IPv4 R&E Routing Table Report 21:10 GMT Sat 05 Feb, 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: 889607 Prefixes after maximum aggregation (per Origin AS): 333929 Deaggregation factor: 2.66 Unique aggregates announced (without unneeded subnets): 427229 Number of IPv4 prefixes with a valid ROA: 307488 Number of IPv4 prefixes with an invalid ROA: 2838 Number of IPv4 prefixes with no ROA: 579281 Total ASes present in the Internet Routing Table: 72759 Prefixes per ASN: 12.23 Origin-only ASes present in the Internet Routing Table: 62478 Origin ASes announcing only one prefix: 25715 Transit ASes present in the Internet Routing Table: 10281 Transit-only ASes present in the Internet Routing Table: 370 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: 903 Number of instances of unregistered ASNs: 907 Number of 32-bit ASNs allocated by the RIRs: 38510 Number of 32-bit ASNs visible in the Routing Table: 32053 Prefixes from 32-bit ASNs in the Routing Table: 149831 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: 521 Number of addresses announced to Internet: 3068756992 Equivalent to 182 /8s, 233 /16s and 132 /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: 300087 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 234600 Total APNIC prefixes after maximum aggregation: 65501 APNIC Deaggregation factor: 3.58 Prefixes being announced from the APNIC address blocks: 229447 Unique aggregates announced from the APNIC address blocks: 94002 APNIC Region origin ASes present in the Internet Routing Table: 12335 APNIC Prefixes per ASN: 18.60 APNIC Region origin ASes announcing only one prefix: 3516 APNIC Region transit ASes present in the Internet Routing Table: 1715 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: 7543 Number of APNIC addresses announced to Internet: 774324224 Equivalent to 46 /8s, 39 /16s and 64 /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: 258179 Total ARIN prefixes after maximum aggregation: 118703 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 258203 Unique aggregates announced from the ARIN address blocks: 123286 ARIN Region origin ASes present in the Internet Routing Table: 18956 ARIN Prefixes per ASN: 13.62 ARIN Region origin ASes announcing only one prefix: 6872 ARIN Region transit ASes present in the Internet Routing Table: 1929 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: 4322 Number of ARIN addresses announced to Internet: 1295941376 Equivalent to 77 /8s, 62 /16s and 127 /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: 253499 Total RIPE prefixes after maximum aggregation: 116383 RIPE Deaggregation factor: 2.18 Prefixes being announced from the RIPE address blocks: 249896 Unique aggregates announced from the RIPE address blocks: 148926 RIPE Region origin ASes present in the Internet Routing Table: 28183 RIPE Prefixes per ASN: 8.87 RIPE Region origin ASes announcing only one prefix: 12125 RIPE Region transit ASes present in the Internet Routing Table: 3944 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10639 Number of RIPE addresses announced to Internet: 713343488 Equivalent to 42 /8s, 132 /16s and 194 /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: 114691 Total LACNIC prefixes after maximum aggregation: 27307 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115409 Unique aggregates announced from the LACNIC address blocks: 48604 LACNIC Region origin ASes present in the Internet Routing Table: 10943 LACNIC Prefixes per ASN: 10.55 LACNIC Region origin ASes announcing only one prefix: 2654 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: 8627 Number of LACNIC addresses announced to Internet: 176637696 Equivalent to 10 /8s, 135 /16s and 71 /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: 27735 Total AfriNIC prefixes after maximum aggregation: 5367 AfriNIC Deaggregation factor: 5.17 Prefixes being announced from the AfriNIC address blocks: 36130 Unique aggregates announced from the AfriNIC address blocks: 11949 AfriNIC Region origin ASes present in the Internet Routing Table: 1588 AfriNIC Prefixes per ASN: 22.75 AfriNIC Region origin ASes announcing only one prefix: 548 AfriNIC Region transit ASes present in the Internet Routing Table: 319 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 35 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 922 Number of AfriNIC addresses announced to Internet: 108183552 Equivalent to 6 /8s, 114 /16s and 192 /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 9045 8881 37 CHINAMOBILE-CN China Mobile Communicati 7545 5861 787 687 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 3491 1038 51 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3434 1880 57 VNPT-AS-VN VNPT Corp, VN 9498 2314 475 234 BBIL-AP BHARTI Airtel Ltd., IN 4766 2285 11117 603 KIXS-AS-KR Korea Telecom, KR 45090 2185 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2117 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 