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 07 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: 981607 Prefixes after maximum aggregation (per Origin AS): 369038 Deaggregation factor: 2.66 Unique aggregates announced (without unneeded subnets): 472072 Number of IPv4 prefixes with a valid ROA: 525025 Number of IPv4 prefixes with an invalid ROA: 489 Number of IPv4 prefixes with no ROA: 456093 Total ASes present in the Internet Routing Table: 76459 Prefixes per ASN: 12.84 Origin-only ASes present in the Internet Routing Table: 65673 Origin ASes announcing only one prefix: 26485 Transit ASes present in the Internet Routing Table: 10786 Transit-only ASes present in the Internet Routing Table: 516 Paths with bogon ASNs present in the IPv4 Routing Table: 74 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: 1057 Number of instances of unregistered ASNs: 1068 Number of 32-bit ASNs allocated by the RIRs: 45967 Number of 32-bit ASNs visible in the Routing Table: 37536 Prefixes from 32-bit ASNs in the Routing Table: 201346 Number of bogon 32-bit ASNs visible in the Routing Table: 39 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 495 Number of addresses announced to Internet: 3025142272 Equivalent to 180 /8s, 80 /16s and 2 /24s Percentage of available address space announced: 81.7 Percentage of allocated address space announced: 81.7 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: 324665 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 254952 Total APNIC prefixes after maximum aggregation: 75291 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 247269 Unique aggregates announced from the APNIC address blocks: 101804 APNIC Region origin ASes present in the Internet Routing Table: 14413 APNIC Prefixes per ASN: 17.16 APNIC Region origin ASes announcing only one prefix: 4415 APNIC Region transit ASes present in the Internet Routing Table: 1898 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: 9909 Number of APNIC addresses announced to Internet: 755527936 Equivalent to 45 /8s, 8 /16s and 113 /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: 285729 Total ARIN prefixes after maximum aggregation: 126688 ARIN Deaggregation factor: 2.26 Prefixes being announced from the ARIN address blocks: 288631 Unique aggregates announced from the ARIN address blocks: 136262 ARIN Region origin ASes present in the Internet Routing Table: 19182 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: 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: 5087 Number of ARIN addresses announced to Internet: 1265957632 Equivalent to 75 /8s, 116 /16s and 251 /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: 272596 Total RIPE prefixes after maximum aggregation: 130489 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 269106 Unique aggregates announced from the RIPE address blocks: 169960 RIPE Region origin ASes present in the Internet Routing Table: 28868 RIPE Prefixes per ASN: 9.32 RIPE Region origin ASes announcing only one prefix: 12105 RIPE Region transit ASes present in the Internet Routing Table: 3910 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: 12174 Number of RIPE addresses announced to Internet: 721847296 Equivalent to 43 /8s, 6 /16s and 132 /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: 131376 Total LACNIC prefixes after maximum aggregation: 29249 LACNIC Deaggregation factor: 4.49 Prefixes being announced from the LACNIC address blocks: 128728 Unique aggregates announced from the LACNIC address blocks: 48671 LACNIC Region origin ASes present in the Internet Routing Table: 11180 LACNIC Prefixes per ASN: 11.51 LACNIC Region origin ASes announcing only one prefix: 2345 LACNIC Region transit ASes present in the Internet Routing Table: 2479 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: 9095 Number of LACNIC addresses announced to Internet: 177558528 Equivalent to 10 /8s, 149 /16s and 84 /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: 35897 Total AfriNIC prefixes after maximum aggregation: 6657 AfriNIC Deaggregation factor: 5.39 Prefixes being announced from the AfriNIC address blocks: 47378 Unique aggregates announced from the AfriNIC address blocks: 14976 AfriNIC Region origin ASes present in the Internet Routing Table: 1914 AfriNIC Prefixes per ASN: 24.75 AfriNIC Region origin ASes announcing only one prefix: 653 AfriNIC Region transit ASes present in the Internet Routing Table: 368 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: 1271 Number of AfriNIC addresses announced to Internet: 103997440 Equivalent to 6 /8s, 50 /16s and 224 /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 10079 8753 87 CHINAMOBILE-CN China Mobile Communication 7545 6189 842 657 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4559 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 3956 518 285 BBIL-AP BHARTI Airtel Ltd., IN 7552 3910 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3668 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3246 1869 100 VNPT-AS-VN VNPT Corp, VN 24560 2795 836 541 