IPv4 R&E Routing Table Report 21:10 GMT Mon 24 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: 887841 Prefixes after maximum aggregation (per Origin AS): 333255 Deaggregation factor: 2.66 Unique aggregates announced (without unneeded subnets): 426042 Number of IPv4 prefixes with a valid ROA: 305469 Number of IPv4 prefixes with an invalid ROA: 2687 Number of IPv4 prefixes with no ROA: 579685 Total ASes present in the Internet Routing Table: 72661 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 62372 Origin ASes announcing only one prefix: 25657 Transit ASes present in the Internet Routing Table: 10289 Transit-only ASes present in the Internet Routing Table: 383 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: 944 Number of instances of unregistered ASNs: 948 Number of 32-bit ASNs allocated by the RIRs: 38382 Number of 32-bit ASNs visible in the Routing Table: 31929 Prefixes from 32-bit ASNs in the Routing Table: 148810 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: 3068249856 Equivalent to 182 /8s, 225 /16s and 199 /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: 299521 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 234123 Total APNIC prefixes after maximum aggregation: 65243 APNIC Deaggregation factor: 3.59 Prefixes being announced from the APNIC address blocks: 228999 Unique aggregates announced from the APNIC address blocks: 93754 APNIC Region origin ASes present in the Internet Routing Table: 12278 APNIC Prefixes per ASN: 18.65 APNIC Region origin ASes announcing only one prefix: 3483 APNIC Region transit ASes present in the Internet Routing Table: 1734 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: 7481 Number of APNIC addresses announced to Internet: 773283072 Equivalent to 46 /8s, 23 /16s and 93 /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: 257923 Total ARIN prefixes after maximum aggregation: 118587 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 257884 Unique aggregates announced from the ARIN address blocks: 122956 ARIN Region origin ASes present in the Internet Routing Table: 18926 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: 4300 Number of ARIN addresses announced to Internet: 1296520960 Equivalent to 77 /8s, 71 /16s and 87 /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: 252875 Total RIPE prefixes after maximum aggregation: 116133 RIPE Deaggregation factor: 2.18 Prefixes being announced from the RIPE address blocks: 249225 Unique aggregates announced from the RIPE address blocks: 148497 RIPE Region origin ASes present in the Internet Routing Table: 28171 RIPE Prefixes per ASN: 8.85 RIPE Region origin ASes announcing only one prefix: 12116 RIPE Region transit ASes present in the Internet Routing Table: 3933 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 33 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10623 Number of RIPE addresses announced to Internet: 713464576 Equivalent to 42 /8s, 134 /16s and 155 /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: 114480 Total LACNIC prefixes after maximum aggregation: 27242 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115230 Unique aggregates announced from the LACNIC address blocks: 48480 LACNIC Region origin ASes present in the Internet Routing Table: 10922 LACNIC Prefixes per ASN: 10.55 LACNIC Region origin ASes announcing only one prefix: 2668 LACNIC Region transit ASes present in the Internet Routing Table: 2197 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: 8609 Number of LACNIC addresses announced to Internet: 176421888 Equivalent to 10 /8s, 131 /16s and 252 /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: 27496 Total AfriNIC prefixes after maximum aggregation: 5357 AfriNIC Deaggregation factor: 5.13 Prefixes being announced from the AfriNIC address blocks: 35936 Unique aggregates announced from the AfriNIC address blocks: 11852 AfriNIC Region origin ASes present in the Internet Routing Table: 1582 AfriNIC Prefixes per ASN: 22.72 AfriNIC Region origin ASes announcing only one prefix: 546 AfriNIC Region transit ASes present in the Internet Routing Table: 315 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: 916 Number of AfriNIC addresses announced to Internet: 108206336 Equivalent to 6 /8s, 115 /16s and 25 /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 9064 8913 41 CHINAMOBILE-CN China Mobile Communicati 7545 5842 786 676 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4642 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 3431 1880 57 VNPT-AS-VN VNPT Corp, VN 4766 2270 11119 588 KIXS-AS-KR Korea Telecom, KR 9498 2253 475 232 BBIL-AP BHARTI Airtel Ltd., IN 45090 2189 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2120 429 199 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 6140 10140 2621 AMAZON-02, US 11492 4589 304 