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 21 Dec, 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: 985265 Prefixes after maximum aggregation (per Origin AS): 368956 Deaggregation factor: 2.67 Unique aggregates announced (without unneeded subnets): 467727 Number of IPv4 prefixes with a valid ROA: 528666 Number of IPv4 prefixes with an invalid ROA: 762 Number of IPv4 prefixes with no ROA: 455837 Total ASes present in the Internet Routing Table: 76480 Prefixes per ASN: 12.88 Origin-only ASes present in the Internet Routing Table: 65689 Origin ASes announcing only one prefix: 26475 Transit ASes present in the Internet Routing Table: 10791 Transit-only ASes present in the Internet Routing Table: 519 Paths with bogon ASNs present in the IPv4 Routing Table: 62 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 75 Max AS path prepend of ASN ( 37447) 73 Prefixes from unregistered ASNs in the Routing Table: 1092 Number of instances of unregistered ASNs: 1097 Number of 32-bit ASNs allocated by the RIRs: 46007 Number of 32-bit ASNs visible in the Routing Table: 37596 Prefixes from 32-bit ASNs in the Routing Table: 201876 Number of bogon 32-bit ASNs visible in the Routing Table: 25 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 513 Number of addresses announced to Internet: 3116954624 Equivalent to 185 /8s, 200 /16s and 244 /24s Percentage of available address space announced: 84.2 Percentage of allocated address space announced: 84.2 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: 325221 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 254808 Total APNIC prefixes after maximum aggregation: 75529 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 247225 Unique aggregates announced from the APNIC address blocks: 102161 APNIC Region origin ASes present in the Internet Routing Table: 14430 APNIC Prefixes per ASN: 17.13 APNIC Region origin ASes announcing only one prefix: 4418 APNIC Region transit ASes present in the Internet Routing Table: 1893 Average APNIC Region AS path length visible: 5.4 Max APNIC Region AS path length visible: 40 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9924 Number of APNIC addresses announced to Internet: 756462080 Equivalent to 45 /8s, 22 /16s and 178 /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: 288481 Total ARIN prefixes after maximum aggregation: 125952 ARIN Deaggregation factor: 2.29 Prefixes being announced from the ARIN address blocks: 290687 Unique aggregates announced from the ARIN address blocks: 131384 ARIN Region origin ASes present in the Internet Routing Table: 19191 ARIN Prefixes per ASN: 15.15 ARIN Region origin ASes announcing only one prefix: 6981 ARIN Region transit ASes present in the Internet Routing Table: 1957 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5099 Number of ARIN addresses announced to Internet: 1345705216 Equivalent to 80 /8s, 53 /16s and 213 /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, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 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: 272786 Total RIPE prefixes after maximum aggregation: 130762 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 269339 Unique aggregates announced from the RIPE address blocks: 170245 RIPE Region origin ASes present in the Internet Routing Table: 28853 RIPE Prefixes per ASN: 9.33 RIPE Region origin ASes announcing only one prefix: 12089 RIPE Region transit ASes present in the Internet Routing Table: 3913 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 25 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12189 Number of RIPE addresses announced to Internet: 732788480 Equivalent to 43 /8s, 173 /16s and 119 /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, 53/8, 57/8, 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: 131720 Total LACNIC prefixes after maximum aggregation: 29359 LACNIC Deaggregation factor: 4.49 Prefixes