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 Sep, 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: 972362 Prefixes after maximum aggregation (per Origin AS): 365397 Deaggregation factor: 2.66 Unique aggregates announced (without unneeded subnets): 465851 Number of IPv4 prefixes with a valid ROA: 510441 Number of IPv4 prefixes with an invalid ROA: 776 Number of IPv4 prefixes with no ROA: 461145 Total ASes present in the Internet Routing Table: 76124 Prefixes per ASN: 12.77 Origin-only ASes present in the Internet Routing Table: 65344 Origin ASes announcing only one prefix: 26428 Transit ASes present in the Internet Routing Table: 10780 Transit-only ASes present in the Internet Routing Table: 510 Paths with bogon ASNs present in the IPv4 Routing Table: 88 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 61 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 1022 Number of instances of unregistered ASNs: 1029 Number of 32-bit ASNs allocated by the RIRs: 45368 Number of 32-bit ASNs visible in the Routing Table: 37042 Prefixes from 32-bit ASNs in the Routing Table: 197552 Number of bogon 32-bit ASNs visible in the Routing Table: 40 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 590 Number of addresses announced to Internet: 3033907200 Equivalent to 180 /8s, 213 /16s and 192 /24s Percentage of available address space announced: 81.9 Percentage of allocated address space announced: 81.9 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: 322764 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 252857 Total APNIC prefixes after maximum aggregation: 74709 APNIC Deaggregation factor: 3.38 Prefixes being announced from the APNIC address blocks: 244518 Unique aggregates announced from the APNIC address blocks: 100639 APNIC Region origin ASes present in the Internet Routing Table: 14275 APNIC Prefixes per ASN: 17.13 APNIC Region origin ASes announcing only one prefix: 4345 APNIC Region transit ASes present in the Internet Routing Table: 1893 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: 9735 Number of APNIC addresses announced to Internet: 761431040 Equivalent to 45 /8s, 98 /16s and 132 /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: 283100 Total ARIN prefixes after maximum aggregation: 125946 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 287358 Unique aggregates announced from the ARIN address blocks: 134874 ARIN Region origin ASes present in the Internet Routing Table: 19136 ARIN Prefixes per ASN: 15.02 ARIN Region origin ASes announcing only one prefix: 6982 ARIN Region transit ASes present in the Internet Routing Table: 1953 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5001 Number of ARIN addresses announced to Internet: 1266842624 Equivalent to 75 /8s, 130 /16s and 124 /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: 270114 Total RIPE prefixes after maximum aggregation: 128800 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 266092 Unique aggregates announced from the RIPE address blocks: 167043 RIPE Region origin ASes present in the Internet Routing Table: 28771 RIPE Prefixes per ASN: 9.25 RIPE Region origin ASes announcing only one prefix: 12107 RIPE Region transit ASes present in the Internet Routing Table: 3920 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: 12005 Number of RIPE addresses announced to Internet: 723366912 Equivalent to 43 /8s, 29 /16s and 180 /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: 130853 Total LACNIC prefixes after maximum aggregation: 28781 LACNIC Deaggregation factor: 4.55 Prefixes being announced from the LACNIC address blocks: 128506 Unique aggregates announced from the LACNIC address blocks: 48415 LACNIC Region origin ASes present in the Internet Routing Table: 11155 LACNIC Prefixes per ASN: 11.52 LACNIC Region origin ASes announcing only one prefix: 2353 LACNIC Region transit ASes present in the Internet Routing Table: 2483 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: 9054 Number of LACNIC addresses announced to Internet: 177686272 Equivalent to 10 /8s, 151 /16s and 71 /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: 34416 Total AfriNIC prefixes after maximum aggregation: 6503 AfriNIC Deaggregation factor: 5.29 Prefixes being announced from the AfriNIC address blocks: 45298 Unique aggregates announced from the AfriNIC address blocks: 14402 AfriNIC Region origin ASes present in the Internet Routing Table: 1882 AfriNIC Prefixes per ASN: 24.07 AfriNIC Region origin ASes announcing only one prefix: 641 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: 29 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1247 Number of AfriNIC addresses announced to Internet: 104269056 Equivalent to 6 /8s, 55 /16s and 5 /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 9938 8745 74 CHINAMOBILE-CN China Mobile Communication 7545 5708 840 659 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4308 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3984 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3766 507 259 BBIL-AP BHARTI Airtel Ltd., IN 7713 3616 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3254 1841 104 VNPT-AS-VN VNPT Corp, VN 24560 2800 842 461 