IPv4 R&E Routing Table Report 21:10 GMT Sat 10 Feb, 2024 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: 938654 Prefixes after maximum aggregation (per Origin AS): 357169 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 457020 Number of IPv4 prefixes with a valid ROA: 443357 Number of IPv4 prefixes with an invalid ROA: 3357 Number of IPv4 prefixes with no ROA: 491940 Total ASes present in the Internet Routing Table: 75299 Prefixes per ASN: 12.47 Origin-only ASes present in the Internet Routing Table: 64653 Origin ASes announcing only one prefix: 26513 Transit ASes present in the Internet Routing Table: 10646 Transit-only ASes present in the Internet Routing Table: 487 Paths with bogon ASNs present in the IPv4 Routing Table: 41 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 36 Max AS path prepend of ASN ( 59588) 31 Prefixes from unregistered ASNs in the Routing Table: 1128 Number of instances of unregistered ASNs: 1135 Number of 32-bit ASNs allocated by the RIRs: 43596 Number of 32-bit ASNs visible in the Routing Table: 35802 Prefixes from 32-bit ASNs in the Routing Table: 181266 Number of bogon 32-bit ASNs visible in the Routing Table: 42 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 499 Number of addresses announced to Internet: 3041357568 Equivalent to 181 /8s, 71 /16s and 111 /24s Percentage of available address space announced: 82.1 Percentage of allocated address space announced: 82.1 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: 311598 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 247395 Total APNIC prefixes after maximum aggregation: 72173 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 240179 Unique aggregates announced from the APNIC address blocks: 99964 APNIC Region origin ASes present in the Internet Routing Table: 13909 APNIC Prefixes per ASN: 17.27 APNIC Region origin ASes announcing only one prefix: 4208 APNIC Region transit ASes present in the Internet Routing Table: 1872 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9308 Number of APNIC addresses announced to Internet: 773920000 Equivalent to 46 /8s, 33 /16s and 21 /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: 276051 Total ARIN prefixes after maximum aggregation: 123640 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 280870 Unique aggregates announced from the ARIN address blocks: 132254 ARIN Region origin ASes present in the Internet Routing Table: 19083 ARIN Prefixes per ASN: 14.72 ARIN Region origin ASes announcing only one prefix: 6951 ARIN Region transit ASes present in the Internet Routing Table: 1944 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4843 Number of ARIN addresses announced to Internet: 1269461504 Equivalent to 75 /8s, 170 /16s and 114 /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: 262790 Total RIPE prefixes after maximum aggregation: 125651 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 257532 Unique aggregates announced from the RIPE address blocks: 161505 RIPE Region origin ASes present in the Internet Routing Table: 28532 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12089 RIPE Region transit ASes present in the Internet Routing Table: 3916 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11569 Number of RIPE addresses announced to Internet: 713406464 Equivalent to 42 /8s, 133 /16s and 184 /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: 120824 Total LACNIC prefixes after maximum aggregation: 28895 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 119449 Unique aggregates announced from the LACNIC address blocks: 49614 LACNIC Region origin ASes present in the Internet Routing Table: 11057 LACNIC Prefixes per ASN: 10.80 LACNIC Region origin ASes announcing only one prefix: 2628 LACNIC Region transit ASes present in the Internet Routing Table: 2385 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 30 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8912 Number of LACNIC addresses announced to Internet: 177964288 Equivalent to 10 /8s, 155 /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: 30466 Total AfriNIC prefixes after maximum aggregation: 6075 AfriNIC Deaggregation factor: 5.01 Prefixes being announced from the AfriNIC address blocks: 40124 Unique aggregates announced from the AfriNIC address blocks: 13271 AfriNIC Region origin ASes present in the Internet Routing Table: 1820 AfriNIC Prefixes per ASN: 22.05 AfriNIC Region origin ASes announcing only one prefix: 637 AfriNIC Region transit ASes present in the Internet Routing Table: 352 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1170 Number of AfriNIC addresses announced to Internet: 106311680 Equivalent to 6 /8s, 86 /16s and 48 /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 9815 8738 50 CHINAMOBILE-CN China Mobile Communicati 7545 5677 784 684 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4599 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3877 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3604 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3484 499 255 BBIL-AP BHARTI Airtel Ltd., IN 45899 3268 1867 93 VNPT-AS-VN VNPT Corp, VN 24560 2697 859 383 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2172 433 189 TATACOMM-AS TATA Communications formerl 45090 2149 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 9640 11228 3387 AMAZON-02, US 22773 5009 3078 299 ASN-CXA-ALL-CCI-22773-RDC, US 