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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 Mar 8 19:02:13 CET 2024
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 UKNOF, 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 09 Mar, 2024 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: 939417 Prefixes after maximum aggregation (per Origin AS): 358869 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 458422 Total ASes present in the Internet Routing Table: 75521 Prefixes per ASN: 12.44 Origin-only ASes present in the Internet Routing Table: 64782 Origin ASes announcing only one prefix: 26599 Transit ASes present in the Internet Routing Table: 10739 Transit-only ASes present in the Internet Routing Table: 500 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 55 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 1069 Number of instances of unregistered ASNs: 1071 Number of 32-bit ASNs allocated by the RIRs: 43794 Number of 32-bit ASNs visible in the Routing Table: 36019 Prefixes from 32-bit ASNs in the Routing Table: 182502 Number of bogon 32-bit ASNs visible in the Routing Table: 39 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 542 Number of addresses announced to Internet: 3041749632 Equivalent to 181 /8s, 77 /16s and 106 /24s Percentage of available address space announced: 82.2 Percentage of allocated address space announced: 82.2 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: 310039 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249003 Total APNIC prefixes after maximum aggregation: 73042 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 241703 Unique aggregates announced from the APNIC address blocks: 99939 APNIC Region origin ASes present in the Internet Routing Table: 14033 APNIC Prefixes per ASN: 17.22 APNIC Region origin ASes announcing only one prefix: 4247 APNIC Region transit ASes present in the Internet Routing Table: 1873 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9408 Number of APNIC addresses announced to Internet: 774768768 Equivalent to 46 /8s, 46 /16s and 8 /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, 131072-153913 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: 273922 Total ARIN prefixes after maximum aggregation: 123903 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 278775 Unique aggregates announced from the ARIN address blocks: 132662 ARIN Region origin ASes present in the Internet Routing Table: 19120 ARIN Prefixes per ASN: 14.58 ARIN Region origin ASes announcing only one prefix: 6968 ARIN Region transit ASes present in the Internet Routing Table: 1981 Average ARIN Region AS path length visible: 3.7 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4859 Number of ARIN addresses announced to Internet: 1270191360 Equivalent to 75 /8s, 181 /16s and 149 /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: 263708 Total RIPE prefixes after maximum aggregation: 126120 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 258268 Unique aggregates announced from the RIPE address blocks: 162338 RIPE Region origin ASes present in the Internet Routing Table: 28580 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12112 RIPE Region transit ASes present in the Internet Routing Table: 3958 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11653 Number of RIPE addresses announced to Internet: 712687104 Equivalent to 42 /8s, 122 /16s and 190 /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 196608-216475 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: 121233 Total LACNIC prefixes after maximum aggregation: 29012 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 119680 Unique aggregates announced from the LACNIC address blocks: 49540 LACNIC Region origin ASes present in the Internet Routing Table: 11062 LACNIC Prefixes per ASN: 10.82 LACNIC Region origin ASes announcing only one prefix: 2621 LACNIC Region transit ASes present in the Internet Routing Table: 2379 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 55 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8915 Number of LACNIC addresses announced to Internet: 177494784 Equivalent to 10 /8s, 148 /16s and 91 /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: 30482 Total AfriNIC prefixes after maximum aggregation: 6070 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 40449 Unique aggregates announced from the AfriNIC address blocks: 13505 AfriNIC Region origin ASes present in the Internet Routing Table: 1824 AfriNIC Prefixes per ASN: 22.18 AfriNIC Region origin ASes announcing only one prefix: 651 AfriNIC Region transit ASes present in the Internet Routing Table: 353 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 30 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1184 Number of AfriNIC addresses announced to Internet: 106306048 Equivalent to 6 /8s, 86 /16s and 26 /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 9818 8740 57 CHINAMOBILE-CN China Mobile Communicati 7545 5651 777 673 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4935 4192 75 ERX-CERNET-BKB China Education and Rese 7552 3845 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3592 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3509 495 250 BBIL-AP BHARTI Airtel Ltd., IN 45899 3288 1872 98 VNPT-AS-VN VNPT Corp, VN 24560 2751 863 362 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2311 11259 574 KIXS-AS-KR Korea Telecom, KR 4755 2189 434 195 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 9641 11322 3360 AMAZON-02, US 11492 4576 304 647 CABLEONE, US 7155 4181 288 96 VIASAT-SP-BACKBONE, US 22773 3612 3063 302 