Global IPv4 Routing Table Report 08:00 +10GMT Fri 17 Sep, 2021 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/london/ Analysis Summary ---------------- BGP routing table entries examined: 857201 Prefixes after maximum aggregation (per Origin AS): 326400 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 414537 Total ASes present in the Internet Routing Table: 71822 Prefixes per ASN: 11.94 Origin-only ASes present in the Internet Routing Table: 61671 Origin ASes announcing only one prefix: 25469 Transit ASes present in the Internet Routing Table: 10151 Transit-only ASes present in the Internet Routing Table: 351 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 40 Max AS path prepend of ASN ( 37385) 36 Prefixes from unregistered ASNs in the Routing Table: 917 Number of instances of unregistered ASNs: 925 Number of 32-bit ASNs allocated by the RIRs: 37230 Number of 32-bit ASNs visible in the Routing Table: 30889 Prefixes from 32-bit ASNs in the Routing Table: 140467 Number of bogon 32-bit ASNs visible in the Routing Table: 40 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 463 Number of addresses announced to Internet: 3055139072 Equivalent to 182 /8s, 25 /16s and 185 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 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: 292892 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 218730 Total APNIC prefixes after maximum aggregation: 63481 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 214191 Unique aggregates announced from the APNIC address blocks: 91295 APNIC Region origin ASes present in the Internet Routing Table: 11854 APNIC Prefixes per ASN: 18.07 APNIC Region origin ASes announcing only one prefix: 3357 APNIC Region transit ASes present in the Internet Routing Table: 1665 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7078 Number of APNIC addresses announced to Internet: 774160384 Equivalent to 46 /8s, 36 /16s and 192 /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, 131072-147769 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: 251008 Total ARIN prefixes after maximum aggregation: 114807 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 251060 Unique aggregates announced from the ARIN address blocks: 119874 ARIN Region origin ASes present in the Internet Routing Table: 18868 ARIN Prefixes per ASN: 13.31 ARIN Region origin ASes announcing only one prefix: 6886 ARIN Region transit ASes present in the Internet Routing Table: 1939 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4101 Number of ARIN addresses announced to Internet: 1284658432 Equivalent to 76 /8s, 146 /16s and 85 /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: 248548 Total RIPE prefixes after maximum aggregation: 115584 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 244634 Unique aggregates announced from the RIPE address blocks: 144819 RIPE Region origin ASes present in the Internet Routing Table: 28028 RIPE Prefixes per ASN: 8.73 RIPE Region origin ASes announcing only one prefix: 12049 RIPE Region transit ASes present in the Internet Routing Table: 3962 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10394 Number of RIPE addresses announced to Internet: 711513600 Equivalent to 42 /8s, 104 /16s and 214 /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: 111326 Total LACNIC prefixes after maximum aggregation: 26624 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 112276 Unique aggregates announced from the LACNIC address blocks: 47145 LACNIC Region origin ASes present in the Internet Routing Table: 10783 LACNIC Prefixes per ASN: 10.41 LACNIC Region origin ASes announcing only one prefix: 2634 LACNIC Region transit ASes present in the Internet Routing Table: 2109 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8443 Number of LACNIC addresses announced to Internet: 176310016 Equivalent to 10 /8s, 130 /16s and 71 /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: 26672 Total AfriNIC prefixes after maximum aggregation: 5198 AfriNIC Deaggregation factor: 5.13 Prefixes being announced from the AfriNIC address blocks: 34577 Unique aggregates announced from the AfriNIC address blocks: 10994 AfriNIC Region origin ASes present in the Internet Routing Table: 1543 AfriNIC Prefixes per ASN: 22.41 AfriNIC Region origin ASes announcing only one prefix: 543 AfriNIC Region transit ASes present in the Internet Routing Table: 301 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: 873 Number of AfriNIC addresses announced to Internet: 108162816 Equivalent to 6 /8s, 114 /16s and 111 /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 7545 5817 785 677 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5124 8999 54 CMNET-GD Guangdong Mobile Communication 7552 3657 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3504 1023 56 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 2888 1897 56 VNPT-AS-VN VNPT Corp, VN 9498 2362 501 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2252 11374 578 KIXS-AS-KR Korea Telecom, KR 45090 2121 1197 71 CNNIC-TENCENT-NET-AP Shenzhen Tencent C 4755 2114 437 192 TATACOMM-AS TATA Communications formerl 24560 1953 835 369 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 5563 9713 2459 AMAZON-02, US 11492 4648 308 763 CABLEONE, US 22773 4030 3036 309 