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 30 Nov, 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: 982208 Prefixes after maximum aggregation (per Origin AS): 368459 Deaggregation factor: 2.67 Unique aggregates announced (without unneeded subnets): 471171 Number of IPv4 prefixes with a valid ROA: 523833 Number of IPv4 prefixes with an invalid ROA: 494 Number of IPv4 prefixes with no ROA: 457881 Total ASes present in the Internet Routing Table: 76433 Prefixes per ASN: 12.85 Origin-only ASes present in the Internet Routing Table: 65694 Origin ASes announcing only one prefix: 26468 Transit ASes present in the Internet Routing Table: 10739 Transit-only ASes present in the Internet Routing Table: 515 Paths with bogon ASNs present in the IPv4 Routing Table: 76 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: 1083 Number of instances of unregistered ASNs: 1095 Number of 32-bit ASNs allocated by the RIRs: 45928 Number of 32-bit ASNs visible in the Routing Table: 37506 Prefixes from 32-bit ASNs in the Routing Table: 201140 Number of bogon 32-bit ASNs visible in the Routing Table: 42 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 502 Number of addresses announced to Internet: 3025927680 Equivalent to 180 /8s, 91 /16s and 254 /24s Percentage of available address space announced: 81.7 Percentage of allocated address space announced: 81.6 Percentage of available address space allocated: 100.1 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 324939 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 254764 Total APNIC prefixes after maximum aggregation: 75118 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 247090 Unique aggregates announced from the APNIC address blocks: 101674 APNIC Region origin ASes present in the Internet Routing Table: 14411 APNIC Prefixes per ASN: 17.15 APNIC Region origin ASes announcing only one prefix: 4425 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: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9894 Number of APNIC addresses announced to Internet: 755578112 Equivalent to 45 /8s, 9 /16s and 53 /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: 285855 Total ARIN prefixes after maximum aggregation: 126533 ARIN Deaggregation factor: 2.26 Prefixes being announced from the ARIN address blocks: 288581 Unique aggregates announced from the ARIN address blocks: 136148 ARIN Region origin ASes present in the Internet Routing Table: 19178 ARIN Prefixes per ASN: 15.05 ARIN Region origin ASes announcing only one prefix: 6967 ARIN Region transit ASes present in the Internet Routing Table: 1954 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: 5077 Number of ARIN addresses announced to Internet: 1266120704 Equivalent to 75 /8s, 119 /16s and 120 /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: 272752 Total RIPE prefixes after maximum aggregation: 130336 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 269458 Unique aggregates announced from the RIPE address blocks: 169752 RIPE Region origin ASes present in the Internet Routing Table: 28848 RIPE Prefixes per ASN: 9.34 RIPE Region origin ASes announcing only one prefix: 12097 RIPE Region transit ASes present in the Internet Routing Table: 3893 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 26 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12161 Number of RIPE addresses announced to Internet: 722135296 Equivalent to 43 /8s, 10 /16s and 233 /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: 131428 Total LACNIC prefixes after maximum aggregation: 29171 LACNIC Deaggregation factor: 4.51 Prefixes being announced from the LACNIC address blocks: 128797 Unique aggregates announced from the LACNIC address blocks: 48652 LACNIC Region origin ASes present in the Internet Routing Table: 11170 LACNIC Prefixes per ASN: 11.53 LACNIC Region origin ASes announcing only one prefix: 2325 LACNIC Region transit ASes present in the Internet Routing Table: 2464 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: 9096 Number of LACNIC addresses announced to Internet: 177538048 Equivalent to 10 /8s, 149 /16s and 4 /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: 36326 Total AfriNIC prefixes after maximum aggregation: 6626 AfriNIC Deaggregation factor: 5.48 Prefixes being announced from the AfriNIC address blocks: 47780 Unique aggregates announced from the AfriNIC address blocks: 14539 AfriNIC Region origin ASes present in the Internet Routing Table: 1918 AfriNIC Prefixes per ASN: 24.91 AfriNIC Region origin ASes announcing only one prefix: 654 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: 75 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1278 Number of AfriNIC addresses announced to Internet: 104298752 Equivalent to 6 /8s, 55 /16s and 121 /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 10066 8752 85 CHINAMOBILE-CN China Mobile Communication 7545 6158 841 657 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4570 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 3952 518 287 BBIL-AP BHARTI Airtel Ltd., IN 7552 3907 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3671 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3246 1869 100 VNPT-AS-VN VNPT Corp, VN 24560 2788 834 537 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2206 434 189 