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2195 434 192 TATACOMM-AS TATA Communications formerly 45090 2152 1438 79 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 10697 11803 3763 AMAZON-02, US 174 5859 8779 901 COGENT-174, US 11492 4642 308 545 CABLEONE, US 7155 4169 287 89 VIASAT-SP-BACKBONE, US 6327 3602 1320 79 SHAW, CA 749 3485 55081 2708 DNIC-AS-00749, US 22773 3426 3035 187 ASN-CXA-ALL-CCI-22773-RDC, US 7018 3091 23685 1937 ATT-INTERNET4, US 16625 2894 1289 2154 AKAMAI-AS, US 396982 2816 3571 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 7639 1708 145 UNI2-AS, ES 39891 4466 269 55 ALJAWWALSTC-AS, SA 20940 3863 3395 126 AKAMAI-ASN1, NL 9009 3685 313 1868 M247, RO 12389 2865 2285 861 ROSTELECOM-AS, RU 34984 2334 359 585 TELLCOM-AS, TR 212238 1812 129 1334 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1580 1852 14 TE-AS TE-AS, EG 8551 1419 368 35 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 11738 3251 497 UNINET, MX 10620 3543 494 935 Telmex Colombia S.A., CO 13999 2552 534 364 Mega Cable, S.A. de C.V., MX 11830 2009 369 64 Instituto Costarricense de Electricidad y 28573 1336 2309 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1320 780 198 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 28202 1152 52 9 Rede Brasileira de Comunicacao SA, BR 6503 1148 374 163 Axtel, S.A.B. de C.V., MX 6147 1102 369 22 Telefonica del Peru S.A.A., PE 11664 1078 159 436 Techtel LMDS Comunicaciones Interactivas 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 1612 593 29 RAYA-AS, EG 24863 1609 389 16 LINKdotNET-AS, EG 36992 1411 1519 282 ETISALAT-MISR, EG 29571 1336 85 65 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 953 523 48 Vodafone-, EG 20011 617 142 269 INTERNET-SOLUTIONS, ZA 6713 557 1861 35 IAM-AS, MA 36914 545 82 3 KENET-AS, KE 37457 542 310 36 Telkom-Internet, ZA 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 11738 3251 497 UNINET, MX 16509 10697 11803 3763 AMAZON-02, US 9808 9938 8745 74 CHINAMOBILE-CN China Mobile Communication 12479 7639 1708 145 UNI2-AS, ES 174 5859 8779 901 COGENT-174, US 7545 5708 840 659 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4642 308 545 CABLEONE, US 39891 4466 269 55 ALJAWWALSTC-AS, SA 18403 4308 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4169 287 89 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 9938 9864 CHINAMOBILE-CN China Mobile Communications Grou 12479 7639 7494 UNI2-AS, ES 16509 10697 6934 AMAZON-02, US 7545 5708 5049 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5859 4958 COGENT-174, US 39891 4466 4411 ALJAWWALSTC-AS, SA 18403 4308 4285 FPT-AS-AP FPT Telecom Company, VN 11492 4642 4097 CABLEONE, US 7155 4169 4080 VIASAT-SP-BACKBONE, US 7552 3984 3963 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: 21949 BEANFIELD, CA 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 /10:37 /11:92 /12:295 /13:577 /14:1183 /15:2115 /16:13292 /17:8284 /18:13847 /19:24584 /20:44022 /21:52197 /22:112589 /23:103747 /24:595469 /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 6694 7639 UNI2-AS, ES 8151 5876 11738 UNINET, MX 11492 3553 4642 CABLEONE, US 6327 3397 3602 SHAW, CA 39891 3356 4466 ALJAWWALSTC-AS, SA 7155 3113 4169 VIASAT-SP-BACKBONE, US 22773 2560 3426 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2172 3543 Telmex Colombia S.A., CO 30036 2163 2501 MEDIACOM-ENTERPRISE-BUSINESS, US 16509 2157 10697 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2272 2:1535 3:471 4:7 5:4794 6:161 7:6 8:1513 9:2 11:172 12:1429 13:375 14:2375 15:328 16:259 17:360 18:883 20:415 21:4 22:188 23:6879 24:3065 25:2 27:2646 29:19 31:2753 32:53 34:69 35:138 36:2364 37:4526 38:9809 39:922 40:149 41:4349 42:1981 43:2455 44:333 45:18261 46:4652 47:300 49:1988 50:1887 51:578 52:1581 54:314 55:957 56:8 57:226 58:2175 59:1203 60:1065 61:2815 62:2841 63:1860 64:5600 65:2298 66:4769 67:3067 68:1343 69:4039 70:1310 71:575 72:2929 74:2686 75:1605 76:618 77:2673 78:1863 79:1604 80:2194 81:2057 82:1706 83:1382 84:1780 85:3194 86:994 87:2324 88:1306 89:4328 90:683 91:8332 92:2487 93:2777 94:3802 95:4298 96:1275 97:316 98:1068 99:737 100:73 101:1161 102:3741 103:32298 104:4397 105:1082 106:981 107:2384 108:1163 109:3977 110:2125 111:3282 112:2055 113:1814 114:1893 115:2146 116:1978 117:2672 118:2783 119:2000 120:1809 121:1364 122:2708 123:2196 124:1584 125:2825 126:64 128:1401 129:1004 130:1244 131:1927 132:826 133:428 134:1509 135:352 136:1206 137:1070 138:3031 139:1517 140:1450 141:1457 142:1754 143:1651 144:1006 145:371 146:2117 147:2033 148:2568 149:2858 150:1072 151:1368 152:2116 153:572 154:6822 155:1446 156:2462 157:1824 158:1182 159:2436 160:3159 161:1718 162:3569 163:1769 164:1715 165:2162 166:1310 167:1855 168:4207 169:814 170:5173 171:1035 172:3932 173:3124 174:903 175:1255 176:3522 177:5603 178:3644 179:2412 180:2458 181:3973 182:3319 183:2020 184:2264 185:21265 186:5383 187:4671 188:4237 189:4319 190:9763 191:1960 192:11063 193:9275 194:7603 195:5503 196:3490 197:3120 198:5971 199:8120 200:8512 201:6430 202:10352 203:10517 204:4591 205:3669 206:4509 207:3567 208:4197 209:5127 210:4552 211:2556 212:4463 213:3727 214:1058 215:63 216:6758 217:2989 218:1343 219:387 220:2030 221:1048 222:706 223:2234 End of report