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3961 264 32 VIASAT-SP-BACKBONE, US 16625 3591 1854 2499 AKAMAI-AS, US 6327 3368 1318 66 SHAW, CA 30036 2592 375 164 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2510 5029 449 CENTURYLINK-US-LEGACY-QWEST, US 20115 2241 3032 504 CHARTER-20115, US 5972 2166 489 787 DNIC-ASBLK-05800-06055, 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 1094 3305 TTNET, TR 12479 6904 1726 143 UNI2-AS, ES 20940 3804 3361 201 AKAMAI-ASN1, NL 8551 3293 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3269 187 23 ALJAWWALSTC-AS, SA 12389 2879 2279 894 ROSTELECOM-AS, RU 9009 2516 263 1345 M247, GB 34984 2224 357 598 TELLCOM-AS, TR 61317 1767 267 969 ASDETUK www.heficed.com, GB 58224 1639 891 570 TCI, IR 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 8552 3454 577 Uninet S.A. de C.V., MX 10620 3420 523 671 Telmex Colombia S.A., CO 11830 2497 369 62 Instituto Costarricense de Electricidad 13999 1754 389 466 Mega Cable, S.A. de C.V., MX 6503 1515 359 478 Axtel, S.A.B. de C.V., MX 28573 1447 2301 231 CLARO S.A., BR 3816 1240 652 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 26615 1131 2351 134 TIM SA, BR 6147 1086 369 22 Telefonica del Peru S.A.A., PE 11172 957 111 70 Alestra, S. de R.L. de C.V., MX 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 1633 393 19 LINKdotNET-AS, EG 24835 1463 499 33 RAYA-AS, EG 36992 1289 1417 272 ETISALAT-MISR, EG 36903 1183 537 110 MT-MPLS, MA 29571 780 68 11 ORANGE-COTE-IVOIRE, CI 6713 613 1863 34 IAM-AS, MA 36935 578 522 40 Vodafone-, EG 15399 501 49 28 WANANCHI-, KE 37342 469 32 1 MOVITEL, MZ 23889 434 232 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 8552 3454 577 Uninet S.A. de C.V., MX 47331 8226 1094 3305 TTNET, TR 12479 6904 1726 143 UNI2-AS, ES 7545 5817 785 677 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 5563 9713 2459 AMAZON-02, US 9808 5124 8999 54 CMNET-GD Guangdong Mobile Communication 11492 4648 308 763 CABLEONE, US 22773 4030 3036 309 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3961 264 32 VIASAT-SP-BACKBONE, US 20940 3804 3361 201 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 6904 6761 UNI2-AS, ES 7545 5817 5140 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5124 5070 CMNET-GD Guangdong Mobile Communication Co.Ltd. 47331 8226 4921 TTNET, TR 7155 3961 3929 VIASAT-SP-BACKBONE, US 11492 4648 3885 CABLEONE, US 22773 4030 3721 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3657 3637 VIETEL-AS-AP Viettel Group, VN 20940 3804 3603 AKAMAI-ASN1, NL 7713 3504 3448 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 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 395056 UNALLOCATED 8.45.133.0/24 3356 LEVEL3, US 32306 UNALLOCATED 8.46.80.0/24 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 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 Transit: 37204 TELONE, ZW 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 /11:100 /12:306 /13:594 /14:1210 /15:2071 /16:13394 /17:8169 /18:13748 /19:24816 /20:40734 /21:50130 /22:105867 /23:91540 /24:504443 /25:0 /26:1 /27:0 /28:0 /29:1 /30:4 /31:0 /32:4 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 47331 7389 8226 TTNET, TR 12479 5829 6904 UNI2-AS, ES 11492 3602 4648 CABLEONE, US 6327 3176 3368 SHAW, CA 7155 3049 3961 VIASAT-SP-BACKBONE, US 22773 2998 4030 ASN-CXA-ALL-CCI-22773-RDC, US 8151 2942 8552 Uninet S.A. de C.V., MX 39891 2805 3269 ALJAWWALSTC-AS, SA 8551 2758 3293 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2246 2592 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1906 2:1093 3:145 4:20 5:3586 6:84 7:5 8:1497 11:164 12:1735 13:385 14:2215 15:104 16:23 17:352 18:112 20:126 21:4 22:188 23:5084 24:2445 25:2 27:2521 29:19 31:2370 32:111 33:1 34:1 35:47 36:1591 37:3831 38:2228 39:609 40:166 41:3839 42:983 43:2039 44:286 45:15365 46:3728 47:354 48:7 49:1614 50:1812 51:101 52:1284 54:249 55:747 56:4 57:55 58:1621 59:1053 60:937 61:2194 62:2296 63:1947 64:5360 65:2357 66:4990 67:2866 68:1166 69:4116 70:1363 71:676 72:3141 74:2626 75:1498 76:696 77:2034 78:3799 79:2624 80:1870 81:1689 82:1390 83:1147 84:1306 85:3552 86:716 87:1832 88:2717 89:3033 90:519 91:7379 92:1818 93:2558 94:3152 95:4476 96:1299 97:345 98:978 99:958 100:76 101:1301 102:1703 103:26884 104:4021 105:436 106:824 107:2330 108:726 109:3869 110:1926 111:2714 112:1884 113:1264 114:1466 115:1966 116:1828 117:2234 118:2231 119:1868 120:1100 121:985 122:2493 123:2142 124:1542 125:1900 128:1296 129:1359 130:871 131:2020 132:763 133:362 134:1841 135:312 136:785 137:850 138:2399 139:1185 140:754 141:1212 142:1189 143:1352 144:1267 145:324 146:1510 147:1398 148:2188 149:1500 150:822 151:1083 152:1638 153:428 154:3025 155:1337 156:1787 157:1226 158:986 159:2029 160:2357 161:1246 162:3362 163:1094 164:1561 165:1445 166:586 167:1688 168:3628 169:692 170:4330 171:807 172:2754 173:2868 174:1001 175:1122 176:3272 177:4452 178:2995 179:1903 180:2290 181:2649 182:3207 183:1603 184:2417 185:18818 186:4247 187:3144 188:3334 189:2874 190:8739 191:1353 192:10723 193:8305 194:6774 195:4849 196:2901 197:2172 198:5989 199:5924 200:7337 201:5230 202:10136 203:10021 204:4490 205:3387 206:3712 207:3319 208:4036 209:4742 210:3960 211:2240 212:3797 213:3393 214:1170 215:64 216:6381 217:2588 218:1076 219:451 220:1925 221:922 222:671 223:1778 End of report