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 01 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: 941425 Prefixes after maximum aggregation (per Origin AS): 350169 Deaggregation factor: 2.69 Unique aggregates announced (without unneeded subnets): 450853 Number of IPv4 prefixes with a valid ROA: 421668 Number of IPv4 prefixes with an invalid ROA: 1546 Number of IPv4 prefixes with no ROA: 518211 Total ASes present in the Internet Routing Table: 74495 Prefixes per ASN: 12.64 Origin-only ASes present in the Internet Routing Table: 64254 Origin ASes announcing only one prefix: 25881 Transit ASes present in the Internet Routing Table: 10241 Transit-only ASes present in the Internet Routing Table: 428 Paths with bogon ASNs present in the IPv4 Routing Table: 66 Average AS path length visible in the Internet Routing Table: 7.7 Max AS path length visible: 129 Max AS path prepend of ASN ( 37447) 127 Prefixes from unregistered ASNs in the Routing Table: 1057 Number of instances of unregistered ASNs: 1061 Number of 32-bit ASNs allocated by the RIRs: 42200 Number of 32-bit ASNs visible in the Routing Table: 34754 Prefixes from 32-bit ASNs in the Routing Table: 177689 Number of bogon 32-bit ASNs visible in the Routing Table: 30 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 564 Number of addresses announced to Internet: 3054279424 Equivalent to 182 /8s, 12 /16s and 155 /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: 318612 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 242434 Total APNIC prefixes after maximum aggregation: 68997 APNIC Deaggregation factor: 3.51 Prefixes being announced from the APNIC address blocks: 236297 Unique aggregates announced from the APNIC address blocks: 98308 APNIC Region origin ASes present in the Internet Routing Table: 13440 APNIC Prefixes per ASN: 17.58 APNIC Region origin ASes announcing only one prefix: 3964 APNIC Region transit ASes present in the Internet Routing Table: 1778 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: 8796 Number of APNIC addresses announced to Internet: 773074432 Equivalent to 46 /8s, 20 /16s and 46 /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: 275615 Total ARIN prefixes after maximum aggregation: 123354 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 278352 Unique aggregates announced from the ARIN address blocks: 130698 ARIN Region origin ASes present in the Internet Routing Table: 19097 ARIN Prefixes per ASN: 14.58 ARIN Region origin ASes announcing only one prefix: 6982 ARIN Region transit ASes present in the Internet Routing Table: 1880 Average ARIN Region AS path length visible: 7.4 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4804 Number of ARIN addresses announced to Internet: 1278654720 Equivalent to 76 /8s, 54 /16s and 185 /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: 263696 Total RIPE prefixes after maximum aggregation: 122831 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 259784 Unique aggregates announced from the RIPE address blocks: 159448 RIPE Region origin ASes present in the Internet Routing Table: 28374 RIPE Prefixes per ASN: 9.16 RIPE Region origin ASes announcing only one prefix: 12005 RIPE Region transit ASes present in the Internet Routing Table: 3796 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: 11242 Number of RIPE addresses announced to Internet: 717526272 Equivalent to 42 /8s, 196 /16s and 149 /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: 126589 Total LACNIC prefixes after maximum aggregation: 28398 LACNIC Deaggregation factor: 4.46 Prefixes being announced from the LACNIC address blocks: 125634 Unique aggregates announced from the LACNIC address blocks: 49516 LACNIC Region origin ASes present in the Internet Routing Table: 11011 LACNIC Prefixes per ASN: 11.41 LACNIC Region origin ASes announcing only one prefix: 2348 LACNIC Region transit ASes present in the Internet Routing Table: 2296 Average LACNIC Region AS path length visible: 8.3 Max LACNIC Region AS path length visible: 59 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8802 Number of LACNIC addresses announced to Internet: 176971008 Equivalent to 10 /8s, 140 /16s and 93 /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: 32034 Total AfriNIC prefixes after maximum aggregation: 5871 AfriNIC Deaggregation factor: 5.46 Prefixes being announced from the AfriNIC address blocks: 40794 Unique aggregates announced from the AfriNIC address blocks: 12417 AfriNIC Region origin ASes present in the Internet Routing Table: 1760 AfriNIC Prefixes per ASN: 23.18 AfriNIC Region origin ASes announcing only one prefix: 582 AfriNIC Region transit ASes present in the Internet Routing Table: 330 Average AfriNIC Region AS path length visible: 6.5 Max AfriNIC Region AS path length visible: 129 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1110 Number of AfriNIC addresses announced to Internet: 107723776 Equivalent to 6 /8s, 107 /16s and 188 /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 9504 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5682 784 695 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4230 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3673 1331 21 VIETEL-AS-AP Viettel Group, VN 45899 3462 1856 96 VNPT-AS-VN