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 Oct, 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: 976811 Prefixes after maximum aggregation (per Origin AS): 366833 Deaggregation factor: 2.66 Unique aggregates announced (without unneeded subnets): 468245 Number of IPv4 prefixes with a valid ROA: 518179 Number of IPv4 prefixes with an invalid ROA: 573 Number of IPv4 prefixes with no ROA: 458059 Total ASes present in the Internet Routing Table: 76291 Prefixes per ASN: 12.80 Origin-only ASes present in the Internet Routing Table: 65522 Origin ASes announcing only one prefix: 26496 Transit ASes present in the Internet Routing Table: 10769 Transit-only ASes present in the Internet Routing Table: 515 Paths with bogon ASNs present in the IPv4 Routing Table: 96 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 61 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1026 Number of instances of unregistered ASNs: 1037 Number of 32-bit ASNs allocated by the RIRs: 45584 Number of 32-bit ASNs visible in the Routing Table: 37263 Prefixes from 32-bit ASNs in the Routing Table: 198206 Number of bogon 32-bit ASNs visible in the Routing Table: 50 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 542 Number of addresses announced to Internet: 3027399936 Equivalent to 180 /8s, 114 /16s and 117 /24s Percentage of available address space announced: 81.8 Percentage of allocated address space announced: 81.8 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: 323839 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 253671 Total APNIC prefixes after maximum aggregation: 74866 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 245663 Unique aggregates announced from the APNIC address blocks: 100973 APNIC Region origin ASes present in the Internet Routing Table: 14338 APNIC Prefixes per ASN: 17.13 APNIC Region origin ASes announcing only one prefix: 4374 APNIC Region transit ASes present in the Internet Routing Table: 1894 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 40 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9814 Number of APNIC addresses announced to Internet: 756067584 Equivalent to 45 /8s, 16 /16s and 173 /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: 285248 Total ARIN prefixes after maximum aggregation: 126089 ARIN Deaggregation factor: 2.26 Prefixes being announced from the ARIN address blocks: 288833 Unique aggregates announced from the ARIN address blocks: 135403 ARIN Region origin ASes present in the Internet Routing Table: 19159 ARIN Prefixes per ASN: 15.08 ARIN Region origin ASes announcing only one prefix: 6971 ARIN Region transit ASes present in the Internet Routing Table: 1958 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 31 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5040 Number of ARIN addresses announced to Internet: 1266849024 Equivalent to 75 /8s, 130 /16s and 149 /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, 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: 271523 Total RIPE prefixes after maximum aggregation: 129621 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 267962 Unique aggregates announced from the RIPE address blocks: 168586 RIPE Region origin ASes present in the Internet Routing Table: 28829 RIPE Prefixes per ASN: 9.29 RIPE Region origin ASes announcing only one prefix: 12130 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: 24 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12089 Number of RIPE addresses announced to Internet: 722434560 Equivalent to 43 /8s, 15 /16s and 122 /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: 129967 Total LACNIC prefixes after maximum aggregation: 28938 LACNIC Deaggregation factor: 4.49 Prefixes being announced from the LACNIC address blocks: 127477 Unique aggregates announced from the LACNIC address blocks: 48537 LACNIC Region origin ASes present in the Internet Routing Table: 11159 LACNIC Prefixes per ASN: 11.42 LACNIC Region origin ASes announcing only one prefix: 2368 LACNIC Region transit ASes present in the Internet Routing Table: 2472 Average LACNIC Region AS path length visible: 5.5 Max LACNIC Region AS path length visible: 61 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9060 Number of LACNIC addresses announced to Internet: 177509632 Equivalent to 10 /8s, 148 /16s and 149 /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: 35376 Total AfriNIC prefixes after maximum aggregation: 6655 AfriNIC Deaggregation factor: 5.32 Prefixes being announced from the AfriNIC address blocks: 46334 Unique aggregates announced from the AfriNIC address blocks: 14305 AfriNIC Region origin ASes present in the Internet Routing Table: 1899 AfriNIC Prefixes per ASN: 24.40 AfriNIC Region origin ASes announcing only one prefix: 653 AfriNIC Region transit ASes present in the Internet Routing Table: 370 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 60 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1260 Number of AfriNIC addresses announced to Internet: 104259072 Equivalent to 6 /8s, 54 /16s and 222 /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 10068 8750 79 CHINAMOBILE-CN China Mobile Communication 7545 5974 840 653 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4532 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3966 1331 25 VIETEL-AS-AP Viettel Group, VN 9498 3839 511 264 BBIL-AP BHARTI Airtel Ltd., IN 7713 3646 1036 71 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3251 1841 105 VNPT-AS-VN VNPT Corp, VN 24560 2770 828 535 