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 13 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: 955775 Prefixes after maximum aggregation (per Origin AS): 356729 Deaggregation factor: 2.68 Unique aggregates announced (without unneeded subnets): 455639 Number of IPv4 prefixes with a valid ROA: 447819 Number of IPv4 prefixes with an invalid ROA: 2433 Number of IPv4 prefixes with no ROA: 505523 Total ASes present in the Internet Routing Table: 75271 Prefixes per ASN: 12.70 Origin-only ASes present in the Internet Routing Table: 64773 Origin ASes announcing only one prefix: 26106 Transit ASes present in the Internet Routing Table: 10498 Transit-only ASes present in the Internet Routing Table: 484 Paths with bogon ASNs present in the IPv4 Routing Table: 94 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: 1126 Number of instances of unregistered ASNs: 1128 Number of 32-bit ASNs allocated by the RIRs: 43384 Number of 32-bit ASNs visible in the Routing Table: 35703 Prefixes from 32-bit ASNs in the Routing Table: 185024 Number of bogon 32-bit ASNs visible in the Routing Table: 19 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 490 Number of addresses announced to Internet: 3047154176 Equivalent to 181 /8s, 159 /16s and 226 /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: 320710 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 248065 Total APNIC prefixes after maximum aggregation: 72004 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 241023 Unique aggregates announced from the APNIC address blocks: 99794 APNIC Region origin ASes present in the Internet Routing Table: 13883 APNIC Prefixes per ASN: 17.36 APNIC Region origin ASes announcing only one prefix: 4200 APNIC Region transit ASes present in the Internet Routing Table: 1852 Average APNIC Region AS path length visible: 8.0 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9262 Number of APNIC addresses announced to Internet: 774330624 Equivalent to 46 /8s, 39 /16s and 89 /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: 277152 Total ARIN prefixes after maximum aggregation: 123672 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 282332 Unique aggregates announced from the ARIN address blocks: 132013 ARIN Region origin ASes present in the Internet Routing Table: 19061 ARIN Prefixes per ASN: 14.81 ARIN Region origin ASes announcing only one prefix: 6932 ARIN Region transit ASes present in the Internet Routing Table: 1889 Average ARIN Region AS path length visible: 7.7 Max ARIN Region AS path length visible: 29 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4835 Number of ARIN addresses announced to Internet: 1272322816 Equivalent to 75 /8s, 214 /16s and 27 /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: 266211 Total RIPE prefixes after maximum aggregation: 125354 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 260409 Unique aggregates announced from the RIPE address blocks: 161161 RIPE Region origin ASes present in the Internet Routing Table: 28557 RIPE Prefixes per ASN: 9.12 RIPE Region origin ASes announcing only one prefix: 12111 RIPE Region transit ASes present in the Internet Routing Table: 3863 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: 11535 Number of RIPE addresses announced to Internet: 714662400 Equivalent to 42 /8s, 152 /16s and 226 /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: 128676 Total LACNIC prefixes after maximum aggregation: 28834 LACNIC Deaggregation factor: 4.46 Prefixes being announced from the LACNIC address blocks: 127248 Unique aggregates announced from the LACNIC address blocks: 49429 LACNIC Region origin ASes present in the Internet Routing Table: 11051 LACNIC Prefixes per ASN: 11.51 LACNIC Region origin ASes announcing only one prefix: 2266 LACNIC Region transit ASes present in the Internet Routing Table: 2383 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: 8909 Number of LACNIC addresses announced to Internet: 177536768 Equivalent to 10 /8s, 148 /16s and 255 /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: 34545 Total AfriNIC prefixes after maximum aggregation: 6125 AfriNIC Deaggregation factor: 5.64 Prefixes being announced from the AfriNIC address blocks: 44273 Unique aggregates announced from the AfriNIC address blocks: 12832 AfriNIC Region origin ASes present in the Internet Routing Table: 1821 AfriNIC Prefixes per ASN: 24.31 AfriNIC Region origin ASes announcing only one prefix: 597 AfriNIC Region transit ASes present in the Internet Routing Table: 350 Average AfriNIC Region AS path length visible: 6.6 Max AfriNIC Region AS path length visible: 29 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1162 Number of AfriNIC addresses announced to Internet: 108013312 Equivalent to 6 /8s, 112 /16s and 39 /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 9772 8739 51 CHINAMOBILE-CN China Mobile Communicati 7545 5673 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4545 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3854 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3605 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3433 