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2206 434 190 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 11083 12003 3967 AMAZON-02, US 174 6095 8764 891 COGENT-174, US 11492 4679 311 553 CABLEONE, US 7155 4168 287 85 VIASAT-SP-BACKBONE, US 6327 3603 1320 79 SHAW, CA 22773 3401 3033 185 ASN-CXA-ALL-CCI-22773-RDC, US 749 3261 54895 2508 DNIC-AS-00749, US 7018 3189 23504 2024 ATT-INTERNET4, US 16625 2931 1281 2165 AKAMAI-AS, US 396982 2887 3656 433 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 7719 1709 143 UNI2-AS, ES 39891 4750 290 62 ALJAWWALSTC-AS, SA 20940 3961 3395 125 AKAMAI-ASN1, NL 9009 3686 318 1866 M247, RO 12389 2941 2294 880 ROSTELECOM-AS, RU 34984 2343 360 576 TELLCOM-AS, TR 212238 1833 133 1353 CDNEXT, GB 8452 1614 1852 22 TE-AS TE-AS, EG 13188 1607 100 26 TRIOLAN, UA 62240 1497 98 750 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 11542 3226 603 UNINET, MX 10620 3543 494 943 Telmex Colombia S.A., CO 13999 2534 538 370 Mega Cable, S.A. de C.V., MX 11830 1993 369 64 Instituto Costarricense de Electricidad y 28573 1334 2310 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1324 778 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1169 374 163 Axtel, S.A.B. de C.V., MX 28202 1120 52 9 Rede Brasileira de Comunicacao SA, BR 6147 1114 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 1649 593 29 RAYA-AS, EG 29571 1447 91 59 ORANGE-COTE-IVOIRE, CI 36992 1424 1518 287 ETISALAT-MISR, EG 24863 1405 389 16 LINKdotNET-AS, EG 36903 1249 554 96 MT-MPLS, MA 20011 1117 181 290 INTERNET-SOLUTIONS, ZA 36935 999 520 40 Vodafone-, EG 37069 641 1019 14 MOBINIL, EG 6713 558 1861 35 IAM-AS, MA 36914 545 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 11542 3226 603 UNINET, MX 16509 11083 12003 3967 AMAZON-02, US 9808 10079 8753 87 CHINAMOBILE-CN China Mobile Communication 12479 7719 1709 143 UNI2-AS, ES 7545 6189 842 657 TPG-INTERNET-AP TPG Telecom Limited, AU 174 6095 8764 891 COGENT-174, US 39891 4750 290 62 ALJAWWALSTC-AS, SA 11492 4679 311 553 CABLEONE, US 18403 4559 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 10079 9992 CHINAMOBILE-CN China Mobile Communications Grou 12479 7719 7576 UNI2-AS, ES 16509 11083 7116 AMAZON-02, US 7545 6189 5532 TPG-INTERNET-AP TPG Telecom Limited, AU 174 6095 5204 COGENT-174, US 39891 4750 4688 ALJAWWALSTC-AS, SA 18403 4559 4536 FPT-AS-AP FPT Telecom Company, VN 11492 4679 4126 CABLEONE, US 7155 4168 4083 VIASAT-SP-BACKBONE, US 7552 3910 3885 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 23.130.156.0/24 Origin: 401538 NOVA86-LLC, US 23.130.156.0/24 Transit: 393577 TRITAN, 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 /13:576 /14:1182 /15:2099 /16:13207 /17:8268 /18:13805 /19:24560 /20:44320 /21:52626 /22:112890 /23:104013 /24:603607 /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 6701 7719 UNI2-AS, ES 8151 5711 11542 UNINET, MX 11492 3555 4679 CABLEONE, US 39891 3441 4750 ALJAWWALSTC-AS, SA 6327 3400 3603 SHAW, CA 7155 3112 4168 VIASAT-SP-BACKBONE, US 22773 2536 3401 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2258 11083 AMAZON-02, US 30036 2210 2550 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2173 3543 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) ---------------------------------------------- 1:2298 2:1565 3:523 4:8 5:4782 6:166 7:6 8:1548 9:2 11:172 12:1397 13:368 14:2461 15:334 16:270 17:359 18:902 20:451 21:4 22:188 23:7116 24:2778 25:2 27:2689 29:19 31:3078 32:46 34:74 35:177 36:2390 37:4510 38:9970 39:884 40:148 41:4350 42:2148 43:2508 44:346 45:18529 46:4970 47:298 49:2006 50:1855 51:585 52:1576 54:316 55:1030 56:8 57:242 58:2247 59:1184 60:1153 61:2841 62:2920 63:1841 64:5417 65:2295 66:4720 67:3059 68:1285 69:4015 70:1116 71:597 72:2931 74:2799 75:1642 76:635 77:2706 78:1854 79:1661 80:2221 81:2056 82:1775 83:1398 84:1792 85:3208 86:974 87:2426 88:1278 89:4393 90:736 91:8350 92:2729 93:2840 94:3876 95:4214 96:1248 97:313 98:1068 99:734 100:71 101:1422 102:3950 103:32329 104:4445 105:1097 106:983 107:2429 108:1193 109:4065 110:2227 111:3282 112:2046 113:1814 114:1943 115:2213 116:2011 117:2696 118:2793 119:1995 120:1863 121:1356 122:2739 123:2181 124:1592 125:2831 126:62 128:1569 129:1032 130:1278 131:1921 132:808 133:448 134:1511 135:367 136:1340 137:1112 138:3043 139:1532 140:1504 141:1455 142:1855 143:1634 144:1005 145:408 146:2123 147:2040 148:2598 149:2880 150:1163 151:1466 152:2128 153:569 154:7579 155:1580 156:2757 157:1857 158:1219 159:2434 160:3465 161:1787 162:3607 163:1787 164:1719 165:2169 166:1345 167:1884 168:4265 169:800 170:5247 171:998 172:3993 173:3190 174:918 175:1282 176:3589 177:5517 178:3794 179:2424 180:2545 181:4068 182:3364 183:2065 184:2267 185:21497 186:5337 187:4594 188:4253 189:4311 190:9775 191:2000 192:11172 193:9314 194:7735 195:5499 196:3481 197:3621 198:5975 199:8265 200:8515 201:6443 202:10377 203:10598 204:4634 205:3680 206:4629 207:3493 208:4243 209:5126 210:4585 211:2520 212:4533 213:3737 214:1052 215:48 216:6617 217:3157 218:1325 219:395 220:2089 221:1053 222:708 223:2290 End of report