TATACOMM-AS TATA Communications formerly 45090 2170 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 11082 11968 3954 AMAZON-02, US 174 6521 8765 894 COGENT-174, US 11492 4677 311 552 CABLEONE, US 7155 4168 287 85 VIASAT-SP-BACKBONE, US 6327 3603 1320 79 SHAW, CA 22773 3403 3033 186 ASN-CXA-ALL-CCI-22773-RDC, US 749 3261 54895 2508 DNIC-AS-00749, US 7018 3213 23568 2050 ATT-INTERNET4, US 16625 2912 1273 2147 AKAMAI-AS, US 396982 2885 3655 432 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 7670 1709 143 UNI2-AS, ES 39891 4750 290 62 ALJAWWALSTC-AS, SA 20940 3966 3395 127 AKAMAI-ASN1, NL 9009 3677 317 1861 M247, RO 12389 2942 2294 881 ROSTELECOM-AS, RU 34984 2343 360 575 TELLCOM-AS, TR 212238 1836 134 1356 CDNEXT, GB 8452 1614 1852 14 TE-AS TE-AS, EG 13188 1607 100 26 TRIOLAN, UA 62240 1491 98 747 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 11508 3222 606 UNINET, MX 10620 3542 494 942 Telmex Colombia S.A., CO 13999 2535 537 371 Mega Cable, S.A. de C.V., MX 11830 1992 369 64 Instituto Costarricense de Electricidad y 28573 1336 2310 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1325 782 203 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1155 374 163 Axtel, S.A.B. de C.V., MX 28202 1125 52 9 Rede Brasileira de Comunicacao SA, BR 6147 1115 371 22 Telefonica del Peru S.A.A., PE 22884 1070 98 374 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 1659 593 29 RAYA-AS, EG 24863 1636 389 16 LINKdotNET-AS, EG 29571 1424 90 59 ORANGE-COTE-IVOIRE, CI 36992 1421 1518 288 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 20011 1115 179 290 INTERNET-SOLUTIONS, ZA 36935 1015 523 46 Vodafone-, EG 37069 882 1083 15 MOBINIL, EG 6713 558 1861 35 IAM-AS, MA 36914 553 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 11508 3222 606 UNINET, MX 16509 11082 11968 3954 AMAZON-02, US 9808 10066 8752 85 CHINAMOBILE-CN China Mobile Communication 12479 7670 1709 143 UNI2-AS, ES 174 6521 8765 894 COGENT-174, US 7545 6158 841 657 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 290 62 ALJAWWALSTC-AS, SA 11492 4677 311 552 CABLEONE, US 18403 4570 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4168 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 10066 9981 CHINAMOBILE-CN China Mobile Communications Grou 12479 7670 7527 UNI2-AS, ES 16509 11082 7128 AMAZON-02, US 174 6521 5627 COGENT-174, US 7545 6158 5501 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 4688 ALJAWWALSTC-AS, SA 18403 4570 4547 FPT-AS-AP FPT Telecom Company, VN 11492 4677 4125 CABLEONE, US 7155 4168 4083 VIASAT-SP-BACKBONE, US 7552 3907 3882 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 23.139.32.0/24 Origin: 14727 RESERVED, ZZ 23.139.32.0/24 Transit: 6939 HURRICANE, 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 23.152.48.0/24 Origin: 46167 RESERVED, ZZ 23.152.48.0/24 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 /10:36 /11:91 /12:295 /13:577 /14:1186 /15:2098 /16:13222 /17:8275 /18:13833 /19:24590 /20:44572 /21:52618 /22:113028 /23:103957 /24:603798 /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 6660 7670 UNI2-AS, ES 8151 5682 11508 UNINET, MX 11492 3555 4677 CABLEONE, US 39891 3441 4750 ALJAWWALSTC-AS, SA 6327 3400 3603 SHAW, CA 7155 3112 4168 VIASAT-SP-BACKBONE, US 22773 2536 3403 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2262 11082 AMAZON-02, US 30036 2206 2546 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2172 3542 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) ---------------------------------------------- 1:2272 2:1557 3:526 4:8 5:4812 6:166 7:6 8:1493 9:2 11:172 12:1410 13:368 14:2466 15:334 16:270 17:360 18:900 20:454 21:4 22:188 23:7104 24:2689 25:2 27:2686 29:19 31:3067 32:47 34:74 35:172 36:2391 37:4562 38:10323 39:897 40:149 41:4406 42:2208 43:2488 44:345 45:18511 46:4943 47:298 49:2015 50:1856 51:586 52:1576 54:316 55:946 56:8 57:241 58:2248 59:1185 60:1153 61:2828 62:2931 63:1855 64:5429 65:2291 66:4707 67:3056 68:1286 69:4036 70:1119 71:598 72:2930 74:2797 75:1635 76:634 77:2703 78:1859 79:1635 80:2219 81:2077 82:1793 83:1505 84:1786 85:3204 86:969 87:2427 88:1273 89:4411 90:733 91:8340 92:2651 93:2869 94:3873 95:4222 96:1245 97:313 98:1068 99:734 100:71 101:1417 102:3881 103:32309 104:4461 105:1101 106:981 107:2408 108:1185 109:4060 110:2232 111:3275 112:2043 113:1813 114:1942 115:2202 116:2007 117:2707 118:2782 119:1996 120:1852 121:1360 122:2741 123:2178 124:1605 125:2833 126:62 128:1564 129:1031 130:1288 131:1935 132:812 133:448 134:1528 135:363 136:1316 137:1111 138:3017 139:1527 140:1496 141:1460 142:1842 143:1625 144:1009 145:408 146:2114 147:2044 148:2597 149:2873 150:1156 151:1465 152:2126 153:569 154:7546 155:1572 156:2761 157:1872 158:1229 159:2438 160:3451 161:1740 162:3600 163:1795 164:1958 165:2168 166:1341 167:1875 168:4245 169:808 170:5234 171:996 172:3976 173:3178 174:920 175:1278 176:3577 177:5554 178:3800 179:2467 180:2535 181:4089 182:3361 183:2045 184:2271 185:21474 186:5396 187:4605 188:4264 189:4318 190:9823 191:1996 192:11183 193:9302 194:7697 195:5493 196:3497 197:3646 198:5970 199:8229 200:8423 201:6411 202:10387 203:10601 204:4639 205:3663 206:4632 207:3494 208:4235 209:5113 210:4557 211:2523 212:4523 213:3745 214:1056 215:48 216:6619 217:3152 218:1325 219:395 220:2092 221:1053 222:704 223:2287 End of report