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 20 Jan, 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: 956282 Prefixes after maximum aggregation (per Origin AS): 356947 Deaggregation factor: 2.68 Unique aggregates announced (without unneeded subnets): 455789 Number of IPv4 prefixes with a valid ROA: 448306 Number of IPv4 prefixes with an invalid ROA: 2480 Number of IPv4 prefixes with no ROA: 505496 Total ASes present in the Internet Routing Table: 75301 Prefixes per ASN: 12.70 Origin-only ASes present in the Internet Routing Table: 64758 Origin ASes announcing only one prefix: 26081 Transit ASes present in the Internet Routing Table: 10543 Transit-only ASes present in the Internet Routing Table: 483 Paths with bogon ASNs present in the IPv4 Routing Table: 98 Average AS path length visible in the Internet Routing Table: 7.9 Max AS path length visible: 59 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 1137 Number of instances of unregistered ASNs: 1139 Number of 32-bit ASNs allocated by the RIRs: 43429 Number of 32-bit ASNs visible in the Routing Table: 35732 Prefixes from 32-bit ASNs in the Routing Table: 185349 Number of bogon 32-bit ASNs visible in the Routing Table: 33 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 487 Number of addresses announced to Internet: 3047991552 Equivalent to 181 /8s, 172 /16s and 169 /24s Percentage of available address space announced: 82.3 Percentage of allocated address space announced: 82.3 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: 320807 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 248096 Total APNIC prefixes after maximum aggregation: 72067 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 241032 Unique aggregates announced from the APNIC address blocks: 99870 APNIC Region origin ASes present in the Internet Routing Table: 13893 APNIC Prefixes per ASN: 17.35 APNIC Region origin ASes announcing only one prefix: 4196 APNIC Region transit ASes present in the Internet Routing Table: 1857 Average APNIC Region AS path length visible: 8.0 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9275 Number of APNIC addresses announced to Internet: 774427136 Equivalent to 46 /8s, 40 /16s and 210 /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: 277316 Total ARIN prefixes after maximum aggregation: 123810 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 282475 Unique aggregates announced from the ARIN address blocks: 131997 ARIN Region origin ASes present in the Internet Routing Table: 19066 ARIN Prefixes per ASN: 14.82 ARIN Region origin ASes announcing only one prefix: 6932 ARIN Region transit ASes present in the Internet Routing Table: 1906 Average ARIN Region AS path length visible: 7.6 Max ARIN Region AS path length visible: 29 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4831 Number of ARIN addresses announced to Internet: 1272508416 Equivalent to 75 /8s, 216 /16s and 240 /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, 393216-401308 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: 265956 Total RIPE prefixes after maximum aggregation: 125393 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 260161 Unique aggregates announced from the RIPE address blocks: 161201 RIPE Region origin ASes present in the Internet Routing Table: 28564 RIPE Prefixes per ASN: 9.11 RIPE Region origin ASes announcing only one prefix: 12104 RIPE Region transit ASes present in the Internet Routing Table: 3869 Average RIPE Region AS path length visible: 7.8 Max RIPE Region AS path length visible: 39 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11557 Number of RIPE addresses announced to Internet: 714723840 Equivalent to 42 /8s, 153 /16s and 210 /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: 129265 Total LACNIC prefixes after maximum aggregation: 28795 LACNIC Deaggregation factor: 4.49 Prefixes being announced from the LACNIC address blocks: 127854 Unique aggregates announced from the LACNIC address blocks: 49461 LACNIC Region origin ASes present in the Internet Routing Table: 11059 LACNIC Prefixes per ASN: 11.56 LACNIC Region origin ASes announcing only one prefix: 2251 LACNIC Region transit ASes present in the Internet Routing Table: 2400 Average LACNIC Region AS path length visible: 8.6 Max LACNIC Region AS path length visible: 59 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8907 Number of LACNIC addresses announced to Internet: 178137344 Equivalent to 10 /8s, 158 /16s and 41 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + 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: 34512 Total AfriNIC prefixes after maximum aggregation: 6137 AfriNIC Deaggregation factor: 5.62 Prefixes being announced from the AfriNIC address blocks: 44273 Unique aggregates announced from the AfriNIC address blocks: 12853 AfriNIC Region origin ASes present in the Internet Routing Table: 1819 AfriNIC Prefixes per ASN: 24.34 AfriNIC Region origin ASes announcing only one prefix: 598 AfriNIC Region transit ASes present in the Internet Routing Table: 348 Average AfriNIC Region AS path length visible: 6.6 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1162 Number of AfriNIC addresses announced to Internet: 107907584 Equivalent to 6 /8s, 110 /16s and 138 /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 9770 8739 51 CHINAMOBILE-CN China Mobile Communicati 7545 5678 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4575 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3860 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3605 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3450 499 259 BBIL-AP BHARTI Airtel Ltd., IN 45899 3362 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2682 859 361 