IPv4 R&E Routing Table Report 21:10 GMT Wed 02 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: 889001 Prefixes after maximum aggregation (per Origin AS): 333699 Deaggregation factor: 2.66 Unique aggregates announced (without unneeded subnets): 426878 Number of IPv4 prefixes with a valid ROA: 306937 Number of IPv4 prefixes with an invalid ROA: 2927 Number of IPv4 prefixes with no ROA: 579137 Total ASes present in the Internet Routing Table: 72713 Prefixes per ASN: 12.23 Origin-only ASes present in the Internet Routing Table: 62424 Origin ASes announcing only one prefix: 25686 Transit ASes present in the Internet Routing Table: 10289 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: 919 Number of instances of unregistered ASNs: 923 Number of 32-bit ASNs allocated by the RIRs: 38457 Number of 32-bit ASNs visible in the Routing Table: 32026 Prefixes from 32-bit ASNs in the Routing Table: 149547 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: 546 Number of addresses announced to Internet: 3068299008 Equivalent to 182 /8s, 226 /16s and 135 /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: 299959 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 234604 Total APNIC prefixes after maximum aggregation: 65472 APNIC Deaggregation factor: 3.58 Prefixes being announced from the APNIC address blocks: 229452 Unique aggregates announced from the APNIC address blocks: 93979 APNIC Region origin ASes present in the Internet Routing Table: 12328 APNIC Prefixes per ASN: 18.61 APNIC Region origin ASes announcing only one prefix: 3511 APNIC Region transit ASes present in the Internet Routing Table: 1729 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: 7535 Number of APNIC addresses announced to Internet: 774252288 Equivalent to 46 /8s, 38 /16s and 39 /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: 258020 Total ARIN prefixes after maximum aggregation: 118708 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 257956 Unique aggregates announced from the ARIN address blocks: 123184 ARIN Region origin ASes present in the Internet Routing Table: 18932 ARIN Prefixes per ASN: 13.63 ARIN Region origin ASes announcing only one prefix: 6841 ARIN Region transit ASes present in the Internet Routing Table: 1931 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: 4318 Number of ARIN addresses announced to Internet: 1295932416 Equivalent to 77 /8s, 62 /16s and 92 /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: 253335 Total RIPE prefixes after maximum aggregation: 116220 RIPE Deaggregation factor: 2.18 Prefixes being announced from the RIPE address blocks: 249815 Unique aggregates announced from the RIPE address blocks: 148821 RIPE Region origin ASes present in the Internet Routing Table: 28177 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: 3941 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: 10636 Number of RIPE addresses announced to Internet: 713020416 Equivalent to 42 /8s, 127 /16s and 212 /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: 114478 Total LACNIC prefixes after maximum aggregation: 27268 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115191 Unique aggregates announced from the LACNIC address blocks: 48505 LACNIC Region origin ASes present in the Internet Routing Table: 10929 LACNIC Prefixes per ASN: 10.54 LACNIC Region origin ASes announcing only one prefix: 2663 LACNIC Region transit ASes present in the Internet Routing Table: 2187 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: 8619 Number of LACNIC addresses announced to Internet: 176580864 Equivalent to 10 /8s, 134 /16s and 105 /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: 27645 Total AfriNIC prefixes after maximum aggregation: 5356 AfriNIC Deaggregation factor: 5.16 Prefixes being announced from the AfriNIC address blocks: 36040 Unique aggregates announced from the AfriNIC address blocks: 11917 AfriNIC Region origin ASes present in the Internet Routing Table: 1583 AfriNIC Prefixes per ASN: 22.77 AfriNIC Region origin ASes announcing only one prefix: 546 AfriNIC Region transit ASes present in the Internet Routing Table: 318 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: 108179968 Equivalent to 6 /8s, 114 /16s and 178 /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 5854 787 686 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4640 4192 72 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 3435 1880 57 VNPT-AS-VN VNPT Corp, VN 9498 2316 476 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2275 11119 593 