE-CN China Mobile Communicati 7545 5698 784 683 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4347 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3730 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3568 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3436 1840 98 VNPT-AS-VN VNPT Corp, VN 9498 3088 498 250 BBIL-AP BHARTI Airtel Ltd., IN 24560 2483 844 410 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2304 11270 588 KIXS-AS-KR Korea Telecom, KR 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 8838 10967 3205 AMAZON-02, US 11492 4527 300 624 CABLEONE, US 7155 4178 288 100 VIASAT-SP-BACKBONE, US 174 3613 6654 613 COGENT-174, US 22773 3553 3056 292 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3527 1319 66 SHAW, CA 749 3146 54960 2398 DNIC-AS-00749, US 16625 3055 1488 2305 AKAMAI-AS, US 367 2977 3824 1405 DNIC-ASBLK-00306-00371, US 396982 2684 3596 386 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 7343 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4055 3398 151 AKAMAI-ASN1, NL 8551 3460 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2909 2296 920 ROSTELECOM-AS, RU 9009 2683 248 1386 M247, RO 34984 2321 362 599 TELLCOM-AS, TR 58224 1817 943 536 TCI, IR 13188 1607 100 26 TRIOLAN, UA 61317 1524 102 1190 ASDETUK www.heficed.com, US 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 11601 3358 605 UNINET, MX 10620 3528 506 848 Telmex Colombia S.A., CO 13999 2438 365 643 Mega Cable, S.A. de C.V., MX 11830 1997 369 64 Instituto Costarricense de Electricidad 28573 1315 2324 233 Claro NXT Telecomunicacoes Ltda, BR 3816 1289 757 188 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1271 344 510 Axtel, S.A.B. de C.V., MX 28202 1116 52 9 Rede Brasileira de Comunicacao SA, BR 6147 1114 370 22 Telefonica del Peru S.A.A., PE 11664 1112 181 434 Techtel LMDS Comunicaciones Interactiva 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 1594 393 19 LINKdotNET-AS, EG 24835 1517 533 27 RAYA-AS, EG 36992 1356 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1051 67 45 ORANGE-COTE-IVOIRE, CI 36935 922 521 43 Vodafone-, EG 37457 817 319 45 Telkom-Internet, ZA 6713 550 1861 34 IAM-AS, MA 15399 533 54 44 WANANCHI-, KE 36914 522 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 11601 3358 605 UNINET, MX 9808 9519 8705 38 CHINAMOBILE-CN China Mobile Communicati 16509 8838 10967 3205 AMAZON-02, US 12479 7343 1713 145 UNI2-AS, ES 7545 5698 784 683 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4527 300 624 CABLEONE, US 18403 4347 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4178 288 100 VIASAT-SP-BACKBONE, US 20940 4055 3398 151 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 9519 9481 CHINAMOBILE-CN China Mobile Communications Grou 12479 7343 7198 UNI2-AS, ES 16509 8838 5633 AMAZON-02, US 7545 5698 5015 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4347 4322 FPT-AS-AP FPT Telecom Company, VN 7155 4178 4078 VIASAT-SP-BACKBONE, US 20940 4055 3904 AKAMAI-ASN1, NL 11492 4527 3903 CABLEONE, US 7552 3730 3709 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 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 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 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 36.255.139.0/24 Origin: 56050 NEW-SHINE-INTERNET-TH 134 Yenchit Road, 36.255.139.0/24 Transit: 58913 HCL-TH 4819 Supapong 3 Alley, Srinakarin 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 /10:38 /11:102 /12:296 /13:574 /14:1204 /15:2128 /16:13577 /17:8341 /18:14044 /19:25256 /20:44306 /21:52331 /22:111180 /23:102607 /24:567254 /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 6429 7343 UNI2-AS, ES 8151 5644 11601 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3437 4527 CABLEONE, US 6327 3337 3527 SHAW, CA 7155 3124 4178 VIASAT-SP-BACKBONE, US 8551 2928 3460 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2601 3553 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2160 2503 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2092 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) ---------------------------------------------- 1:2206 2:1375 3:227 4:5 5:4629 6:138 7:6 8:1539 9:1 11:172 12:1508 13:379 14:2308 15:302 16:197 17:373 18:602 20:287 21:4 22:188 23:6391 24:3033 25:6 27:2608 29:19 31:2551 32:85 34:25 35:116 36:1987 37:4625 38:6207 39:857 40:147 41:4527 42:2088 43:2329 44:324 45:17194 46:4401 47:384 49:1794 50:1881 51:593 52:1599 54:392 55:968 56:8 57:130 58:1889 59:1112 60:997 61:2568 62:2793 63:1924 64:5747 65:2370 66:5045 67:3042 68:1341 69:4118 70:1361 71:665 72:3024 74:2658 75:1602 76:616 77:2567 78:1850 79:2987 80:2144 81:1829 82:1514 83:1295 84:1531 85:3020 86:759 87:2077 88:1229 89:3873 90:619 91:7917 92:2072 93:2612 94:3558 95:4029 96:1298 97:318 98:1102 99:734 100:90 101:1316 102:3244 103:32090 104:4566 105:732 106:881 107:2560 108:1140 109:4288 110:2113 111:3140 112:2071 113:1753 114:1660 115:2056 116:1921 117:2531 118:2695 119:1983 120:1789 121:1101 122:2602 123:2169 124:1570 125:2477 128:1487 129:1116 130:1062 131:2054 132:856 133:420 134:1793 135:349 136:911 137:981 138:2794 139:1550 140:1257 141:1293 142:1483 143:1538 144:998 145:340 146:1977 147:1624 148:2427 149:2190 150:885 151:1204 152:1996 153:586 154:5027 155:1391 156:1955 157:1332 158:1085 159:2234 160:2678 161:1560 162:3527 163:1611 164:1736 165:1896 166:1003 167:1731 168:4011 169:924 170:4807 171:904 172:3656 173:2989 174:995 175:1203 176:3838 177:5374 178:3566 179:2404 180:2446 181:3526 182:3414 183:1984 184:2306 185:20732 186:5027 187:4500 188:4262 189:3984 190:9325 191:1825 192:10948 193:8974 194:7362 195:5256 196:3307 197:2769 198:5986 199:6098 200:8017 201:6108 202:10450 203:10170 204:4559 205:3670 206:4354 207:3469 208:4130 209:4946 210:4280 211:2455 212:4289 213:3616 214:1088 215:60 216:6750 217:2860 218:1283 219:417 220:1790 221:978 222:664 223:2153 End of report