IPv4 R&E Routing Table Report 21:10 GMT Mon 19 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: 923878 Prefixes after maximum aggregation (per Origin AS): 350182 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 450909 Number of IPv4 prefixes with a valid ROA: 408061 Number of IPv4 prefixes with an invalid ROA: 2440 Number of IPv4 prefixes with no ROA: 513377 Total ASes present in the Internet Routing Table: 74516 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 64092 Origin ASes announcing only one prefix: 26262 Transit ASes present in the Internet Routing Table: 10424 Transit-only ASes present in the Internet Routing Table: 438 Paths with bogon ASNs present in the IPv4 Routing Table: 68 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: 1068 Number of instances of unregistered ASNs: 1135 Number of 32-bit ASNs allocated by the RIRs: 42085 Number of 32-bit ASNs visible in the Routing Table: 34708 Prefixes from 32-bit ASNs in the Routing Table: 172592 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: 579 Number of addresses announced to Internet: 3054066432 Equivalent to 182 /8s, 9 /16s and 91 /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: 308356 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243641 Total APNIC prefixes after maximum aggregation: 68988 APNIC Deaggregation factor: 3.53 Prefixes being announced from the APNIC address blocks: 237737 Unique aggregates announced from the APNIC address blocks: 98544 APNIC Region origin ASes present in the Internet Routing Table: 13447 APNIC Prefixes per ASN: 17.68 APNIC Region origin ASes announcing only one prefix: 3966 APNIC Region transit ASes present in the Internet Routing Table: 1791 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: 8781 Number of APNIC addresses announced to Internet: 773327872 Equivalent to 46 /8s, 24 /16s and 12 /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: 270849 Total ARIN prefixes after maximum aggregation: 123196 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 273419 Unique aggregates announced from the ARIN address blocks: 130559 ARIN Region origin ASes present in the Internet Routing Table: 19115 ARIN Prefixes per ASN: 14.30 ARIN Region origin ASes announcing only one prefix: 6987 ARIN Region transit ASes present in the Internet Routing Table: 1920 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: 4811 Number of ARIN addresses announced to Internet: 1278903296 Equivalent to 76 /8s, 58 /16s and 132 /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: 260239 Total RIPE prefixes after maximum aggregation: 122880 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256366 Unique aggregates announced from the RIPE address blocks: 159331 RIPE Region origin ASes present in the Internet Routing Table: 28342 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12031 RIPE Region transit ASes present in the Internet Routing Table: 3906 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: 11209 Number of RIPE addresses announced to Internet: 717568512 Equivalent to 42 /8s, 197 /16s and 58 /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: 118588 Total LACNIC prefixes after maximum aggregation: 28510 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 117714 Unique aggregates announced from the LACNIC address blocks: 49495 LACNIC Region origin ASes present in the Internet Routing Table: 11012 LACNIC Prefixes per ASN: 10.69 LACNIC Region origin ASes announcing only one prefix: 2665 LACNIC Region transit ASes present in the Internet Routing Table: 2289 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: 8802 Number of LACNIC addresses announced to Internet: 176790784 Equivalent to 10 /8s, 137 /16s and 157 /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: 29493 Total AfriNIC prefixes after maximum aggregation: 5853 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 38062 Unique aggregates announced from the AfriNIC address blocks: 12504 AfriNIC Region origin ASes present in the Internet Routing Table: 1757 AfriNIC Prefixes per ASN: 21.66 AfriNIC Region origin ASes announcing only one prefix: 613 AfriNIC Region transit ASes present in the Internet Routing Table: 328 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: 1105 Number of AfriNIC addresses announced to Internet: 107143424 Equivalent