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 12 Feb, 2022 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: 877442 Prefixes after maximum aggregation (per Origin AS): 332812 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 427438 Number of IPv4 prefixes with a valid ROA: 595829 Number of IPv4 prefixes with an invalid ROA: 4913 Number of IPv4 prefixes with no ROA: 1154142 Total ASes present in the Internet Routing Table: 72760 Prefixes per ASN: 12.06 Origin-only ASes present in the Internet Routing Table: 62573 Origin ASes announcing only one prefix: 25748 Transit ASes present in the Internet Routing Table: 10187 Transit-only ASes present in the Internet Routing Table: 354 Average AS path length visible in the Internet Routing Table: 6.1 Max AS path length visible: 250 Max AS path prepend of ASN ( 21299) 245 Prefixes from unregistered ASNs in the Routing Table: 949 Number of instances of unregistered ASNs: 953 Number of 32-bit ASNs allocated by the RIRs: 38548 Number of 32-bit ASNs visible in the Routing Table: 32106 Prefixes from 32-bit ASNs in the Routing Table: 150103 Number of bogon 32-bit ASNs visible in the Routing Table: 37 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 563 Number of addresses announced to Internet: 3067907328 Equivalent to 182 /8s, 220 /16s and 141 /24s Percentage of available address space announced: 82.9 Percentage of allocated address space announced: 82.9 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.5 Total number of prefixes smaller than registry allocations: 295583 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 226262 Total APNIC prefixes after maximum aggregation: 65320 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 221204 Unique aggregates announced from the APNIC address blocks: 94064 APNIC Region origin ASes present in the Internet Routing Table: 12326 APNIC Prefixes per ASN: 17.95 APNIC Region origin ASes announcing only one prefix: 3517 APNIC Region transit ASes present in the Internet Routing Table: 1686 Average APNIC Region AS path length visible: 6.5 Max APNIC Region AS path length visible: 31 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7560 Number of APNIC addresses announced to Internet: 773811456 Equivalent to 46 /8s, 31 /16s and 109 /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, 131072-151865 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: 258460 Total ARIN prefixes after maximum aggregation: 118881 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 258508 Unique aggregates announced from the ARIN address blocks: 123416 ARIN Region origin ASes present in the Internet Routing Table: 18968 ARIN Prefixes per ASN: 13.63 ARIN Region origin ASes announcing only one prefix: 6899 ARIN Region transit ASes present in the Internet Routing Table: 1916 Average ARIN Region AS path length visible: 5.9 Max ARIN Region AS path length visible: 38 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4339 Number of ARIN addresses announced to Internet: 1295914240 Equivalent to 77 /8s, 62 /16s and 21 /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: 246430 Total RIPE prefixes after maximum aggregation: 115115 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 242748 Unique aggregates announced from the RIPE address blocks: 149057 RIPE Region origin ASes present in the Internet Routing Table: 28183 RIPE Prefixes per ASN: 8.61 RIPE Region origin ASes announcing only one prefix: 12133 RIPE Region transit ASes present in the Internet Routing Table: 3922 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 250 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10645 Number of RIPE addresses announced to Internet: 713463296 Equivalent to 42 /8s, 134 /16s and 150 /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 196608-213403 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: 114252 Total LACNIC prefixes after maximum aggregation: 27344 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 114969 Unique aggregates announced