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 24 Dec, 2022 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: 935204 Prefixes after maximum aggregation (per Origin AS): 347444 Deaggregation factor: 2.69 Unique aggregates announced (without unneeded subnets): 444294 Number of IPv4 prefixes with a valid ROA: 384176 Number of IPv4 prefixes with an invalid ROA: 2749 Number of IPv4 prefixes with no ROA: 548279 Total ASes present in the Internet Routing Table: 73997 Prefixes per ASN: 12.64 Origin-only ASes present in the Internet Routing Table: 63789 Origin ASes announcing only one prefix: 25618 Transit ASes present in the Internet Routing Table: 10208 Transit-only ASes present in the Internet Routing Table: 409 Paths with bogon ASNs present in the IPv4 Routing Table: 130 Average AS path length visible in the Internet Routing Table: 5.8 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1027 Number of instances of unregistered ASNs: 1037 Number of 32-bit ASNs allocated by the RIRs: 40965 Number of 32-bit ASNs visible in the Routing Table: 33946 Prefixes from 32-bit ASNs in the Routing Table: 172626 Number of bogon 32-bit ASNs visible in the Routing Table: 43 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 525 Number of addresses announced to Internet: 3065675776 Equivalent to 182 /8s, 186 /16s and 128 /24s Percentage of available address space announced: 82.8 Percentage of allocated address space announced: 82.8 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: 323435 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 236440 Total APNIC prefixes after maximum aggregation: 68036 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 231352 Unique aggregates announced from the APNIC address blocks: 97500 APNIC Region origin ASes present in the Internet Routing Table: 13153 APNIC Prefixes per ASN: 17.59 APNIC Region origin ASes announcing only one prefix: 3833 APNIC Region transit ASes present in the Internet Routing Table: 1756 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8437 Number of APNIC addresses announced to Internet: 773382656 Equivalent to 46 /8s, 24 /16s and 226 /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: 269442 Total ARIN prefixes after maximum aggregation: 122123 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 270942 Unique aggregates announced from the ARIN address blocks: 129521 ARIN Region origin ASes present in the Internet Routing Table: 19063 ARIN Prefixes per ASN: 14.21 ARIN Region origin ASes announcing only one prefix: 6981 ARIN Region transit ASes present in the Internet Routing Table: 1865 Average ARIN Region AS path length visible: 5.7 Max ARIN Region AS path length visible: 37 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4704 Number of ARIN addresses announced to Internet: 1287930112 Equivalent to 76 /8s, 196 /16s and 65 /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: 267209 Total RIPE prefixes after maximum aggregation: 122432 RIPE Deaggregation factor: 2.18 Prefixes being announced from the RIPE address blocks: 263975 Unique aggregates announced from the RIPE address blocks: 155903 RIPE Region origin ASes present in the Internet Routing Table: 28228 RIPE Prefixes per ASN: 9.35 RIPE Region origin ASes announcing only one prefix: 11993 RIPE Region transit ASes present in the Internet Routing Table: 3842 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 35 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10962 Number of RIPE addresses announced to Internet: 719688448 Equivalent to 42 /8s, 229 /16s and 147 /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: 128341 Total LACNIC prefixes after maximum aggregation: 28296 LACNIC Deaggregation factor: 4.54 Prefixes being announced from the LACNIC address blocks: 127550 Unique aggregates announced from the LACNIC address blocks: 48934 LACNIC Region origin ASes present in the Internet Routing Table: 11015 