6224 10151 2661 AMAZON-02, US 11492 4517 299 788 CABLEONE, US 22773 3969 3032 369 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3903 264 30 VIASAT-SP-BACKBONE, US 16625 3661 1887 2564 AKAMAI-AS, US 6327 3365 1318 62 SHAW, CA 749 2887 50780 2143 DNIC-AS-00749, US 30036 2611 374 136 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2522 4962 428 CENTURYLINK-US-LEGACY-QWEST, US 20115 2251 3035 509 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 6881 1692 17 TTNET, TR 12479 6811 1720 154 UNI2-AS, ES 8551 4006 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3877 3194 541 AKAMAI-ASN1, NL 39891 3274 188 25 ALJAWWALSTC-AS, SA 12389 2928 2274 905 ROSTELECOM-AS, RU 9009 2475 250 1286 M247, GB 34984 2220 357 603 TELLCOM-AS, TR 58224 1790 929 583 TCI, IR 47331 1754 278 1332 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 10614 3434 566 Uninet S.A. de C.V., MX 10620 3454 518 721 Telmex Colombia S.A., CO 11830 2460 369 62 Instituto Costarricense de Electricidad 13999 1663 284 469 Mega Cable, S.A. de C.V., MX 6503 1442 355 525 Axtel, S.A.B. de C.V., MX 28573 1390 2331 247 CLARO S.A., BR 3816 1248 659 145 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 26615 1137 2350 139 TIM SA, BR 6147 1095 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 1602 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 895 63 57 ORANGE-COTE-IVOIRE, CI 36935 735 521 39 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 518 50 33 WANANCHI-, KE 37342 460 32 1 MOVITEL, MZ 23889 422 232 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 10614 3434 566 Uninet S.A. de C.V., MX 9808 9045 8881 37 CHINAMOBILE-CN China Mobile Communicati 9121 6881 1692 17 TTNET, TR 12479 6811 1720 154 UNI2-AS, ES 16509 6224 10151 2661 AMAZON-02, US 7545 5861 787 687 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4644 4192 73 ERX-CERNET-BKB China Education and Rese 11492 4517 299 788 CABLEONE, US 8551 4006 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 22773 3969 3032 369 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 9045 9008 CHINAMOBILE-CN China Mobile Communications Grou 9121 6881 6864 TTNET, TR 12479 6811 6657 UNI2-AS, ES 7545 5861 5174 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4644 4571 ERX-CERNET-BKB China Education and Research Net 8551 4006 3967 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3903 3873 VIASAT-SP-BACKBONE, US 11492 4517 3729 CABLEONE, US 22773 3969 3600 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 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 17033 UNALLOCATED 8.48.225.0/24 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 /16:13591 /17:8365 /18:13910 /19:25185 /20:43515 /21:52225 /22:108307 /23:95724 /24:524449 /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 6015 6881 TTNET, TR 12479 5769 6811 UNI2-AS, ES 8151 4341 10614 Uninet S.A. de C.V., MX 8551 3470 4006 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3441 4517 CABLEONE, US 6327 3177 3365 SHAW, CA 7155 2993 3903 VIASAT-SP-BACKBONE, US 22773 2957 3969 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) ---------------------------------------------- 1:1904 2:1004 3:153 4:7 5:3734 6:103 7:5 8:1525 9:1 11:172 12:1711 13:416 14:2373 15:155 16:39 17:370 18:139 20:165 21:4 22:188 23:5456 24:2327 25:6 27:2671 29:19 31:2411 32:95 34:1 35:55 36:1736 37:3939 38:2516 39:675 40:149 41:3924 42:1062 43:2115 44:294 45:16038 46:3848 47:313 49:1620 50:1904 51:106 52:1355 53:1 54:293 55:747 56:8 57:56 58:1816 59:1135 60:959 61:2273 62:2440 63:1942 64:5493 65:2303 66:4887 67:2957 68:1183 69:4159 70:1345 71:678 72:3059 74:2634 75:1516 76:716 77:2116 78:3807 79:3098 80:1944 81:1662 82:1447 83:1198 84:1317 85:3606 86:711 87:1963 88:2611 89:3156 90:506 91:7539 92:1880 93:2596 94:3253 95:4483 96:1304 97:345 98:991 99:864 100:76 101:1061 102:1980 103:28306 104:4111 105:462 106:845 107:2456 108:769 109:4186 110:2056 111:3208 112:1964 113:1486 114:1543 115:2135 116:1889 117:2509 118:2339 119:1870 120:1636 121:1057 122:2524 123:2155 124:1556 125:2104 128:1377 129:1195 130:921 131:2097 132:783 133:370 134:1931 135:289 136:862 137:1005 138:2482 139:1233 140:882 141:1348 142:1254 143:1434 144:1228 145:344 146:1759 147:1470 148:2248 149:1669 150:860 151:1077 152:1819 153:525 154:3689 155:1331 156:1857 157:1215 158:1010 159:2060 160:2401 161:1299 162:3434 163:1216 164:1690 165:1583 166:620 167:1719 168:3693 169:693 170:4314 171:821 172:3011 173:3051 174:1019 175:1128 176:3515 177:4581 178:3024 179:2030 180:2356 181:2911 182:3191 183:1918 184:2389 185:19267 186:4329 187:3613 188:3823 189:3193 190:8943 191:1328 192:11037 193:8532 194:6958 195:4980 196:2934 197:2362 198:5993 199:6000 200:7543 201:5693 202:10517 203:10220 204:4550 205:3381 206:3822 207:3379 208:4003 209:4618 210:4279 211:2452 212:3939 213:3380 214:1142 215:64 216:6364 217:2644 218:1236 219:577 220:2045 221:989 222:862 223:2144 End of report