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 11 Feb, 2023 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: 934903 Prefixes after maximum aggregation (per Origin AS): 347787 Deaggregation factor: 2.69 Unique aggregates announced (without unneeded subnets): 445719 Number of IPv4 prefixes with a valid ROA: 391184 Number of IPv4 prefixes with an invalid ROA: 1251 Number of IPv4 prefixes with no ROA: 542468 Total ASes present in the Internet Routing Table: 74154 Prefixes per ASN: 12.61 Origin-only ASes present in the Internet Routing Table: 63675 Origin ASes announcing only one prefix: 25662 Transit ASes present in the Internet Routing Table: 10479 Transit-only ASes present in the Internet Routing Table: 440 Paths with bogon ASNs present in the IPv4 Routing Table: 130 Average AS path length visible in the Internet Routing Table: 6.5 Max AS path length visible: 164 Max AS path prepend of ASN ( 51156) 160 Prefixes from unregistered ASNs in the Routing Table: 1107 Number of instances of unregistered ASNs: 1118 Number of 32-bit ASNs allocated by the RIRs: 41191 Number of 32-bit ASNs visible in the Routing Table: 34177 Prefixes from 32-bit ASNs in the Routing Table: 174021 Number of bogon 32-bit ASNs visible in the Routing Table: 48 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 593 Number of addresses announced to Internet: 3062752000 Equivalent to 182 /8s, 141 /16s and 227 /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: 322635 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 236784 Total APNIC prefixes after maximum aggregation: 68327 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 231727 Unique aggregates announced from the APNIC address blocks: 97675 APNIC Region origin ASes present in the Internet Routing Table: 13257 APNIC Prefixes per ASN: 17.48 APNIC Region origin ASes announcing only one prefix: 3828 APNIC Region transit ASes present in the Internet Routing Table: 1783 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: 8562 Number of APNIC addresses announced to Internet: 773164800 Equivalent to 46 /8s, 21 /16s and 143 /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: 269254 Total ARIN prefixes after maximum aggregation: 121754 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 271499 Unique aggregates announced from the ARIN address blocks: 130344 ARIN Region origin ASes present in the Internet Routing Table: 19088 ARIN Prefixes per ASN: 14.22 ARIN Region origin ASes announcing only one prefix: 6998 ARIN Region transit ASes present in the Internet Routing Table: 1945 Average ARIN Region AS path length visible: 6.2 Max ARIN Region AS path length visible: 40 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4744 Number of ARIN addresses announced to Internet: 1286031104 Equivalent to 76 /8s, 167 /16s and 71 /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: 267917 Total RIPE prefixes after maximum aggregation: 122724 RIPE Deaggregation factor: 2.18 Prefixes being announced from the RIPE address blocks: 264298 Unique aggregates announced from the RIPE address blocks: 156239 RIPE Region origin ASes present in the Internet Routing Table: 28245 RIPE Prefixes per ASN: 9.36 RIPE Region origin ASes announcing only one prefix: 11999 RIPE Region transit ASes present in the Internet Routing Table: 3938 Average RIPE Region AS path length visible: 6.2 Max RIPE Region AS path length visible: 164 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11022 Number of RIPE addresses announced to Internet: 718539520 Equivalent to 42 /8s, 212 /16s and 11 /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: 127953 Total LACNIC prefixes after maximum aggregation: 28370 LACNIC Deaggregation factor: 4.51 Prefixes