KIXS-AS-KR Korea Telecom, KR 45090 2185 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2118 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 6169 10143 2633 AMAZON-02, US 11492 4518 299 786 CABLEONE, US 22773 3986 3032 371 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3903 264 30 VIASAT-SP-BACKBONE, US 16625 3661 1887 2564 AKAMAI-AS, US 6327 3363 1318 62 SHAW, CA 749 2887 50780 2143 DNIC-AS-00749, US 30036 2604 374 165 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2522 4962 428 CENTURYLINK-US-LEGACY-QWEST, US 20115 2250 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 6882 1692 17 TTNET, TR 12479 6805 1720 154 UNI2-AS, ES 8551 3990 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3875 3194 541 AKAMAI-ASN1, NL 39891 3274 188 25 ALJAWWALSTC-AS, SA 12389 2928 2274 905 ROSTELECOM-AS, RU 9009 2479 250 1290 M247, GB 34984 2219 357 602 TELLCOM-AS, TR 58224 1789 928 582 TCI, IR 47331 1759 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 10429 3428 574 Uninet S.A. de C.V., MX 10620 3455 519 717 Telmex Colombia S.A., CO 11830 2461 369 62 Instituto Costarricense de Electricidad 13999 1653 283 467 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 1612 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 519 50 33 WANANCHI-, KE 37342 468 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 10429 3428 574 Uninet S.A. de C.V., MX 9808 9045 8881 37 CHINAMOBILE-CN China Mobile Communicati 9121 6882 1692 17 TTNET, TR 12479 6805 1720 154 UNI2-AS, ES 16509 6169 10143 2633 AMAZON-02, US 7545 5854 787 686 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4640 4192 72 ERX-CERNET-BKB China Education and Rese 11492 4518 299 786 CABLEONE, US 8551 3990 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 22773 3986 3032 371 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 6882 6865 TTNET, TR 12479 6805 6651 UNI2-AS, ES 7545 5854 5168 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4640 4568 ERX-CERNET-BKB China Education and Research Net 8551 3990 3951 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3903 3873 VIASAT-SP-BACKBONE, US 11492 4518 3732 CABLEONE, US 22773 3986 3615 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 /12:301 /13:591 /14:1203 /15:2066 /16:13593 /17:8363 /18:13897 /19:25175 /20:43504 /21:52100 /22:108253 /23:95752 /24:524033 /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 6019 6882 TTNET, TR 12479 5763 6805 UNI2-AS, ES 8151 4323 10429 Uninet S.A. de C.V., MX 8551 3454 3990 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3443 4518 CABLEONE, US 6327 3175 3363 SHAW, CA 7155 2993 3903 VIASAT-SP-BACKBONE, US 22773 2974 3986 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2810 3274 ALJAWWALSTC-AS, SA 30036 2260 2604 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 2:1001 3:153 4:7 5:3743 6:103 7:5 8:1524 9:1 11:172 12:1712 13:410 14:2371 15:156 16:39 17:373 18:137 20:165 21:4 22:188 23:5432 24:2324 25:6 27:2667 29:19 31:2407 32:95 34:1 35:53 36:1737 37:3943 38:2513 39:715 40:150 41:3867 42:1064 43:2121 44:293 45:16028 46:3853 47:313 49:1620 50:1902 51:107 52:1343 53:1 54:291 55:739 56:8 57:56 58:1818 59:1134 60:959 61:2274 62:2434 63:1944 64:5486 65:2307 66:4903 67:2955 68:1183 69:4156 70:1345 71:678 72:3055 74:2634 75:1516 76:715 77:2129 78:3807 79:3081 80:1930 81:1656 82:1444 83:1197 84:1318 85:3613 86:706 87:1963 88:2616 89:3151 90:503 91:7526 92:1902 93:2601 94:3249 95:4485 96:1304 97:345 98:990 99:863 100:76 101:1065 102:1964 103:28293 104:4108 105:462 106:845 107:2459 108:760 109:4184 110:2055 111:3211 112:1964 113:1486 114:1541 115:2135 116:1891 117:2509 118:2335 119:1870 120:1636 121:1054 122:2526 123:2154 124:1555 125:2105 128:1373 129:1197 130:921 131:2093 132:782 133:367 134:1932 135:290 136:859 137:999 138:2481 139:1228 140:883 141:1341 142:1251 143:1441 144:1228 145:344 146:1756 147:1470 148:2243 149:1668 150:859 151:1079 152:1823 153:524 154:3685 155:1331 156:1866 157:1216 158:1005 159:2031 160:2407 161:1295 162:3434 163:1216 164:1664 165:1546 166:621 167:1712 168:3682 169:692 170:4287 171:820 172:3015 173:3040 174:1019 175:1143 176:3509 177:4596 178:3026 179:2064 180:2358 181:2886 182:3190 183:1919 184:2400 185:19278 186:4314 187:3587 188:3816 189:3191 190:8922 191:1340 192:11031 193:8532 194:6955 195:4973 196:2920 197:2372 198:5998 199:5995 200:7489 201:5719 202:10509 203:10210 204:4532 205:3393 206:3808 207:3371 208:3999 209:4621 210:4279 211:2453 212:3930 213:3381 214:1154 215:64 216:6366 217:2624 218:1233 219:579 220:2044 221:989 222:862 223:2144 End of report