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[routing-wg] Weekly Global IPv4 Routing Table Report
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Routing Table Analysis Role Account
cscora at apnic.net
Fri Nov 12 19:03:00 CET 2021
This is an automated weekly mailing describing the state of the Internet Global IPv4 Routing Table as seen from APNIC's router in Japan. The posting is sent to APOPS, NANOG, AfNOG, SANOG, PacNOG, SAFNOG TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG and the RIPE Routing WG. Daily listings are sent to bgp-stats at lists.apnic.net For historical data, please see http://thyme.apnic.net. If you have any comments please contact Philip Smith <pfsinoz at gmail.com>. Global IPv4 Routing Table Report 04:00 +10GMT Sat 13 Nov, 2021 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 871023 Prefixes after maximum aggregation (per Origin AS): 329373 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 421022 Total ASes present in the Internet Routing Table: 72294 Prefixes per ASN: 12.05 Origin-only ASes present in the Internet Routing Table: 62097 Origin ASes announcing only one prefix: 25623 Transit ASes present in the Internet Routing Table: 10197 Transit-only ASes present in the Internet Routing Table: 356 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 53 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 864 Number of instances of unregistered ASNs: 868 Number of 32-bit ASNs allocated by the RIRs: 37805 Number of 32-bit ASNs visible in the Routing Table: 31370 Prefixes from 32-bit ASNs in the Routing Table: 144615 Number of bogon 32-bit ASNs visible in the Routing Table: 25 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 427 Number of addresses announced to Internet: 3071879936 Equivalent to 183 /8s, 25 /16s and 43 /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: 290647 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 230878 Total APNIC prefixes after maximum aggregation: 64823 APNIC Deaggregation factor: 3.56 Prefixes being announced from the APNIC address blocks: 225931 Unique aggregates announced from the APNIC address blocks: 92904 APNIC Region origin ASes present in the Internet Routing Table: 12105 APNIC Prefixes per ASN: 18.66 APNIC Region origin ASes announcing only one prefix: 3455 APNIC Region transit ASes present in the Internet Routing Table: 1696 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7278 Number of APNIC addresses announced to Internet: 773269632 Equivalent to 46 /8s, 23 /16s and 40 /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: 255823 Total ARIN prefixes after maximum aggregation: 118120 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 255977 Unique aggregates announced from the ARIN address blocks: 122546 ARIN Region origin ASes present in the Internet Routing Table: 18948 ARIN Prefixes per ASN: 13.51 ARIN Region origin ASes announcing only one prefix: 6861 ARIN Region transit ASes present in the Internet Routing Table: 1957 Average ARIN Region AS path length visible: 3.8 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4208 Number of ARIN addresses announced to Internet: 1301297408 Equivalent to 77 /8s, 144 /16s and 57 /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: 242723 Total RIPE prefixes after maximum aggregation: 113535 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 238900 Unique aggregates announced from the RIPE address blocks: 146432 RIPE Region origin ASes present in the Internet Routing Table: 28141 RIPE Prefixes per ASN: 8.49 RIPE Region origin ASes announcing only one prefix: 12143 RIPE Region transit ASes present in the Internet Routing Table: 3915 Average RIPE Region AS path length visible: 4.3 Max RIPE Region AS path length visible: 38 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10520 Number of RIPE addresses announced to Internet: 712386688 Equivalent to 42 /8s, 118 /16s and 40 /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: 113718 Total LACNIC prefixes after maximum aggregation: 26952 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 114593 