being announced from the LACNIC address blocks: 129018 Unique aggregates announced from the LACNIC address blocks: 48798 LACNIC Region origin ASes present in the Internet Routing Table: 11185 LACNIC Prefixes per ASN: 11.53 LACNIC Region origin ASes announcing only one prefix: 2334 LACNIC Region transit ASes present in the Internet Routing Table: 2485 Average LACNIC Region AS path length visible: 5.5 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9112 Number of LACNIC addresses announced to Internet: 177498112 Equivalent to 10 /8s, 148 /16s and 104 /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: 36378 Total AfriNIC prefixes after maximum aggregation: 6667 AfriNIC Deaggregation factor: 5.46 Prefixes being announced from the AfriNIC address blocks: 48483 Unique aggregates announced from the AfriNIC address blocks: 14724 AfriNIC Region origin ASes present in the Internet Routing Table: 1914 AfriNIC Prefixes per ASN: 25.33 AfriNIC Region origin ASes announcing only one prefix: 653 AfriNIC Region transit ASes present in the Internet Routing Table: 367 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 75 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1272 Number of AfriNIC addresses announced to Internet: 104241408 Equivalent to 6 /8s, 54 /16s and 153 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 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 10092 8753 88 CHINAMOBILE-CN China Mobile Communication 7545 6190 842 659 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4450 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 4038 523 280 BBIL-AP BHARTI Airtel Ltd., IN 7552 3912 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3676 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3250 1869 100 VNPT-AS-VN VNPT Corp, VN 24560 2811 841 542 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2206 434 189 TATACOMM-AS TATA Communications formerly 45090 2171 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer 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 12484 38249 3010 AMAZON-02, US 174 6167 8765 886 COGENT-174, US 11492 4692 312 552 CABLEONE, US 7155 4165 287 85 VIASAT-SP-BACKBONE, US 6327 3611 1320 79 SHAW, CA 22773 3391 3033 185 ASN-CXA-ALL-CCI-22773-RDC, US 749 3261 54895 2508 DNIC-AS-00749, US 7018 3258 23510 2068 ATT-INTERNET4, US 16625 2934 1277 2161 AKAMAI-AS, US 396982 2892 3656 438 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 7705 1709 143 UNI2-AS, ES 39891 4750 290 62 ALJAWWALSTC-AS, SA 20940 3964 3395 125 AKAMAI-ASN1, NL 9009 3699 318 1871 M247, RO 12389 2955 2294 882 ROSTELECOM-AS, RU 34984 2351 360 577 TELLCOM-AS, TR 212238 1836 133 1351 CDNEXT, GB 8452 1626 1852 14 TE-AS TE-AS, EG 13188 1607 100 26 TRIOLAN, UA 62240 1496 98 749 CLOUVIDER Clouvider - Global ASN, 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 11550 3227 604 UNINET, MX 10620 3544 494 943 Telmex Colombia S.A., CO 13999 2538 541 372 Mega Cable, S.A. de C.V., MX 11830 1994 369 64 Instituto Costarricense de Electricidad y 28573 1332 2310 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1329 778 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1170 374 163 Axtel, S.A.B. de C.V., MX 28202 1124 52 9 Rede Brasileira de Comunicacao SA, BR 6147 1117 371 22 Telefonica del Peru S.A.A., PE 22884 1071 98 375 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 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 1651 389 16 LINKdotNET-AS, EG 24835 1649 593 29 RAYA-AS, EG 29571 1464 93 59 ORANGE-COTE-IVOIRE, CI 36992 1425 1518 287 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 20011 1236 193 304 INTERNET-SOLUTIONS, ZA 36935 999 520 40 Vodafone-, EG 37069 845 1083 15 MOBINIL, EG 6713 556 1861 35 IAM-AS, MA 36914 538 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 16509 12484 38249 3010 AMAZON-02, US 8151 11550 3227 604 UNINET, MX 9808 10092 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7705 