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 03 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: 934186 Prefixes after maximum aggregation (per Origin AS): 346315 Deaggregation factor: 2.70 Unique aggregates announced (without unneeded subnets): 443245 Number of IPv4 prefixes with a valid ROA: 383116 Number of IPv4 prefixes with an invalid ROA: 2767 Number of IPv4 prefixes with no ROA: 548303 Total ASes present in the Internet Routing Table: 73883 Prefixes per ASN: 12.64 Origin-only ASes present in the Internet Routing Table: 63787 Origin ASes announcing only one prefix: 25544 Transit ASes present in the Internet Routing Table: 10096 Transit-only ASes present in the Internet Routing Table: 396 Paths with bogon ASNs present in the IPv4 Routing Table: 138 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: 1012 Number of instances of unregistered ASNs: 1012 Number of 32-bit ASNs allocated by the RIRs: 40783 Number of 32-bit ASNs visible in the Routing Table: 33800 Prefixes from 32-bit ASNs in the Routing Table: 171984 Number of bogon 32-bit ASNs visible in the Routing Table: 17 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 530 Number of addresses announced to Internet: 3063038720 Equivalent to 182 /8s, 146 /16s and 67 /24s Percentage of available address space announced: 82.7 Percentage of allocated address space announced: 82.7 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: 322708 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 236580 Total APNIC prefixes after maximum aggregation: 67847 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 231381 Unique aggregates announced from the APNIC address blocks: 97400 APNIC Region origin ASes present in the Internet Routing Table: 13094 APNIC Prefixes per ASN: 17.67 APNIC Region origin ASes announcing only one prefix: 3796 APNIC Region transit ASes present in the Internet Routing Table: 1737 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 29 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8378 Number of APNIC addresses announced to Internet: 773293824 Equivalent to 46 /8s, 23 /16s and 135 /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: 269280 Total ARIN prefixes after maximum aggregation: 121838 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 270917 Unique aggregates announced from the ARIN address blocks: 129420 ARIN Region origin ASes present in the Internet Routing Table: 19075 ARIN Prefixes per ASN: 14.20 ARIN Region origin ASes announcing only one prefix: 6991 ARIN Region transit ASes present in the Internet Routing Table: 1839 Average ARIN Region AS path length visible: 5.7 Max ARIN Region AS path length visible: 38 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4685 Number of ARIN addresses announced to Internet: 1288569088 Equivalent to 76 /8s, 206 /16s and 1 /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: 266440 Total RIPE prefixes after maximum aggregation: 121844 RIPE Deaggregation factor: 2.19 Prefixes being announced from the RIPE address blocks: 263058 Unique aggregates announced from the RIPE address blocks: 155182 RIPE Region origin ASes present in the Internet Routing Table: 28202 RIPE Prefixes per ASN: 9.33 RIPE Region origin ASes announcing only one prefix: 11961 RIPE Region transit ASes present in the Internet Routing Table: 3821 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 30 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10918 Number of RIPE addresses announced to Internet: 716417536 Equivalent to 42 /8s, 179 /16s and 170 /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: 127944 Total LACNIC prefixes after maximum aggregation: 28268 LACNIC Deaggregation factor: 4.53 Prefixes being announced from the LACNIC address blocks: 127200 Unique aggregates announced from the LACNIC address blocks: 48855 LACNIC Region origin ASes present in the Internet Routing Table: 11007 LACNIC Prefixes per ASN: 11.56 LACNIC Region origin ASes announcing only one prefix: 2245 LACNIC Region transit ASes present in the Internet Routing Table: 2228 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: 8771 Number of LACNIC addresses announced to Internet: 175949568 Equivalent to 10 /8s, 124 /16s and 199 /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: 32930 Total AfriNIC prefixes after maximum aggregation: 5755 AfriNIC Deaggregation factor: 5.72 Prefixes being announced from the AfriNIC address blocks: 41100 Unique aggregates announced from the AfriNIC address blocks: 11949 AfriNIC Region origin ASes present in the Internet Routing Table: 1714 AfriNIC Prefixes per ASN: 23.98 AfriNIC Region origin ASes announcing only one prefix: 551 AfriNIC Region transit ASes present in the Internet Routing Table: 333 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: 1048 Number of AfriNIC addresses announced to Internet: 108506368 Equivalent to 6 /8s, 119 /16s and 173 /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 9129 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5956 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3617 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3526 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3380 1874 92 VNPT-AS-VN VNPT Corp, VN 9498 2565 499 239 BBIL-AP BHARTI Airtel Ltd., IN 24560 2308 849 416 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2290 