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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Jul 16 20:02:49 CEST 2021
This is an automated weekly mailing describing the state of the Internet 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.rand.apnic.net. If you have any comments please contact Philip Smith <pfsinoz at gmail.com>. Routing Table Report 04:00 +10GMT Sat 17 Jul, 2021 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 856629 Prefixes after maximum aggregation (per Origin AS): 324292 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 412562 Total ASes present in the Internet Routing Table: 71609 Prefixes per ASN: 11.96 Origin-only ASes present in the Internet Routing Table: 61558 Origin ASes announcing only one prefix: 25414 Transit ASes present in the Internet Routing Table: 10051 Transit-only ASes present in the Internet Routing Table: 324 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 54 Max AS path prepend of ASN ( 48366) 51 Prefixes from unregistered ASNs in the Routing Table: 1112 Number of instances of unregistered ASNs: 1118 Number of 32-bit ASNs allocated by the RIRs: 36630 Number of 32-bit ASNs visible in the Routing Table: 30463 Prefixes from 32-bit ASNs in the Routing Table: 141814 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: 531 Number of addresses announced to Internet: 3037572352 Equivalent to 181 /8s, 13 /16s and 173 /24s Percentage of available address space announced: 82.0 Percentage of allocated address space announced: 82.0 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: 284853 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 230297 Total APNIC prefixes after maximum aggregation: 65981 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 225742 Unique aggregates announced from the APNIC address blocks: 90728 APNIC Region origin ASes present in the Internet Routing Table: 11759 APNIC Prefixes per ASN: 19.20 APNIC Region origin ASes announcing only one prefix: 3341 APNIC Region transit ASes present in the Internet Routing Table: 1664 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 6929 Number of APNIC addresses announced to Internet: 774057216 Equivalent to 46 /8s, 35 /16s and 45 /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: 250402 Total ARIN prefixes after maximum aggregation: 114472 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 250154 Unique aggregates announced from the ARIN address blocks: 119727 ARIN Region origin ASes present in the Internet Routing Table: 18844 ARIN Prefixes per ASN: 13.27 ARIN Region origin ASes announcing only one prefix: 6848 ARIN Region transit ASes present in the Internet Routing Table: 1943 Average ARIN Region AS path length visible: 3.9 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 3990 Number of ARIN addresses announced to Internet: 1268767360 Equivalent to 75 /8s, 159 /16s and 218 /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: 238673 Total RIPE prefixes after maximum aggregation: 111479 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 235040 Unique aggregates announced from the RIPE address blocks: 143525 RIPE Region origin ASes present in the Internet Routing Table: 28005 RIPE Prefixes per ASN: 8.39 RIPE Region origin ASes announcing only one prefix: 12036 RIPE Region transit ASes present in the Internet Routing Table: 3900 Average RIPE Region AS path length visible: 4.3 Max RIPE Region AS path length visible: 54 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10305 Number of RIPE addresses announced to Internet: 710858624 Equivalent to 42 /8s, 94 /16s and 215 /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: 110748 Total LACNIC prefixes after maximum aggregation: 26491 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 111881 Unique aggregates announced from the LACNIC address blocks: 47052 LACNIC Region origin ASes present in the Internet Routing Table: 10770 LACNIC Prefixes per ASN: 10.39 LACNIC Region origin ASes announcing only one prefix: 2674 