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 22 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: 979249 Prefixes after maximum aggregation (per Origin AS): 374952 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 475848 Number of IPv4 prefixes with a valid ROA: 533224 Number of IPv4 prefixes with an invalid ROA: 1382 Number of IPv4 prefixes with no ROA: 444643 Total ASes present in the Internet Routing Table: 76757 Prefixes per ASN: 12.76 Origin-only ASes present in the Internet Routing Table: 65728 Origin ASes announcing only one prefix: 26856 Transit ASes present in the Internet Routing Table: 11029 Transit-only ASes present in the Internet Routing Table: 540 Average AS path length visible in the Internet Routing Table: 5.2 Max AS path length visible: 204 Max AS path prepend of ASN (273039) 200 Prefixes from unregistered ASNs in the Routing Table: 1031 Number of instances of unregistered ASNs: 1040 Number of 32-bit ASNs allocated by the RIRs: 46126 Number of 32-bit ASNs visible in the Routing Table: 38026 Prefixes from 32-bit ASNs in the Routing Table: 200186 Number of bogon 32-bit ASNs visible in the Routing Table: 48 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 514 Number of addresses announced to Internet: 3109499648 Equivalent to 185 /8s, 87 /16s and 51 /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: 321665 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 256804 Total APNIC prefixes after maximum aggregation: 76839 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 248534 Unique aggregates announced from the APNIC address blocks: 102716 APNIC Region origin ASes present in the Internet Routing Table: 14594 APNIC Prefixes per ASN: 17.03 APNIC Region origin ASes announcing only one prefix: 4442 APNIC Region transit ASes present in the Internet Routing Table: 1954 Average APNIC Region AS path length visible: 5.4 Max APNIC Region AS path length visible: 50 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10072 Number of APNIC addresses announced to Internet: 749746944 Equivalent to 44 /8s, 176 /16s and 59 /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: 289733 Total ARIN prefixes after maximum aggregation: 128678 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 290436 Unique aggregates announced from the ARIN address blocks: 136765 ARIN Region origin ASes present in the Internet Routing Table: 19239 ARIN Prefixes per ASN: 15.10 ARIN Region origin ASes announcing only one prefix: 7018 ARIN Region transit ASes present in the Internet Routing Table: 2003 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: 5173 Number of ARIN addresses announced to Internet: 1350438656 Equivalent to 80 /8s, 126 /16s and 15 /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: 272845 Total RIPE prefixes after maximum aggregation: 132748 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 271011 Unique aggregates announced from the RIPE address blocks: 173507 RIPE Region origin ASes present in the Internet Routing Table: 28876 RIPE Prefixes per ASN: 9.39 RIPE Region origin ASes announcing only one prefix: 12049 RIPE Region transit ASes present in the Internet Routing Table: 3991 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: 12332 Number of RIPE addresses announced to Internet: 732450560 Equivalent to 43 /8s, 168 /16s and 79 /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: 123983 Total LACNIC prefixes after maximum aggregation: 29282 LACNIC Deaggregation factor: 4.23 Prefixes being announced from the LACNIC address blocks: 120620 Unique aggregates announced from the LACNIC address blocks: 48855 LACNIC Region origin ASes present in the Internet Routing Table: 11214 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2654 LACNIC Region transit ASes present in the Internet Routing Table: 2502 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 204 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9173 Number of LACNIC addresses announced to Internet: 171611392 Equivalent to 10 /8s, 58 /16s and 149 /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: 34853 Total AfriNIC prefixes after maximum aggregation: 6770 AfriNIC Deaggregation factor: 5.15 Prefixes being announced from the AfriNIC address blocks: 48134 Unique aggregates announced from the AfriNIC address blocks: 13576 AfriNIC Region origin ASes present in the Internet Routing Table: 1914 AfriNIC Prefixes per ASN: 25.15 AfriNIC Region origin ASes announcing only one prefix: 693 AfriNIC Region transit ASes present in the Internet Routing Table: 381 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: 1276 Number of AfriNIC addresses announced to Internet: 105002240 Equivalent to 6 /8s, 66 /16s and 53 /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 10333 8754 93 