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3598 1320 75 SHAW, CA 749 3199 54920 2451 DNIC-AS-00749, US 16625 3191 1388 2286 AKAMAI-AS, US 174 3117 6644 673 COGENT-174, US 367 2920 3649 1408 DNIC-ASBLK-00306-00371, US 396982 2753 3638 403 GOOGLE-CLOUD-PLATFORM, 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 7622 1714 147 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3881 3396 129 AKAMAI-ASN1, NL 9009 3268 284 1592 M247, RO 12389 2961 2303 901 ROSTELECOM-AS, RU 8551 2647 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2352 363 591 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1520 1852 14 TE-AS TE-AS, EG 44477 1488 97 709 STARK-INDUSTRIES, GB 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 12517 3354 584 UNINET, MX 10620 3525 496 891 Telmex Colombia S.A., CO 13999 2504 338 650 Mega Cable, S.A. de C.V., MX 11830 2000 369 64 Instituto Costarricense de Electricidad 28573 1343 2319 241 Claro NXT Telecomunicacoes Ltda, BR 3816 1312 787 193 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1208 349 490 Axtel, S.A.B. de C.V., MX 11664 1144 179 421 Techtel LMDS Comunicaciones Interactiva 6147 1089 369 22 Telefonica del Peru S.A.A., PE 22884 1069 114 378 TOTAL PLAY TELECOMUNICACIONES SA DE CV, 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 24835 1549 545 28 RAYA-AS, EG 24863 1520 389 20 LINKdotNET-AS, EG 36992 1368 1519 282 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1165 75 59 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 554 1861 34 IAM-AS, MA 15399 533 56 54 WANANCHI-, KE 36914 485 82 3 KENET-AS, KE 24757 426 73 5 EthioNet-AS, ET 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 12517 3354 584 UNINET, MX 9808 9818 8740 57 CHINAMOBILE-CN China Mobile Communicati 16509 9641 11322 3360 AMAZON-02, US 12479 7622 1714 147 UNI2-AS, ES 7545 5651 777 673 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4935 4192 75 ERX-CERNET-BKB China Education and Rese 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4576 304 647 CABLEONE, US 7155 4181 288 96 VIASAT-SP-BACKBONE, US 20940 3881 3396 129 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 9818 9761 CHINAMOBILE-CN China Mobile Communications Grou 12479 7622 7475 UNI2-AS, ES 16509 9641 6281 AMAZON-02, US 7545 5651 4978 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4935 4860 ERX-CERNET-BKB China Education and Research Net 39891 4758 4698 ALJAWWALSTC-AS, SA 7155 4181 4085 VIASAT-SP-BACKBONE, US 11492 4576 3929 CABLEONE, US 7552 3845 3825 VIETEL-AS-AP Viettel Group, VN 20940 3881 3752 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 65536 DOCUMENT 5.102.30.0/24 65512 -Private Use AS-, ZZ 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US 396894 UNALLOCATED 8.28.201.0/24 46887 CROWNCASTLE-AS46887, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, 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 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.173.88.0/24 Origin: 394256 CLOUDSINGULARITY, CA 23.173.88.0/24 Transit: 6939 HURRICANE, US 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 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 /9:14 /10:37 /11:98 /12:299 /13:577 /14:1192 /15:2063 /16:13386 /17:8228 /18:13745 /19:24896 /20:44058 /21:51551 /22:111023 /23:98374 /24:569118 /25:742 /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 6736 7622 UNI2-AS, ES 8151 6476 12517 UNINET, MX 11492 3489 4576 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3395 3598 SHAW, CA 7155 3125 4181 VIASAT-SP-BACKBONE, US 22773 2648 3612 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2156 2500 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2131 3525 Telmex Colombia S.A., CO 8551 2123 2647 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo Complete listing at https://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1637 2:1570 3:310 4:6 5:4503 6:161 7:6 8:1517 9:1 11:172 12:1468 13:382 14:2391 15:314 16:208 17:370 18:737 20:354 21:4 22:188 23:6637 24:2702 25:2 27:2573 29:19 31:2641 32:49 34:43 35:125 36:2182 37:4507 38:7109 39:894 40:140 41:4075 42:983 43:2342 44:325 45:16888 46:4366 47:288 49:1932 50:1907 51:575 52:1581 54:307 55:881 56:5 57:154 58:1876 59:1181 60:1022 61:2588 62:2701 63:1904 64:5519 65:2319 66:4715 67:3053 68:1338 69:4049 70:1199 71:574 72:2903 74:2591 75:1551 76:635 77:2408 78:1844 79:2470 80:2150 81:1934 82:1505 83:1257 84:1653 85:3100 86:833 87:2225 88:1237 89:4009 90:683 91:7983 92:2179 93:2634 94:3647 95:4117 96:1287 97:312 98:1037 99:742 100:91 101:1175 102:3104 103:32540 104:4768 105:636 106:938 107:2761 108:1133 109:4065 110:2143 111:3217 112:2067 113:1557 114:1785 115:1989 116:1959 117:2617 118:2361 119:1956 120:1811 121:1330 122:2689 123:2230 124:1608 125:2872 126:28 128:1497 129:925 130:1091 131:1803 132:815 133:410 134:1710 135:312 136:930 137:1051 138:2807 139:1575 140:1372 141:1357 142:1553 143:1489 144:1016 145:342 146:2029 147:1703 148:2491 149:2572 150:1084 151:1317 152:1988 153:526 154:5886 155:1358 156:2247 157:1585 158:1099 159:2238 160:2578 161:1633 162:3602 163:1716 164:1618 165:2109 166:1078 167:1711 168:3965 169:790 170:4718 171:1010 172:3838 173:3029 174:905 175:1218 176:3661 177:4461 178:3569 179:2224 180:2364 181:3671 182:3442 183:1804 184:2259 185:20610 186:4910 187:4398 188:4023 189:4080 190:9334 191:1448 192:10993 193:9033 194:7449 195:5269 196:3131 197:2571 198:6013 199:7385 200:8084 201:6364 202:10481 203:10158 204:4573 205:3741 206:4502 207:3533 208:4157 209:5012 210:4651 211:2578 212:4296 213:3410 214:1106 215:43 216:6765 217:2806 218:1363 219:580 220:2058 221:1024 222:876 223:2234 End of report
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