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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 Apr 14 20:03:16 CEST 2023
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 15 Apr, 2023 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: 918516 Prefixes after maximum aggregation (per Origin AS): 348679 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 448419 Total ASes present in the Internet Routing Table: 74329 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 63774 Origin ASes announcing only one prefix: 26207 Transit ASes present in the Internet Routing Table: 10555 Transit-only ASes present in the Internet Routing Table: 432 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: 1397 Number of instances of unregistered ASNs: 1397 Number of 32-bit ASNs allocated by the RIRs: 41657 Number of 32-bit ASNs visible in the Routing Table: 34469 Prefixes from 32-bit ASNs in the Routing Table: 170077 Number of bogon 32-bit ASNs visible in the Routing Table: 12 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 934 Number of addresses announced to Internet: 3061998848 Equivalent to 182 /8s, 130 /16s and 101 /24s Percentage of available address space announced: 82.7 Percentage of allocated address space announced: 82.7 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: 307006 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 242257 Total APNIC prefixes after maximum aggregation: 69283 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 236590 Unique aggregates announced from the APNIC address blocks: 97749 APNIC Region origin ASes present in the Internet Routing Table: 13397 APNIC Prefixes per ASN: 17.66 APNIC Region origin ASes announcing only one prefix: 3932 APNIC Region transit ASes present in the Internet Routing Table: 1805 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8686 Number of APNIC addresses announced to Internet: 773666688 Equivalent to 46 /8s, 29 /16s and 55 /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: 268730 Total ARIN prefixes after maximum aggregation: 122356 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 271182 Unique aggregates announced from the ARIN address blocks: 130874 ARIN Region origin ASes present in the Internet Routing Table: 19082 ARIN Prefixes per ASN: 14.21 ARIN Region origin ASes announcing only one prefix: 6964 ARIN Region transit ASes present in the Internet Routing Table: 1963 Average ARIN Region AS path length visible: 3.7 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4788 Number of ARIN addresses announced to Internet: 1285271808 Equivalent to 76 /8s, 155 /16s and 177 /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: 259027 Total RIPE prefixes after maximum aggregation: 121950 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255085 Unique aggregates announced from the RIPE address blocks: 157646 RIPE Region origin ASes present in the Internet Routing Table: 28296 RIPE Prefixes per ASN: 9.01 RIPE Region origin ASes announcing only one prefix: 12040 RIPE Region transit ASes present in the Internet Routing Table: 3962 Average RIPE Region AS path length visible: 4.3 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11132 Number of RIPE addresses announced to Internet: 717840512 Equivalent to 42 /8s, 201 /16s and 96 /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: 117757 Total LACNIC prefixes after maximum aggregation: 28461 LACNIC Deaggregation factor: 4.14 Prefixes being announced from the LACNIC address blocks: 117044 Unique aggregates announced from the LACNIC address blocks: 49186 LACNIC Region origin ASes present in the Internet Routing Table: 10985 LACNIC Prefixes per ASN: 10.65 LACNIC Region origin ASes announcing only one prefix: 2661 LACNIC Region transit ASes present in the Internet Routing Table: 2286 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 55 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8780 Number of LACNIC addresses announced to Internet: 176708352 Equivalent to 10 /8s, 136 /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: 29348 Total AfriNIC prefixes after maximum aggregation: 5795 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 37681 Unique aggregates announced from the AfriNIC address blocks: 12293 AfriNIC Region origin ASes present in the Internet Routing Table: 1738 AfriNIC Prefixes per ASN: 21.68 AfriNIC Region origin ASes announcing only one prefix: 610 AfriNIC Region transit ASes present in the Internet Routing Table: 335 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: 1083 Number of AfriNIC addresses announced to Internet: 107792384 Equivalent to 6 /8s, 108 /16s and 200 /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 9480 8705 39 CHINAMOBILE-CN China Mobile Communicati 7545 5728 786 689 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4865 4192 75 ERX-CERNET-BKB China Education and Rese 7552 3552 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3545 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3388 1872 93 VNPT-AS-VN VNPT Corp, VN 9498 2932 491 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2551 11252 591 KIXS-AS-KR Korea Telecom, KR 24560 2375 836 442 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2184 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 8240 10779 2906 AMAZON-02, US 11492 4541 301 607 CABLEONE, US 7155 3967 279 48 VIASAT-SP-BACKBONE, US 22773 3600 3056 280 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3514 1320 64 SHAW, CA 16625 3165 1590 2343 AKAMAI-AS, US 749 3055 50540 2322 DNIC-AS-00749, US 396982 2630 3590 362 GOOGLE-CLOUD-PLATFORM, US 7018 2566 24116 1563 ATT-INTERNET4, US 30036 2493 360 505 MEDIACOM-ENTERPRISE-BUSINESS, 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 7237 1705 149 