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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 May 6 20:02:48 CEST 2022
This is an automated weekly mailing describing the state of the 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 https://thyme.apnic.net. If you have any comments please contact Philip Smith <pfsinoz at gmail.com>. IPv4 Routing Table Report 04:00 +10GMT Sat 07 May, 2022 BGP Table (Global) as seen in Japan. Report Website: https://thyme.apnic.net Detailed Analysis: https://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 897482 Prefixes after maximum aggregation (per Origin AS): 337711 Deaggregation factor: 2.66 Unique aggregates announced (without unneeded subnets): 430691 Total ASes present in the Internet Routing Table: 73091 Prefixes per ASN: 12.28 Origin-only ASes present in the Internet Routing Table: 62741 Origin ASes announcing only one prefix: 25750 Transit ASes present in the Internet Routing Table: 10350 Transit-only ASes present in the Internet Routing Table: 367 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 66 Max AS path prepend of ASN (267602) 58 Prefixes from unregistered ASNs in the Routing Table: 854 Number of instances of unregistered ASNs: 861 Number of 32-bit ASNs allocated by the RIRs: 39312 Number of 32-bit ASNs visible in the Routing Table: 32591 Prefixes from 32-bit ASNs in the Routing Table: 153631 Number of bogon 32-bit ASNs visible in the Routing Table: 23 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 482 Number of addresses announced to Internet: 3067538816 Equivalent to 182 /8s, 214 /16s and 237 /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: 99.6 Total number of prefixes smaller than registry allocations: 304613 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 235349 Total APNIC prefixes after maximum aggregation: 66645 APNIC Deaggregation factor: 3.53 Prefixes being announced from the APNIC address blocks: 230358 Unique aggregates announced from the APNIC address blocks: 94786 APNIC Region origin ASes present in the Internet Routing Table: 12607 APNIC Prefixes per ASN: 18.27 APNIC Region origin ASes announcing only one prefix: 3589 APNIC Region transit ASes present in the Internet Routing Table: 1729 Average APNIC Region AS path length visible: 4.7 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7806 Number of APNIC addresses announced to Internet: 774069504 Equivalent to 46 /8s, 35 /16s and 93 /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: 261514 Total ARIN prefixes after maximum aggregation: 119897 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 261402 Unique aggregates announced from the ARIN address blocks: 124878 ARIN Region origin ASes present in the Internet Routing Table: 19015 ARIN Prefixes per ASN: 13.75 ARIN Region origin ASes announcing only one prefix: 6898 ARIN Region transit ASes present in the Internet Routing Table: 1942 Average ARIN Region AS path length visible: 3.8 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4476 Number of ARIN addresses announced to Internet: 1295461632 Equivalent to 77 /8s, 55 /16s and 45 /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: 257121 Total RIPE prefixes after maximum aggregation: 117453 RIPE Deaggregation factor: 2.19 Prefixes being announced from the RIPE address blocks: 254519 Unique aggregates announced from the RIPE address blocks: 150317 RIPE Region origin ASes present in the Internet Routing Table: 28130 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12047 RIPE Region transit ASes present in the Internet Routing Table: 3975 Average RIPE Region AS path length visible: 4.3 Max RIPE Region AS path length visible: 33 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10688 Number of RIPE addresses announced to Internet: 713885056 Equivalent to 42 /8s, 141 /16s and 5 /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: 114893 Total LACNIC prefixes after maximum aggregation: 27612 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 