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 02 Sep, 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: 942107 Prefixes after maximum aggregation (per Origin AS): 351590 Deaggregation factor: 2.68 Unique aggregates announced (without unneeded subnets): 452030 Number of IPv4 prefixes with a valid ROA: 429284 Number of IPv4 prefixes with an invalid ROA: 1482 Number of IPv4 prefixes with no ROA: 511341 Total ASes present in the Internet Routing Table: 74717 Prefixes per ASN: 12.61 Origin-only ASes present in the Internet Routing Table: 64421 Origin ASes announcing only one prefix: 25894 Transit ASes present in the Internet Routing Table: 10296 Transit-only ASes present in the Internet Routing Table: 443 Paths with bogon ASNs present in the IPv4 Routing Table: 98 Average AS path length visible in the Internet Routing Table: 7.8 Max AS path length visible: 131 Max AS path prepend of ASN ( 37447) 129 Prefixes from unregistered ASNs in the Routing Table: 1046 Number of instances of unregistered ASNs: 1048 Number of 32-bit ASNs allocated by the RIRs: 42572 Number of 32-bit ASNs visible in the Routing Table: 35016 Prefixes from 32-bit ASNs in the Routing Table: 179319 Number of bogon 32-bit ASNs visible in the Routing Table: 30 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 553 Number of addresses announced to Internet: 3056079616 Equivalent to 182 /8s, 40 /16s and 19 /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: 99.5 Total number of prefixes smaller than registry allocations: 317681 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243378 Total APNIC prefixes after maximum aggregation: 69763 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 237029 Unique aggregates announced from the APNIC address blocks: 98425 APNIC Region origin ASes present in the Internet Routing Table: 13551 APNIC Prefixes per ASN: 17.49 APNIC Region origin ASes announcing only one prefix: 4003 APNIC Region transit ASes present in the Internet Routing Table: 1791 Average APNIC Region AS path length visible: 7.9 Max APNIC Region AS path length visible: 29 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8912 Number of APNIC addresses announced to Internet: 772417536 Equivalent to 46 /8s, 10 /16s and 40 /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: 276232 Total ARIN prefixes after maximum aggregation: 123792 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 278837 Unique aggregates announced from the ARIN address blocks: 131266 ARIN Region origin ASes present in the Internet Routing Table: 19098 ARIN Prefixes per ASN: 14.60 ARIN Region origin ASes announcing only one prefix: 6965 ARIN Region transit ASes present in the Internet Routing Table: 1880 Average ARIN Region AS path length visible: 7.7 Max ARIN Region AS path length visible: 29 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4825 Number of ARIN addresses announced to Internet: 1280059904 Equivalent to 76 /8s, 76 /16s and 42 /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: 263459 Total RIPE prefixes after maximum aggregation: 122846 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 259765 Unique aggregates announced from the RIPE address blocks: 159997 RIPE Region origin ASes present in the Internet Routing Table: 28418 RIPE Prefixes per ASN: 9.14 RIPE Region origin ASes announcing only one prefix: 12017 RIPE Region transit ASes present in the Internet Routing Table: 3803 Average RIPE Region AS path length visible: 7.7 Max RIPE Region AS path length visible: 38 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11321 Number of RIPE addresses announced to Internet: 716824064 Equivalent to 42 /8s, 185 /16s and 222 /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 196608-216475 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: 126239 Total LACNIC prefixes after maximum aggregation: 28497 LACNIC Deaggregation factor: 4.43 Prefixes being announced from the LACNIC address blocks: 125167 Unique aggregates announced from the LACNIC address blocks: 49234 LACNIC Region origin ASes present in the Internet Routing Table: 11020 LACNIC Prefixes per ASN: 11.36 LACNIC Region origin ASes announcing only one prefix: 2331 LACNIC Region transit ASes present in the Internet Routing Table: 2323 Average LACNIC Region AS path length visible: 8.6 Max LACNIC Region AS path length visible: 59 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8830 Number of LACNIC addresses announced to Internet: 178619648 Equivalent to 10 /8s, 165 /16s and 133 /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: 31753 Total AfriNIC prefixes after maximum aggregation: 5973 AfriNIC Deaggregation factor: 5.32 Prefixes being announced from the AfriNIC address blocks: 40756 Unique aggregates announced from the AfriNIC address blocks: 12648 AfriNIC Region origin ASes present in the Internet Routing Table: 1784 AfriNIC Prefixes per ASN: 22.85 AfriNIC Region origin ASes announcing only one prefix: 578 AfriNIC Region transit ASes present in the Internet Routing Table: 340 Average AfriNIC Region AS path length visible: 6.7 Max AfriNIC Region AS path length visible: 131 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1128 Number of AfriNIC addresses announced to Internet: 107718400 Equivalent to 6 /8s, 107 /16s and 167 /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 9493 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5724 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4349 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3734 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3568 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3423 1840 98 VNPT-AS-VN VNPT Corp, VN 9498 3127 498 253 BBIL-AP BHARTI Airtel Ltd., IN 24560 