IPv4 R&E Routing Table Report 21:10 GMT Sun 30 Jan, 2022 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: 888954 Prefixes after maximum aggregation (per Origin AS): 333671 Deaggregation factor: 2.66 Unique aggregates announced (without unneeded subnets): 426531 Number of IPv4 prefixes with a valid ROA: 306787 Number of IPv4 prefixes with an invalid ROA: 2771 Number of IPv4 prefixes with no ROA: 579396 Total ASes present in the Internet Routing Table: 72709 Prefixes per ASN: 12.23 Origin-only ASes present in the Internet Routing Table: 62414 Origin ASes announcing only one prefix: 25687 Transit ASes present in the Internet Routing Table: 10295 Transit-only ASes present in the Internet Routing Table: 374 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 251 Max AS path prepend of ASN ( 21299) 245 Prefixes from unregistered ASNs in the Routing Table: 931 Number of instances of unregistered ASNs: 935 Number of 32-bit ASNs allocated by the RIRs: 38452 Number of 32-bit ASNs visible in the Routing Table: 31992 Prefixes from 32-bit ASNs in the Routing Table: 149394 Number of bogon 32-bit ASNs visible in the Routing Table: 43 Special use prefixes present in the Routing Table: 4 Prefixes being announced from unallocated address space: 566 Number of addresses announced to Internet: 3068565504 Equivalent to 182 /8s, 230 /16s and 152 /24s Percentage of available address space announced: 82.9 Percentage of allocated address space announced: 82.9 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.5 Total number of prefixes smaller than registry allocations: 299893 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 234565 Total APNIC prefixes after maximum aggregation: 65443 APNIC Deaggregation factor: 3.58 Prefixes being announced from the APNIC address blocks: 229379 Unique aggregates announced from the APNIC address blocks: 93876 APNIC Region origin ASes present in the Internet Routing Table: 12304 APNIC Prefixes per ASN: 18.64 APNIC Region origin ASes announcing only one prefix: 3494 APNIC Region transit ASes present in the Internet Routing Table: 1738 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 30 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7509 Number of APNIC addresses announced to Internet: 774138368 Equivalent to 46 /8s, 36 /16s and 106 /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, 131072-151865 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: 258007 Total ARIN prefixes after maximum aggregation: 118637 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 257987 Unique aggregates announced from the ARIN address blocks: 122956 ARIN Region origin ASes present in the Internet Routing Table: 18933 ARIN Prefixes per ASN: 13.63 ARIN Region origin ASes announcing only one prefix: 6844 ARIN Region transit ASes present in the Internet Routing Table: 1927 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 251 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4313 Number of ARIN addresses announced to Internet: 1296029440 Equivalent to 77 /8s, 63 /16s and 215 /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: 253249 Total RIPE prefixes after maximum aggregation: 116263 RIPE Deaggregation factor: 2.18 Prefixes being announced from the RIPE address blocks: 249730 Unique aggregates announced from the RIPE address blocks: 148842 RIPE Region origin ASes present in the Internet Routing Table: 28194 RIPE Prefixes per ASN: 8.86 RIPE Region origin ASes announcing only one prefix: 12129 RIPE Region transit ASes present in the Internet Routing Table: 3944 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10641 Number of RIPE addresses announced to Internet: 713431808 Equivalent to 42 /8s, 134 /16s and 27 /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: 114559 Total LACNIC prefixes after maximum aggregation: 27277 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115270 Unique aggregates announced from the LACNIC address blocks: 48463 LACNIC Region origin