Unique aggregates announced from the LACNIC address blocks: 47437 LACNIC Region origin ASes present in the Internet Routing Table: 10791 LACNIC Prefixes per ASN: 10.62 LACNIC Region origin ASes announcing only one prefix: 2615 LACNIC Region transit ASes present in the Internet Routing Table: 2129 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 53 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8463 Number of LACNIC addresses announced to Internet: 176442624 Equivalent to 10 /8s, 132 /16s and 77 /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: 27017 Total AfriNIC prefixes after maximum aggregation: 5273 AfriNIC Deaggregation factor: 5.12 Prefixes being announced from the AfriNIC address blocks: 35195 Unique aggregates announced from the AfriNIC address blocks: 11318 AfriNIC Region origin ASes present in the Internet Routing Table: 1573 AfriNIC Prefixes per ASN: 22.37 AfriNIC Region origin ASes announcing only one prefix: 549 AfriNIC Region transit ASes present in the Internet Routing Table: 308 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 25 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 901 Number of AfriNIC addresses announced to Internet: 108225280 Equivalent to 6 /8s, 115 /16s and 99 /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 8699 9000 57 CHINAMOBILE-CN China Mobile Communicati 7545 5858 787 685 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4665 4192 74 ERX-CERNET-BKB China Education and Rese 7552 3591 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3498 1023 57 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3195 1896 54 VNPT-AS-VN VNPT Corp, VN 4766 2507 11119 578 KIXS-AS-KR Korea Telecom, KR 9498 2169 471 234 BBIL-AP BHARTI Airtel Ltd., IN 45090 2135 1198 75 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2124 429 204 TATACOMM-AS TATA Communications formerl Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 5889 9964 2541 AMAZON-02, US 11492 4633 307 804 CABLEONE, US 22773 4047 3049 380 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3950 264 30 VIASAT-SP-BACKBONE, US 16625 3665 1891 2547 AKAMAI-AS, US 6327 3390 1318 69 SHAW, CA 749 2890 50784 2146 DNIC-AS-00749, US 30036 2599 375 147 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2523 5027 442 CENTURYLINK-US-LEGACY-QWEST, US 7018 2246 24164 1435 ATT-INTERNET4, US Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 6881 1725 146 UNI2-AS, ES 20940 3925 3348 218 AKAMAI-ASN1, NL 39891 3271 187 23 ALJAWWALSTC-AS, SA 8551 3089 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2928 2279 898 ROSTELECOM-AS, RU 9009 2510 258 1320 M247, GB 34984 2199 354 599 TELLCOM-AS, TR 58224 1738 912 587 TCI, IR 61317 1630 213 918 ASDETUK www.heficed.com, GB 13188 1610 100 27 TRIOLAN, UA Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 10629 3464 576 Uninet S.A. de C.V., MX 10620 3248 490 830 Telmex Colombia S.A., CO 11830 2470 369 62 Instituto Costarricense de Electricidad 13999 1641 286 453 Mega Cable, S.A. de C.V., MX 6503 1530 359 472 Axtel, S.A.B. de C.V., MX 28573 1451 2313 250 CLARO S.A., BR 3816 1240 651 153 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 26615 1132 2351 138 TIM SA, BR 6147 1092 370 21 Telefonica del Peru S.A.A., PE 11664 970 188 442 Techtel LMDS Comunicaciones Interactiva Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1638 393 21 LINKdotNET-AS, EG 24835 1536 507 33 RAYA-AS, EG 36992 1285 1430 270 ETISALAT-MISR, EG 36903 1183 537 110 MT-MPLS, MA 29571 814 68 11 ORANGE-COTE-IVOIRE, CI 36935 702 523 44 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 516 50 31 WANANCHI-, KE 37342 470 32 1 MOVITEL, MZ 23889 429 232 16 MauritiusTelecom, MU Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 10629 3464 576 Uninet S.A. de C.V., MX 9808 8699 9000 57 CHINAMOBILE-CN China Mobile Communicati 12479 6881 1725 146 UNI2-AS, ES 16509 5889 9964 2541 AMAZON-02, US 7545 5858 787 685 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4665 4192 74 ERX-CERNET-BKB China Education and Rese 11492 4633 307 804 CABLEONE, US 22773 4047 3049 380 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3950 