IPv4 R&E Routing Table Report 21:10 GMT Thu 16 Nov, 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: 933926 Prefixes after maximum aggregation (per Origin AS): 355236 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 454612 Number of IPv4 prefixes with a valid ROA: 429515 Number of IPv4 prefixes with an invalid ROA: 2404 Number of IPv4 prefixes with no ROA: 502007 Total ASes present in the Internet Routing Table: 75006 Prefixes per ASN: 12.45 Origin-only ASes present in the Internet Routing Table: 64456 Origin ASes announcing only one prefix: 26455 Transit ASes present in the Internet Routing Table: 10550 Transit-only ASes present in the Internet Routing Table: 473 Paths with bogon ASNs present in the IPv4 Routing Table: 45 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 251 Max AS path prepend of ASN ( 28025) 246 Prefixes from unregistered ASNs in the Routing Table: 1081 Number of instances of unregistered ASNs: 1083 Number of 32-bit ASNs allocated by the RIRs: 43052 Number of 32-bit ASNs visible in the Routing Table: 35357 Prefixes from 32-bit ASNs in the Routing Table: 177496 Number of bogon 32-bit ASNs visible in the Routing Table: 35 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 528 Number of addresses announced to Internet: 3050110976 Equivalent to 181 /8s, 205 /16s and 0 /24s Percentage of available address space announced: 82.4 Percentage of allocated address space announced: 82.4 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: 310240 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 247085 Total APNIC prefixes after maximum aggregation: 71024 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 240255 Unique aggregates announced from the APNIC address blocks: 99128 APNIC Region origin ASes present in the Internet Routing Table: 13723 APNIC Prefixes per ASN: 17.51 APNIC Region origin ASes announcing only one prefix: 4121 APNIC Region transit ASes present in the Internet Routing Table: 1838 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9075 Number of APNIC addresses announced to Internet: 771995648 Equivalent to 46 /8s, 3 /16s and 184 /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: 273421 Total ARIN prefixes after maximum aggregation: 124194 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 278069 Unique aggregates announced from the ARIN address blocks: 132231 ARIN Region origin ASes present in the Internet Routing Table: 19068 ARIN Prefixes per ASN: 14.58 ARIN Region origin ASes announcing only one prefix: 6956 ARIN Region transit ASes present in the Internet Routing Table: 1934 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 251 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4824 Number of ARIN addresses announced to Internet: 1276475904 Equivalent to 76 /8s, 21 /16s and 122 /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: 262502 Total RIPE prefixes after maximum aggregation: 124531 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 257073 Unique aggregates announced from the RIPE address blocks: 160640 RIPE Region origin ASes present in the Internet Routing Table: 28476 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12083 RIPE Region transit ASes present in the Internet Routing Table: 3897 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: 11430 Number of RIPE addresses announced to Internet: 715294208 Equivalent to 42 /8s, 162 /16s and 134 /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: 119701 Total LACNIC prefixes after maximum aggregation: 28712 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 118531 Unique aggregates announced from the LACNIC address blocks: 49356 LACNIC Region origin ASes present in the Internet Routing Table: 11040 LACNIC Prefixes per ASN: 10.74 LACNIC Region origin ASes announcing only one prefix: 2665 LACNIC Region transit ASes present in the Internet Routing Table: 2350 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 39 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8880 Number of LACNIC addresses announced to Internet: 178405376 Equivalent to 10 /8s, 162 /16s and 64 /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: 30136 Total AfriNIC prefixes after maximum aggregation: 6036 AfriNIC Deaggregation factor: 4.99 Prefixes being announced from the AfriNIC address blocks: 39469 Unique aggregates announced from the AfriNIC address blocks: 12813 AfriNIC Region origin ASes present in the Internet Routing Table: 1809 AfriNIC Prefixes per ASN: 21.82 AfriNIC Region origin ASes announcing only one prefix: 630 AfriNIC Region transit ASes present in the Internet Routing Table: 341 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: 1148 Number of AfriNIC addresses announced to Internet: 107505408 Equivalent to 6 /8s, 104 /16s and 103 /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 9729 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5698 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4293 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3597 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3258 493 245 BBIL-AP BHARTI Airtel Ltd., IN 45899 3250 1867 93 VNPT-AS-VN VNPT Corp, VN 7552 2985 1330 20 VIETEL-AS-AP Viettel Group, VN 4538 2940 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2585 852 376 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2282 