IPv4 R&E Routing Table Report 21:10 GMT Tue 20 Jun, 2023 IPv4 BGP Table (Global) as seen at AARNET (Brisbane). Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/AARNET/ Analysis Summary ---------------- BGP routing table entries examined: 924162 Prefixes after maximum aggregation (per Origin AS): 350194 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 451071 Number of IPv4 prefixes with a valid ROA: 408108 Number of IPv4 prefixes with an invalid ROA: 2411 Number of IPv4 prefixes with no ROA: 513643 Total ASes present in the Internet Routing Table: 74533 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 64085 Origin ASes announcing only one prefix: 26271 Transit ASes present in the Internet Routing Table: 10448 Transit-only ASes present in the Internet Routing Table: 439 Paths with bogon ASNs present in the IPv4 Routing Table: 70 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 130 Max AS path prepend of ASN ( 37447) 127 Prefixes from unregistered ASNs in the Routing Table: 1064 Number of instances of unregistered ASNs: 1131 Number of 32-bit ASNs allocated by the RIRs: 42089 Number of 32-bit ASNs visible in the Routing Table: 34720 Prefixes from 32-bit ASNs in the Routing Table: 172722 Number of bogon 32-bit ASNs visible in the Routing Table: 185 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 578 Number of addresses announced to Internet: 3055294976 Equivalent to 182 /8s, 28 /16s and 26 /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: 308361 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243664 Total APNIC prefixes after maximum aggregation: 68996 APNIC Deaggregation factor: 3.53 Prefixes being announced from the APNIC address blocks: 237747 Unique aggregates announced from the APNIC address blocks: 98520 APNIC Region origin ASes present in the Internet Routing Table: 13453 APNIC Prefixes per ASN: 17.67 APNIC Region origin ASes announcing only one prefix: 3965 APNIC Region transit ASes present in the Internet Routing Table: 1793 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8788 Number of APNIC addresses announced to Internet: 773328896 Equivalent to 46 /8s, 24 /16s and 16 /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: 271072 Total ARIN prefixes after maximum aggregation: 123269 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 273610 Unique aggregates announced from the ARIN address blocks: 130733 ARIN Region origin ASes present in the Internet Routing Table: 19120 ARIN Prefixes per ASN: 14.31 ARIN Region origin ASes announcing only one prefix: 6989 ARIN Region transit ASes present in the Internet Routing Table: 1925 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4809 Number of ARIN addresses announced to Internet: 1279599616 Equivalent to 76 /8s, 69 /16s and 36 /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: 260155 Total RIPE prefixes after maximum aggregation: 122817 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256330 Unique aggregates announced from the RIPE address blocks: 159357 RIPE Region origin ASes present in the Internet Routing Table: 28345 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12031 RIPE Region transit ASes present in the Internet Routing Table: 3910 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 102 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11216 Number of RIPE addresses announced to Internet: 717532928 Equivalent to 42 /8s, 196 /16s and 175 /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: 118692 Total LACNIC prefixes after maximum aggregation: 28518 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 117815 Unique aggregates announced from the LACNIC address blocks: 49534 LACNIC Region origin ASes present in the Internet Routing Table: 11017 LACNIC Prefixes per ASN: 10.69 LACNIC Region origin ASes announcing only one prefix: 2674 LACNIC Region transit ASes present in the Internet Routing Table: 2295 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 28 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8803 Number of LACNIC addresses announced to Internet: 177020160 Equivalent to 10 /8s, 141 /16s and 29 /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: 29515 Total AfriNIC prefixes after maximum aggregation: 5839 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 38081 Unique aggregates announced from the AfriNIC address blocks: 12452 AfriNIC Region origin ASes present in the Internet Routing Table: 1755 AfriNIC Prefixes per ASN: 21.70 AfriNIC Region origin ASes announcing only one prefix: 612 AfriNIC Region transit ASes present in the Internet Routing Table: 331 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 130 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1104 Number of AfriNIC addresses announced to Internet: 107481344 Equivalent to 6 /8s, 104 /16s and 9 /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 9514 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5676 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4219 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3535 1043 66 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3362 1331 21 VIETEL-AS-AP Viettel Group, VN 45899 3358 1851 90 VNPT-AS-VN VNPT Corp, VN 9498 3035 498 252 BBIL-AP BHARTI Airtel Ltd., IN 4538 2731 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2428 835 443 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2288 11252 579 KIXS-AS-KR Korea Telecom, KR Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 8527 