ASes present in the Internet Routing Table: 10921 LACNIC Prefixes per ASN: 10.55 LACNIC Region origin ASes announcing only one prefix: 2674 LACNIC Region transit ASes present in the Internet Routing Table: 2192 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8611 Number of LACNIC addresses announced to Internet: 176422144 Equivalent to 10 /8s, 131 /16s and 253 /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: 27643 Total AfriNIC prefixes after maximum aggregation: 5366 AfriNIC Deaggregation factor: 5.15 Prefixes being announced from the AfriNIC address blocks: 36021 Unique aggregates announced from the AfriNIC address blocks: 11904 AfriNIC Region origin ASes present in the Internet Routing Table: 1585 AfriNIC Prefixes per ASN: 22.73 AfriNIC Region origin ASes announcing only one prefix: 546 AfriNIC Region transit ASes present in the Internet Routing Table: 317 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 31 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 918 Number of AfriNIC addresses announced to Internet: 108194304 Equivalent to 6 /8s, 114 /16s and 234 /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 9047 8881 37 CHINAMOBILE-CN China Mobile Communicati 7545 5852 787 685 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4644 4192 73 ERX-CERNET-BKB China Education and Rese 7552 3605 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3489 1038 51 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3434 1880 57 VNPT-AS-VN VNPT Corp, VN 4766 2275 11119 593 KIXS-AS-KR Korea Telecom, KR 9498 2272 475 232 BBIL-AP BHARTI Airtel Ltd., IN 45090 2185 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2116 429 198 TATACOMM-AS TATA Communications formerl 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 6172 10144 2630 AMAZON-02, US 11492 4517 299 789 CABLEONE, US 22773 3997 3054 376 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3951 264 30 VIASAT-SP-BACKBONE, US 16625 3656 1885 2563 AKAMAI-AS, US 6327 3359 1318 62 SHAW, CA 749 2887 50780 2143 DNIC-AS-00749, US 30036 2612 374 131 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2506 4962 428 CENTURYLINK-US-LEGACY-QWEST, US 20115 2249 3035 508 CHARTER-20115, 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 9121 6893 1692 17 TTNET, TR 12479 6792 1718 153 UNI2-AS, ES 8551 4007 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3873 3194 541 AKAMAI-ASN1, NL 39891 3274 188 25 ALJAWWALSTC-AS, SA 12389 2929 2290 905 ROSTELECOM-AS, RU 9009 2511 258 1307 M247, GB 34984 2219 357 602 TELLCOM-AS, TR 58224 1784 927 583 TCI, IR 47331 1760 278 1333 TTNET, TR 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 10745 3410 571 Uninet S.A. de C.V., MX 10620 3453 518 715 Telmex Colombia S.A., CO 11830 2462 369 62 Instituto Costarricense de Electricidad 13999 1650 283 470 Mega Cable, S.A. de C.V., MX 6503 1442 355 525 Axtel, S.A.B. de C.V., MX 28573 1389 2330 249 CLARO S.A., BR 3816 1247 658 147 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 26615 1133 2350 139 TIM SA, BR 6147 1094 369 21 Telefonica del Peru S.A.A., PE 11664 1001 191 448 Techtel LMDS Comunicaciones Interactiva 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 1609 393 21 LINKdotNET-AS, EG 24835 1546 515 32 RAYA-AS, EG 36992 1299 1518 262 ETISALAT-MISR, EG 36903 1195 543 114 MT-MPLS, MA 29571 876 63 60 ORANGE-COTE-IVOIRE, CI 36935 735 521 39 Vodafone-, EG 6713 613 1863 34 IAM-AS, MA 15399 519 50 33 WANANCHI-, KE 37342 468 32 1 MOVITEL, MZ 23889 428 232 16 MauritiusTelecom, MU 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 10745 3410 571 Uninet S.A. de C.V., MX 9808 9047 8881 37 CHINAMOBILE-CN China Mobile Communicati 9121 6893 1692 17 TTNET, TR 12479 6792 1718 153 UNI2-AS, ES 16509 6172 10144 2630 AMAZON-02, US 7545 5852 787 685 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4644 4192 73 ERX-CERNET-BKB China Education and Rese 11492 4517 299 789 CABLEONE, US 8551 4007 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 22773 3997 