756 CABLEONE, US 22773 3999 3054 376 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3951 264 30 VIASAT-SP-BACKBONE, US 16625 3662 1888 2561 AKAMAI-AS, US 6327 3351 1318 62 SHAW, CA 749 2888 50784 2144 DNIC-AS-00749, US 30036 2611 374 136 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2505 4962 428 CENTURYLINK-US-LEGACY-QWEST, US 20115 2248 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 6921 1692 17 TTNET, TR 12479 6822 1718 153 UNI2-AS, ES 20940 3868 3194 541 AKAMAI-ASN1, NL 8551 3775 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3274 188 25 ALJAWWALSTC-AS, SA 12389 2929 2286 903 ROSTELECOM-AS, RU 9009 2510 258 1307 M247, GB 34984 2218 357 602 TELLCOM-AS, TR 58224 1782 927 584 TCI, IR 47331 1764 278 1335 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 10689 3408 575 Uninet S.A. de C.V., MX 10620 3446 519 713 Telmex Colombia S.A., CO 11830 2462 369 62 Instituto Costarricense de Electricidad 13999 1643 283 465 Mega Cable, S.A. de C.V., MX 6503 1441 355 525 Axtel, S.A.B. de C.V., MX 28573 1381 2327 255 CLARO S.A., BR 3816 1245 658 146 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 26615 1135 2350 139 TIM SA, BR 6147 1092 369 21 Telefonica del Peru S.A.A., PE 11664 1001 191 447 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 1632 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 716 521 39 Vodafone-, EG 6713 612 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 10689 3408 575 Uninet S.A. de C.V., MX 9808 9064 8913 41 CHINAMOBILE-CN China Mobile Communicati 9121 6921 1692 17 TTNET, TR 12479 6822 1718 153 UNI2-AS, ES 16509 6140 10140 2621 AMAZON-02, US 7545 5842 786 676 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4642 4192 73 ERX-CERNET-BKB China Education and Rese 11492 4589 304 756 CABLEONE, US 22773 3999 3054 376 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3951 264 30 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 9064 9023 CHINAMOBILE-CN China Mobile Communications Grou 9121 6921 6904 TTNET, TR 12479 6822 6669 UNI2-AS, ES 7545 5842 5166 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4642 4569 ERX-CERNET-BKB China Education and Research Net 7155 3951 3921 VIASAT-SP-BACKBONE, US 11492 4589 3833 CABLEONE, US 8551 3775 3736 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 3999 3623 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 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 395056 UNALLOCATED 8.45.133.0/24 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 /14:1204 /15:2067 /16:13590 /17:8349 /18:13893 /19:25149 /20:43347 /21:52068 /22:108358 /23:95542 /24:523208 /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 6058 6921 TTNET, TR 12479 5773 6822 UNI2-AS, ES 8151 4531 10689 Uninet S.A. de C.V., MX 11492 3523 4589 CABLEONE, US 8551 3239 3775 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3163 3351 SHAW, CA 7155 3041 3951 VIASAT-SP-BACKBONE, US 22773 2980 3999 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2810 3274 ALJAWWALSTC-AS, SA 30036 2266 2611 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1895 2:996 3:153 4:7 5:3717 6:102 7:5 8:1522 9:1 11:172 12:1706 13:409 14:2362 15:151 16:39 17:375 18:129 20:167 21:4 22:188 23:5409 24:2362 25:4 27:2672 29:19 31:2406 32:100 34:1 35:51 36:1733 37:3947 38:2504 39:736 40:150 41:3882 42:1061 43:2121 44:292 45:16027 46:3845 47:305 49:1607 50:1901 51:107 52:1345 54:294 55:733 56:8 57:56 58:1814 59:1117 60:961 61:2277 62:2426 63:1943 64:5393 65:2320 66:4904 67:2946 68:1183 69:4168 70:1347 71:682 72:3072 74:2637 75:1516 76:714 77:2160 78:3816 79:2873 80:1917 81:1658 82:1455 83:1197 84:1327 85:3565 86:702 87:1896 88:2625 89:3143 90:503 91:7508 92:1906 93:2589 94:3240 95:4494 96:1308 97:344 98:992 99:863 100:76 101:1066 102:1924 103:28211 104:4115 105:461 106:847 107:2440 108:757 109:4189 110:2049 111:3207 112:1963 113:1490 114:1532 115:2140 116:1872 117:2505 118:2329 119:1877 120:1635 121:1060 122:2529 123:2153 124:1533 125:2087 128:1382 129:1193 130:919 131:2093 132:787 133:368 134:1935 135:290 136:855 137:1002 138:2473 139:1225 140:870 141:1342 142:1247 143:1449 144:1232 145:335 146:1762 147:1481 148:2246 149:1664 150:863 151:1083 152:1801 153:523 154:3683 155:1370 156:1848 157:1207 158:1007 159:2029 160:2389 161:1289 162:3417 163:1212 164:1675 165:1555 166:621 167:1716 168:3668 169:683 170:4297 171:822 172:3016 173:3045 174:1018 175:1144 176:3478 177:4572 178:3017 179:2010 180:2358 181:2874 182:3174 183:1937 184:2417 185:19218 186:4300 187:3558 188:3784 189:3226 190:8972 191:1310 192:11007 193:8521 194:6945 195:4963 196:2930 197:2365 198:5987 199:5997 200:7471 201:5734 202:10512 203:10236 204:4533 205:3392 206:3807 207:3381 208:3997 209:4611 210:4270 211:2457 212:3934 213:3388 214:1157 215:64 216:6414 217:2630 218:1223 219:554 220:2052 221:990 222:879 223:2145 End of report