IPv4 R&E Routing Table Report 21:10 GMT Fri 16 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: 923581 Prefixes after maximum aggregation (per Origin AS): 350058 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 450738 Number of IPv4 prefixes with a valid ROA: 407523 Number of IPv4 prefixes with an invalid ROA: 2403 Number of IPv4 prefixes with no ROA: 513655 Total ASes present in the Internet Routing Table: 74491 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 64059 Origin ASes announcing only one prefix: 26255 Transit ASes present in the Internet Routing Table: 10432 Transit-only ASes present in the Internet Routing Table: 430 Paths with bogon ASNs present in the IPv4 Routing Table: 65 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: 1073 Number of instances of unregistered ASNs: 1140 Number of 32-bit ASNs allocated by the RIRs: 42067 Number of 32-bit ASNs visible in the Routing Table: 34688 Prefixes from 32-bit ASNs in the Routing Table: 172649 Number of bogon 32-bit ASNs visible in the Routing Table: 181 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 587 Number of addresses announced to Internet: 3055419648 Equivalent to 182 /8s, 30 /16s and 1 /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: 308206 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243447 Total APNIC prefixes after maximum aggregation: 69010 APNIC Deaggregation factor: 3.53 Prefixes being announced from the APNIC address blocks: 237517 Unique aggregates announced from the APNIC address blocks: 98451 APNIC Region origin ASes present in the Internet Routing Table: 13435 APNIC Prefixes per ASN: 17.68 APNIC Region origin ASes announcing only one prefix: 3962 APNIC Region transit ASes present in the Internet Routing Table: 1792 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8765 Number of APNIC addresses announced to Internet: 773288704 Equivalent to 46 /8s, 23 /16s and 115 /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: 270766 Total ARIN prefixes after maximum aggregation: 123160 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 273369 Unique aggregates announced from the ARIN address blocks: 130523 ARIN Region origin ASes present in the Internet Routing Table: 19108 ARIN Prefixes per ASN: 14.31 ARIN Region origin ASes announcing only one prefix: 6987 ARIN Region transit ASes present in the Internet Routing Table: 1921 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: 1279841280 Equivalent to 76 /8s, 72 /16s and 212 /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: 260091 Total RIPE prefixes after maximum aggregation: 122786 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256232 Unique aggregates announced from the RIPE address blocks: 159286 RIPE Region origin ASes present in the Internet Routing Table: 28349 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12035 RIPE Region transit ASes present in the Internet Routing Table: 3901 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 33 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11212 Number of RIPE addresses announced to Internet: 717534976 Equivalent to 42 /8s, 196 /16s and 183 /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: 118645 Total LACNIC prefixes after maximum aggregation: 28494 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 117771 Unique aggregates announced from the LACNIC address blocks: 49473 LACNIC Region origin ASes present in the Internet Routing Table: 11009 LACNIC Prefixes per ASN: 10.70 LACNIC Region origin ASes announcing only one prefix: 2661 LACNIC Region transit ASes present in the Internet Routing Table: 2296 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8799 Number of LACNIC addresses announced to Internet: 176933632 Equivalent to 10 /8s, 139 /16s and 203 /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: 29559 Total AfriNIC prefixes after maximum aggregation: 5851 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 38104 Unique aggregates announced from the AfriNIC address blocks: 12523 AfriNIC Region origin ASes present in the Internet Routing Table: 1753 AfriNIC Prefixes per ASN: 21.74 AfriNIC Region origin ASes announcing only one prefix: 610 AfriNIC Region transit ASes present in the Internet Routing Table: 330 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: 1103 Number of AfriNIC addresses announced to Internet: 107421184 Equivalent to 6 /8s, 103 /16s and 30 /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 5722 784 689 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4217 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 3361 1851 90 