from the LACNIC address blocks: 48640 LACNIC Region origin ASes present in the Internet Routing Table: 10946 LACNIC Prefixes per ASN: 10.50 LACNIC Region origin ASes announcing only one prefix: 2671 LACNIC Region transit ASes present in the Internet Routing Table: 2195 Average LACNIC Region AS path length visible: 6.6 Max LACNIC Region AS path length visible: 57 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8631 Number of LACNIC addresses announced to Internet: 176251904 Equivalent to 10 /8s, 129 /16s and 100 /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: 31089 Total AfriNIC prefixes after maximum aggregation: 5447 AfriNIC Deaggregation factor: 5.71 Prefixes being announced from the AfriNIC address blocks: 39450 Unique aggregates announced from the AfriNIC address blocks: 11782 AfriNIC Region origin ASes present in the Internet Routing Table: 1596 AfriNIC Prefixes per ASN: 24.72 AfriNIC Region origin ASes announcing only one prefix: 528 AfriNIC Region transit ASes present in the Internet Routing Table: 316 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 36 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 931 Number of AfriNIC addresses announced to Internet: 108100096 Equivalent to 6 /8s, 113 /16s and 122 /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 9042 8881 37 CHINAMOBILE-CN China Mobile Communicati 7545 5867 788 690 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3608 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3493 1038 51 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3435 1880 57 VNPT-AS-VN VNPT Corp, VN 9498 2316 475 235 BBIL-AP BHARTI Airtel Ltd., IN 4766 2303 11121 615 KIXS-AS-KR Korea Telecom, KR 45090 2170 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2116 429 200 TATACOMM-AS TATA Communications formerl 24560 2040 856 364 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 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 6285 10160 2672 AMAZON-02, US 11492 4501 298 790 CABLEONE, US 22773 3951 3009 358 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3902 264 30 VIASAT-SP-BACKBONE, US 16625 3655 1886 2565 AKAMAI-AS, US 6327 3374 1318 62 SHAW, CA 749 2887 50780 2143 DNIC-AS-00749, US 30036 2609 374 144 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2519 4962 428 CENTURYLINK-US-LEGACY-QWEST, US 20115 2253 3036 500 CHARTER-20115, 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 6801 1715 152 UNI2-AS, ES 8551 4006 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3893 3359 188 AKAMAI-ASN1, NL 39891 3274 188 25 ALJAWWALSTC-AS, SA 12389 2934 2274 909 ROSTELECOM-AS, RU 9009 2467 250 1282 M247, GB 34984 2225 358 604 TELLCOM-AS, TR 58224 1791 929 580 TCI, IR 13188 1610 100 27 TRIOLAN, UA 25019 1467 1069 166 SAUDINETSTC-AS, SA 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 10277 3415 566 Uninet S.A. de C.V., MX 10620 3459 519 716 Telmex Colombia S.A., CO 11830 2456 369 62 Instituto Costarricense de Electricidad 13999 1667 284 474 Mega Cable, S.A. de C.V., MX 6503 1442 355 525 Axtel, S.A.B. de C.V., MX 28573 1384 2330 246 CLARO S.A., BR 3816 1246 651 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 26615 1149 2351 140 TIM SA, BR 6147 1097 369 21 Telefonica del Peru S.A.A., PE 11664 1001 191 447 Techtel LMDS Comunicaciones Interactiva 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 1938 326 60 Telkom-Internet, ZA 24863 1590 393 21 LINKdotNET-AS, EG 24835 1546 515 32 RAYA-AS, EG 36992 1299 1518 262 ETISALAT-MISR, EG 36903 1195 543 114 MT-MPLS, MA 29571 894 63 56 ORANGE-COTE-IVOIRE, CI 36935 735 521 39 Vodafone-, EG 6713 613 1863 34 IAM-AS, MA 15399 501 50 29 WANANCHI-, KE 37342 468 32 1 MOVITEL, MZ 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 10277 3415 566 Uninet S.A. de C.V., MX 9808 9042 8881 37 CHINAMOBILE-CN China Mobile Communicati 12479 6801 1715 152 UNI2-AS, ES 16509 6285 10160 2672 AMAZON-02, US 7545 5867 788 690 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4501 298 790 CABLEONE, US 8551 4006 