10865 3118 AMAZON-02, US 11492 4524 300 603 CABLEONE, US 7155 4103 284 78 VIASAT-SP-BACKBONE, US 22773 3558 3069 266 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3523 1319 66 SHAW, CA 16625 3142 1564 2363 AKAMAI-AS, US 749 3126 54969 2378 DNIC-AS-00749, US 396982 2663 3593 377 GOOGLE-CLOUD-PLATFORM, US 30036 2509 361 394 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2464 24007 1566 ATT-INTERNET4, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7304 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4092 3398 162 AKAMAI-ASN1, NL 8551 3463 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2944 2292 912 ROSTELECOM-AS, RU 9009 2663 248 1380 M247, RO 34984 2296 360 605 TELLCOM-AS, TR 6849 1971 307 17 UKRTELNET, UA 58224 1832 946 537 TCI, IR 61317 1634 109 1267 ASDETUK www.heficed.com, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 11421 3373 587 UNINET, MX 10620 3527 506 845 Telmex Colombia S.A., CO 13999 2363 353 632 Mega Cable, S.A. de C.V., MX 11830 2269 369 64 Instituto Costarricense de Electricidad 28573 1318 2323 241 Claro NXT Telecomunicacoes Ltda, BR 6503 1304 343 512 Axtel, S.A.B. de C.V., MX 3816 1299 766 165 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1133 370 22 Telefonica del Peru S.A.A., PE 11664 1103 180 437 Techtel LMDS Comunicaciones Interactiva 26615 1035 2499 46 TIM SA, BR Complete listing at https://bgp.nsrc.org/REN/AARNET/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 1309 1518 281 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1038 67 47 ORANGE-COTE-IVOIRE, CI 36935 916 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 525 54 47 WANANCHI-, KE 37342 478 32 1 MOVITEL, MZ 24757 469 73 5 EthioNet-AS, ET Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 11421 3373 587 UNINET, MX 9808 9514 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8527 10865 3118 AMAZON-02, US 12479 7304 1706 141 UNI2-AS, ES 7545 5676 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4524 300 603 CABLEONE, US 18403 4219 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4103 284 78 VIASAT-SP-BACKBONE, US 20940 4092 3398 162 AKAMAI-ASN1, NL Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9514 9477 CHINAMOBILE-CN China Mobile Communications Grou 12479 7304 7163 UNI2-AS, ES 16509 8527 5409 AMAZON-02, US 7545 5676 4986 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4219 4194 FPT-AS-AP FPT Telecom Company, VN 7155 4103 4025 VIASAT-SP-BACKBONE, US 20940 4092 3930 AKAMAI-ASN1, NL 11492 4524 3921 CABLEONE, US 7713 3535 3469 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID Complete listing at https://bgp.nsrc.org/REN/AARNET/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/AARNET/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 100.96.100.0/24 57681 ASN-MGTS-USPD2, RU 192.88.99.0/24 6939 HURRICANE, US Complete listing at https://bgp.nsrc.org/REN/AARNET/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/AARNET/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- !!Default route being announced!! /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:14 /10:39 /11:103 /12:301 /13:580 /14:1195 /15:2100 /16:13460 /17:8230 /18:13815 /19:25022 /20:43550 /21:51455 /22:109800 /23:98512 /24:555969 /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 6392 7304 UNI2-AS, ES 8151 5355 11421 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3433 4524 CABLEONE, US 6327 3334 3523 SHAW, CA 7155 3090 4103 VIASAT-SP-BACKBONE, US 8551 2932 3463 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2624 3558 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2165 2509 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2086 3527 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2156 2:1328 3:212 4:5 5:4541 6:131 7:6 8:1525 9:1 11:172 12:1529 13:386 14:2309 15:304 16:192 17:370 18:465 20:261 21:4 22:188 23:6316 24:2607 25:6 27:2559 29:19 31:2507 32:78 34:22 35:113 36:1963 37:4687 38:4916 39:852 40:151 41:3935 42:2018 43:2330 44:310 45:16591 46:4285 47:376 49:1742 50:1872 51:585 52:1595 54:393 55:978 56:8 57:119 58:1895 59:1158 60:983 61:2526 62:2637 63:1909 64:5660 65:2320 66:5065 67:3073 68:1346 69:4140 70:1204 71:683 72:2987 74:2623 75:1556 76:617 77:2456 78:1827 79:2990 80:2107 81:1796 82:1496 83:1266 84:1531 85:3019 86:748 87:2016 88:1184 89:3729 90:616 91:7745 92:2046 93:2612 94:3613 95:4044 96:1315 97:336 98:1155 99:744 100:94 101:1079 102:2783 103:31675 104:4612 105:505 106:887 107:2582 108:1047 109:4212 110:2100 111:3124 112:2053 113:1725 114:1627 115:2032 116:1893 117:2531 118:2604 119:1988 120:1805 121:1094 122:2617 123:2163 124:1563 125:2490 128:1485 129:1056 130:1018 131:1997 132:849 133:422 134:1798 135:307 136:892 137:1094 138:2583 139:1558 140:1262 141:1457 142:1463 143:1456 144:1133 145:344 146:1963 147:1588 148:2438 149:2213 150:881 151:1158 152:1831 153:558 154:4616 155:1424 156:1825 157:1313 158:1089 159:2270 160:2564 161:1563 162:3523 163:1538 164:1628 165:1838 166:1094 167:1718 168:3861 169:952 170:4575 171:886 172:3600 173:2971 174:1075 175:1192 176:3783 177:4572 178:3618 179:2159 180:2551 181:3499 182:3399 183:2069 184:2334 185:20353 186:4824 187:3972 188:4119 189:3667 190:9228 191:1458 192:10927 193:8922 194:7341 195:5162 196:3126 197:2382 198:5969 199:6097 200:7988 201:5932 202:10556 203:10297 204:4566 205:3722 206:4333 207:3454 208:4137 209:4916 210:4377 211:2465 212:4236 213:3646 214:1090 215:59 216:6682 217:2741 218:1309 219:473 220:1994 221:966 222:753 223:2151 End of report