being announced from the LACNIC address blocks: 127042 Unique aggregates announced from the LACNIC address blocks: 48999 LACNIC Region origin ASes present in the Internet Routing Table: 10980 LACNIC Prefixes per ASN: 11.57 LACNIC Region origin ASes announcing only one prefix: 2270 LACNIC Region transit ASes present in the Internet Routing Table: 2282 Average LACNIC Region AS path length visible: 7.6 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8774 Number of LACNIC addresses announced to Internet: 176290304 Equivalent to 10 /8s, 129 /16s and 250 /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: 31888 Total AfriNIC prefixes after maximum aggregation: 5811 AfriNIC Deaggregation factor: 5.49 Prefixes being announced from the AfriNIC address blocks: 39744 Unique aggregates announced from the AfriNIC address blocks: 12002 AfriNIC Region origin ASes present in the Internet Routing Table: 1733 AfriNIC Prefixes per ASN: 22.93 AfriNIC Region origin ASes announcing only one prefix: 567 AfriNIC Region transit ASes present in the Internet Routing Table: 323 Average AfriNIC Region AS path length visible: 5.9 Max AfriNIC Region AS path length visible: 66 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1075 Number of AfriNIC addresses announced to Internet: 108383232 Equivalent to 6 /8s, 117 /16s and 204 /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 9443 8883 48 CHINAMOBILE-CN China Mobile Communicati 7545 5849 786 703 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3639 1331 21 VIETEL-AS-AP Viettel Group, VN 45899 3464 1872 94 VNPT-AS-VN VNPT Corp, VN 7713 3399 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 2759 499 240 BBIL-AP BHARTI Airtel Ltd., IN 24560 2360 842 441 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2287 11250 587 KIXS-AS-KR Korea Telecom, KR 45090 2166 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2139 439 210 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 7942 10734 2840 AMAZON-02, US 11492 4535 300 599 CABLEONE, US 7155 3899 265 33 VIASAT-SP-BACKBONE, US 22773 3652 3048 286 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3503 1320 63 SHAW, CA 16625 3334 1688 2439 AKAMAI-AS, US 749 3038 50571 2305 DNIC-AS-00749, US 396982 2601 3583 349 GOOGLE-CLOUD-PLATFORM, US 7018 2595 24127 1577 ATT-INTERNET4, US 30036 2556 366 377 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 6992 1706 146 UNI2-AS, ES 9121 6095 1692 17 TTNET, TR 39891 4561 269 58 ALJAWWALSTC-AS, SA 20940 4043 3399 173 AKAMAI-ASN1, NL 8551 3894 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2890 2292 910 ROSTELECOM-AS, RU 9009 2685 256 1381 M247, RO 47331 2554 384 1928 TTNET, TR 6849 2278 339 19 UKRTELNET, UA 34984 2266 359 609 TELLCOM-AS, 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 11110 3348 586 Uninet S.A. de C.V., MX 10620 3476 507 862 Telmex Colombia S.A., CO 11830 2262 369 64 Instituto Costarricense de Electricidad 13999 2247 375 606 Mega Cable, S.A. de C.V., MX 28573 1349 2328 262 Claro NXT Telecomunicacoes Ltda, BR 6503 1297 339 517 Axtel, S.A.B. de C.V., MX 3816 1292 746 156 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1150 369 22 Telefonica del Peru S.A.A., PE 11664 1096 180 459 Techtel LMDS Comunicaciones Interactiva 26615 1018 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 24835 1540 533 30 RAYA-AS, EG 24863 1496 393 21 LINKdotNET-AS, EG 36992 1348 1517 277 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 998 67 53 ORANGE-COTE-IVOIRE, CI 36935 885 520 42 Vodafone-, EG 37457 838 325 49 Telkom-Internet, ZA 6713 550 1861 34 IAM-AS, MA 15399 520 54 43 WANANCHI-, KE 36914 504 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 11110 3348 586 Uninet S.A. de C.V., MX 9808 9443 8883 