LACNIC Region transit ASes present in the Internet Routing Table: 2086 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8410 Number of LACNIC addresses announced to Internet: 175925248 Equivalent to 10 /8s, 124 /16s and 104 /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: 25394 Total AfriNIC prefixes after maximum aggregation: 5112 AfriNIC Deaggregation factor: 4.97 Prefixes being announced from the AfriNIC address blocks: 33281 Unique aggregates announced from the AfriNIC address blocks: 11064 AfriNIC Region origin ASes present in the Internet Routing Table: 1493 AfriNIC Prefixes per ASN: 22.29 AfriNIC Region origin ASes announcing only one prefix: 515 AfriNIC Region transit ASes present in the Internet Routing Table: 297 Average AfriNIC Region AS path length visible: 5.2 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 829 Number of AfriNIC addresses announced to Internet: 107537920 Equivalent to 6 /8s, 104 /16s and 230 /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 7600 9002 61 CMNET-GD Guangdong Mobile Communication 7545 5807 783 676 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4854 4192 74 ERX-CERNET-BKB China Education and Rese 7552 3532 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3530 1023 56 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 2799 1897 55 VNPT-AS-VN VNPT Corp, VN 4766 2437 11120 569 KIXS-AS-KR Korea Telecom, KR 9498 2358 483 246 BBIL-AP BHARTI Airtel Ltd., IN 45090 2125 1197 73 CNNIC-TENCENT-NET-AP Shenzhen Tencent C 4755 2114 437 192 TATACOMM-AS TATA Communications formerl Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 5245 9536 2371 AMAZON-02, US 11492 4808 317 729 CABLEONE, US 7155 4000 264 32 VIASAT-SP-BACKBONE, US 22773 3991 3021 278 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3510 1814 2447 AKAMAI-AS, US 6327 3368 1317 69 SHAW, CA 30036 2584 373 122 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2539 5034 473 CENTURYLINK-US-LEGACY-QWEST, US 5972 2259 452 793 DNIC-ASBLK-05800-06055, US 20115 2181 2965 506 CHARTER-20115, US Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 6739 1726 145 UNI2-AS, ES 20940 3701 3348 214 AKAMAI-ASN1, NL 39891 3267 187 22 ALJAWWALSTC-AS, SA 8551 2977 378 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2913 2283 897 ROSTELECOM-AS, RU 9009 2441 254 1303 M247, GB 34984 2215 356 594 TELLCOM-AS, TR 61317 1640 269 840 ASDETUK www.heficed.com, GB 13188 1610 100 27 TRIOLAN, UA 58224 1608 888 556 TCI, IR Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 8575 3447 583 Uninet S.A. de C.V., MX 10620 3407 525 651 Telmex Colombia S.A., CO 11830 2507 369 62 Instituto Costarricense de Electricidad 13999 1743 425 471 Mega Cable, S.A. de C.V., MX 6503 1489 359 477 Axtel, S.A.B. de C.V., MX 28573 1423 2290 235 CLARO S.A., BR 3816 1240 652 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1099 369 22 Telefonica del Peru S.A.A., PE 26615 1088 2351 134 TIM SA, BR 11664 990 199 443 Techtel LMDS Comunicaciones Interactiva Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1500 393 22 LINKdotNET-AS, EG 24835 1457 498 30 RAYA-AS, EG 36992 1307 1489 267 ETISALAT-MISR, EG 36903 1183 537 110 MT-MPLS, MA 29571 732 68 11 ORANGE-COTE-IVOIRE, CI 6713 613 1863 34 IAM-AS, MA 36935 533 522 40 Vodafone-, EG 15399 495 49 26 WANANCHI-, KE 2018 329 319 74 TENET-1, ZA 23889 317 232 16 MauritiusTelecom, MU Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 8575 3447 583 Uninet S.A. de C.V., MX 9808 7600 9002 61 CMNET-GD Guangdong Mobile Communication 12479 6739 1726 145 UNI2-AS, ES 7545 5807 783 676 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 5245 9536 2371 AMAZON-02, US 4538 4854 4192 74 ERX-CERNET-BKB China Education and Rese 11492 4808 317 729 CABLEONE, US 7155 4000 264 32 VIASAT-SP-BACKBONE, US 22773 3991 3021 278 ASN-CXA-ALL-CCI-22773-RDC, US 20940 3701 3348 214 AKAMAI-ASN1, NL Complete listing at http://thyme.rand.apnic.net/current/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 7600 7539 CMNET-GD Guangdong