11250 594 KIXS-AS-KR Korea Telecom, KR 45090 2180 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2162 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 7686 10624 2897 AMAZON-02, US 11492 4547 301 569 CABLEONE, US 7155 3893 265 32 VIASAT-SP-BACKBONE, US 22773 3705 3045 318 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3527 1320 63 SHAW, CA 16625 3524 1840 2536 AKAMAI-AS, US 749 3063 50660 2330 DNIC-AS-00749, US 30036 2583 369 338 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2582 24060 1553 ATT-INTERNET4, US 396982 2565 3482 360 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 6962 1730 151 UNI2-AS, ES 9121 6135 1692 17 TTNET, TR 20940 4095 3400 178 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3981 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2928 2290 912 ROSTELECOM-AS, RU 47331 2818 421 2114 TTNET, TR 9009 2656 253 1363 M247, RO 34984 2250 357 609 TELLCOM-AS, TR 6849 2204 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 10798 3336 597 Uninet S.A. de C.V., MX 10620 3461 506 848 Telmex Colombia S.A., CO 11830 2262 369 64 Instituto Costarricense de Electricidad 13999 2131 350 560 Mega Cable, S.A. de C.V., MX 28573 1329 2327 261 Claro NXT Telecomunicacoes Ltda, BR 6503 1294 338 522 Axtel, S.A.B. de C.V., MX 3816 1287 728 154 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1154 369 22 Telefonica del Peru S.A.A., PE 11664 1134 184 474 Techtel LMDS Comunicaciones Interactiva 26615 989 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 1887 326 57 Telkom-Internet, ZA 24835 1548 537 31 RAYA-AS, EG 24863 1537 393 21 LINKdotNET-AS, EG 36992 1356 1520 269 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1010 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 36914 489 82 3 KENET-AS, 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 10798 3336 597 Uninet S.A. de C.V., MX 9808 9129 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7686 10624 2897 AMAZON-02, US 12479 6962 1730 151 UNI2-AS, ES 9121 6135 1692 17 TTNET, TR 7545 5956 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4547 301 569 CABLEONE, US 20940 4095 3400 178 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3981 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 9129 9082 CHINAMOBILE-CN China Mobile Communications Grou 12479 6962 6811 UNI2-AS, ES 9121 6135 6118 TTNET, TR 7545 5956 5261 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7686 4789 AMAZON-02, US 11492 4547 3978 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3981 3943 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4095 3917 AKAMAI-ASN1, NL 7155 3893 3861 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 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 23.131.184.0/24 Origin: 174 COGENT-174, US 23.131.184.0/24 Transit: 16637 MTNNS-AS, ZA 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 23.131.188.0/24 Origin: 46450 PILOT, US 23.131.188.0/24 Transit: 6939 HURRICANE, 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 /10:38 /11:100 /12:296 /13:586 /14:1204 /15:2106 /16:13590 /17:8380 /18:14087 /19:25176 /20:44016 /21:53087 /22:111156 /23:101212 /24:559123 /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 5995 6962 UNI2-AS, ES 9121 5334 6135 TTNET, TR 8151 4788 10798 Uninet S.A. de C.V., MX 11492 3454 4547 CABLEONE, US 8551 3445 3981 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3335 3527 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2982 3893 VIASAT-SP-BACKBONE, US 22773 2732 3705 ASN-CXA-ALL-CCI-22773-RDC, US 47331 2417 2818 TTNET, TR Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1856 2:1037 3:168 4:7 5:4272 6:117 7:5 8:1583 9:1 11:173 12:1615 13:380 14:2375 15:286 16:75 17:367 18:386 20:244 21:4 22:188 23:6037 24:2508 25:4 27:2785 29:19 31:2511 32:109 34:8 35:94 36:1839 37:4600 38:3897 39:774 40:154 41:4462 42:1186 43:2324 44:309 45:17610 46:4219 47:378 49:1720 50:1938 51:245 52:1518 54:397 55:843 56:8 57:87 58:1793 59:1110 60:1008 61:2468 62:2679 63:1960 64:5657 65:2348 66:4943 67:3029 68:1406 69:4174 70:1289 71:698 72:3059 74:2662 75:1471 76:597 77:2376 78:4039 79:3162 80:2069 81:1851 82:1507 83:1240 84:1502 85:3795 86:754 87:2029 88:2844 89:3573 90:580 91:7732 92:2003 93:2586 94:3607 95:4851 96:1315 97:346 98:1174 99:740 100:69 101:1286 102:2841 103:30688 104:4598 105:1991 106:826 107:2547 108:926 109:4333 110:2016 111:3262 112:2043 113:1545 114:1607 115:2134 116:1893 117:2482 118:2339 119:1908 120:1695 121:1065 122:2603 123:2164 124:1531 125:2164 128:1310 129:1057 130:986 131:2208 132:863 133:400 134:1908 135:337 136:880 137:933 138:2874 139:1523 140:1045 141:1491 142:1419 143:1497 144:1204 145:355 146:1903 147:1522 148:2249 149:1851 150:877 151:1150 152:1969 153:538 154:3884 155:1414 156:1646 157:1300 158:1042 159:2240 160:2664 161:1433 162:3561 163:1476 164:1733 165:1686 166:817 167:1756 168:4186 169:941 170:5006 171:868 172:3530 173:3130 174:1034 175:1179 176:3684 177:6075 178:3575 179:2613 180:2369 181:3435 182:3225 183:1917 184:2364 185:20143 186:5112 187:4505 188:4180 189:3840 190:9167 191:1818 192:11022 193:8835 194:7284 195:5173 196:3249 197:2815 198:6025 199:6144 200:8072 201:6093 202:10447 203:10262 204:4616 205:3507 206:3868 207:3402 208:4140 209:4858 210:4230 211:2405 212:4107 213:3498 214:1093 215:57 216:6634 217:2727 218:1266 219:416 220:2049 221:955 222:666 223:2007 End of report