
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@lists.apnic.net. For historical data, please see https://thyme.apnic.net. If you have any comments please contact Philip Smith <pfsinoz@gmail.com>. IPv4 Routing Table Report 04:00 +10GMT Sat 01 Mar, 2025 IPv4 BGP Table (Global) as seen at Japan. Report Website: https://thyme.apnic.net Detailed Analysis: https://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 976495 Prefixes after maximum aggregation (per Origin AS): 373759 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 475448 Number of IPv4 prefixes with a valid ROA: 527690 Number of IPv4 prefixes with an invalid ROA: 2120 Number of IPv4 prefixes with no ROA: 446685 Total ASes present in the Internet Routing Table: 76714 Prefixes per ASN: 12.73 Origin-only ASes present in the Internet Routing Table: 65661 Origin ASes announcing only one prefix: 26909 Transit ASes present in the Internet Routing Table: 11053 Transit-only ASes present in the Internet Routing Table: 539 Average AS path length visible in the Internet Routing Table: 5.2 Max AS path length visible: 65 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 987 Number of instances of unregistered ASNs: 1005 Number of 32-bit ASNs allocated by the RIRs: 46215 Number of 32-bit ASNs visible in the Routing Table: 37939 Prefixes from 32-bit ASNs in the Routing Table: 199640 Number of bogon 32-bit ASNs visible in the Routing Table: 66 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 468 Number of addresses announced to Internet: 3110173824 Equivalent to 185 /8s, 97 /16s and 124 /24s Percentage of available address space announced: 84.0 Percentage of allocated address space announced: 84.0 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: 320345 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 256651 Total APNIC prefixes after maximum aggregation: 76857 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 248562 Unique aggregates announced from the APNIC address blocks: 102733 APNIC Region origin ASes present in the Internet Routing Table: 14570 APNIC Prefixes per ASN: 17.06 APNIC Region origin ASes announcing only one prefix: 4442 APNIC Region transit ASes present in the Internet Routing Table: 1960 Average APNIC Region AS path length visible: 5.4 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10050 Number of APNIC addresses announced to Internet: 750480896 Equivalent to 44 /8s, 187 /16s and 110 /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, 131072-155961 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: 287838 Total ARIN prefixes after maximum aggregation: 127909 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 289408 Unique aggregates announced from the ARIN address blocks: 136083 ARIN Region origin ASes present in the Internet Routing Table: 19254 ARIN Prefixes per ASN: 15.03 ARIN Region origin ASes announcing only one prefix: 7037 ARIN Region transit ASes present in the Internet Routing Table: 2012 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5176 Number of ARIN addresses announced to Internet: 1348417536 Equivalent to 80 /8s, 95 /16s and 56 /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, 393216-402332 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, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 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: 272485 Total RIPE prefixes after maximum aggregation: 132340 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 269922 Unique aggregates announced from the RIPE address blocks: 172290 RIPE Region origin ASes present in the Internet Routing Table: 28862 RIPE Prefixes per ASN: 9.35 RIPE Region origin ASes announcing only one prefix: 12068 RIPE Region transit ASes present in the Internet Routing Table: 3995 Average RIPE Region AS path length visible: 5.3 Max RIPE Region AS path length visible: 45 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12291 Number of RIPE addresses announced to Internet: 732722816 Equivalent to 43 /8s, 172 /16s and 118 /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, 53/8, 57/8, 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: 123676 Total LACNIC prefixes after maximum aggregation: 29215 LACNIC Deaggregation factor: 4.23 Prefixes being announced from the LACNIC address blocks: 120582 Unique aggregates announced from the LACNIC address blocks: 48886 LACNIC Region origin ASes present in the Internet Routing Table: 11207 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2664 LACNIC Region transit ASes present in the Internet Routing Table: 2508 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9149 Number of LACNIC addresses announced to Internet: 173813760 Equivalent to 10 /8s, 92 /16s and 48 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 34858 Total AfriNIC prefixes after maximum aggregation: 6813 AfriNIC Deaggregation factor: 5.12 Prefixes being announced from the AfriNIC address blocks: 47553 Unique aggregates announced from the AfriNIC address blocks: 15048 AfriNIC Region origin ASes present in the Internet Routing Table: 1912 AfriNIC Prefixes per ASN: 24.87 AfriNIC Region origin ASes announcing only one prefix: 698 AfriNIC Region transit ASes present in the Internet Routing Table: 384 Average AfriNIC Region AS path length visible: 6.0 Max AfriNIC Region AS path length visible: 65 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1273 Number of AfriNIC addresses announced to Internet: 104494080 Equivalent to 6 /8s, 58 /16s and 116 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 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 10331 8754 93 CHINAMOBILE-CN China Mobile Communication 7545 6215 843 659 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4813 4192 76 ERX-CERNET-BKB China Education and Resear 9498 4242 530 277 BBIL-AP BHARTI Airtel Ltd., IN 7552 3920 1332 26 VIETEL-AS-AP Viettel Group, VN 7713 3675 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3275 1869 102 VNPT-AS-VN VNPT Corp, VN 24560 2846 855 533 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4766 2353 11522 606 KIXS-AS-KR Korea Telecom, KR 45090 2207 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer 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 12803 39185 3778 AMAZON-02, US 11492 4704 312 566 CABLEONE, US 7155 4175 286 83 VIASAT-SP-BACKBONE, US 6327 3623 1320 81 SHAW, CA 22773 3372 3033 180 ASN-CXA-ALL-CCI-22773-RDC, US 174 3289 8762 929 COGENT-174, US 749 3260 54879 2507 DNIC-AS-00749, US 16625 3004 1275 2201 AKAMAI-AS, US 396982 2935 3660 453 GOOGLE-CLOUD-PLATFORM, US 30036 2582 358 326 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 7758 1714 145 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3948 3395 131 AKAMAI-ASN1, NL 9009 3760 322 1928 M247, RO 12389 2989 2303 895 ROSTELECOM-AS, RU 34984 2367 361 580 TELLCOM-AS, TR 212238 2008 145 1483 CDNEXT, GB 8452 1617 1852 14 TE-AS TE-AS, EG 13188 1606 100 34 TRIOLAN, UA 62240 1489 98 748 CLOUVIDER Clouvider - Global ASN, 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 11783 3235 591 UNINET, MX 10620 3547 492 953 Telmex Colombia S.A., CO 13999 2512 539 370 Mega Cable, S.A. de C.V., MX 11830 1992 369 64 Instituto Costarricense de Electricidad y 28573 1351 2436 268 Claro NXT Telecomunicacoes Ltda, BR 3816 1329 777 211 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1172 371 22 Telefonica del Peru S.A.A., PE 11664 1165 278 33 Techtel LMDS Comunicaciones Interactivas 6503 1130 374 163 Axtel, S.A.B. de C.V., MX 22884 1048 82 371 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 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 1683 599 30 RAYA-AS, EG 24863 1619 389 16 LINKdotNET-AS, EG 29571 1570 99 102 ORANGE-COTE-IVOIRE, CI 36992 1426 1518 286 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1013 523 45 Vodafone-, EG 20011 980 183 284 INTERNET-SOLUTIONS, ZA 37069 847 1083 15 MOBINIL, EG 6713 558 1861 35 IAM-AS, MA 36914 553 82 3 KENET-AS, KE 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 16509 12803 39185 