1709 143 UNI2-AS, ES 7545 6190 842 659 TPG-INTERNET-AP TPG Telecom Limited, AU 174 6167 8765 886 COGENT-174, US 39891 4750 290 62 ALJAWWALSTC-AS, SA 11492 4692 312 552 CABLEONE, US 18403 4450 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4165 287 85 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 8151 11550 10946 UNINET, MX 9808 10092 10004 CHINAMOBILE-CN China Mobile Communications Grou 12479 7705 7562 UNI2-AS, ES 7545 6190 5531 TPG-INTERNET-AP TPG Telecom Limited, AU 174 6167 5281 COGENT-174, US 39891 4750 4688 ALJAWWALSTC-AS, SA 18403 4450 4427 FPT-AS-AP FPT Telecom Company, VN 11492 4692 4140 CABLEONE, US 7155 4165 4080 VIASAT-SP-BACKBONE, US 7552 3912 3887 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 400866 UNALLOCATED 2.59.148.0/23 21859 ZEN-ECN, US 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-D 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 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, 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 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 6939 HURRICANE, US 23.131.36.0/24 Origin: 401227 JOULEWORKS-MA, US 23.131.36.0/24 Transit: 21700 NEPTUNE-NETWORKS, US 23.132.192.0/24 Origin: 30500 WOLFPAWSERVICES, CA 23.132.192.0/24 Transit: 6939 HURRICANE, US 23.140.16.0/24 Origin: 63371 RESERVED, ZZ 23.140.16.0/24 Transit: 3356 LEVEL3, US 23.140.48.0/24 Origin: 63371 RESERVED, ZZ 23.140.48.0/24 Transit: 7018 ATT-INTERNET4, US 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 /9:16 /10:42 /11:93 /12:311 /13:592 /14:1236 /15:2196 /16:14035 /17:8312 /18:13868 /19:24797 /20:44369 /21:52573 /22:112998 /23:103947 /24:605864 /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 6677 7705 UNI2-AS, ES 8151 5723 11550 UNINET, MX 11492 3555 4692 CABLEONE, US 39891 3441 4750 ALJAWWALSTC-AS, SA 6327 3408 3611 SHAW, CA 7155 3113 4165 VIASAT-SP-BACKBONE, US 22773 2526 3391 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2251 12484 AMAZON-02, US 30036 2222 2561 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2174 3544 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) ---------------------------------------------- 1:2296 2:1570 3:529 4:8 5:4786 6:163 7:6 8:1546 9:2 11:172 12:1395 13:357 14:2469 15:332 16:268 17:360 18:899 20:453 21:4 22:188 23:7229 24:2767 25:2 27:2684 29:19 31:3083 32:46 34:73 35:176 36:2398 37:4522 38:10256 39:881 40:153 41:4419 42:2082 43:2519 44:340 45:18696 46:4992 47:297 49:2006 50:1879 51:587 52:1575 54:315 55:1033 56:8 57:243 58:2211 59:1182 60:1155 61:2874 62:2958 63:1842 64:5422 65:2234 66:4715 67:3057 68:1287 69:4024 70:1109 71:604 72:2930 74:2805 75:1638 76:631 77:2708 78:1860 79:1697 80:2226 81:2061 82:1791 83:1406 84:1801 85:3204 86:974 87:2427 88:1283 89:4364 90:760 91:8354 92:2745 93:2847 94:3855 95:4218 96:1248 97:308 98:1066 99:732 100:71 101:1416 102:3870 103:32390 104:4475 105:1112 106:1009 107:2605 108:1184 109:4080 110:2226 111:3277 112:2045 113:1828 114:1940 115:2205 116:2030 117:2676 118:2809 119:1975 120:1864 121:1338 122:2744 123:2184 124:1591 125:2809 126:62 128:1605 129:1015 130:1289 131:1915 132:806 133:450 134:1507 135:369 136:1344 137:1108 138:3077 139:1545 140:1513 141:1458 142:1844 143:1613 144:1007 145:413 146:2132 147:2027 148:2586 149:2894 150:1161 151:1475 152:2124 153:570 154:7940 155:1585 156:2927 157:1865 158:1250 159:2430 160:3495 161:1780 162:3622 163:1795 164:1710 165:2175 166:1347 167:1886 168:4246 169:805 170:5292 171:997 172:4024 173:3217 174:914 175:1285 176:3588 177:5548 178:3810 179:2436 180:2580 181:4096 182:3357 183:2064 184:2269 185:21477 186:5407 187:4599 188:4252 189:4335 190:9838 191:2001 192:11216 193:9332 194:7739 195:5501 196:3499 197:3729 198:6034 199:8294 200:8516 201:6411 202:10423 203:10624 204:4635 205:3657 206:4650 207:3503 208:4225 209:5119 210:4591 211:2510 212:4524 213:3815 214:1050 215:48 216:6625 217:3141 218:1342 219:385 220:2105 221:1054 222:672 223:2293 End of report