48 CHINAMOBILE-CN China Mobile Communicati 16509 7942 10734 2840 AMAZON-02, US 12479 6992 1706 146 UNI2-AS, ES 9121 6095 1692 17 TTNET, TR 7545 5849 786 703 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4561 269 58 ALJAWWALSTC-AS, SA 11492 4535 300 599 CABLEONE, US 20940 4043 3399 173 AKAMAI-ASN1, NL 7155 3899 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 9443 9395 CHINAMOBILE-CN China Mobile Communications Grou 12479 6992 6846 UNI2-AS, ES 9121 6095 6078 TTNET, TR 7545 5849 5146 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7942 5102 AMAZON-02, US 39891 4561 4503 ALJAWWALSTC-AS, SA 11492 4535 3936 CABLEONE, US 20940 4043 3870 AKAMAI-ASN1, NL 7155 3899 3866 VIASAT-SP-BACKBONE, US 8551 3894 3857 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 3507 UNALLOCATED 5.105.166.0/24 213035 AS-SERVERION Serverion B.V., 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 6939 HURRICANE, 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: 5511 OPENTRANSIT, FR 23.131.186.0/24 Origin: 174 COGENT-174, US 23.131.186.0/24 Transit: 5511 OPENTRANSIT, FR 23.131.187.0/24 Origin: 174 COGENT-174, US 23.131.187.0/24 Transit: 5511 OPENTRANSIT, FR 23.131.188.0/24 Origin: 174 COGENT-174, US 23.131.188.0/24 Transit: 5511 OPENTRANSIT, FR 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR 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 /11:103 /12:300 /13:579 /14:1211 /15:2101 /16:13552 /17:8343 /18:14052 /19:25223 /20:43877 /21:52985 /22:110918 /23:101549 /24:560043 /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 6057 6992 UNI2-AS, ES 9121 5272 6095 TTNET, TR 8151 5117 11110 Uninet S.A. de C.V., MX 39891 3552 4561 ALJAWWALSTC-AS, SA 11492 3450 4535 CABLEONE, US 8551 3366 3894 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3311 3503 SHAW, CA 7155 2988 3899 VIASAT-SP-BACKBONE, US 22773 2705 3652 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2213 2556 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1631 2:1225 3:168 4:7 5:4414 6:111 7:5 8:1557 9:1 11:172 12:1587 13:392 14:2337 15:290 16:79 17:365 18:399 20:249 21:4 22:188 23:6071 24:2570 25:4 27:2669 29:19 31:2545 32:110 34:8 35:106 36:1902 37:4617 38:4209 39:840 40:154 41:4477 42:1055 43:2351 44:306 45:17560 46:4210 47:380 49:1741 50:1843 51:384 52:1563 54:397 55:871 56:8 57:90 58:1739 59:1112 60:989 61:2510 62:2715 63:1940 64:5698 65:2338 66:5016 67:3079 68:1377 69:4184 70:1253 71:669 72:3059 74:2620 75:1465 76:600 77:2491 78:3948 79:3184 80:2102 81:1881 82:1494 83:1250 84:1517 85:3758 86:756 87:2051 88:2884 89:3643 90:595 91:7751 92:2015 93:2598 94:3605 95:4874 96:1333 97:347 98:1167 99:744 100:75 101:1300 102:2914 103:31070 104:4533 105:900 106:828 107:2522 108:921 109:4412 110:2076 111:3294 112:2044 113:1518 114:1620 115:2089 116:1886 117:2563 118:2294 119:1953 120:1737 121:1066 122:2611 123:2178 124:1557 125:2314 128:1347 129:1069 130:1003 131:2169 132:848 133:406 134:1909 135:358 136:864 137:942 138:2849 139:1546 140:1182 141:1481 142:1427 143:1550 144:1209 145:350 146:1897 147:1568 148:2294 149:1896 150:879 151:1143 152:1950 153:564 154:3974 155:1417 156:1683 157:1307 158:1006 159:2265 160:2632 161:1416 162:3559 163:1541 164:1638 165:1719 166:837 167:1763 168:4140 169:947 170:4975 171:882 172:3530 173:3001 174:1027 175:1176 176:3762 177:5980 178:3604 179:2618 180:2417 181:3464 182:3244 183:1913 184:2340 185:20178 186:5105 187:4534 188:4227 189:3907 190:9221 191:1813 192:10978 193:8847 194:7298 195:5203 196:3173 197:2803 198:5965 199:6114 200:8026 201:6122 202:10502 203:10175 204:4608 205:3505 206:3910 207:3433 208:4100 209:4859 210:4260 211:2401 212:4143 213:3576 214:1095 215:55 216:6660 217:2746 218:1272 219:406 220:1766 221:972 222:665 223:2076 End of report