Mobile Communication Co.Ltd. 12479 6739 6594 UNI2-AS, ES 7545 5807 5131 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4854 4780 ERX-CERNET-BKB China Education and Research Net 11492 4808 4079 CABLEONE, US 7155 4000 3968 VIASAT-SP-BACKBONE, US 22773 3991 3713 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3532 3512 VIETEL-AS-AP Viettel Group, VN 20940 3701 3487 AKAMAI-ASN1, NL 7713 3530 3474 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID Complete listing at http://thyme.rand.apnic.net/current/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 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 40544 UNALLOCATED 12.0.33.0/24 6461 ZAYO-6461, US 15132 UNALLOCATED 12.9.150.0/24 1239 SPRINTLINK, US 3577 UNALLOCATED 12.19.197.0/24 209 CENTURYLINK-US-LEGACY-QWEST, Complete listing at http://thyme.rand.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.rand.apnic.net/current/data-dsua Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.141.0.0/24 Origin: 395350 UNASSIGNED Transit: 11426 TWC-11426-CAROLINAS, US 23.162.32.0/24 Origin: 32444 SAFELINK-MV, US Transit: 6939 HURRICANE, US 27.100.7.0/24 Origin: 56096 UNASSIGNED Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 27.126.156.0/22 Origin: 55827 UNASSIGNED Transit: 9930 TTNET-MY TIME dotCom Berhad No. 14, Jala 27.126.156.0/23 Origin: 55827 UNASSIGNED Transit: 9930 TTNET-MY TIME dotCom Berhad No. 14, Jala Complete listing at http://thyme.rand.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 /8:17 /9:14 /10:41 /11:102 /12:305 /13:589 /14:1194 /15:1996 /16:13422 /17:8263 /18:13987 /19:25426 /20:42386 /21:50396 /22:106920 /23:91531 /24:498630 /25:1410 /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 5677 6739 UNI2-AS, ES 11492 3777 4808 CABLEONE, US 6327 3175 3368 SHAW, CA 8151 3089 8575 Uninet S.A. de C.V., MX 7155 3088 4000 VIASAT-SP-BACKBONE, US 22773 2972 3991 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2803 3267 ALJAWWALSTC-AS, SA 8551 2442 2977 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2254 2584 MEDIACOM-ENTERPRISE-BUSINESS, US 11830 1934 2507 Instituto Costarricense de Electricidad y Telec Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1892 2:1145 3:142 4:20 5:3566 6:79 7:5 8:1535 9:1 11:164 12:1741 13:377 14:2294 15:93 16:20 17:325 18:100 20:124 21:1 22:188 23:4841 24:2422 25:2 27:2498 29:19 31:2309 32:111 34:1 35:46 36:1588 37:3783 38:2164 39:607 40:175 41:3712 42:957 43:2060 44:267 45:15256 46:3710 47:351 48:2 49:1615 50:1817 51:101 52:1236 54:215 55:805 56:9 57:53 58:1747 59:1200 60:933 61:2318 62:2303 63:1968 64:5379 65:2360 66:5034 67:2891 68:1180 69:4089 70:1376 71:681 72:3149 74:2588 75:1491 76:697 77:2042 78:1715 79:2305 80:1860 81:1518 82:1325 83:1143 84:1262 85:2704 86:702 87:1813 88:975 89:3015 90:497 91:7383 92:1794 93:2560 94:3122 95:3530 96:1302 97:342 98:979 99:969 100:93 101:1021 102:1505 103:26356 104:3850 105:437 106:801 107:2257 108:729 109:3848 110:2008 111:3137 112:1913 113:1463 114:1437 115:1884 116:1881 117:2347 118:2406 119:1897 120:1451 121:1065 122:2520 123:2181 124:1587 125:2077 128:1304 129:1277 130:882 131:1984 132:753 133:360 134:1641 135:302 136:777 137:944 138:2412 139:1194 140:762 141:1217 142:1208 143:1336 144:1261 145:325 146:1482 147:1361 148:2186 149:1467 150:820 151:1086 152:1611 153:420 154:2996 155:1339 156:1684 157:1205 158:942 159:2004 160:2318 161:1231 162:3353 163:1015 164:1538 165:1402 166:623 167:1779 168:3634 169:700 170:4274 171:793 172:2535 173:2984 174:1007 175:1073 176:3177 177:4410 178:2944 179:1889 180:2259 181:2617 182:3210 183:2042 184:2410 185:18562 186:4131 187:3129 188:3335 189:2835 190:8738 191:1384 192:10720 193:8268 194:6711 195:4797 196:2891 197:1866 198:6055 199:6011 200:7314 201:5222 202:10550 203:10049 204:4669 205:3355 206:3626 207:3384 208:4031 209:4721 210:4254 211:2316 212:3714 213:3458 214:1186 215:56 216:6282 217:2572 218:1203 219:706 220:2059 221:953 222:865 223:1957 End of report
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