3778 AMAZON-02, US 8151 11783 3235 591 UNINET, MX 9808 10331 8754 93 CHINAMOBILE-CN China Mobile Communication 12479 7758 1714 145 UNI2-AS, ES 7545 6215 843 659 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4813 4192 76 ERX-CERNET-BKB China Education and Resear 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4704 312 566 CABLEONE, US 9498 4242 530 277 BBIL-AP BHARTI Airtel Ltd., IN 7155 4175 286 83 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 8151 11783 11192 UNINET, MX 9808 10331 10238 CHINAMOBILE-CN China Mobile Communications Grou 12479 7758 7613 UNI2-AS, ES 7545 6215 5556 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4813 4737 ERX-CERNET-BKB China Education and Research Net 39891 4797 4735 ALJAWWALSTC-AS, SA 11492 4704 4138 CABLEONE, US 7155 4175 4092 VIASAT-SP-BACKBONE, US 9498 4242 3965 BBIL-AP BHARTI Airtel Ltd., IN 7552 3920 3894 VIETEL-AS-AP Viettel Group, VN 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 22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, 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 3356 LEVEL3, US 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, 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 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 6939 HURRICANE, US 23.140.16.0/24 Origin: 63371 RESERVED, ZZ 23.140.16.0/24 Transit: 10796 TWC-10796-MIDWEST, US 23.140.48.0/24 Origin: 63371 RESERVED, ZZ 23.140.48.0/24 Transit: 7018 ATT-INTERNET4, US 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 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 /9:16 /10:42 /11:92 /12:304 /13:584 /14:1216 /15:2146 /16:13969 /17:8345 /18:13795 /19:24787 /20:44725 /21:52426 /22:112683 /23:101326 /24:599335 /25:688 /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 6712 7758 UNI2-AS, ES 8151 5985 11783 UNINET, MX 11492 3555 4704 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3418 3623 SHAW, CA 7155 3121 4175 VIASAT-SP-BACKBONE, US 22773 2510 3372 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2276 12803 AMAZON-02, US 30036 2242 2582 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2187 3547 Telmex Colombia S.A., CO Complete listing at https://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1668 2:1513 3:576 4:10 5:4534 6:167 7:6 8:1560 9:1 11:172 12:1379 13:350 14:2551 15:350 16:277 17:358 18:918 20:454 21:4 22:188 23:7347 24:2728 25:2 27:2666 29:19 31:3175 32:38 34:78 35:201 36:2422 37:4608 38:8728 39:897 40:153 41:4165 42:952 43:2523 44:350 45:18368 46:4997 47:293 49:1985 50:1892 51:590 52:1570 54:302 55:911 56:9 57:241 58:2161 59:1280 60:1167 61:2793 62:2885 63:1833 64:5499 65:2173 66:4621 67:3049 68:1122 69:3963 70:1104 71:609 72:2879 74:2786 75:1649 76:615 77:2668 78:1856 79:1727 80:2221 81:2012 82:2690 83:1391 84:1811 85:3359 86:1030 87:2408 88:1284 89:4304 90:777 91:8314 92:2802 93:2891 94:3917 95:4244 96:1343 97:318 98:973 99:739 100:71 101:1150 102:3644 103:32322 104:4801 105:758 106:998 107:2594 108:1219 109:4102 110:2232 111:3325 112:2047 113:1531 114:1944 115:2097 116:2049 117:2758 118:2416 119:1929 120:1896 121:1417 122:2771 123:2177 124:1617 125:2901 126:94 128:1559 129:964 130:1273 131:1849 132:794 133:450 134:1532 135:329 136:1310 137:1162 138:2890 139:1610 140:1563 141:1474 142:1824 143:1620 144:1066 145:467 146:2140 147:2068 148:2580 149:2876 150:1222 151:1704 152:2109 153:504 154:7510 155:1599 156:3215 157:1889 158:1262 159:2442 160:3530 161:1924 162:3690 163:1853 164:1700 165:2186 166:1368 167:1878 168:4049 169:794 170:5075 171:1003 172:4342 173:3232 174:915 175:1266 176:3625 177:4685 178:3766 179:2223 180:2575 181:4014 182:3377 183:1824 184:2299 185:21451 186:5078 187:4318 188:4197 189:4205 190:9650 191:1529 192:11179 193:9395 194:7749 195:5514 196:3283 197:3634 198:6193 199:8378 200:8167 201:6292 202:10580 203:10525 204:4560 205:3664 206:4622 207:3585 208:4197 209:5227 210:4806 211:2633 212:4510 213:3750 214:1054 215:42 216:6568 217:3108 218:1389 219:537 220:2101 221:1051 222:849 223:2343 End of report