Global IPv4 Routing Table Report 08:00 +10GMT Sun 31 Oct, 2021 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/london/ Analysis Summary ---------------- BGP routing table entries examined: 866670 Prefixes after maximum aggregation (per Origin AS): 330996 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 419978 Total ASes present in the Internet Routing Table: 72047 Prefixes per ASN: 12.03 Origin-only ASes present in the Internet Routing Table: 61857 Origin ASes announcing only one prefix: 25487 Transit ASes present in the Internet Routing Table: 10190 Transit-only ASes present in the Internet Routing Table: 368 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 54 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 888 Number of instances of unregistered ASNs: 894 Number of 32-bit ASNs allocated by the RIRs: 37699 Number of 32-bit ASNs visible in the Routing Table: 31220 Prefixes from 32-bit ASNs in the Routing Table: 142999 Number of bogon 32-bit ASNs visible in the Routing Table: 36 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 444 Number of addresses announced to Internet: 3072155904 Equivalent to 183 /8s, 29 /16s and 97 /24s Percentage of available address space announced: 83.0 Percentage of allocated address space announced: 83.0 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: 296261 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 220631 Total APNIC prefixes after maximum aggregation: 64023 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 215958 Unique aggregates announced from the APNIC address blocks: 92576 APNIC Region origin ASes present in the Internet Routing Table: 11977 APNIC Prefixes per ASN: 18.03 APNIC Region origin ASes announcing only one prefix: 3401 APNIC Region transit ASes present in the Internet Routing Table: 1679 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7219 Number of APNIC addresses announced to Internet: 773317632 Equivalent to 46 /8s, 23 /16s and 228 /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: 254325 Total ARIN prefixes after maximum aggregation: 117547 ARIN Deaggregation factor: 2.16 Prefixes being announced from the ARIN address blocks: 254297 Unique aggregates announced from the ARIN address blocks: 122064 ARIN Region origin ASes present in the Internet Routing Table: 18888 ARIN Prefixes per ASN: 13.46 ARIN Region origin ASes announcing only one prefix: 6843 ARIN Region transit ASes present in the Internet Routing Table: 1928 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4174 Number of ARIN addresses announced to Internet: 1301709824 Equivalent to 77 /8s, 150 /16s and 132 /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: 250621 Total RIPE prefixes after maximum aggregation: 116531 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 246747 Unique aggregates announced from the RIPE address blocks: 146251 RIPE Region origin ASes present in the Internet Routing Table: 28088 RIPE Prefixes per ASN: 8.78 RIPE Region origin ASes announcing only one prefix: 12091 RIPE Region transit ASes present in the Internet Routing Table: 3966 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 37 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10483 Number of RIPE addresses announced to Internet: 712257024 Equivalent to 42 /8s, 116 /16s and 46 /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: 113151 Total LACNIC prefixes after maximum aggregation: 26981 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 114042 Unique aggregates announced from the LACNIC address blocks: 47446 LACNIC Region origin ASes present in the Internet Routing Table: 10783 LACNIC Prefixes per ASN: 10.58 LACNIC Region origin ASes announcing only one prefix: 2608 LACNIC Region transit ASes present in the Internet Routing Table: 2121 Average LACNIC Region AS