3054 376 ASN-CXA-ALL-CCI-22773-RDC, 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 9047 9010 CHINAMOBILE-CN China Mobile Communications Grou 9121 6893 6876 TTNET, TR 12479 6792 6639 UNI2-AS, ES 7545 5852 5167 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4644 4571 ERX-CERNET-BKB China Education and Research Net 8551 4007 3968 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3951 3921 VIASAT-SP-BACKBONE, US 11492 4517 3728 CABLEONE, US 22773 3997 3621 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3605 3586 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 46990 UNALLOCATED 8.5.242.0/23 3356 LEVEL3, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 18604 UNALLOCATED 8.25.204.0/24 3356 LEVEL3, US 32848 UNALLOCATED 8.28.72.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 395056 UNALLOCATED 8.45.133.0/24 3356 LEVEL3, US 32306 UNALLOCATED 8.46.80.0/24 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 100.64.3.0/24 48276 LEVEL-AS, RU 192.88.99.0/24 6939 HURRICANE, US 198.19.224.0/24 56207 CONVERGE Converge ICT, PH 198.19.226.0/24 56207 CONVERGE Converge ICT, PH Complete listing at https://bgp.nsrc.org/REN/AARNET/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.252.160.0/24 Origin: 398968 GROUP-IID-01, US 23.252.160.0/24 Transit: 174 COGENT-174, US 23.252.161.0/24 Origin: 398968 GROUP-IID-01, US 23.252.161.0/24 Transit: 174 COGENT-174, US 23.252.163.0/24 Origin: 398968 GROUP-IID-01, US 23.252.163.0/24 Transit: 174 COGENT-174, US 23.252.164.0/24 Origin: 398968 GROUP-IID-01, US 23.252.164.0/24 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 /9:13 /10:40 /11:100 /12:305 /13:591 /14:1203 /15:2067 /16:13594 /17:8362 /18:13903 /19:25164 /20:43443 /21:52197 /22:108376 /23:95736 /24:523843 /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 9121 6030 6893 TTNET, TR 12479 5748 6792 UNI2-AS, ES 8151 4581 10745 Uninet S.A. de C.V., MX 8551 3471 4007 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3443 4517 CABLEONE, US 6327 3171 3359 SHAW, CA 7155 3041 3951 VIASAT-SP-BACKBONE, US 22773 2980 3997 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2810 3274 ALJAWWALSTC-AS, SA 30036 2267 2612 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1899 2:1003 3:153 4:7 5:3724 6:103 7:5 8:1522 9:1 11:172 12:1707 13:410 14:2371 15:155 16:39 17:373 18:134 20:166 21:4 22:188 23:5417 24:2335 25:6 27:2671 29:19 31:2406 32:98 34:1 35:52 36:1736 37:3944 38:2510 39:715 40:150 41:3895 42:1062 43:2116 44:295 45:16047 46:3853 47:303 49:1616 50:1902 51:107 52:1345 53:1 54:293 55:743 56:8 57:56 58:1817 59:1125 60:960 61:2270 62:2436 63:1947 64:5366 65:2312 66:4904 67:2948 68:1183 69:4165 70:1342 71:679 72:3058 74:2638 75:1514 76:715 77:2135 78:3816 79:3107 80:1931 81:1657 82:1450 83:1197 84:1323 85:3557 86:705 87:1899 88:2623 89:3141 90:498 91:7533 92:1901 93:2597 94:3248 95:4490 96:1308 97:345 98:994 99:862 100:76 101:1064 102:1960 103:28255 104:4111 105:462 106:843 107:2456 108:760 109:4187 110:2054 111:3207 112:1965 113:1488 114:1537 115:2136 116:1888 117:2509 118:2333 119:1872 120:1636 121:1056 122:2522 123:2154 124:1556 125:2089 128:1375 129:1199 130:920 131:2091 132:784 133:367 134:1940 135:290 136:853 137:997 138:2469 139:1228 140:881 141:1346 142:1248 143:1430 144:1229 145:336 146:1764 147:1477 148:2242 149:1664 150:856 151:1084 152:1818 153:524 154:3684 155:1361 156:1855 157:1216 158:1010 159:2028 160:2392 161:1296 162:3423 163:1216 164:1680 165:1562 166:620 167:1718 168:3661 169:695 170:4308 171:821 172:3011 173:3045 174:1019 175:1144 176:3514 177:4562 178:3041 179:2018 180:2363 181:2864 182:3184 183:1919 184:2400 185:19299 186:4305 187:3583 188:3794 189:3253 190:8933 191:1313 192:11013 193:8521 194:6955 195:4978 196:2923 197:2372 198:5987 199:5999 200:7504 201:5748 202:10537 203:10236 204:4527 205:3390 206:3804 207:3372 208:4000 209:4620 210:4279 211:2452 212:3941 213:3395 214:1151 215:64 216:6374 217:2618 218:1233 219:579 220:2042 221:990 222:862 223:2145 End of report