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 14 Oct, 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: 947608 Prefixes after maximum aggregation (per Origin AS): 353570 Deaggregation factor: 2.68 Unique aggregates announced (without unneeded subnets): 453370 Number of IPv4 prefixes with a valid ROA: 436700 Number of IPv4 prefixes with an invalid ROA: 1589 Number of IPv4 prefixes with no ROA: 509319 Total ASes present in the Internet Routing Table: 74900 Prefixes per ASN: 12.65 Origin-only ASes present in the Internet Routing Table: 64559 Origin ASes announcing only one prefix: 26032 Transit ASes present in the Internet Routing Table: 10341 Transit-only ASes present in the Internet Routing Table: 453 Paths with bogon ASNs present in the IPv4 Routing Table: 94 Average AS path length visible in the Internet Routing Table: 7.9 Max AS path length visible: 59 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 1017 Number of instances of unregistered ASNs: 1020 Number of 32-bit ASNs allocated by the RIRs: 42843 Number of 32-bit ASNs visible in the Routing Table: 35220 Prefixes from 32-bit ASNs in the Routing Table: 181064 Number of bogon 32-bit ASNs visible in the Routing Table: 33 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 525 Number of addresses announced to Internet: 3050863616 Equivalent to 181 /8s, 216 /16s and 124 /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: 99.5 Total number of prefixes smaller than registry allocations: 319534 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 244572 Total APNIC prefixes after maximum aggregation: 70328 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 237966 Unique aggregates announced from the APNIC address blocks: 98824 APNIC Region origin ASes present in the Internet Routing Table: 13646 APNIC Prefixes per ASN: 17.44 APNIC Region origin ASes announcing only one prefix: 4091 APNIC Region transit ASes present in the Internet Routing Table: 1807 Average APNIC Region AS path length visible: 8.0 Max APNIC Region AS path length visible: 29 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9006 Number of APNIC addresses announced to Internet: 771129088 Equivalent to 45 /8s, 246 /16s and 127 /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: 277405 Total ARIN prefixes after maximum aggregation: 123906 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 281189 Unique aggregates announced from the ARIN address blocks: 132094 ARIN Region origin ASes present in the Internet Routing Table: 19101 ARIN Prefixes per ASN: 14.72 ARIN Region origin ASes announcing only one prefix: 6964 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: 4825 Number of ARIN addresses announced to Internet: 1277767168 Equivalent to 76 /8s, 41 /16s and 46 /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: 265461 Total RIPE prefixes after maximum aggregation: 124163 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 260576 Unique aggregates announced from the RIPE address blocks: 160423 RIPE Region origin ASes present in the Internet Routing Table: 28461 RIPE Prefixes per ASN: 9.16 RIPE Region origin ASes announcing only one prefix: 12077 RIPE Region transit ASes present in the Internet Routing Table: 3824 Average RIPE Region AS path length visible: 7.8 Max RIPE Region AS path length visible: 38 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11380 Number of RIPE addresses announced to Internet: 716438272 Equivalent to 42 /8s, 179 /16s and 251 /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: 127017 Total LACNIC prefixes after maximum aggregation: 28507 LACNIC Deaggregation factor: 4.46 Prefixes being announced from the LACNIC address blocks: 125838 Unique aggregates announced from the LACNIC address blocks: 49213 LACNIC Region origin ASes present in the Internet Routing Table: 11054 LACNIC Prefixes per ASN: 11.38 LACNIC Region origin ASes announcing only one prefix: 2312 LACNIC Region transit ASes present in the Internet Routing Table: 2325 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: 8872 Number of LACNIC addresses announced to Internet: 178450176 Equivalent to 10 /8s, 162 /16s and 239 /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: 32136 Total AfriNIC prefixes after maximum aggregation: 5954 AfriNIC Deaggregation factor: 5.40 Prefixes being announced from the AfriNIC address blocks: 41514 Unique aggregates announced from the AfriNIC address blocks: 12384 AfriNIC Region origin ASes present in the Internet Routing Table: 1790 AfriNIC Prefixes per ASN: 23.19 AfriNIC Region origin ASes announcing only one prefix: 588 AfriNIC Region transit ASes present in the Internet Routing Table: 333 Average AfriNIC Region AS path length visible: 7.4 Max AfriNIC Region AS path length visible: 31 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1137 Number of AfriNIC addresses announced to Internet: 106654720 Equivalent to 6 /8s, 91 /16s and 108 /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 9487 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5711 785 697 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4202 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3763 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3567 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3329 