11269 603 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 9235 11061 3353 AMAZON-02, US 11492 4556 302 675 CABLEONE, US 7155 4157 288 99 VIASAT-SP-BACKBONE, US 6327 3554 1320 67 SHAW, CA 22773 3515 3071 299 ASN-CXA-ALL-CCI-22773-RDC, US 749 3159 54932 2411 DNIC-AS-00749, US 16625 3127 1392 2301 AKAMAI-AS, US 367 3034 3868 1439 DNIC-ASBLK-00306-00371, US 396982 2723 3631 375 GOOGLE-CLOUD-PLATFORM, US 7018 2516 23615 1592 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 7460 1713 145 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 4026 3397 144 AKAMAI-ASN1, NL 8551 3439 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3422 297 1590 M247, RO 12389 2946 2295 914 ROSTELECOM-AS, RU 34984 2322 361 589 TELLCOM-AS, TR 58224 1651 910 584 TCI, IR 13188 1607 100 26 TRIOLAN, UA 8452 1523 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 12028 3369 602 UNINET, MX 10620 3545 504 856 Telmex Colombia S.A., CO 13999 2454 335 640 Mega Cable, S.A. de C.V., MX 11830 2008 369 64 Instituto Costarricense de Electricidad 28573 1334 2322 237 Claro NXT Telecomunicacoes Ltda, BR 3816 1298 778 195 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1251 342 506 Axtel, S.A.B. de C.V., MX 6147 1101 369 22 Telefonica del Peru S.A.A., PE 11664 1070 172 436 Techtel LMDS Comunicaciones Interactiva 26615 1040 2502 52 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 1606 393 19 LINKdotNET-AS, EG 24835 1548 545 28 RAYA-AS, EG 36992 1358 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1045 67 53 ORANGE-COTE-IVOIRE, CI 36935 935 521 43 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 504 53 41 WANANCHI-, KE 37342 493 32 1 MOVITEL, MZ 24757 480 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 12028 3369 602 UNINET, MX 9808 9729 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9235 11061 3353 AMAZON-02, US 12479 7460 1713 145 UNI2-AS, ES 7545 5698 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4556 302 675 CABLEONE, US 18403 4293 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4157 288 99 VIASAT-SP-BACKBONE, US 20940 4026 3397 144 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 9729 9689 CHINAMOBILE-CN China Mobile Communications Grou 12479 7460 7315 UNI2-AS, ES 16509 9235 5882 AMAZON-02, US 7545 5698 5003 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4293 4268 FPT-AS-AP FPT Telecom Company, VN 7155 4157 4058 VIASAT-SP-BACKBONE, US 20940 4026 3882 AKAMAI-ASN1, NL 11492 4556 3881 CABLEONE, US 7713 3597 3527 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 65536 DOCUMENT 5.102.30.0/24 198471 LINKEM-AS, IT 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 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 23.176.160.0/24 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 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 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 /10:38 /11:100 /12:299 /13:582 /14:1193 /15:2092 /16:13465 /17:8307 /18:13800 /19:25003 /20:43940 /21:51488 /22:110511 /23:99580 /24:563497 /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 6549 7460 UNI2-AS, ES 8151 6058 12028 UNINET, MX 11492 3469 4556 CABLEONE, US 6327 3364 3554 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3103 4157 VIASAT-SP-BACKBONE, US 8551 2916 3439 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2569 3515 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2135 2480 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2120 3545 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) ---------------------------------------------- 1:2220 2:1425 3:272 4:5 5:4381 6:162 7:6 8:1520 9:1 11:172 12:1494 13:365 14:2315 15:304 16:204 17:363 18:673 20:318 21:4 22:188 23:6535 24:2566 25:2 27:2600 29:19 31:2564 32:54 34:28 35:118 36:2018 37:4464 38:5618 39:877 40:149 41:3965 42:2077 43:2310 44:328 45:16826 46:4360 47:373 49:1863 50:1885 51:573 52:1591 54:393 55:881 56:5 57:130 58:1909 59:1161 60:1010 61:2583 62:2708 63:1901 64:5510 65:2231 66:5021 67:3059 68:1345 69:4129 70:1171 71:615 72:2926 74:2631 75:1563 76:626 77:2344 78:1828 79:3021 80:2110 81:1842 82:1529 83:1305 84:1613 85:2986 86:754 87:1953 88:1231 89:3953 90:627 91:7887 92:2132 93:2641 94:3589 95:4021 96:1300 97:315 98:1082 99:737 100:97 101:1391 102:2972 103:32454 104:4821 105:575 106:974 107:2782 108:1134 109:4211 110:2130 111:3125 112:2073 113:1667 114:1708 115:2057 116:1908 117:2488 118:2728 119:1960 120:1782 121:1238 122:2626 123:2208 124:1571 125:2648 128:1493 129:914 130:1063 131:1995 132:867 133:408 134:1705 135:297 136:923 137:1137 138:2726 139:1565 140:1330 141:1329 142:1543 143:1527 144:1008 145:343 146:1974 147:1635 148:2468 149:2338 150:1021 151:1252 152:1836 153:590 154:5358 155:1383 156:2125 157:1367 158:1051 159:2205 160:2605 161:1605 162:3564 163:1624 164:1664 165:1870 166:1081 167:1749 168:3852 169:789 170:4674 171:945 172:3807 173:2986 174:954 175:1199 176:3626 177:4585 178:3545 179:2192 180:2327 181:3589 182:3381 183:2009 184:2273 185:20649 186:4790 187:4236 188:4053 189:3967 190:9354 191:1462 192:11010 193:8976 194:7302 195:5115 196:3139 197:2465 198:6020 199:6484 200:8074 201:6254 202:10543 203:10179 204:4559 205:3691 206:4432 207:3511 208:4118 209:4926 210:4473 211:2504 212:4262 213:3419 214:1115 215:71 216:6714 217:2770 218:1323 219:474 220:2032 221:1007 222:781 223:2181 End of report