IPv4 R&E Routing Table Report 21:10 GMT Fri 21 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: 887360 Prefixes after maximum aggregation (per Origin AS): 333267 Deaggregation factor: 2.66 Unique aggregates announced (without unneeded subnets): 425776 Number of IPv4 prefixes with a valid ROA: 305236 Number of IPv4 prefixes with an invalid ROA: 2669 Number of IPv4 prefixes with no ROA: 579455 Total ASes present in the Internet Routing Table: 72658 Prefixes per ASN: 12.21 Origin-only ASes present in the Internet Routing Table: 62365 Origin ASes announcing only one prefix: 25670 Transit ASes present in the Internet Routing Table: 10293 Transit-only ASes present in the Internet Routing Table: 377 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: 942 Number of instances of unregistered ASNs: 946 Number of 32-bit ASNs allocated by the RIRs: 38350 Number of 32-bit ASNs visible in the Routing Table: 31920 Prefixes from 32-bit ASNs in the Routing Table: 148760 Number of bogon 32-bit ASNs visible in the Routing Table: 41 Special use prefixes present in the Routing Table: 4 Prefixes being announced from unallocated address space: 566 Number of addresses announced to Internet: 3068205568 Equivalent to 182 /8s, 225 /16s and 26 /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: 299412 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 234016 Total APNIC prefixes after maximum aggregation: 65234 APNIC Deaggregation factor: 3.59 Prefixes being announced from the APNIC address blocks: 228857 Unique aggregates announced from the APNIC address blocks: 93674 APNIC Region origin ASes present in the Internet Routing Table: 12264 APNIC Prefixes per ASN: 18.66 APNIC Region origin ASes announcing only one prefix: 3486 APNIC Region transit ASes present in the Internet Routing Table: 1725 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: 7470 Number of APNIC addresses announced to Internet: 773251328 Equivalent to 46 /8s, 22 /16s and 225 /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: 257772 Total ARIN prefixes after maximum aggregation: 118605 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 257738 Unique aggregates announced from the ARIN address blocks: 122884 ARIN Region origin ASes present in the Internet Routing Table: 18938 ARIN Prefixes per ASN: 13.61 ARIN Region origin ASes announcing only one prefix: 6851 ARIN Region transit ASes present in the Internet Routing Table: 1926 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: 4302 Number of ARIN addresses announced to Internet: 1296494080 Equivalent to 77 /8s, 70 /16s and 238 /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: 252748 Total RIPE prefixes after maximum aggregation: 116115 RIPE Deaggregation factor: 2.18 Prefixes being announced from the RIPE address blocks: 249117 Unique aggregates announced from the RIPE address blocks: 148443 RIPE Region origin ASes present in the Internet Routing Table: 28176 RIPE Prefixes per ASN: 8.84 RIPE Region origin ASes announcing only one prefix: 12121 RIPE Region transit ASes present in the Internet Routing Table: 3935 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: 10621 Number of RIPE addresses announced to Internet: 713506560 Equivalent to 42 /8s, 135 /16s and 63 /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: 114397 Total LACNIC prefixes after maximum aggregation: 27281 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 115157 Unique aggregates announced from the LACNIC address blocks: 48435 LACNIC Region origin ASes present in the Internet Routing Table: 10925 LACNIC Prefixes per ASN: 10.54 LACNIC Region origin ASes announcing only one prefix: 2666 LACNIC Region transit ASes present in the Internet Routing Table: 2210 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: 8612 Number of LACNIC addresses announced to Internet: 176391680 Equivalent to 10 /8s, 131 /16s and 134 /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: 27485 Total AfriNIC prefixes after maximum aggregation: 5339 AfriNIC Deaggregation factor: 5.15 Prefixes being announced from the AfriNIC address blocks: 35924 Unique aggregates announced from the AfriNIC address blocks: 11835 AfriNIC Region origin ASes present in the Internet Routing Table: 1580 AfriNIC Prefixes per ASN: 22.74 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: 915 Number of AfriNIC addresses announced to Internet: 108210432 Equivalent to 6 /8s, 115 /16s and 41 /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 8986 8913 41 CHINAMOBILE-CN China Mobile Communicati 7545 5843 786 676 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4653 4192 73 ERX-CERNET-BKB China Education and Rese 7552 3610 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3489 1038 51 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3435 