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 22773 3951 3009 358 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3902 264 30 VIASAT-SP-BACKBONE, US 20940 3893 3359 188 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 9042 9005 CHINAMOBILE-CN China Mobile Communications Grou 12479 6801 6649 UNI2-AS, ES 7545 5867 5177 TPG-INTERNET-AP TPG Telecom Limited, AU 8551 4006 3967 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3902 3872 VIASAT-SP-BACKBONE, US 11492 4501 3711 CABLEONE, US 20940 3893 3705 AKAMAI-ASN1, NL 16509 6285 3613 AMAZON-02, US 22773 3951 3593 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3608 3588 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 65000 PRIVATE 5.227.24.0/22 8580 SANDY MTS Nizhniy Novgorod, 46990 UNALLOCATED 8.5.242.0/23 3356 LEVEL3, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 18604 UNALLOCATED 8.25.204.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 395056 UNALLOCATED 8.45.133.0/24 3356 LEVEL3, US 32306 UNALLOCATED 8.46.80.0/24 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 198.51.100.0/24 29766 CHSPSC-29766, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.252.160.0/24 Origin: 398968 GROUP-IID-01, US 23.252.160.0/24 Transit: 174 COGENT-174, US 23.252.161.0/24 Origin: 398968 GROUP-IID-01, US 23.252.161.0/24 Transit: 174 COGENT-174, US 23.252.163.0/24 Origin: 398968 GROUP-IID-01, US 23.252.163.0/24 Transit: 174 COGENT-174, US 23.252.164.0/24 Origin: 398968 GROUP-IID-01, US 23.252.164.0/24 Transit: 174 COGENT-174, 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 /9:13 /10:39 /11:100 /12:301 /13:589 /14:1201 /15:2070 /16:13568 /17:8342 /18:13858 /19:24926 /20:41945 /21:51044 /22:107339 /23:93938 /24:518153 /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 5765 6801 UNI2-AS, ES 8151 3952 10277 Uninet S.A. de C.V., MX 8551 3471 4006 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3422 4501 CABLEONE, US 6327 3186 3374 SHAW, CA 7155 2992 3902 VIASAT-SP-BACKBONE, US 22773 2953 3951 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2810 3274 ALJAWWALSTC-AS, SA 30036 2264 2609 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 1943 3459 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) ---------------------------------------------- 1:1708 2:997 3:153 4:9 5:3770 6:103 7:5 8:1544 9:1 11:172 12:1720 13:415 14:2376 15:160 16:38 17:368 18:141 20:171 21:4 22:188 23:5478 24:2330 25:6 27:2598 29:19 31:2418 32:97 34:1 35:58 36:1729 37:3952 38:2508 39:681 40:149 41:4334 42:857 43:2074 44:293 45:15974 46:3872 47:303 49:1628 50:1911 51:107 52:1366 53:1 54:293 55:755 56:8 57:57 58:1650 59:1078 60:955 61:2242 62:2455 63:1901 64:5482 65:2307 66:4902 67:2931 68:1179 69:4158 70:1347 71:672 72:3057 74:2629 75:1515 76:717 77:2131 78:1779 79:3101 80:1959 81:1535 82:1462 83:1195 84:1324 85:2890 86:713 87:1961 88:998 89:3188 90:507 91:7541 92:1887 93:2589 94:3260 95:3572 96:1309 97:345 98:987 99:862 100:75 101:1028 102:2134 103:28186 104:4140 105:2049 106:811 107:2460 108:772 109:4189 110:2041 111:3204 112:1959 113:1431 114:1501 115:1943 116:1862 117:2510 118:2239 119:1809 120:1629 121:979 122:2507 123:2083 124:1548 125:2034 128:1353 129:1263 130:925 131:2076 132:793 133:368 134:1927 135:286 136:860 137:864 138:2452 139:1223 140:888 141:1365 142:1255 143:1441 144:1233 145:344 146:1770 147:1465 148:2219 149:1688 150:856 151:1081 152:1830 153:448 154:3602 155:1339 156:1877 157:1218 158:1011 159:2045 160:2435 161:1299 162:3448 163:1214 164:1679 165:1593 166:628 167:1681 168:3717 169:709 170:4321 171:823 172:3005 173:3051 174:1024 175:1125 176:3520 177:4598 178:3036 179:1989 180:2277 181:2904 182:3196 183:1868 184:2394 185:19333 186:4310 187:3557 188:3805 189:3014 190:8836 191:1320 192:11037 193:8526 194:6929 195:4991 196:3078 197:2703 198:6003 199:6003 200:7519 201:5654 202:10143 203:9989 204:4561 205:3364 206:3821 207:3400 208:4011 209:4629 210:4014 211:2343 212:3923 213:3386 214:1157 215:64 216:6373 217:2736 218:1221 219:441 220:1952 221:986 222:685 223:2142 End of report