114718 Unique aggregates announced from the LACNIC address blocks: 48579 LACNIC Region origin ASes present in the Internet Routing Table: 10968 LACNIC Prefixes per ASN: 10.46 LACNIC Region origin ASes announcing only one prefix: 2654 LACNIC Region transit ASes present in the Internet Routing Table: 2201 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 66 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8662 Number of LACNIC addresses announced to Internet: 176484096 Equivalent to 10 /8s, 132 /16s and 239 /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: 27751 Total AfriNIC prefixes after maximum aggregation: 5437 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 36003 Unique aggregates announced from the AfriNIC address blocks: 11713 AfriNIC Region origin ASes present in the Internet Routing Table: 1630 AfriNIC Prefixes per ASN: 22.09 AfriNIC Region origin ASes announcing only one prefix: 562 AfriNIC Region transit ASes present in the Internet Routing Table: 326 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 36 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 959 Number of AfriNIC addresses announced to Internet: 107366400 Equivalent to 6 /8s, 102 /16s and 72 /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 9141 8884 44 CHINAMOBILE-CN China Mobile Communicati 7545 5922 789 697 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4710 4192 75 ERX-CERNET-BKB China Education and Rese 7552 3592 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3494 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3431 1880 56 VNPT-AS-VN VNPT Corp, VN 4766 2495 11121 601 KIXS-AS-KR Korea Telecom, KR 9498 2403 499 239 BBIL-AP BHARTI Airtel Ltd., IN 45090 2169 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2119 438 201 TATACOMM-AS TATA Communications formerl Complete listing at https://thyme.apnic.net/current/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 6340 10279 2727 AMAZON-02, US 11492 4476 297 694 CABLEONE, US 22773 3934 3075 361 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 16625 3596 1837 2540 AKAMAI-AS, US 6327 3437 1318 62 SHAW, CA 749 2882 50780 2138 DNIC-AS-00749, US 30036 2623 374 130 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2515 4962 424 CENTURYLINK-US-LEGACY-QWEST, US 20115 2251 3051 492 CHARTER-20115, US Complete listing at https://thyme.apnic.net/current/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 6767 1730 150 UNI2-AS, ES 9121 6715 1692 17 TTNET, TR 8551 4008 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3939 3360 201 AKAMAI-ASN1, NL 39891 3819 220 34 ALJAWWALSTC-AS, SA 12389 2948 2273 909 ROSTELECOM-AS, RU 6849 2907 355 21 UKRTELNET, UA 9009 2493 249 1296 M247, GB 34984 2239 358 633 TELLCOM-AS, TR 47331 2086 328 1598 TTNET, TR Complete listing at https://thyme.apnic.net/current/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 10580 3394 561 Uninet S.A. de C.V., MX 10620 3475 519 738 Telmex Colombia S.A., CO 11830 2433 369 63 Instituto Costarricense de Electricidad 13999 1782 298 469 Mega Cable, S.A. de C.V., MX 6503 1456 355 525 Axtel, S.A.B. de C.V., MX 28573 1401 2333 253 CLARO S.A., BR 3816 1256 669 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1080 369 21 Telefonica del Peru S.A.A., PE 11664 1014 191 443 Techtel LMDS Comunicaciones Interactiva 11172 961 133 63 Alestra, S. de R.L. de C.V., MX Complete listing at https://thyme.apnic.net/current/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1653 393 21 LINKdotNET-AS, EG 24835 1442 501 30 RAYA-AS, EG 36992 1314 1519 263 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 928 65 59 ORANGE-COTE-IVOIRE, CI 36935 619 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 512 51 33 WANANCHI-, KE 37342 467 32 1 MOVITEL, MZ 23889 423 232 16 MauritiusTelecom, MU Complete listing at https://thyme.apnic.net/current/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 10580 3394 561 Uninet S.A. de C.V., MX 9808 9141 8884 44 CHINAMOBILE-CN China Mobile Communicati 12479 