path length visible: 5.6 Max LACNIC Region AS path length visible: 54 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8454 Number of LACNIC addresses announced to Internet: 176401664 Equivalent to 10 /8s, 131 /16s and 173 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-272796 + 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: 27054 Total AfriNIC prefixes after maximum aggregation: 5242 AfriNIC Deaggregation factor: 5.16 Prefixes being announced from the AfriNIC address blocks: 35182 Unique aggregates announced from the AfriNIC address blocks: 11255 AfriNIC Region origin ASes present in the Internet Routing Table: 1564 AfriNIC Prefixes per ASN: 22.49 AfriNIC Region origin ASes announcing only one prefix: 544 AfriNIC Region transit ASes present in the Internet Routing Table: 304 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 40 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 890 Number of AfriNIC addresses announced to Internet: 108184832 Equivalent to 6 /8s, 114 /16s and 197 /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 6020 8999 54 CMNET-GD Guangdong Mobile Communication 7545 5841 787 683 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3600 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3498 1023 57 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3050 1896 54 VNPT-AS-VN VNPT Corp, VN 4766 2253 11374 573 KIXS-AS-KR Korea Telecom, KR 9498 2169 472 237 BBIL-AP BHARTI Airtel Ltd., IN 4755 2123 429 203 TATACOMM-AS TATA Communications formerl 45090 2120 1197 71 CNNIC-TENCENT-NET-AP Shenzhen Tencent C 24560 1981 834 378 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 5834 9990 2544 AMAZON-02, US 11492 4643 307 802 CABLEONE, US 22773 4066 3074 376 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3954 264 30 VIASAT-SP-BACKBONE, US 16625 3650 1886 2544 AKAMAI-AS, US 6327 3372 1318 68 SHAW, CA 749 2876 50735 2132 DNIC-AS-00749, US 30036 2594 375 164 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2524 5028 444 CENTURYLINK-US-LEGACY-QWEST, US 7018 2246 24164 1433 ATT-INTERNET4, US Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 47331 8226 1096 3301 TTNET, TR 12479 6876 1726 143 UNI2-AS, ES 20940 3911 3360 197 AKAMAI-ASN1, NL 8551 3291 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3271 187 23 ALJAWWALSTC-AS, SA 12389 2903 2283 897 ROSTELECOM-AS, RU 9009 2507 259 1323 M247, GB 34984 2238 358 602 TELLCOM-AS, TR 58224 1696 903 577 TCI, IR 61317 1682 223 940 ASDETUK www.heficed.com, GB Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 10587 3461 578 Uninet S.A. de C.V., MX 10620 3251 492 815 Telmex Colombia S.A., CO 11830 2469 369 62 Instituto Costarricense de Electricidad 13999 1638 288 453 Mega Cable, S.A. de C.V., MX 6503 1531 359 473 Axtel, S.A.B. de C.V., MX 28573 1431 2310 256 CLARO S.A., BR 3816 1240 651 153 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 26615 1132 2351 137 TIM SA, BR 6147 1101 370 22 Telefonica del Peru S.A.A., PE 11664 958 187 441 Techtel LMDS Comunicaciones Interactiva Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1636 393 21 LINKdotNET-AS, EG 24835 1552 503 33 RAYA-AS, EG 36992 1272 1414 268 ETISALAT-MISR, EG 36903 1183 537 110 MT-MPLS, MA 29571 812 68 11 ORANGE-COTE-IVOIRE, CI 36935 670 523 44 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 515 50 31 WANANCHI-, KE 37342 470 32 1 MOVITEL, MZ 23889 425 232 16 MauritiusTelecom, MU Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 10587 3461 578 Uninet S.A. de C.V., MX 47331 8226 1096 3301 TTNET, TR 12479 6876 1726 143 UNI2-AS, ES 9808 6020 8999 54 CMNET-GD Guangdong Mobile Communication 7545 5841 787 683 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 5834 9990 2544 AMAZON-02, US 11492 4643 307 802 CABLEONE, US 22773 4066 3074 376 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3954 