LACNIC Prefixes per ASN: 11.58 LACNIC Region origin ASes announcing only one prefix: 2255 LACNIC Region transit ASes present in the Internet Routing Table: 2254 Average LACNIC Region AS path length visible: 6.2 Max LACNIC Region AS path length visible: 57 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8782 Number of LACNIC addresses announced to Internet: 176065024 Equivalent to 10 /8s, 126 /16s and 138 /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: 32745 Total AfriNIC prefixes after maximum aggregation: 5782 AfriNIC Deaggregation factor: 5.66 Prefixes being announced from the AfriNIC address blocks: 40860 Unique aggregates announced from the AfriNIC address blocks: 12010 AfriNIC Region origin ASes present in the Internet Routing Table: 1724 AfriNIC Prefixes per ASN: 23.70 AfriNIC Region origin ASes announcing only one prefix: 556 AfriNIC Region transit ASes present in the Internet Routing Table: 336 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1061 Number of AfriNIC addresses announced to Internet: 108311040 Equivalent to 6 /8s, 116 /16s and 178 /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 9160 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5943 787 703 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3625 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3522 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3371 1874 94 VNPT-AS-VN VNPT Corp, VN 9498 2683 499 240 BBIL-AP BHARTI Airtel Ltd., IN 24560 2349 849 437 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2285 11250 590 KIXS-AS-KR Korea Telecom, KR 45090 2186 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2161 440 215 TATACOMM-AS TATA Communications formerl 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 7738 10635 2929 AMAZON-02, US 11492 4546 301 565 CABLEONE, US 7155 3894 265 33 VIASAT-SP-BACKBONE, US 22773 3704 3066 328 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3520 1320 63 SHAW, CA 16625 3481 1805 2522 AKAMAI-AS, US 749 3026 50577 2293 DNIC-AS-00749, US 7018 2612 24131 1586 ATT-INTERNET4, US 396982 2574 3493 369 GOOGLE-CLOUD-PLATFORM, US 30036 2563 368 393 MEDIACOM-ENTERPRISE-BUSINESS, 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 6959 1706 146 UNI2-AS, ES 9121 5895 1692 17 TTNET, TR 39891 4560 269 57 ALJAWWALSTC-AS, SA 20940 4062 3400 179 AKAMAI-ASN1, NL 8551 3699 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 47331 3049 448 2287 TTNET, TR 12389 2916 2290 907 ROSTELECOM-AS, RU 9009 2654 252 1360 M247, RO 34984 2255 358 611 TELLCOM-AS, TR 6849 2238 339 20 UKRTELNET, UA 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 10925 3340 593 Uninet S.A. de C.V., MX 10620 3466 507 852 Telmex Colombia S.A., CO 11830 2262 369 64 Instituto Costarricense de Electricidad 13999 2192 358 584 Mega Cable, S.A. de C.V., MX 28573 1341 2328 258 Claro NXT Telecomunicacoes Ltda, BR 6503 1296 339 518 Axtel, S.A.B. de C.V., MX 3816 1291 740 156 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1152 370 22 Telefonica del Peru S.A.A., PE 11664 1138 186 467 Techtel LMDS Comunicaciones Interactiva 26615 991 2466 43 TIM SA, BR 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 1895 326 57 Telkom-Internet, ZA 24835 1516 537 32 RAYA-AS, EG 24863 1488 393 21 LINKdotNET-AS, EG 36992 1321 1518 274 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1012 67 39 ORANGE-COTE-IVOIRE, CI 36935 882 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 506 52 36 WANANCHI-, KE 37342 494 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 10925 3340 593 Uninet S.A. de C.V., MX 9808 9160 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7738 10635 2929 AMAZON-02, US 12479 6959 1706 146 UNI2-AS, ES 7545 5943 787 703 TPG-INTERNET-AP TPG Telecom Limited, AU 9121 5895 1692 17 TTNET, TR 39891 4560 269 57 ALJAWWALSTC-AS, SA 11492 4546 301 565 CABLEONE, US 20940 4062 3400 179 AKAMAI-ASN1, NL 7155 3894 265 33 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 9160 9113 CHINAMOBILE-CN China Mobile Communications Grou 12479 6959 6813 UNI2-AS, ES 9121 5895 5878 TTNET, TR 7545 5943 5240 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7738 4809 AMAZON-02, US 39891 4560 4503 ALJAWWALSTC-AS, SA 11492 4546 3981 CABLEONE, US 20940 4062 3883 AKAMAI-ASN1, NL 7155 3894 3861 VIASAT-SP-BACKBONE, US 8551 3699 3661 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 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 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 16641 UNALLOCATED 8.10.194.