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2202 434 191 TATACOMM-AS TATA Communications formerly 45090 2172 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 10885 11912 3810 AMAZON-02, US 174 6389 8765 861 COGENT-174, US 11492 4655 309 553 CABLEONE, US 7155 4163 287 85 VIASAT-SP-BACKBONE, US 6327 3600 1320 79 SHAW, CA 22773 3409 3035 188 ASN-CXA-ALL-CCI-22773-RDC, US 749 3264 54912 2511 DNIC-AS-00749, US 7018 3198 23677 1977 ATT-INTERNET4, US 16625 2887 1261 2140 AKAMAI-AS, US 396982 2868 3652 420 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 7635 1709 143 UNI2-AS, ES 39891 4668 282 60 ALJAWWALSTC-AS, SA 20940 3905 3395 126 AKAMAI-ASN1, NL 9009 3687 317 1891 M247, RO 12389 2945 2294 880 ROSTELECOM-AS, RU 34984 2335 357 580 TELLCOM-AS, TR 212238 1798 132 1336 CDNEXT, GB 13188 1606 100 30 TRIOLAN, UA 8452 1579 1852 14 TE-AS TE-AS, EG 8551 1471 366 32 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 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 11593 3235 510 UNINET, MX 10620 3546 494 937 Telmex Colombia S.A., CO 13999 2533 534 356 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad y 28573 1339 2310 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1319 779 200 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1152 374 163 Axtel, S.A.B. de C.V., MX 28202 1146 52 9 Rede Brasileira de Comunicacao SA, BR 6147 1106 369 22 Telefonica del Peru S.A.A., PE 22884 1060 97 373 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 24835 1636 593 29 RAYA-AS, EG 24863 1614 389 16 LINKdotNET-AS, EG 36992 1414 1519 283 ETISALAT-MISR, EG 29571 1352 86 61 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 20011 997 171 386 INTERNET-SOLUTIONS, ZA 36935 976 521 41 Vodafone-, EG 37069 655 1099 13 MOBINIL, EG 6713 554 1861 35 IAM-AS, MA 36914 548 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 11593 3235 510 UNINET, MX 16509 10885 11912 3810 AMAZON-02, US 9808 10068 8750 79 CHINAMOBILE-CN China Mobile Communication 12479 7635 1709 143 UNI2-AS, ES 174 6389 8765 861 COGENT-174, US 7545 5974 840 653 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4668 282 60 ALJAWWALSTC-AS, SA 11492 4655 309 553 CABLEONE, US 18403 4532 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4163 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 9808 10068 9989 CHINAMOBILE-CN China Mobile Communications Grou 12479 7635 7492 UNI2-AS, ES 16509 10885 7075 AMAZON-02, US 174 6389 5528 COGENT-174, US 7545 5974 5321 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4668 4608 ALJAWWALSTC-AS, SA 18403 4532 4509 FPT-AS-AP FPT Telecom Company, VN 11492 4655 4102 CABLEONE, US 7155 4163 4078 VIASAT-SP-BACKBONE, US 7552 3966 3941 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 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 54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, 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 23.137.192.0/24 Origin: 31798 DATACITY, CA 23.137.192.0/24 Transit: 6461 ZAYO-6461, US 23.139.88.0/24 Origin: 397244 RESERVED, ZZ 23.139.88.0/24 Transit: 33387 NOCIX, US 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 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 /10:36 /11:91 /12:295 /13:578 /14:1188 /15:2107 /16:13230 /17:8276 /18:13833 /19:24531 /20:44345 /21:52465 /22:113114 /23:103490 /24:599200 /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 6702 7635 UNI2-AS, ES 8151 5749 11593 UNINET, MX 11492 3550 4655 CABLEONE, US 39891 3428 4668 ALJAWWALSTC-AS, SA 6327 3397 3600 SHAW, CA 7155 3107 4163 VIASAT-SP-BACKBONE, US 22773 2540 3409 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2218 10885 AMAZON-02, US 10620 2175 3546 Telmex Colombia S.A., CO 30036 2171 2510 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2274 2:1549 3:503 4:8 5:4771 6:169 7:6 8:1517 9:1 11:172 12:1419 13:370 14:2431 15:330 16:264 17:357 18:894 20:437 21:4 22:188 23:6945 24:3024 25:2 27:2675 29:19 31:2938 32:53 34:74 35:142 36:2367 37:4559 38:9966 39:922 40:150 41:4341 42:2174 43:2455 44:337 45:18143 46:4704 47:300 49:2021 50:1879 51:581 52:1579 54:317 55:958 56:8 57:233 58:2188 59:1200 60:1139 61:2782 62:2891 63:1864 64:5569 65:2300 66:4756 67:3035 68:1331 69:4048 70:1296 71:576 72:2936 74:2806 75:1664 76:629 77:2615 78:1872 79:1652 80:2209 81:2059 82:1769 83:1370 84:1770 85:3102 86:982 87:2417 88:1312 89:4393 90:679 91:8349 92:2613 93:2826 94:3819 95:4340 96:1263 97:316 98:1072 99:739 100:72 101:1170 102:3798 103:32265 104:4478 105:1080 106:980 107:2391 108:1168 109:4051 110:2194 111:3271 112:2052 113:1788 114:1932 115:2146 116:1979 117:2702 118:2792 119:1997 120:1875 121:1352 122:2713 123:2165 124:1592 125:2835 126:64 128:1435 129:1022 130:1266 131:1895 132:826 133:444 134:1522 135:356 136:1241 137:1104 138:2999 139:1538 140:1468 141:1567 142:1799 143:1608 144:1007 145:401 146:2124 147:2043 148:2543 149:2877 150:1094 151:1378 152:2123 153:567 154:7276 155:1511 156:2577 157:1847 158:1206 159:2434 160:3310 161:1794 162:3573 163:1769 164:1958 165:2157 166:1302 167:1861 168:4178 169:797 170:5048 171:1027 172:3913 173:3139 174:908 175:1275 176:3533 177:5473 178:3609 179:2345 180:2497 181:4053 182:3319 183:2036 184:2269 185:21356 186:5322 187:4565 188:4360 189:4241 190:9825 191:1978 192:11081 193:9309 194:7667 195:5521 196:3491 197:3508 198:5981 199:8185 200:8405 201:6330 202:10351 203:10525 204:4638 205:3666 206:4604 207:3610 208:4213 209:5169 210:4575 211:2569 212:4529 213:3685 214:1071 215:48 216:6688 217:3088 218:1339 219:403 220:2065 221:1050 222:704 223:2264 End of report