11492 4580 304 655 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 6327 3592 1320 74 SHAW, CA 16625 3220 1408 2298 AKAMAI-AS, US 749 3184 54927 2436 DNIC-AS-00749, US 174 3119 6640 660 COGENT-174, US 367 2919 3728 1420 DNIC-ASBLK-00306-00371, US 396982 2752 3639 394 GOOGLE-CLOUD-PLATFORM, 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 7597 1698 149 UNI2-AS, ES 39891 4658 280 55 ALJAWWALSTC-AS, SA 20940 3851 3396 132 AKAMAI-ASN1, NL 9009 3288 286 1595 M247, RO 12389 2978 2302 906 ROSTELECOM-AS, RU 8551 2702 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2346 363 592 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1492 848 597 TCI, IR 8452 1483 1852 14 TE-AS TE-AS, EG 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 12401 3390 616 UNINET, MX 10620 3522 496 891 Telmex Colombia S.A., CO 13999 2502 337 640 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1326 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1305 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1213 340 498 Axtel, S.A.B. de C.V., MX 11664 1134 178 426 Techtel LMDS Comunicaciones Interactiva 6147 1086 369 22 Telefonica del Peru S.A.A., PE 22884 1071 115 377 TOTAL PLAY TELECOMUNICACIONES SA DE CV, 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 24835 1548 545 28 RAYA-AS, EG 24863 1518 389 16 LINKdotNET-AS, EG 36992 1361 1519 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1124 72 58 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 36914 533 82 3 KENET-AS, KE 15399 507 55 54 WANANCHI-, KE 24757 487 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 12401 3390 616 UNINET, MX 9808 9815 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9640 11228 3387 AMAZON-02, US 12479 7597 1698 149 UNI2-AS, ES 7545 5677 784 684 TPG-INTERNET-AP TPG Telecom Limited, AU 22773 5009 3078 299 ASN-CXA-ALL-CCI-22773-RDC, US 39891 4658 280 55 ALJAWWALSTC-AS, SA 18403 4599 347 25 FPT-AS-AP FPT Telecom Company, VN 11492 4580 304 655 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 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 9815 9765 CHINAMOBILE-CN China Mobile Communications Grou 12479 7597 7448 UNI2-AS, ES 16509 9640 6253 AMAZON-02, US 7545 5677 4993 TPG-INTERNET-AP TPG Telecom Limited, AU 22773 5009 4710 ASN-CXA-ALL-CCI-22773-RDC, US 39891 4658 4603 ALJAWWALSTC-AS, SA 18403 4599 4574 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4081 VIASAT-SP-BACKBONE, US 11492 4580 3925 CABLEONE, US 7552 3877 3856 VIETEL-AS-AP Viettel Group, VN 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 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, 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 3356 LEVEL3, 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 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.164.72.0/24 Origin: 49195 SSAC, CN 23.164.72.0/24 Transit: 57974 AS-PDCS, US 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 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 /10:36 /11:98 /12:300 /13:576 /14:1190 /15:2090 /16:13370 /17:8156 /18:13635 /19:24781 /20:43418 /21:51514 /22:110475 /23:99895 /24:569089 /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 6714 7597 UNI2-AS, ES 8151 6377 12401 UNINET, MX 22773 4043 5009 ASN-CXA-ALL-CCI-22773-RDC, US 11492 3494 4580 CABLEONE, US 6327 3391 3592 SHAW, CA 39891 3340 4658 ALJAWWALSTC-AS, SA 7155 3121 4177 VIASAT-SP-BACKBONE, US 8551 2178 2702 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2138 2481 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2128 3522 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) ---------------------------------------------- 1:2301 2:1531 3:298 4:6 5:4466 6:165 7:6 8:1501 9:2 11:172 12:1481 13:379 14:2332 15:311 16:203 17:362 18:732 20:353 21:4 22:188 23:6592 24:2763 25:2 27:2624 29:19 31:2559 32:54 34:38 35:124 36:2157 37:4482 38:6883 39:900 40:140 41:4059 42:2215 43:2302 44:332 45:16888 46:4352 47:286 49:1898 50:1903 51:572 52:1591 54:343 55:882 56:5 57:148 58:2009 59:1147 60:1018 61:2582 62:2695 63:1924 64:5517 65:2211 66:4929 67:3055 68:1568 69:4088 70:1326 71:587 72:2971 74:2651 75:1554 76:632 77:2357 78:1848 79:2512 80:2128 81:1887 82:1531 83:1246 84:1629 85:3095 86:783 87:1973 88:1221 89:3998 90:672 91:7926 92:2189 93:2638 94:3651 95:4084 96:1285 97:313 98:1086 99:744 100:96 101:1154 102:3095 103:32494 104:4769 105:588 106:917 107:2764 108:1131 109:4014 110:2141 111:3147 112:2057 113:1730 114:1741 115:2022 116:1948 117:2642 118:2749 119:1936 120:1784 121:1267 122:2634 123:2214 124:1544 125:2819 126:28 128:1535 129:923 130:1087 131:1831 132:823 133:411 134:1706 135:311 136:922 137:1164 138:2789 139:1548 140:1365 141:1347 142:1559 143:1508 144:1014 145:344 146:2004 147:1704 148:2508 149:2512 150:1030 151:1325 152:1980 153:593 154:5660 155:1368 156:2103 157:1524 158:1086 159:2205 160:2602 161:1631 162:3603 163:1702 164:1629 165:2125 166:1061 167:1710 168:3800 169:799 170:4697 171:996 172:3809 173:3015 174:927 175:1226 176:3651 177:4565 178:3555 179:2231 180:2381 181:3679 182:3423 183:2015 184:2276 185:20574 186:4827 187:4412 188:4001 189:4049 190:9329 191:1448 192:11007 193:8995 194:7384 195:5252 196:3143 197:2637 198:6005 199:7124 200:8083 201:6347 202:10298 203:10283 204:4559 205:3728 206:4433 207:3518 208:4127 209:4954 210:4463 211:2506 212:4258 213:3421 214:1116 215:44 216:6802 217:2778 218:1316 219:423 220:2051 221:1021 222:691 223:2194 End of report