VNPT Corp, VN 7713 3426 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3047 498 251 BBIL-AP BHARTI Airtel Ltd., IN 24560 2434 837 441 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2309 11270 588 KIXS-AS-KR Korea Telecom, KR 4755 2152 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 8679 10888 3129 AMAZON-02, US 11492 4519 300 614 CABLEONE, US 7155 4163 286 84 VIASAT-SP-BACKBONE, US 174 3552 6657 618 COGENT-174, US 22773 3544 3037 267 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3524 1319 66 SHAW, CA 749 3124 54969 2376 DNIC-AS-00749, US 16625 3100 1539 2335 AKAMAI-AS, US 367 2733 3744 1309 DNIC-ASBLK-00306-00371, US 396982 2669 3594 380 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 7293 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4054 3398 157 AKAMAI-ASN1, NL 8551 3465 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2900 2292 912 ROSTELECOM-AS, RU 9009 2664 247 1382 M247, RO 34984 2307 361 609 TELLCOM-AS, TR 6849 1835 307 17 UKRTELNET, UA 58224 1831 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 11502 3371 598 UNINET, MX 10620 3529 507 843 Telmex Colombia S.A., CO 13999 2379 355 627 Mega Cable, S.A. de C.V., MX 11830 2269 369 64 Instituto Costarricense de Electricidad 28573 1317 2323 241 Claro NXT Telecomunicacoes Ltda, BR 6503 1304 344 511 Axtel, S.A.B. de C.V., MX 3816 1301 767 167 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1127 370 22 Telefonica del Peru S.A.A., PE 11664 1100 177 436 Techtel LMDS Comunicaciones Interactiva 26615 1035 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 1616 393 19 LINKdotNET-AS, EG 24835 1548 533 27 RAYA-AS, EG 36992 1313 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1038 67 46 ORANGE-COTE-IVOIRE, CI 36935 917 520 42 Vodafone-, EG 37457 812 319 46 Telkom-Internet, ZA 6713 551 1861 34 IAM-AS, MA 15399 532 54 43 WANANCHI-, KE 36914 516 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 11502 3371 598 UNINET, MX 9808 9504 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8679 10888 3129 AMAZON-02, US 12479 7293 1706 141 UNI2-AS, ES 7545 5682 784 695 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4519 300 614 CABLEONE, US 18403 4230 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4163 286 84 VIASAT-SP-BACKBONE, US 20940 4054 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 9504 9467 CHINAMOBILE-CN China Mobile Communications Grou 12479 7293 7152 UNI2-AS, ES 16509 8679 5550 AMAZON-02, US 7545 5682 4987 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4230 4205 FPT-AS-AP FPT Telecom Company, VN 7155 4163 4079 VIASAT-SP-BACKBONE, US 11492 4519 3905 CABLEONE, US 20940 4054 3897 AKAMAI-ASN1, NL 7552 3673 3652 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 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 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 /12:299 /13:576 /14:1208 /15:2135 /16:13539 /17:8321 /18:14015 /19:25288 /20:44001 /21:52374 /22:111054 /23:102117 /24:566327 /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 6381 7293 UNI2-AS, ES 8151 5428 11502 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3428 4519 CABLEONE, US 6327 3334 3524 SHAW, CA 7155 3115 4163 VIASAT-SP-BACKBONE, US 8551 2934 3465 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2612 3544 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2153 2498 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2088 3529 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) ---------------------------------------------- 1:2163 2:1329 3:226 4:5 5:4601 6:129 7:6 8:1558 9:1 11:172 12:1518 13:387 14:2312 15:301 16:196 17:374 18:499 20:264 21:4 22:188 23:6359 24:2993 25:6 27:2597 29:19 31:2534 32:84 34:23 35:113 36:1973 37:4689 38:6009 39:828 40:151 41:4420 42:2003 43:2356 44:305 45:17231 46:4442 47:377 49:1757 50:1881 51:586 52:1598 54:395 55:978 56:8 57:130 58:1889 59:1110 60:980 61:2565 62:2771 63:1914 64:5765 65:2339 66:5161 67:3098 68:1370 69:4149 70:1378 71:696 72:3058 74:2651 75:1595 76:609 77:2559 78:1879 79:2989 80:2137 81:1815 82:1523 83:1269 84:1547 85:3054 86:749 87:2111 88:1224 89:3821 90:614 91:7868 92:2040 93:2619 94:3635 95:4060 96:1307 97:341 98:1158 99:735 100:94 101:1313 102:3090 103:31747 104:4579 105:723 106:884 107:2573 108:1070 109:4248 110:2101 111:3133 112:2056 113:1747 114:1650 115:2047 116:1905 117:2570 118:2618 119:1981 120:1809 121:1089 122:2629 123:2162 124:1569 125:2474 128:1484 129:1122 130:1043 131:2044 132:851 133:422 134:1799 135:352 136:894 137:959 138:2698 139:1552 140:1250 141:1429 142:1465 143:1544 144:1106 145:342 146:1981 147:1598 148:2410 149:2275 150:886 151:1163 152:1992 153:564 154:4888 155:1404 156:1820 157:1319 158:1083 159:2264 160:2633 161:1524 162:3533 163:1566 164:1634 165:1922 166:1081 167:1726 168:4027 169:968 170:4834 171:897 172:3634 173:2979 174:1081 175:1204 176:3817 177:5453 178:3632 179:2474 180:2444 181:3524 182:3397 183:1979 184:2323 185:20612 186:5161 187:4430 188:4231 189:4052 190:9292 191:1761 192:10913 193:8958 194:7396 195:5209 196:3341 197:2674 198:5979 199:6119 200:8074 201:6054 202:10456 203:10276 204:4573 205:3700 206:4375 207:3471 208:4154 209:4970 210:4287 211:2450 212:4309 213:3656 214:1085 215:59 216:6736 217:2862 218:1292 219:418 220:1754 221:965 222:683 223:2160 End of report