to 6 /8s, 98 /16s and 225 /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 9517 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5678 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4215 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 3031 498 252 BBIL-AP BHARTI Airtel Ltd., IN 4538 2731 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2430 837 441 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 8531 10867 3120 AMAZON-02, US 11492 4524 300 603 CABLEONE, US 7155 4103 284 78 VIASAT-SP-BACKBONE, US 22773 3568 3069 267 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3523 1319 66 SHAW, CA 16625 3131 1560 2355 AKAMAI-AS, US 749 3126 54969 2378 DNIC-AS-00749, US 396982 2662 3593 376 GOOGLE-CLOUD-PLATFORM, US 30036 2506 360 407 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2477 24007 1579 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 7300 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4092 3398 162 AKAMAI-ASN1, NL 8551 3462 369 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2944 2292 912 ROSTELECOM-AS, RU 9009 2662 247 1381 M247, RO 34984 2296 360 605 TELLCOM-AS, TR 6849 1970 307 17 UKRTELNET, UA 58224 1820 937 547 TCI, IR 61317 1633 109 1266 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 11399 3350 593 UNINET, MX 10620 3527 506 845 Telmex Colombia S.A., CO 13999 2348 352 630 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 1580 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 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 11399 3350 593 UNINET, MX 9808 9517 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8531 10867 3120 AMAZON-02, US 12479 7300 1706 141 UNI2-AS, ES 7545 5678 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4524 300 603 CABLEONE, US 18403 4215 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 9517 9480 CHINAMOBILE-CN China Mobile Communications Grou 12479 7300 7159 UNI2-AS, ES 16509 8531 5411 AMAZON-02, US 7545 5678 4988 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4215 4190 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 /15:2099 /16:13456 /17:8212 /18:13804 /19:25013 /20:43522 /21:51426 /22:109791 /23:98439 /24:555867 /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 6388 7300 UNI2-AS, ES 8151 5347 11399 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 2930 3462 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2633 3568 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2162 2506 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) ---------------------------------------------- 1:2151 2:1325 3:212 4:5 5:4542 6:127 7:6 8:1525 9:1 11:172 12:1529 13:388 14:2307 15:304 16:192 17:370 18:465 20:261 21:4 22:188 23:6310 24:2610 25:6 27:2572 29:19 31:2519 32:78 34:22 35:113 36:1962 37:4683 38:4910 39:851 40:151 41:3910 42:2019 43:2323 44:308 45:16578 46:4295 47:376 49:1742 50:1872 51:584 52:1595 54:393 55:846 56:8 57:119 58:1895 59:1144 60:983 61:2526 62:2637 63:1907 64:5673 65:2323 66:5063 67:3072 68:1346 69:4134 70:1204 71:683 72:2990 74:2630 75:1557 76:615 77:2451 78:1825 79:2991 80:2117 81:1795 82:1498 83:1265 84:1528 85:3016 86:752 87:2012 88:1180 89:3749 90:615 91:7742 92:2048 93:2611 94:3623 95:4041 96:1315 97:336 98:1157 99:744 100:94 101:1079 102:2793 103:31651 104:4608 105:505 106:887 107:2579 108:1053 109:4203 110:2102 111:3124 112:2052 113:1729 114:1627 115:2045 116:1890 117:2523 118:2611 119:1988 120:1802 121:1098 122:2613 123:2160 124:1563 125:2490 128:1487 129:1056 130:1018 131:1992 132:853 133:422 134:1818 135:307 136:892 137:1091 138:2567 139:1555 140:1249 141:1441 142:1460 143:1488 144:1134 145:344 146:1964 147:1590 148:2434 149:2216 150:894 151:1159 152:1829 153:557 154:4622 155:1422 156:1823 157:1318 158:1090 159:2271 160:2573 161:1561 162:3523 163:1554 164:1627 165:1835 166:1095 167:1723 168:3863 169:952 170:4567 171:887 172:3591 173:2959 174:1075 175:1193 176:3787 177:4579 178:3615 179:2170 180:2561 181:3500 182:3392 183:2071 184:2333 185:20338 186:4844 187:3981 188:4107 189:3679 190:9224 191:1469 192:10922 193:8918 194:7346 195:5172 196:3129 197:2379 198:5966 199:6099 200:7962 201:5931 202:10563 203:10301 204:4570 205:3724 206:4324 207:3454 208:4136 209:4912 210:4378 211:2465 212:4251 213:3645 214:1088 215:59 216:6681 217:2740 218:1308 219:473 220:1994 221:966 222:753 223:2157 End of report