1880 57 VNPT-AS-VN VNPT Corp, VN 4766 2268 11119 587 KIXS-AS-KR Korea Telecom, KR 9498 2250 475 232 BBIL-AP BHARTI Airtel Ltd., IN 45090 2185 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2121 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 6123 10137 2614 AMAZON-02, US 11492 4600 305 763 CABLEONE, US 22773 3996 3054 376 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3951 264 30 VIASAT-SP-BACKBONE, US 16625 3669 1893 2565 AKAMAI-AS, US 6327 3351 1318 62 SHAW, CA 749 2888 50784 2144 DNIC-AS-00749, US 30036 2612 374 129 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2505 4978 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 6932 1692 17 TTNET, TR 12479 6819 1718 153 UNI2-AS, ES 20940 3878 3194 541 AKAMAI-ASN1, NL 8551 3776 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3274 188 25 ALJAWWALSTC-AS, SA 12389 2929 2286 903 ROSTELECOM-AS, RU 9009 2503 257 1306 M247, GB 34984 2216 357 602 TELLCOM-AS, TR 58224 1781 926 588 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 10675 3408 575 Uninet S.A. de C.V., MX 10620 3446 519 713 Telmex Colombia S.A., CO 11830 2451 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 1147 2350 139 TIM SA, BR 6147 1092 369 21 Telefonica del Peru S.A.A., PE 11664 1000 191 446 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 875 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 10675 3408 575 Uninet S.A. de C.V., MX 9808 8986 8913 41 CHINAMOBILE-CN China Mobile Communicati 9121 6932 1692 17 TTNET, TR 12479 6819 1718 153 UNI2-AS, ES 16509 6123 10137 2614 AMAZON-02, US 7545 5843 786 676 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4653 4192 73 ERX-CERNET-BKB China Education and Rese 11492 4600 305 763 CABLEONE, US 22773 3996 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 8986 8945 CHINAMOBILE-CN China Mobile Communications Grou 9121 6932 6915 TTNET, TR 12479 6819 6666 UNI2-AS, ES 7545 5843 5167 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4653 4580 ERX-CERNET-BKB China Education and Research Net 7155 3951 3921 VIASAT-SP-BACKBONE, US 11492 4600 3837 CABLEONE, US 8551 3776 3737 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 3996 3620 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3610 3591 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 23.154.18.0/24 Origin: 394625 WHITELABELIT, US 23.154.18.0/24 Transit: 6939 HURRICANE, 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 23.252.162.0/24 Origin: 398968 GROUP-IID-01, US 23.252.162.0/24 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 /16:13585 /17:8347 /18:13874 /19:25144 /20:43359 /21:52064 /22:108377 /23:95531 /24:522742 /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 6067 6932 TTNET, TR 12479 5769 6819 UNI2-AS, ES 8151 4517 10675 Uninet S.A. de C.V., MX 11492 3534 4600 CABLEONE, US 8551 3240 3776 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3163 3351 SHAW, CA 7155 3041 3951 VIASAT-SP-BACKBONE, US 22773 2977 3996 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) ---------------------------------------------- 1:1890 2:992 3:153 4:7 5:3716 6:102 7:5 8:1523 9:1 11:172 12:1707 13:410 14:2361 15:147 16:39 17:375 18:128 20:167 21:4 22:188 23:5404 24:2370 25:4 27:2672 29:19 31:2396 32:99 34:1 35:50 36:1733 37:3941 38:2504 39:736 40:150 41:3894 42:1045 43:2118 44:296 45:15990 46:3846 47:305 49:1614 50:1903 51:105 52:1344 54:294 55:724 56:8 57:56 58:1811 59:1118 60:955 61:2273 62:2427 63:1939 64:5396 65:2317 66:4907 67:2941 68:1183 69:4171 70:1347 71:682 72:3074 74:2636 75:1516 76:714 77:2159 78:3812 79:2873 80:1918 81:1658 82:1444 83:1202 84:1326 85:3569 86:705 87:1892 88:2621 89:3143 90:502 91:7507 92:1904 93:2585 94:3256 95:4497 96:1307 97:345 98:993 99:863 100:76 101:1065 102:1926 103:28168 104:4117 105:461 106:844 107:2430 108:754 109:4190 110:2050 111:3162 112:1960 113:1490 114:1532 115:2139 116:1875 117:2511 118:2331 119:1890 120:1636 121:1059 122:2524 123:2153 124:1535 125:2085 128:1383 129:1174 130:919 131:2087 132:788 133:368 134:1934 135:287 136:853 137:1003 138:2480 139:1222 140:871 141:1343 142:1249 143:1437 144:1234 145:336 146:1762 147:1480 148:2242 149:1666 150:862 151:1083 152:1804 153:523 154:3669 155:1371 156:1844 157:1210 158:1007 159:2025 160:2389 161:1271 162:3417 163:1212 164:1668 165:1549 166:620 167:1716 168:3671 169:683 170:4303 171:822 172:3000 173:3044 174:1017 175:1144 176:3460 177:4562 178:3018 179:2001 180:2358 181:2870 182:3182 183:1936 184:2417 185:19216 186:4327 187:3551 188:3783 189:3229 190:8926 191:1307 192:11001 193:8508 194:6937 195:4967 196:2926 197:2355 198:5979 199:5990 200:7461 201:5726 202:10487 203:10230 204:4534 205:3372 206:3810 207:3380 208:3998 209:4602 210:4270 211:2456 212:3932 213:3380 214:1159 215:64 216:6403 217:2627 218:1225 219:554 220:2053 221:990 222:880 223:2142 End of report