2490 847 397 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2306 11270 590 KIXS-AS-KR Korea Telecom, KR 4755 2150 441 200 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 8996 10980 3255 AMAZON-02, US 11492 4524 300 649 CABLEONE, US 7155 4178 288 100 VIASAT-SP-BACKBONE, US 174 3825 6655 614 COGENT-174, US 22773 3560 3057 315 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3534 1319 66 SHAW, CA 749 3146 54960 2398 DNIC-AS-00749, US 16625 3007 1447 2275 AKAMAI-AS, US 367 2960 3831 1392 DNIC-ASBLK-00306-00371, US 396982 2687 3596 387 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 7346 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4065 3398 151 AKAMAI-ASN1, NL 8551 3460 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2909 2298 918 ROSTELECOM-AS, RU 9009 2683 248 1383 M247, RO 34984 2329 362 597 TELLCOM-AS, TR 58224 1749 933 521 TCI, IR 13188 1607 100 26 TRIOLAN, UA 61317 1514 101 1180 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 11725 3364 601 UNINET, MX 10620 3537 506 849 Telmex Colombia S.A., CO 13999 2452 364 643 Mega Cable, S.A. de C.V., MX 11830 1996 369 64 Instituto Costarricense de Electricidad 28573 1317 2324 232 Claro NXT Telecomunicacoes Ltda, BR 6503 1301 344 509 Axtel, S.A.B. de C.V., MX 3816 1294 764 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 28202 1121 52 9 Rede Brasileira de Comunicacao SA, BR 11664 1120 182 433 Techtel LMDS Comunicaciones Interactiva 6147 1113 370 22 Telefonica del Peru S.A.A., PE 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 1593 393 19 LINKdotNET-AS, EG 24835 1457 497 26 RAYA-AS, EG 36992 1356 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1046 67 45 ORANGE-COTE-IVOIRE, CI 37457 811 319 45 Telkom-Internet, ZA 36935 781 520 36 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 532 54 45 WANANCHI-, KE 37342 512 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 11725 3364 601 UNINET, MX 9808 9493 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 8996 10980 3255 AMAZON-02, US 12479 7346 1713 145 UNI2-AS, ES 7545 5724 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4524 300 649 CABLEONE, US 18403 4349 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4178 288 100 VIASAT-SP-BACKBONE, US 20940 4065 3398 151 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 9493 9453 CHINAMOBILE-CN China Mobile Communications Grou 12479 7346 7201 UNI2-AS, ES 16509 8996 5741 AMAZON-02, US 7545 5724 5037 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4349 4324 FPT-AS-AP FPT Telecom Company, VN 7155 4178 4078 VIASAT-SP-BACKBONE, US 20940 4065 3914 AKAMAI-ASN1, NL 11492 4524 3875 CABLEONE, US 7552 3734 3714 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 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 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, 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 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, 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 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 36.255.139.0/24 Origin: 56050 NEW-SHINE-INTERNET-TH 134 Yenchit Road, 36.255.139.0/24 Transit: 58913 HCL-TH 4819 Supapong 3 Alley, Srinakarin 41.57.124.0/22 Origin: 37442 RESERVED, ZZ 41.57.124.0/22 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 /11:102 /12:298 /13:577 /14:1206 /15:2129 /16:13577 /17:8341 /18:14032 /19:25221 /20:44282 /21:52183 /22:111096 /23:102645 /24:566350 /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 6432 7346 UNI2-AS, ES 8151 5752 11725 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3434 4524 CABLEONE, US 6327 3345 3534 SHAW, CA 7155 3124 4178 VIASAT-SP-BACKBONE, US 8551 2928 3460 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2604 3560 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2157 2499 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2100 3537 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) ---------------------------------------------- 1:2218 2:1400 3:253 4:5 5:4635 6:137 7:6 8:1539 9:1 11:172 12:1510 13:371 14:2305 15:302 16:196 17:369 18:633 20:288 21:4 22:188 23:6386 24:2893 25:6 27:2632 29:19 31:2557 32:84 34:25 35:116 36:1987 37:4538 38:6227 39:871 40:147 41:4377 42:2102 43:2298 44:324 45:17217 46:4313 47:386 49:1795 50:1882 51:595 52:1598 54:391 55:964 56:8 57:130 58:1864 59:1118 60:1000 61:2578 62:2774 63:1932 64:5746 65:2345 66:5037 67:3061 68:1355 69:4170 70:1356 71:666 72:3034 74:2643 75:1598 76:619 77:2471 78:1848 79:2989 80:2140 81:1858 82:1474 83:1302 84:1531 85:3014 86:750 87:2095 88:1231 89:3863 90:619 91:7917 92:2071 93:2637 94:3572 95:4030 96:1290 97:321 98:1097 99:734 100:90 101:1318 102:3231 103:32142 104:4603 105:712 106:881 107:2598 108:1144 109:4257 110:2124 111:3127 112:2066 113:1758 114:1664 115:2064 116:1923 117:2503 118:2697 119:1986 120:1786 121:1100 122:2600 123:2164 124:1574 125:2493 128:1481 129:996 130:1068 131:2054 132:863 133:418 134:1794 135:351 136:915 137:982 138:2785 139:1565 140:1144 141:1300 142:1494 143:1521 144:998 145:346 146:1959 147:1617 148:2465 149:2238 150:882 151:1233 152:1996 153:582 154:5125 155:1396 156:1969 157:1333 158:1083 159:2233 160:2658 161:1590 162:3540 163:1608 164:1750 165:1888 166:1013 167:1734 168:3884 169:916 170:4855 171:876 172:3685 173:2973 174:994 175:1209 176:3839 177:5328 178:3564 179:2369 180:2430 181:3498 182:3317 183:1976 184:2285 185:20740 186:5013 187:4538 188:4269 189:4068 190:9337 191:1790 192:10957 193:8987 194:7334 195:5283 196:3314 197:2471 198:5973 199:6130 200:8040 201:6111 202:10423 203:10152 204:4562 205:3674 206:4366 207:3473 208:4161 209:4958 210:4276 211:2459 212:4273 213:3450 214:1090 215:59 216:6755 217:2865 218:1283 219:409 220:1795 221:980 222:664 223:2148 End of report