6767 1730 150 UNI2-AS, ES 9121 6715 1692 17 TTNET, TR 16509 6340 10279 2727 AMAZON-02, US 7545 5922 789 697 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4710 4192 75 ERX-CERNET-BKB China Education and Rese 11492 4476 297 694 CABLEONE, US 8551 4008 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3939 3360 201 AKAMAI-ASN1, NL Complete listing at https://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9141 9097 CHINAMOBILE-CN China Mobile Communications Grou 9121 6715 6698 TTNET, TR 12479 6767 6617 UNI2-AS, ES 7545 5922 5225 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4710 4635 ERX-CERNET-BKB China Education and Research Net 8551 4008 3969 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3901 3870 VIASAT-SP-BACKBONE, US 39891 3819 3785 ALJAWWALSTC-AS, SA 11492 4476 3782 CABLEONE, US 20940 3939 3738 AKAMAI-ASN1, NL Complete listing at https://thyme.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, 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 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, 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 33652 CMCS, US Complete listing at https://thyme.apnic.net/current/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE, US Complete listing at https://thyme.apnic.net/current/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 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 41.57.124.0/24 Origin: 37442 UNASSIGNED 41.57.124.0/24 Transit: 37204 TELONE, ZW Complete listing at https://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 /11:100 /12:303 /13:591 /14:1212 /15:2065 /16:13550 /17:8313 /18:13908 /19:25196 /20:43781 /21:52215 /22:108367 /23:95963 /24:531046 /25:802 /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 5871 6715 TTNET, TR 12479 5748 6767 UNI2-AS, ES 8151 4296 10580 Uninet S.A. de C.V., MX 8551 3474 4008 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3382 4476 CABLEONE, US 6327 3249 3437 SHAW, CA 39891 3131 3819 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2936 3934 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2758 2907 UKRTELNET, UA Complete listing at https://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1941 2:1033 3:154 4:6 5:3786 6:103 7:5 8:1566 9:1 11:172 12:1708 13:298 14:2386 15:198 16:45 17:385 18:158 20:205 21:4 22:188 23:5645 24:2286 25:6 27:2594 29:19 31:2421 32:96 34:1 35:73 36:1756 37:4416 38:2796 39:700 40:153 41:3973 42:1089 43:2197 44:292 45:16037 46:4137 47:321 49:1702 50:2159 51:100 52:1419 54:365 55:736 56:8 57:59 58:1808 59:1204 60:959 61:2254 62:2508 63:1953 64:5514 65:2320 66:4851 67:2975 68:1190 69:4156 70:1336 71:673 72:3051 74:2647 75:1390 76:585 77:2179 78:3913 79:3108 80:1988 81:1740 82:1494 83:1208 84:1366 85:3659 86:712 87:1959 88:2736 89:3295 90:517 91:7612 92:1996 93:2580 94:3498 95:4769 96:1306 97:349 98:993 99:736 100:75 101:1043 102:2069 103:29069 104:4375 105:462 106:875 107:2540 108:832 109:4205 110:2035 111:3277 112:2029 113:1548 114:1489 115:1975 116:1905 117:2509 118:2329 119:1840 120:1692 121:1073 122:2580 123:2116 124:1588 125:2125 128:1234 129:1104 130:968 131:2051 132:771 133:372 134:1903 135:289 136:882 137:846 138:2451 139:1502 140:854 141:1400 142:1291 143:1448 144:1210 145:343 146:1811 147:1488 148:2224 149:1729 150:844 151:1081 152:1850 153:459 154:3556 155:1417 156:1877 157:1227 158:1042 159:2151 160:2489 161:1267 162:3459 163:1261 164:1638 165:1596 166:710 167:1703 168:3808 169:840 170:4502 171:831 172:3137 173:3099 174:1023 175:1127 176:3519 177:4656 178:3497 179:2016 180:2283 181:2996 182:3253 183:1954 184:2385 185:19433 186:4328 187:3724 188:3866 189:3238 190:8870 191:1323 192:11005 193:8606 194:6996 195:4965 196:2986 197:2419 198:6002 199:6041 200:7492 201:5721 202:10485 203:10037 204:4557 205:3448 206:3772 207:3392 208:4038 209:4663 210:4280 211:2456 212:4036 213:3419 214:1153 215:67 216:6443 217:2664 218:1269 219:571 220:1946 221:979 222:843 223:2149 End of report
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