1840 96 VNPT-AS-VN VNPT Corp, VN 9498 3213 496 251 BBIL-AP BHARTI Airtel Ltd., IN 24560 2547 849 386 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2287 11269 604 KIXS-AS-KR Korea Telecom, KR 4755 2153 442 201 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 9156 11004 3250 AMAZON-02, US 11492 4539 301 672 CABLEONE, US 7155 4171 288 99 VIASAT-SP-BACKBONE, US 174 3904 6667 638 COGENT-174, US 6327 3546 1319 66 SHAW, CA 22773 3528 3055 303 ASN-CXA-ALL-CCI-22773-RDC, US 749 3161 54958 2413 DNIC-AS-00749, US 367 3051 3855 1424 DNIC-ASBLK-00306-00371, US 16625 3010 1401 2295 AKAMAI-AS, US 396982 2701 3597 397 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 7397 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4084 3398 151 AKAMAI-ASN1, NL 8551 3450 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3087 276 1506 M247, RO 12389 2896 2297 917 ROSTELECOM-AS, RU 34984 2333 362 594 TELLCOM-AS, TR 58224 1713 922 538 TCI, IR 13188 1607 100 26 TRIOLAN, UA 8452 1521 1852 15 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 11867 3381 605 UNINET, MX 10620 3538 504 860 Telmex Colombia S.A., CO 13999 2395 326 621 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1333 2324 232 Claro NXT Telecomunicacoes Ltda, BR 3816 1297 770 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1284 343 508 Axtel, S.A.B. de C.V., MX 6147 1111 369 22 Telefonica del Peru S.A.A., PE 28202 1099 52 9 Rede Brasileira de Comunicacao SA, BR 11664 1053 168 424 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 1605 393 19 LINKdotNET-AS, EG 24835 1549 549 28 RAYA-AS, EG 36992 1358 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1044 67 45 ORANGE-COTE-IVOIRE, CI 36935 938 521 44 Vodafone-, EG 37457 809 319 45 Telkom-Internet, ZA 6713 551 1861 34 IAM-AS, MA 15399 536 55 48 WANANCHI-, KE 36914 515 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 11867 3381 605 UNINET, MX 9808 9487 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9156 11004 3250 AMAZON-02, US 12479 7397 1713 145 UNI2-AS, ES 7545 5711 785 697 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4539 301 672 CABLEONE, US 18403 4202 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4171 288 99 VIASAT-SP-BACKBONE, US 20940 4084 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 9487 9447 CHINAMOBILE-CN China Mobile Communications Grou 12479 7397 7252 UNI2-AS, ES 16509 9156 5906 AMAZON-02, US 7545 5711 5014 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4202 4177 FPT-AS-AP FPT Telecom Company, VN 7155 4171 4072 VIASAT-SP-BACKBONE, US 20940 4084 3933 AKAMAI-ASN1, NL 11492 4539 3867 CABLEONE, US 7552 3763 3743 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 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, 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 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 /10:37 /11:101 /12:299 /13:579 /14:1201 /15:2112 /16:13535 /17:8351 /18:14018 /19:25207 /20:44182 /21:52273 /22:111508 /23:102894 /24:571281 /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 6483 7397 UNI2-AS, ES 8151 5887 11867 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3452 4539 CABLEONE, US 6327 3356 3546 SHAW, CA 7155 3117 4171 VIASAT-SP-BACKBONE, US 8551 2927 3450 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2581 3528 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2157 2501 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2112 3538 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) ---------------------------------------------- 1:2200 2:1439 3:266 4:5 5:4460 6:137 7:6 8:1524 9:1 11:172 12:1499 13:372 14:2310 15:303 16:200 17:366 18:660 20:314 21:4 22:188 23:6465 24:2925 25:2 27:2647 29:19 31:2578 32:82 34:26 35:116 36:1996 37:4549 38:6512 39:866 40:143 41:4440 42:2028 43:2321 44:328 45:17340 46:4346 47:371 49:1836 50:1904 51:580 52:1597 54:393 55:949 56:5 57:136 58:1860 59:1115 60:1006 61:2604 62:2774 63:1921 64:5815 65:2371 66:5094 67:3075 68:1353 69:4162 70:1352 71:648 72:3018 74:2648 75:1600 76:632 77:2416 78:1840 79:3008 80:2122 81:1856 82:1537 83:1326 84:1571 85:3098 86:758 87:2110 88:1260 89:3959 90:626 91:7976 92:2064 93:2645 94:3601 95:4092 96:1301 97:316 98:1100 99:735 100:91 101:1293 102:3234 103:32353 104:4760 105:727 106:907 107:2722 108:1144 109:4275 110:2135 111:3149 112:2058 113:1761 114:1705 115:2063 116:1924 117:2520 118:2701 119:1978 120:1782 121:1155 122:2635 123:2194 124:1574 125:2559 128:1480 129:925 130:1077 131:2057 132:876 133:408 134:1782 135:345 136:914 137:985 138:2844 139:1588 140:1304 141:1344 142:1529 143:1561 144:1007 145:350 146:1974 147:1619 148:2480 149:2395 150:892 151:1235 152:1986 153:594 154:5378 155:1403 156:2035 157:1353 158:1055 159:2203 160:2691 161:1601 162:3535 163:1637 164:1748 165:1896 166:1070 167:1757 168:4014 169:815 170:4866 171:956 172:3801 173:3010 174:991 175:1202 176:3844 177:5438 178:3578 179:2409 180:2470 181:3550 182:3379 183:1973 184:2277 185:20852 186:5038 187:4568 188:4276 189:4211 190:9394 191:1834 192:10977 193:8996 194:7368 195:5302 196:3283 197:2766 198:5991 199:6266 200:8200 201:6276 202:10435 203:10142 204:4570 205:3699 206:4412 207:3498 208:4152 209:4944 210:4310 211:2462 212:4326 213:3428 214:1100 215:70 216:6796 217:2868 218:1288 219:413 220:1796 221:986 222:663 223:2149 End of report