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.10.210.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.12.250.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.14.115.0/24 3356 LEVEL3, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 25674 UNALLOCATED 8.19.146.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, 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 1103 SURFNET-NL SURFnet, The Netherlands, NL 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 23.131.185.0/24 Origin: 174 COGENT-174, US 23.131.185.0/24 Transit: 16637 MTNNS-AS, ZA 23.131.186.0/24 Origin: 174 COGENT-174, US 23.131.186.0/24 Transit: 16637 MTNNS-AS, ZA 23.131.187.0/24 Origin: 174 COGENT-174, US 23.131.187.0/24 Transit: 16637 MTNNS-AS, ZA 23.131.190.0/24 Origin: 7018 ATT-INTERNET4, US 23.131.190.0/24 Transit: 6939 HURRICANE, US 23.131.191.0/24 Origin: 212238 CDNEXT, GB 23.131.191.0/24 Transit: 60068 CDN77 \^_^, GB 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 /10:38 /11:101 /12:297 /13:586 /14:1207 /15:2101 /16:13575 /17:8382 /18:14083 /19:25168 /20:43880 /21:53001 /22:111134 /23:101416 /24:560206 /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 6005 6959 UNI2-AS, ES 9121 5106 5895 TTNET, TR 8151 4911 10925 Uninet S.A. de C.V., MX 39891 3551 4560 ALJAWWALSTC-AS, SA 11492 3453 4546 CABLEONE, US 6327 3328 3520 SHAW, CA 8551 3164 3699 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 2983 3894 VIASAT-SP-BACKBONE, US 22773 2730 3704 ASN-CXA-ALL-CCI-22773-RDC, US 47331 2634 3049 TTNET, TR Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1625 2:1240 3:168 4:7 5:4338 6:110 7:5 8:1561 9:1 11:172 12:1609 13:370 14:2366 15:282 16:76 17:371 18:409 20:247 21:4 22:188 23:6030 24:2518 25:4 27:2790 29:19 31:2530 32:108 34:8 35:95 36:1845 37:4657 38:3987 39:823 40:154 41:4392 42:1045 43:2327 44:309 45:17671 46:4290 47:380 49:1720 50:1945 51:375 52:1544 54:396 55:752 56:8 57:89 58:1746 59:1110 60:1007 61:2473 62:2696 63:1949 64:5672 65:2340 66:4997 67:3070 68:1393 69:4172 70:1256 71:665 72:3066 74:2623 75:1472 76:595 77:2466 78:4033 79:2943 80:2089 81:1858 82:1492 83:1247 84:1508 85:3777 86:745 87:2022 88:2912 89:3580 90:593 91:7742 92:1992 93:2586 94:3577 95:4868 96:1315 97:345 98:1178 99:740 100:75 101:1294 102:2887 103:30856 104:4636 105:1993 106:848 107:2544 108:925 109:4391 110:2040 111:3267 112:2035 113:1531 114:1614 115:2133 116:1908 117:2488 118:2287 119:1910 120:1699 121:1062 122:2606 123:2182 124:1528 125:2279 128:1323 129:1135 130:987 131:2209 132:854 133:403 134:1896 135:335 136:888 137:929 138:2860 139:1501 140:1031 141:1495 142:1421 143:1528 144:1193 145:353 146:1900 147:1530 148:2291 149:1863 150:877 151:1149 152:1971 153:559 154:3906 155:1416 156:1644 157:1299 158:1049 159:2233 160:2677 161:1436 162:3582 163:1501 164:1738 165:1696 166:820 167:1745 168:4183 169:953 170:4996 171:886 172:3530 173:3085 174:1025 175:1179 176:3691 177:6147 178:3554 179:2619 180:2378 181:3445 182:3234 183:1915 184:2367 185:20160 186:5075 187:4554 188:4224 189:3899 190:9192 191:1834 192:11011 193:8865 194:7261 195:5188 196:3223 197:2769 198:6005 199:6122 200:8112 201:6140 202:10473 203:10218 204:4612 205:3523 206:3868 207:3400 208:4133 209:4850 210:4232 211:2398 212:4136 213:3579 214:1104 215:55 216:6636 217:2746 218:1266 219:415 220:2031 221:956 222:663 223:1980 End of report