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 19 Nov, 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: 933098 Prefixes after maximum aggregation (per Origin AS): 345815 Deaggregation factor: 2.70 Unique aggregates announced (without unneeded subnets): 442690 Number of IPv4 prefixes with a valid ROA: 381039 Number of IPv4 prefixes with an invalid ROA: 2777 Number of IPv4 prefixes with no ROA: 549282 Total ASes present in the Internet Routing Table: 73907 Prefixes per ASN: 12.63 Origin-only ASes present in the Internet Routing Table: 63366 Origin ASes announcing only one prefix: 25571 Transit ASes present in the Internet Routing Table: 10541 Transit-only ASes present in the Internet Routing Table: 429 Paths with bogon ASNs present in the IPv4 Routing Table: 131 Average AS path length visible in the Internet Routing Table: 5.6 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1068 Number of instances of unregistered ASNs: 1072 Number of 32-bit ASNs allocated by the RIRs: 40665 Number of 32-bit ASNs visible in the Routing Table: 33749 Prefixes from 32-bit ASNs in the Routing Table: 170956 Number of bogon 32-bit ASNs visible in the Routing Table: 61 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 510 Number of addresses announced to Internet: 3063736320 Equivalent to 182 /8s, 156 /16s and 232 /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: 322188 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 236246 Total APNIC prefixes after maximum aggregation: 67757 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 231148 Unique aggregates announced from the APNIC address blocks: 97184 APNIC Region origin ASes present in the Internet Routing Table: 13069 APNIC Prefixes per ASN: 17.69 APNIC Region origin ASes announcing only one prefix: 3783 APNIC Region transit ASes present in the Internet Routing Table: 1764 Average APNIC Region AS path length visible: 6.0 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8350 Number of APNIC addresses announced to Internet: 773132032 Equivalent to 46 /8s, 21 /16s and 15 /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: 269149 Total ARIN prefixes after maximum aggregation: 121783 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 270770 Unique aggregates announced from the ARIN address blocks: 129272 ARIN Region origin ASes present in the Internet Routing Table: 19091 ARIN Prefixes per ASN: 14.18 ARIN Region origin ASes announcing only one prefix: 6992 ARIN Region transit ASes present in the Internet Routing Table: 1951 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 37 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4684 Number of ARIN addresses announced to Internet: 1289466880 Equivalent to 76 /8s, 219 /16s and 180 /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: 266308 Total RIPE prefixes after maximum aggregation: 121468 RIPE Deaggregation factor: 2.19 Prefixes being announced from the RIPE address blocks: 262855 Unique aggregates announced from the RIPE address blocks: 154988 RIPE Region origin ASes present in the Internet Routing Table: 28194 RIPE Prefixes per ASN: 9.32 RIPE Region origin ASes announcing only one prefix: 11974 RIPE Region transit ASes present in the Internet Routing Table: 4010 Average RIPE Region AS path length visible: 5.4 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10910 Number of RIPE addresses announced to Internet: 716386048 Equivalent to 42 /8s, 179 /16s and 47 /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: 127540 Total LACNIC prefixes after maximum aggregation: 28249 LACNIC Deaggregation factor: 4.51 Prefixes being announced from the LACNIC address blocks: 126847 Unique aggregates announced from the LACNIC address blocks: 48872 LACNIC Region origin ASes present in the Internet Routing Table: 11000 LACNIC Prefixes per ASN: 11.53 LACNIC Region origin ASes announcing only one prefix: 2264 LACNIC Region transit ASes present in the Internet Routing Table: 2284 Average LACNIC Region AS path length visible: 6.1 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8759 Number of LACNIC addresses announced to Internet: 175970048 Equivalent to 10 /8s, 125 /16s and 23 /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: 32787 Total AfriNIC prefixes after maximum aggregation: 5749 AfriNIC Deaggregation factor: 5.70 Prefixes being announced from the AfriNIC address blocks: 40968 Unique aggregates announced from the AfriNIC address blocks: 11950 AfriNIC Region origin ASes present in the Internet Routing Table: 1718 AfriNIC Prefixes per ASN: 23.85 AfriNIC Region origin ASes announcing only one prefix: 558 AfriNIC Region transit ASes present in the Internet Routing Table: 321 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1046 Number of AfriNIC addresses announced to Internet: 108496384 Equivalent to 6 /8s, 119 /16s and 134 /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 9118 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5945 786 696 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3616 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3527 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3483 1877 66 VNPT-AS-VN VNPT Corp, VN 9498 2545 499 239 BBIL-AP BHARTI Airtel Ltd., IN 4766 2290 11250 593 KIXS-AS-KR Korea Telecom, KR 24560 2289 849 415 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2196 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2159 440 214 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 7633 10620 2918 AMAZON-02, US 11492 