264 30 VIASAT-SP-BACKBONE, US 20940 3911 3360 197 AKAMAI-ASN1, NL Complete listing at http://thyme.rand.apnic.net/london/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 12479 6876 6733 UNI2-AS, ES 9808 6020 5966 CMNET-GD Guangdong Mobile Communication Co.Ltd. 7545 5841 5158 TPG-INTERNET-AP TPG Telecom Limited, AU 47331 8226 4925 TTNET, TR 7155 3954 3924 VIASAT-SP-BACKBONE, US 11492 4643 3841 CABLEONE, US 20940 3911 3714 AKAMAI-ASN1, NL 22773 4066 3690 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3600 3581 VIETEL-AS-AP Viettel Group, VN 7713 3498 3441 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 398418 UNALLOCATED 8.2.200.0/24 2914 NTT-COMMUNICATIONS-2914, US 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 8.33.224.0/24 174 COGENT-174, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 23061 UNALLOCATED 8.39.119.0/24 3356 LEVEL3, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US Complete listing at http://thyme.rand.apnic.net/london/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.132.208.0/24 Origin: 7850 CITYLINKFIBER, US 23.132.208.0/24 Transit: 15164 UPNLLC, US 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 23.252.162.0/24 Origin: 398968 GROUP-IID-01, US 23.252.162.0/24 Transit: 174 COGENT-174, US Complete listing at http://thyme.rand.apnic.net/london/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:13 /10:40 /11:99 /12:305 /13:595 /14:1209 /15:2081 /16:13561 /17:8206 /18:13771 /19:24950 /20:41429 /21:50643 /22:106608 /23:93616 /24:509520 /25:0 /26:1 /27:0 /28:0 /29:1 /30:4 /31:0 /32:2 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 47331 7394 8226 TTNET, TR 12479 5840 6876 UNI2-AS, ES 8151 4387 10587 Uninet S.A. de C.V., MX 11492 3597 4643 CABLEONE, US 6327 3181 3372 SHAW, CA 7155 3044 3954 VIASAT-SP-BACKBONE, US 22773 3007 4066 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2807 3271 ALJAWWALSTC-AS, SA 8551 2755 3291 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2247 2594 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1905 2:1055 3:145 4:19 5:3662 6:100 7:5 8:1511 11:172 12:1714 13:406 14:2248 15:119 16:25 17:371 18:123 20:130 21:4 22:188 23:5241 24:2407 25:2 27:2548 29:19 31:2386 32:103 34:1 35:47 36:1636 37:3911 38:2337 39:580 40:150 41:3837 42:1037 43:2053 44:290 45:15583 46:3714 47:321 49:1657 50:1851 51:100 52:1318 54:281 55:740 56:4 57:57 58:1631 59:1050 60:935 61:2234 62:2345 63:1954 64:5412 65:2359 66:4935 67:2869 68:1167 69:4090 70:1354 71:678 72:3140 74:2626 75:1497 76:699 77:2062 78:3877 79:2591 80:1866 81:1649 82:1372 83:1169 84:1296 85:3610 86:712 87:1872 88:2693 89:3097 90:499 91:7444 92:1836 93:2572 94:3157 95:4527 96:1294 97:348 98:976 99:933 100:75 101:1285 102:1774 103:27317 104:4059 105:437 106:824 107:2388 108:737 109:3920 110:1926 111:2824 112:1927 113:1295 114:1495 115:1961 116:1854 117:2237 118:2250 119:1867 120:1131 121:994 122:2507 123:2106 124:1539 125:1885 128:1338 129:1098 130:898 131:2056 132:765 133:364 134:1887 135:318 136:793 137:858 138:2418 139:1203 140:824 141:1291 142:1207 143:1375 144:1271 145:326 146:1559 147:1455 148:2243 149:1473 150:832 151:1092 152:1661 153:434 154:3229 155:1353 156:1799 157:1181 158:984 159:2046 160:2315 161:1254 162:3354 163:1107 164:1666 165:1491 166:593 167:1685 168:3614 169:679 170:4337 171:804 172:2777 173:2998 174:1006 175:1142 176:3362 177:4530 178:3023 179:1957 180:2305 181:2621 182:3094 183:1604 184:2418 185:18993 186:4256 187:3490 188:3576 189:3077 190:8723 191:1316 192:10953 193:8406 194:6859 195:4886 196:2883 197:2220 198:6039 199:5957 200:7369 201:5625 202:10143 203:10014 204:4465 205:3380 206:3735 207:3326 208:4004 209:4715 210:3990 211:2321 212:3786 213:3392 214:1155 215:64 216:6389 217:2622 218:1107 219:449 220:1918 221:920 222:671 223:1805 End of report