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 17 Jun, 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: 942026 Prefixes after maximum aggregation (per Origin AS): 350011 Deaggregation factor: 2.69 Unique aggregates announced (without unneeded subnets): 450285 Number of IPv4 prefixes with a valid ROA: 418832 Number of IPv4 prefixes with an invalid ROA: 1399 Number of IPv4 prefixes with no ROA: 521795 Total ASes present in the Internet Routing Table: 74484 Prefixes per ASN: 12.65 Origin-only ASes present in the Internet Routing Table: 64238 Origin ASes announcing only one prefix: 25798 Transit ASes present in the Internet Routing Table: 10246 Transit-only ASes present in the Internet Routing Table: 419 Paths with bogon ASNs present in the IPv4 Routing Table: 127 Average AS path length visible in the Internet Routing Table: 7.8 Max AS path length visible: 129 Max AS path prepend of ASN ( 37447) 127 Prefixes from unregistered ASNs in the Routing Table: 1049 Number of instances of unregistered ASNs: 1051 Number of 32-bit ASNs allocated by the RIRs: 42074 Number of 32-bit ASNs visible in the Routing Table: 34703 Prefixes from 32-bit ASNs in the Routing Table: 179024 Number of bogon 32-bit ASNs visible in the Routing Table: 24 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 593 Number of addresses announced to Internet: 3055869440 Equivalent to 182 /8s, 36 /16s and 222 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 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: 319656 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 242582 Total APNIC prefixes after maximum aggregation: 68837 APNIC Deaggregation factor: 3.52 Prefixes being announced from the APNIC address blocks: 236573 Unique aggregates announced from the APNIC address blocks: 98237 APNIC Region origin ASes present in the Internet Routing Table: 13418 APNIC Prefixes per ASN: 17.63 APNIC Region origin ASes announcing only one prefix: 3946 APNIC Region transit ASes present in the Internet Routing Table: 1768 Average APNIC Region AS path length visible: 8.0 Max APNIC Region AS path length visible: 29 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8770 Number of APNIC addresses announced to Internet: 773233920 Equivalent to 46 /8s, 22 /16s and 157 /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, 131072-153913 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: 273388 Total ARIN prefixes after maximum aggregation: 123123 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 276485 Unique aggregates announced from the ARIN address blocks: 130498 ARIN Region origin ASes present in the Internet Routing Table: 19106 ARIN Prefixes per ASN: 14.47 ARIN Region origin ASes announcing only one prefix: 6984 ARIN Region transit ASes present in the Internet Routing Table: 1876 Average ARIN Region AS path length visible: 7.6 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4814 Number of ARIN addresses announced to Internet: 1280076288 Equivalent to 76 /8s, 76 /16s and 106 /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: 263728 Total RIPE prefixes after maximum aggregation: 122981 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 259375 Unique aggregates announced from the RIPE address blocks: 159154 RIPE Region origin ASes present in the Internet Routing Table: 28375 RIPE Prefixes per ASN: 9.14 RIPE Region origin ASes announcing only one prefix: 12004 RIPE Region transit ASes present in the Internet Routing Table: 3816 Average RIPE Region AS path length visible: 7.7 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11220 Number of RIPE addresses announced to Internet: 717742848 Equivalent to 42 /8s, 199 /16s and 227 /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: 129073 Total LACNIC prefixes after maximum aggregation: 28427 LACNIC Deaggregation factor: 4.54 Prefixes being announced from the LACNIC address blocks: 128060 Unique aggregates announced from the LACNIC address blocks: 49444 LACNIC Region origin ASes present in the Internet Routing Table: 11009 LACNIC Prefixes per ASN: 11.63 LACNIC Region origin ASes announcing only one prefix: 2290 LACNIC Region transit ASes present in the Internet Routing Table: 2299 Average LACNIC Region AS path length visible: 8.3 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8798 Number of LACNIC addresses announced to Internet: 176910848 Equivalent to 10 /8s, 139 /16s and 114 /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: 32206 Total AfriNIC prefixes after maximum aggregation: 5899 AfriNIC Deaggregation factor: 5.46 Prefixes being announced from the AfriNIC address blocks: 40940 Unique aggregates announced from the AfriNIC address blocks: 12462 AfriNIC Region origin ASes present in the Internet Routing Table: 1756 AfriNIC Prefixes per ASN: 23.31 AfriNIC Region origin ASes announcing only one prefix: 574 AfriNIC Region transit ASes present in the Internet Routing Table: 334 Average AfriNIC Region AS path length visible: 6.6 Max AfriNIC Region AS path length visible: 129 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1101 Number of AfriNIC addresses announced to Internet: 107568128 Equivalent to 6 /8s, 105 /16s and 92 /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 9501 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5724 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4217 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3670 1331 21 VIETEL-AS-AP Viettel Group, VN 45899 3462 1856 96 VNPT-AS-VN VNPT Corp, VN 7713 3428 1043 66 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3031 499 254 BBIL-AP BHARTI Airtel Ltd., IN 24560 2427 836 445 