264 30 VIASAT-SP-BACKBONE, US 20940 3925 3348 218 AKAMAI-ASN1, NL Complete listing at http://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 8699 8642 CHINAMOBILE-CN China Mobile Communications Grou 12479 6881 6735 UNI2-AS, ES 7545 5858 5173 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4665 4591 ERX-CERNET-BKB China Education and Research Net 7155 3950 3920 VIASAT-SP-BACKBONE, US 11492 4633 3829 CABLEONE, US 20940 3925 3707 AKAMAI-ASN1, NL 22773 4047 3667 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3591 3571 VIETEL-AS-AP Viettel Group, VN 7713 3498 3441 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID Complete listing at http://thyme.apnic.net/current/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 8.33.224.0/24 174 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 46887 LIGHTOWER, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 395056 UNALLOCATED 8.45.133.0/24 3356 LEVEL3, US Complete listing at http://thyme.apnic.net/current/data-badAS Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE, US Complete listing at http://thyme.apnic.net/current/data-dsua 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: 1299 TWELVE99 Twelve99, Telia Carrier, SE 23.252.161.0/24 Origin: 398968 GROUP-IID-01, US 23.252.161.0/24 Transit: 1299 TWELVE99 Twelve99, Telia Carrier, SE 23.252.162.0/24 Origin: 398968 GROUP-IID-01, US 23.252.162.0/24 Transit: 1299 TWELVE99 Twelve99, Telia Carrier, SE Complete listing at http://thyme.apnic.net/current/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 /10:41 /11:99 /12:300 /13:597 /14:1214 /15:2044 /16:13567 /17:8258 /18:13918 /19:25286 /20:43031 /21:50861 /22:107243 /23:93940 /24:509146 /25:1449 /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 12479 5840 6881 UNI2-AS, ES 8151 4426 10629 Uninet S.A. de C.V., MX 11492 3586 4633 CABLEONE, US 6327 3198 3390 SHAW, CA 7155 3040 3950 VIASAT-SP-BACKBONE, US 22773 3010 4047 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2807 3271 ALJAWWALSTC-AS, SA 8551 2554 3089 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2253 2599 MEDIACOM-ENTERPRISE-BUSINESS, US 11830 1921 2470 Instituto Costarricense de Electricidad y Telec Complete listing at http://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1920 2:1048 3:145 4:18 5:3725 6:100 7:5 8:1549 9:1 11:172 12:1712 13:405 14:2267 15:123 16:30 17:375 18:125 20:143 21:4 22:188 23:5308 24:2389 25:2 27:2548 29:19 31:2380 32:106 34:1 35:47 36:1728 37:3910 38:2343 39:636 40:149 41:3872 42:1055 43:2082 44:290 45:15654 46:3784 47:323 49:1680 50:1876 51:103 52:1332 54:284 55:737 56:4 57:55 58:1741 59:1127 60:937 61:2246 62:2367 63:1957 64:5416 65:2347 66:4945 67:2874 68:1174 69:4086 70:1348 71:679 72:3090 74:2612 75:1499 76:709 77:2100 78:1745 79:2391 80:1872 81:1511 82:1411 83:1171 84:1300 85:2822 86:703 87:1877 88:973 89:3097 90:501 91:7463 92:1913 93:2571 94:3190 95:3593 96:1302 97:348 98:980 99:918 100:76 101:1044 102:1770 103:27411 104:4117 105:436 106:844 107:2412 108:748 109:3930 110:2059 111:3138 112:1952 113:1498 114:1538 115:1934 116:1875 117:2429 118:2328 119:1844 120:1613 121:1038 122:2535 123:2133 124:1597 125:2032 128:1376 129:1113 130:912 131:2072 132:749 133:364 134:1905 135:332 136:793 137:863 138:2423 139:1212 140:831 141:1323 142:1240 143:1340 144:1273 145:327 146:1585 147:1463 148:2235 149:1585 150:849 151:1080 152:1669 153:436 154:3292 155:1362 156:1819 157:1192 158:986 159:2012 160:2325 161:1262 162:3388 163:1112 164:1660 165:1497 166:610 167:1659 168:3654 169:681 170:4273 171:805 172:2838 173:3042 174:1002 175:1125 176:3395 177:4509 178:3008 179:1926 180:2260 181:2617 182:3159 183:1928 184:2417 185:18990 186:4234 187:3516 188:3628 189:3080 190:8723 191:1314 192:10974 193:8402 194:6867 195:4890 196:2878 197:2236 198:6032 199:6002 200:7404 201:5682 202:10470 203:10038 204:4496 205:3403 206:3848 207:3392 208:4006 209:4689 210:4223 211:2436 212:3788 213:3369 214:1159 215:64 216:6383 217:2622 218:1220 219:613 220:1955 221:986 222:852 223:2128 End of report
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