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4066 3399 164 AKAMAI-ASN1, NL 8551 3889 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2949 2292 909 ROSTELECOM-AS, RU 9009 2659 249 1390 M247, RO 34984 2271 359 611 TELLCOM-AS, TR 6849 2017 307 18 UKRTELNET, UA 58224 1850 950 543 TCI, IR 13188 1606 100 26 TRIOLAN, UA 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 11234 3343 579 Uninet S.A. de C.V., MX 10620 3500 507 851 Telmex Colombia S.A., CO 13999 2317 355 615 Mega Cable, S.A. de C.V., MX 11830 2262 369 64 Instituto Costarricense de Electricidad 28573 1332 2324 240 Claro NXT Telecomunicacoes Ltda, BR 6503 1299 339 514 Axtel, S.A.B. de C.V., MX 3816 1293 760 170 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1133 370 22 Telefonica del Peru S.A.A., PE 11664 1103 180 447 Techtel LMDS Comunicaciones Interactiva 26615 1028 2498 45 TIM SA, BR 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 1578 393 19 LINKdotNET-AS, EG 24835 1541 533 30 RAYA-AS, EG 36992 1338 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1023 67 48 ORANGE-COTE-IVOIRE, CI 36935 875 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 535 54 47 WANANCHI-, KE 37342 493 32 1 MOVITEL, MZ 24757 488 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 11234 3343 579 Uninet S.A. de C.V., MX 9808 9480 8705 39 CHINAMOBILE-CN China Mobile Communicati 16509 8240 10779 2906 AMAZON-02, US 12479 7237 1705 149 UNI2-AS, ES 7545 5728 786 689 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4865 4192 75 ERX-CERNET-BKB China Education and Rese 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4541 301 607 CABLEONE, US 20940 4066 3399 164 AKAMAI-ASN1, NL 7155 3967 279 48 VIASAT-SP-BACKBONE, US Complete listing at https://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9480 9441 CHINAMOBILE-CN China Mobile Communications Grou 12479 7237 7088 UNI2-AS, ES 16509 8240 5334 AMAZON-02, US 7545 5728 5039 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4865 4790 ERX-CERNET-BKB China Education and Research Net 39891 4833 4774 ALJAWWALSTC-AS, SA 11492 4541 3934 CABLEONE, US 7155 3967 3919 VIASAT-SP-BACKBONE, US 20940 4066 3902 AKAMAI-ASN1, NL 8551 3889 3852 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 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 3507 UNALLOCATED 5.105.166.0/24 213035 AS-SERVERION Serverion B.V., 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 33492 UNALLOCATED 8.6.184.0/23 33650 COMCAST-33650, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 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 LIGHTOWER, US 396894 UNALLOCATED 8.28.201.0/24 46887 LIGHTOWER, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, 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 23.131.185.0/24 Origin: 174 COGENT-174, US 23.131.185.0/24 Transit: 2516 KDDI KDDI CORPORATION, JP 23.131.186.0/24 Origin: 174 COGENT-174, US 23.131.186.0/24 Transit: 2516 KDDI KDDI CORPORATION, JP 23.131.187.0/24 Origin: 174 COGENT-174, US 23.131.187.0/24 Transit: 2516 KDDI KDDI CORPORATION, JP 23.131.188.0/24 Origin: 174 COGENT-174, US 23.131.188.0/24 Transit: 2516 KDDI KDDI CORPORATION, JP 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR 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 /10:39 /11:103 /12:299 /13:578 /14:1198 /15:2034 /16:13480 /17:8257 /18:13837 /19:25149 /20:44265 /21:51412 /22:109764 /23:97735 /24:549596 /25:741 /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 6297 7237 UNI2-AS, ES 8151 5196 11234 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3450 4541 CABLEONE, US 8551 3361 3889 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3323 3514 SHAW, CA 7155 3039 3967 VIASAT-SP-BACKBONE, US 22773 2668 3600 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2150 2493 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2054 3500 Telmex Colombia S.A., CO Complete listing at https://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1703 2:1239 3:173 4:5 5:4490 6:128 7:6 8:1549 9:1 11:172 12:1548 13:391 14:2319 15:299 16:183 17:372 18:415 20:255 21:4 22:188 23:6227 24:2586 25:6 27:2489 29:19 31:2522 32:89 34:10 35:107 36:1932 37:4652 38:4438 39:811 40:151 41:3973 42:988 43:2351 44:308 45:16557 46:4265 47:363 49:1757 50:1838 51:571 52:1589 54:389 55:858 56:8 57:112 58:1757 59:1127 60:972 61:2447 62:2655 63:1923 64:5676 65:2320 66:4941 67:3016 68:1367 69:4162 70:1252 71:671 72:2968 74:2626 75:1466 76:610 77:2435 78:1864 79:3170 80:2095 81:1750 82:1486 83:1279 84:1533 85:2995 86:759 87:1986 88:1245 89:3613 90:612 91:7699 92:2064 93:2624 94:3592 95:4000 96:1328 97:336 98:1157 99:744 100:72 101:1071 102:2672 103:31271 104:4652 105:484 106:905 107:2526 108:1028 109:4425 110:2080 111:3234 112:2061 113:1565 114:1649 115:2022 116:1936 117:2557 118:2280 119:2020 120:1795 121:1115 122:2610 123:2160 124:1616 125:2524 128:1312 129:1060 130:1016 131:1984 132:811 133:422 134:1902 135:304 136:878 137:944 138:2550 139:1573 140:1232 141:1460 142:1436 143:1493 144:1164 145:347 146:1940 147:1574 148:2350 149:2092 150:871 151:1152 152:1844 153:488 154:4398 155:1435 156:1797 157:1309 158:1055 159:2287 160:2531 161:1518 162:3515 163:1516 164:1624 165:1711 166:1021 167:1723 168:3883 169:937 170:4616 171:886 172:3557 173:2940 174:1072 175:1153 176:3677 177:4583 178:3585 179:2132 180:2422 181:3424 182:3376 183:1930 184:2356 185:20185 186:4742 187:3966 188:4106 189:3546 190:9120 191:1435 192:10929 193:8865 194:7310 195:5157 196:3094 197:2395 198:5956 199:6099 200:8016 201:5852 202:10664 203:10223 204:4601 205:3555 206:4148 207:3459 208:4077 209:4867 210:4428 211:2487 212:4113 213:3576 214:1083 215:59 216:6633 217:2694 218:1295 219:577 220:2016 221:971 222:887 223:2184 End of report
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