4593 304 514 CABLEONE, US 7155 3964 265 32 VIASAT-SP-BACKBONE, US 22773 3735 3062 330 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3581 1871 2565 AKAMAI-AS, US 6327 3524 1320 63 SHAW, CA 749 3064 50657 2331 DNIC-AS-00749, US 30036 2599 372 276 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2581 24058 1552 ATT-INTERNET4, US 396982 2564 3482 359 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 6954 1730 144 UNI2-AS, ES 9121 6707 1692 17 TTNET, TR 20940 4134 3400 180 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3987 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2926 2290 911 ROSTELECOM-AS, RU 9009 2654 254 1363 M247, RO 6849 2339 339 20 UKRTELNET, UA 34984 2242 357 615 TELLCOM-AS, TR 47331 2204 337 1674 TTNET, TR 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 10844 3346 595 Uninet S.A. de C.V., MX 10620 3454 506 855 Telmex Colombia S.A., CO 11830 2297 369 64 Instituto Costarricense de Electricidad 13999 2123 347 551 Mega Cable, S.A. de C.V., MX 28573 1332 2328 260 Claro NXT Telecomunicacoes Ltda, BR 6503 1294 338 522 Axtel, S.A.B. de C.V., MX 3816 1280 719 162 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1113 182 478 Techtel LMDS Comunicaciones Interactiva 6147 1087 369 22 Telefonica del Peru S.A.A., PE 26615 988 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 1888 326 57 Telkom-Internet, ZA 24863 1569 393 21 LINKdotNET-AS, EG 24835 1545 521 31 RAYA-AS, EG 36992 1355 1520 270 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1010 67 42 ORANGE-COTE-IVOIRE, CI 36935 828 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 506 51 35 WANANCHI-, KE 37342 484 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 10844 3346 595 Uninet S.A. de C.V., MX 9808 9118 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7633 10620 2918 AMAZON-02, US 12479 6954 1730 144 UNI2-AS, ES 9121 6707 1692 17 TTNET, TR 7545 5945 786 696 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4593 304 514 CABLEONE, US 20940 4134 3400 180 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3987 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 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 9118 9071 CHINAMOBILE-CN China Mobile Communications Grou 12479 6954 6810 UNI2-AS, ES 9121 6707 6690 TTNET, TR 7545 5945 5249 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7633 4715 AMAZON-02, US 11492 4593 4079 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 20940 4134 3954 AKAMAI-ASN1, NL 8551 3987 3949 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3964 3932 VIASAT-SP-BACKBONE, US 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 65000 PRIVATE 5.227.24.0/22 8580 SANDY MTS Nizhniy Novgorod, 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 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 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR 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 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.181.240.0/24 Origin: 399613 UNASSIGNED 23.181.240.0/24 Transit: 11992 CENTENNIAL-, PR 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 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 /11:100 /12:296 /13:586 /14:1204 /15:2103 /16:13599 /17:8413 /18:14123 /19:25217 /20:44053 /21:53048 /22:111143 /23:101281 /24:557865 /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 5977 6954 UNI2-AS, ES 9121 5863 6707 TTNET, TR 8151 4798 10844 Uninet S.A. de C.V., MX 11492 3499 4593 CABLEONE, US 8551 3451 3987 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3332 3524 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 3053 3964 VIASAT-SP-BACKBONE, US 22773 2756 3735 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2255 2599 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1864 2:1042 3:166 4:7 5:4237 6:118 7:5 8:1585 9:1 11:173 12:1617 13:382 14:2374 15:287 16:71 17:362 18:382 20:243 21:4 22:188 23:6036 24:2509 25:6 27:2782 29:19 31:2511 32:95 34:8 35:94 36:1826 37:4571 38:3786 39:772 40:154 41:4422 42:1184 43:2307 44:302 45:17545 46:4206 47:379 49:1728 50:1939 51:245 52:1504 54:398 55:842 56:8 57:87 58:1796 59:1112 60:1007 61:2468 62:2674 63:1964 64:5669 65:2349 66:4916 67:3042 68:1412 69:4195 70:1290 71:689 72:3065 74:2671 75:1478 76:598 77:2366 78:4036 79:3158 80:2064 81:1850 82:1502 83:1220 84:1504 85:3783 86:732 87:2020 88:2839 89:3525 90:571 91:7709 92:2021 93:2585 94:3595 95:4866 96:1338 97:350 98:1178 99:740 100:69 101:1308 102:2799 103:30605 104:4589 105:1988 106:826 107:2539 108:926 109:4344 110:2005 111:3268 112:2057 113:1542 114:1616 115:2135 116:1888 117:2494 118:2329 119:1866 120:1696 121:1069 122:2609 123:2160 124:1530 125:2153 128:1305 129:1041 130:987 131:2236 132:856 133:401 134:1910 135:336 136:877 137:923 138:2838 139:1517 140:1099 141:1490 142:1423 143:1485 144:1212 145:351 146:1898 147:1523 148:2267 149:1848 150:879 151:1149 152:1966 153:538 154:3905 155:1403 156:1637 157:1296 158:1040 159:2235 160:2666 161:1426 162:3547 163:1478 164:1679 165:1694 166:829 167:1730 168:4161 169:942 170:4954 171:852 172:3528 173:3135 174:1031 175:1189 176:3669 177:5995 178:3577 179:2607 180:2359 181:3395 182:3205 183:1916 184:2356 185:20108 186:5031 187:4523 188:4161 189:3816 190:9183 191:1816 192:11050 193:8807 194:7268 195:5197 196:3235 197:2836 198:6020 199:6122 200:8015 201:6067 202:10421 203:10271 204:4610 205:3482 206:3867 207:3395 208:4136 209:4840 210:4230 211:2356 212:4097 213:3563 214:1101 215:55 216:6591 217:2722 218:1267 219:414 220:2048 221:949 222:664 223:2010 End of report