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2186 442 196 TATACOMM-AS TATA Communications formerl 45090 2185 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 9469 11199 3372 AMAZON-02, US 11492 4567 303 671 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 174 4086 6635 652 COGENT-174, US 6327 3567 1319 69 SHAW, CA 22773 3518 3060 306 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3287 1435 2348 AKAMAI-AS, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2953 3814 1420 DNIC-ASBLK-00306-00371, US 396982 2746 3639 390 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 7561 1714 146 UNI2-AS, ES 39891 4658 280 55 ALJAWWALSTC-AS, SA 20940 4031 3396 133 AKAMAI-ASN1, NL 9009 3333 289 1599 M247, RO 12389 2995 2302 914 ROSTELECOM-AS, RU 8551 2813 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2327 359 600 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1509 867 579 TCI, IR 8452 1485 1852 14 TE-AS TE-AS, EG 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 12334 3380 616 UNINET, MX 10620 3527 497 884 Telmex Colombia S.A., CO 13999 2495 338 638 Mega Cable, S.A. de C.V., MX 11830 2006 369 64 Instituto Costarricense de Electricidad 28573 1343 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1305 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1237 340 498 Axtel, S.A.B. de C.V., MX 11664 1117 178 423 Techtel LMDS Comunicaciones Interactiva 28202 1105 52 9 Rede Brasileira de Comunicacao SA, BR 6147 1089 369 22 Telefonica del Peru S.A.A., PE 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 37457 1627 316 48 Telkom-Internet, ZA 24835 1548 545 28 RAYA-AS, EG 24863 1527 389 16 LINKdotNET-AS, EG 36992 1364 1518 282 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1089 70 52 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 36914 548 82 3 KENET-AS, KE 15399 540 55 48 WANANCHI-, 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 12334 3380 616 UNINET, MX 9808 9770 8739 51 CHINAMOBILE-CN China Mobile Communicati 16509 9469 11199 3372 AMAZON-02, US 12479 7561 1714 146 UNI2-AS, ES 7545 5678 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 280 55 ALJAWWALSTC-AS, SA 18403 4575 347 25 FPT-AS-AP FPT Telecom Company, VN 11492 4567 303 671 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 174 4086 6635 652 COGENT-174, 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 9770 9719 CHINAMOBILE-CN China Mobile Communications Grou 12479 7561 7415 UNI2-AS, ES 16509 9469 6097 AMAZON-02, US 7545 5678 4992 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 4603 ALJAWWALSTC-AS, SA 18403 4575 4550 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4081 VIASAT-SP-BACKBONE, US 20940 4031 3898 AKAMAI-ASN1, NL 11492 4567 3896 CABLEONE, US 7552 3860 3840 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 65536 DOCUMENT 5.102.30.0/24 198471 LINKEM-AS, IT 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 19589 UNALLOCATED 8.19.242.0/24 23314 ORLANDOTELCO, US 19589 UNALLOCATED 8.19.248.0/24 23314 ORLANDOTELCO, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, 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 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 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 41.57.124.0/22 Origin: 37442 RESERVED, ZZ 41.57.124.0/22 Transit: 37204 TELONE, ZW 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 /9:14 /10:36 /11:99 /12:301 /13:577 /14:1204 /15:2122 /16:13531 /17:8303 /18:14008 /19:25160 /20:44186 /21:52269 /22:111921 /23:102766 /24:579769 /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 6646 7561 UNI2-AS, ES 8151 6308 12334 UNINET, MX 11492 3481 4567 CABLEONE, US 6327 3374 3567 SHAW, CA 39891 3340 4658 ALJAWWALSTC-AS, SA 7155 3121 4177 VIASAT-SP-BACKBONE, US 22773 2554 3518 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2289 2813 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 10620 2130 3527 Telmex Colombia S.A., CO 30036 2130 2473 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2297 2:1484 3:284 4:7 5:4526 6:163 7:6 8:1537 9:1 11:172 12:1484 13:369 14:2338 15:310 16:203 17:362 18:713 20:366 21:4 22:188 23:6634 24:3086 25:2 27:2597 29:19 31:2585 32:60 34:37 35:121 36:2156 37:4518 38:7082 39:889 40:149 41:4480 42:2214 43:2338 44:327 45:17530 46:4379 47:286 49:1907 50:1913 51:578 52:1593 54:360 55:858 56:5 57:144 58:1952 59:1151 60:1017 61:2661 62:2811 63:1922 64:5689 65:2358 66:5041 67:3088 68:1341 69:4124 70:1343 71:588 72:2985 74:2670 75:1588 76:622 77:2456 78:1840 79:2588 80:2160 81:1932 82:1541 83:1286 84:1643 85:3133 86:775 87:2066 88:1272 89:3994 90:659 91:8033 92:2184 93:2660 94:3650 95:4045 96:1288 97:318 98:1018 99:746 100:96 101:1167 102:3535 103:32659 104:4807 105:2104 106:909 107:2745 108:1130 109:4087 110:2136 111:3149 112:2094 113:1747 114:1757 115:2086 116:1967 117:2640 118:2766 119:1968 120:1767 121:1283 122:2665 123:2200 124:1552 125:2811 126:28 128:1497 129:1000 130:1102 131:2038 132:842 133:410 134:1708 135:350 136:927 137:1011 138:2966 139:1563 140:1300 141:1360 142:1562 143:1577 144:1005 145:342 146:2000 147:1662 148:2507 149:2490 150:1030 151:1309 152:1975 153:598 154:5832 155:1380 156:2116 157:1412 158:1088 159:2213 160:2691 161:1631 162:3614 163:1692 164:1686 165:2154 166:1070 167:1724 168:4022 169:818 170:4961 171:995 172:3790 173:3033 174:896 175:1237 176:3707 177:5404 178:3551 179:2478 180:2380 181:3748 182:3419 183:1997 184:2287 185:20768 186:5179 187:4813 188:4135 189:4330 190:9547 191:1949 192:11053 193:9022 194:7411 195:5294 196:3501 197:2735 198:5965 199:7048 200:8494 201:6425 202:10398 203:10235 204:4610 205:3668 206:4464 207:3501 208:4143 209:4947 210:4455 211:2502 212:4263 213:3466 214:1110 215:44 216:6826 217:2876 218:1308 219:414 220:2047 221:1023 222:686 223:2203 End of report