499 257 BBIL-AP BHARTI Airtel Ltd., IN 45899 3361 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2674 859 372 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2188 442 199 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 9472 11204 3363 AMAZON-02, US 11492 4569 303 660 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 174 4032 6631 638 COGENT-174, US 6327 3569 1320 70 SHAW, CA 22773 3514 3059 302 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3286 1434 2350 AKAMAI-AS, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2952 3825 1419 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 7547 1714 146 UNI2-AS, ES 39891 4658 280 55 ALJAWWALSTC-AS, SA 20940 4034 3397 141 AKAMAI-ASN1, NL 9009 3475 299 1634 M247, RO 12389 2985 2301 912 ROSTELECOM-AS, RU 8551 2971 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2325 359 599 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1515 873 581 TCI, IR 8452 1475 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 12240 3380 615 UNINET, MX 10620 3524 497 889 Telmex Colombia S.A., CO 13999 2498 340 638 Mega Cable, S.A. de C.V., MX 11830 2006 369 64 Instituto Costarricense de Electricidad 28573 1346 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1308 788 193 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1238 340 499 Axtel, S.A.B. de C.V., MX 11664 1116 179 420 Techtel LMDS Comunicaciones Interactiva 28202 1103 52 9 Rede Brasileira de Comunicacao SA, BR 6147 1088 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 1539 389 16 LINKdotNET-AS, EG 36992 1361 1518 280 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1081 69 55 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 552 1861 34 IAM-AS, MA 36914 545 82 3 KENET-AS, KE 15399 543 55 49 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 12240 3380 615 UNINET, MX 9808 9772 8739 51 CHINAMOBILE-CN China Mobile Communicati 16509 9472 11204 3363 AMAZON-02, US 12479 7547 1714 146 UNI2-AS, ES 7545 5673 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 280 55 ALJAWWALSTC-AS, SA 11492 4569 303 660 CABLEONE, US 18403 4545 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4177 288 96 VIASAT-SP-BACKBONE, US 20940 4034 3397 141 AKAMAI-ASN1, NL 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 9772 9721 CHINAMOBILE-CN China Mobile Communications Grou 12479 7547 7401 UNI2-AS, ES 16509 9472 6109 AMAZON-02, US 7545 5673 4987 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 4603 ALJAWWALSTC-AS, SA 18403 4545 4520 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4081 VIASAT-SP-BACKBONE, US 11492 4569 3909 CABLEONE, US 20940 4034 3893 AKAMAI-ASN1, NL 7552 3854 3834 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 /16:13517 /17:8308 /18:13993 /19:25153 /20:44170 /21:52319 /22:111957 /23:102699 /24:579290 /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 6632 7547 UNI2-AS, ES 8151 6233 12240 UNINET, MX 11492 3482 4569 CABLEONE, US 6327 3374 3569 SHAW, CA 39891 3340 4658 ALJAWWALSTC-AS, SA 7155 3121 4177 VIASAT-SP-BACKBONE, US 22773 2555 3514 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2448 2971 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2128 2472 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2127 3524 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) ---------------------------------------------- 1:2278 2:1482 3:282 4:7 5:4524 6:163 7:6 8:1540 9:1 11:172 12:1487 13:375 14:2333 15:310 16:204 17:362 18:715 20:364 21:4 22:188 23:6625 24:3080 25:2 27:2593 29:19 31:2583 32:62 34:37 35:121 36:2156 37:4521 38:7024 39:888 40:147 41:4495 42:2207 43:2338 44:329 45:17467 46:4370 47:285 49:1905 50:1901 51:578 52:1592 54:366 55:856 56:5 57:139 58:1948 59:1115 60:1013 61:2661 62:2822 63:1917 64:5690 65:2360 66:5088 67:3087 68:1345 69:4119 70:1345 71:588 72:2996 74:2673 75:1589 76:622 77:2460 78:1840 79:2736 80:2158 81:1915 82:1548 83:1331 84:1641 85:3120 86:777 87:2059 88:1279 89:3993 90:661 91:8026 92:2190 93:2652 94:3653 95:4040 96:1289 97:315 98:1016 99:746 100:95 101:1156 102:3533 103:32679 104:4800 105:2105 106:908 107:2743 108:1128 109:4106 110:2137 111:3167 112:2080 113:1735 114:1761 115:2085 116:1968 117:2637 118:2776 119:1963 120:1767 121:1280 122:2659 123:2201 124:1592 125:2787 126:28 128:1491 129:995 130:1098 131:2018 132:842 133:410 134:1708 135:347 136:923 137:1006 138:2937 139:1565 140:1360 141:1357 142:1562 143:1567 144:999 145:342 146:2002 147:1659 148:2499 149:2489 150:1034 151:1307 152:1967 153:599 154:5799 155:1382 156:2120 157:1396 158:1086 159:2217 160:2698 161:1630 162:3630 163:1693 164:1682 165:2157 166:1069 167:1722 168:4026 169:824 170:4936 171:988 172:3798 173:3025 174:896 175:1238 176:3697 177:5413 178:3567 179:2482 180:2369 181:3733 182:3416 183:1995 184:2274 185:20752 186:5110 187:4724 188:4140 189:4312 190:9542 191:1932 192:11046 193:9010 194:7420 195:5303 196:3495 197:2732 198:5963 199:6990 200:8457 201:6344 202:10469 203:10229 204:4606 205:3688 206:4443 207:3465 208:4123 209:4954 210:4453 211:2503 212:4269 213:3462 214:1109 215:44 216:6823 217:2877 218:1312 219:415 220:2042 221:1022 222:685 223:2197 End of report