VNPT-AS-VN VNPT Corp, VN 9498 3026 498 252 BBIL-AP BHARTI Airtel Ltd., IN 4538 2731 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2427 836 445 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 8518 10866 3117 AMAZON-02, US 11492 4503 298 624 CABLEONE, US 7155 4104 284 78 VIASAT-SP-BACKBONE, US 22773 3568 3067 266 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3523 1319 66 SHAW, CA 16625 3129 1559 2355 AKAMAI-AS, US 749 3126 54969 2378 DNIC-AS-00749, US 396982 2662 3593 376 GOOGLE-CLOUD-PLATFORM, US 30036 2499 359 427 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2468 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 7301 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4089 3398 162 AKAMAI-ASN1, NL 8551 3461 369 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2944 2292 912 ROSTELECOM-AS, RU 9009 2661 247 1380 M247, RO 34984 2297 361 606 TELLCOM-AS, TR 6849 1970 307 17 UKRTELNET, UA 58224 1827 946 537 TCI, IR 61317 1632 109 1263 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 11341 3371 589 Uninet S.A. de C.V., MX 10620 3527 506 845 Telmex Colombia S.A., CO 13999 2360 353 627 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 1303 343 512 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 1103 180 437 Techtel LMDS Comunicaciones Interactiva 26615 1034 2498 45 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 1579 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 6713 549 1861 34 IAM-AS, MA 15399 522 54 46 WANANCHI-, KE 24757 493 73 5 EthioNet-AS, ET 37342 478 32 1 MOVITEL, MZ 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 11341 3371 589 Uninet S.A. de C.V., MX 9808 9514 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8518 10866 3117 AMAZON-02, US 12479 7301 1706 141 UNI2-AS, ES 7545 5722 784 689 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4503 298 624 CABLEONE, US 18403 4217 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4104 284 78 VIASAT-SP-BACKBONE, US 20940 4089 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 7301 7160 UNI2-AS, ES 16509 8518 5401 AMAZON-02, US 7545 5722 5033 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 4089 3927 AKAMAI-ASN1, NL 11492 4503 3879 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 /13:582 /14:1197 /15:2100 /16:13469 /17:8225 /18:13820 /19:25019 /20:43554 /21:51401 /22:109750 /23:98463 /24:555527 /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 5309 11341 Uninet S.A. de C.V., MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3415 4503 CABLEONE, US 6327 3334 3523 SHAW, CA 7155 3090 4104 VIASAT-SP-BACKBONE, US 8551 2929 3461 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2634 3568 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2155 2499 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) ---------------------------------------------- 1:2149 2:1319 3:208 4:5 5:4542 6:131 7:6 8:1525 9:1 11:172 12:1529 13:387 14:2309 15:306 16:193 17:370 18:453 20:260 21:4 22:188 23:6309 24:2593 25:6 27:2546 29:19 31:2513 32:78 34:22 35:111 36:1955 37:4679 38:4913 39:846 40:151 41:3913 42:2014 43:2325 44:309 45:16579 46:4297 47:375 49:1740 50:1874 51:584 52:1594 54:393 55:872 56:8 57:119 58:1894 59:1100 60:988 61:2529 62:2636 63:1902 64:5682 65:2320 66:5058 67:3063 68:1346 69:4129 70:1205 71:681 72:2988 74:2631 75:1557 76:615 77:2452 78:1825 79:2991 80:2111 81:1795 82:1498 83:1261 84:1529 85:3012 86:757 87:2015 88:1181 89:3747 90:616 91:7748 92:2046 93:2618 94:3623 95:4048 96:1316 97:336 98:1155 99:744 100:92 101:1080 102:2793 103:31597 104:4608 105:505 106:879 107:2578 108:1052 109:4205 110:2112 111:3121 112:2044 113:1728 114:1661 115:2043 116:1874 117:2512 118:2591 119:1989 120:1802 121:1097 122:2607 123:2154 124:1563 125:2488 128:1485 129:1057 130:1017 131:1975 132:857 133:422 134:1818 135:307 136:882 137:1092 138:2590 139:1555 140:1256 141:1436 142:1460 143:1492 144:1126 145:344 146:1963 147:1593 148:2437 149:2244 150:893 151:1159 152:1819 153:557 154:4599 155:1422 156:1828 157:1318 158:1090 159:2269 160:2571 161:1556 162:3523 163:1590 164:1628 165:1836 166:1088 167:1722 168:3857 169:952 170:4593 171:883 172:3584 173:2962 174:1072 175:1184 176:3781 177:4635 178:3619 179:2175 180:2560 181:3474 182:3390 183:2076 184:2336 185:20343 186:4811 187:3989 188:4103 189:3657 190:9193 191:1436 192:10922 193:8910 194:7349 195:5167 196:3133 197:2387 198:5964 199:6101 200:7991 201:5933 202:10532 203:10308 204:4565 205:3703 206:4308 207:3453 208:4131 209:4901 210:4377 211:2464 212:4229 213:3643 214:1087 215:59 216:6669 217:2734 218:1305 219:473 220:1999 221:966 222:754 223:2152 End of report