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2288 11252 579 KIXS-AS-KR Korea Telecom, KR 4755 2154 442 197 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 8500 10864 3111 AMAZON-02, US 11492 4524 300 603 CABLEONE, US 7155 4104 284 78 VIASAT-SP-BACKBONE, US 22773 3566 3037 267 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3524 1319 66 SHAW, CA 16625 3132 1560 2352 AKAMAI-AS, US 749 3127 54969 2379 DNIC-AS-00749, US 396982 2662 3593 376 GOOGLE-CLOUD-PLATFORM, US 30036 2505 360 411 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2470 24007 1569 ATT-INTERNET4, 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 7301 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4082 3398 159 AKAMAI-ASN1, NL 8551 3463 369 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2888 2292 912 ROSTELECOM-AS, RU 9009 2665 248 1383 M247, RO 34984 2297 361 606 TELLCOM-AS, TR 6849 2005 307 17 UKRTELNET, UA 58224 1827 946 537 TCI, IR 61317 1644 110 1274 ASDETUK www.heficed.com, US 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 11246 3353 597 UNINET, MX 10620 3527 506 845 Telmex Colombia S.A., CO 13999 2360 353 627 Mega Cable, S.A. de C.V., MX 11830 2270 369 64 Instituto Costarricense de Electricidad 28573 1318 2323 241 Claro NXT Telecomunicacoes Ltda, BR 6503 1301 343 510 Axtel, S.A.B. de C.V., MX 3816 1299 766 165 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1134 370 22 Telefonica del Peru S.A.A., PE 11664 1101 180 439 Techtel LMDS Comunicaciones Interactiva 26615 1034 2498 45 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 24863 1581 393 19 LINKdotNET-AS, EG 24835 1536 533 27 RAYA-AS, EG 36992 1308 1518 281 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1038 67 47 ORANGE-COTE-IVOIRE, CI 36935 917 520 42 Vodafone-, EG 37457 812 319 46 Telkom-Internet, ZA 6713 549 1861 34 IAM-AS, MA 15399 531 54 42 WANANCHI-, KE 36914 519 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 11246 3353 597 UNINET, MX 9808 9501 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8500 10864 3111 AMAZON-02, US 12479 7301 1706 141 UNI2-AS, ES 7545 5724 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4524 300 603 CABLEONE, US 18403 4217 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4104 284 78 VIASAT-SP-BACKBONE, US 20940 4082 3398 159 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 9501 9464 CHINAMOBILE-CN China Mobile Communications Grou 12479 7301 7160 UNI2-AS, ES 16509 8500 5389 AMAZON-02, US 7545 5724 5034 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4217 4192 FPT-AS-AP FPT Telecom Company, VN 7155 4104 4026 VIASAT-SP-BACKBONE, US 20940 4082 3923 AKAMAI-ASN1, NL 11492 4524 3921 CABLEONE, US 7552 3670 3649 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, 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 19695 UNALLOCATED 8.20.161.0/24 46887 LIGHTOWER, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, 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 23.140.216.0/24 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 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 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 Transit: 37204 TELONE, ZW 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 /9:14 /10:38 /11:103 /12:301 /13:580 /14:1208 /15:2129 /16:13542 /17:8302 /18:14016 /19:25240 /20:43877 /21:52277 /22:110824 /23:101800 /24:567759 /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 6389 7301 UNI2-AS, ES 8151 5264 11246 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3433 4524 CABLEONE, US 6327 3334 3524 SHAW, CA 7155 3090 4104 VIASAT-SP-BACKBONE, US 8551 2931 3463 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2632 3566 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2161 2505 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2086 3527 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) ---------------------------------------------- 1:2158 2:1315 3:208 4:7 5:4618 6:131 7:6 8:1553 9:1 11:172 12:1530 13:387 14:2308 15:304 16:191 17:370 18:452 20:264 21:4 22:188 23:6314 24:2998 25:6 27:2607 29:19 31:2539 32:84 34:22 35:111 36:1966 37:4693 38:5009 39:849 40:151 41:4410 42:2006 43:2345 44:311 45:17690 46:4340 47:375 49:1759 50:1889 51:584 52:1595 54:393 55:873 56:8 57:128 58:1890 59:1053 60:986 61:2602 62:2769 63:1914 64:5807 65:2339 66:5172 67:3091 68:1360 69:4167 70:1369 71:681 72:3063 74:2654 75:1587 76:612 77:2563 78:1876 79:2995 80:2131 81:1823 82:1509 83:1278 84:1523 85:3058 86:757 87:2027 88:1221 89:3790 90:617 91:7848 92:2050 93:2632 94:3689 95:4068 96:1313 97:335 98:1159 99:744 100:91 101:1315 102:3075 103:31675 104:4622 105:902 106:935 107:2578 108:1060 109:4222 110:2110 111:3122 112:2049 113:1742 114:1674 115:2067 116:1907 117:2554 118:2611 119:1987 120:1801 121:1083 122:2620 123:2159 124:1566 125:2474 128:1498 129:1124 130:1029 131:2146 132:863 133:422 134:1819 135:350 136:890 137:962 138:2876 139:1547 140:1262 141:1443 142:1459 143:1579 144:1133 145:345 146:1963 147:1599 148:2436 149:2256 150:902 151:1161 152:1978 153:561 154:4680 155:1425 156:1822 157:1323 158:1086 159:2266 160:2648 161:1549 162:3540 163:1594 164:1667 165:1883 166:1091 167:1737 168:4136 169:974 170:4969 171:903 172:3588 173:2978 174:1073 175:1194 176:3837 177:5993 178:3636 179:2587 180:2445 181:3547 182:3392 183:2051 184:2336 185:20541 186:5299 187:4552 188:4236 189:4059 190:9328 191:1925 192:10930 193:8942 194:7412 195:5246 196:3349 197:2711 198:5958 199:6116 200:8323 201:6163 202:10522 203:10437 204:4577 205:3716 206:4339 207:3473 208:4149 209:4931 210:4268 211:2449 212:4269 213:3664 214:1086 215:59 216:6717 217:2830 218:1289 219:416 220:1757 221:966 222:682 223:2156 End of report