CHINAMOBILE-CN China Mobile Communication 7545 6210 843 654 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4781 4192 76 ERX-CERNET-BKB China Education and Resear 9498 4266 530 277 BBIL-AP BHARTI Airtel Ltd., IN 7552 3911 1332 26 VIETEL-AS-AP Viettel Group, VN 7713 3675 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3277 1869 103 VNPT-AS-VN VNPT Corp, VN 24560 2843 847 540 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4766 2348 11520 602 KIXS-AS-KR Korea Telecom, KR 45090 2205 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 12895 39636 3992 AMAZON-02, US 11492 4675 310 585 CABLEONE, US 7155 4174 286 83 VIASAT-SP-BACKBONE, US 6327 3623 1320 81 SHAW, CA 174 3510 8765 949 COGENT-174, US 22773 3376 3033 180 ASN-CXA-ALL-CCI-22773-RDC, US 749 3259 54879 2506 DNIC-AS-00749, US 16625 3014 1267 2208 AKAMAI-AS, US 396982 2943 3660 456 GOOGLE-CLOUD-PLATFORM, US 36352 2571 213 807 AS-COLOCROSSING, 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 7751 1714 145 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3939 3395 130 AKAMAI-ASN1, NL 9009 3771 325 1955 M247, RO 12389 3011 2303 891 ROSTELECOM-AS, RU 34984 2368 360 584 TELLCOM-AS, TR 212238 2043 145 1502 CDNEXT, GB 8452 1613 1852 14 TE-AS TE-AS, EG 13188 1606 100 34 TRIOLAN, UA 62240 1488 98 746 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 11834 3240 584 UNINET, MX 10620 3523 486 970 Telmex Colombia S.A., CO 13999 2507 539 368 Mega Cable, S.A. de C.V., MX 11830 1993 369 64 Instituto Costarricense de Electricidad y 28573 1351 2437 265 Claro NXT Telecomunicacoes Ltda, BR 3816 1329 781 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1193 371 22 Telefonica del Peru S.A.A., PE 11664 1164 278 33 Techtel LMDS Comunicaciones Interactivas 6503 1067 359 174 Axtel, S.A.B. de C.V., MX 22884 1049 67 376 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 1703 599 30 RAYA-AS, EG 24863 1621 389 16 LINKdotNET-AS, EG 29571 1564 102 23 ORANGE-COTE-IVOIRE, CI 36992 1426 1518 286 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1006 521 42 Vodafone-, EG 20011 980 183 284 INTERNET-SOLUTIONS, ZA 37069 859 1083 15 MOBINIL, EG 6713 562 1861 35 IAM-AS, MA 36914 543 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 12895 39636 3992 AMAZON-02, US 8151 11834 3240 584 UNINET, MX 9808 10333 8754 93 CHINAMOBILE-CN China Mobile Communication 12479 7751 1714 145 UNI2-AS, ES 7545 6210 843 654 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 293 62 ALJAWWALSTC-AS, SA 4538 4781 4192 76 ERX-CERNET-BKB China Education and Resear 11492 4675 310 585 CABLEONE, US 9498 4266 530 277 BBIL-AP BHARTI Airtel Ltd., IN 7155 4174 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 11834 11250 UNINET, MX 9808 10333 10240 CHINAMOBILE-CN China Mobile Communications Grou 12479 7751 7606 UNI2-AS, ES 7545 6210 5556 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 4538 4781 4705 ERX-CERNET-BKB China Education and Research Net 7155 4174 4091 VIASAT-SP-BACKBONE, US 11492 4675 4090 CABLEONE, US 9498 4266 3989 BBIL-AP BHARTI Airtel Ltd., IN 7552 3911 3885 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 23.140.216.0/24 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 23.152.48.0/24 Origin: 46167 RESERVED, ZZ 23.152.48.0/24 Transit: 7018 ATT-INTERNET4, US 23.155.208.0/24 Origin: 396169 AS-GHCIL-01, US 23.155.208.0/24 Transit: 35985 ONERINGNET-ATL-1, 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 /10:41 /11:93 /12:303 /13:583 /14:1216 /15:2148 /16:13982 /17:8357 /18:13804 /19:24838 /20:44583 /21:52217 /22:112462 /23:101556 /24:602236 /25:798 /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 6684 7751 UNI2-AS, ES 8151 6036 11834 UNINET, MX 11492 3528 4675 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3418 3623 SHAW, CA 7155 3121 4174 VIASAT-SP-BACKBONE, US 22773 2515 3376 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2313 12895 AMAZON-02, US 30036 2213 2553 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2185 3523 Telmex Colombia S.A., CO Complete listing at https://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1693 2:1512 3:598 4:10 5:4534 6:163 7:6 8:1556 9:1 11:172 12:1375 13:346 14:2548 15:351 16:279 17:363 18:919 20:463 21:4 22:188 23:7332 24:3026 25:2 27:2687 29:19 31:3207 32:40 34:79 35:205 36:2415 37:4702 38:8858 39:898 40:155 41:4209 42:944 43:2549 44:355 45:18453 46:4974 47:290 49:1993 50:1891 51:591 52:1552 54:299 55:1074 56:9 57:251 58:2136 59:1312 60:1169 61:2788 62:2899 63:1838 64:5487 65:2172 66:4615 67:3012 68:1119 69:3966 70:1109 71:613 72:2857 74:2813 75:1656 76:616 77:2699 78:1859 79:1736 80:2208 81:2018 82:2865 83:1394 84:1819 85:3369 86:1041 87:2402 88:1284 89:4330 90:782 91:8319 92:2787 93:2892 94:4018 95:4249 96:1424 97:314 98:994 99:737 100:71 101:1070 102:3652 103:32236 104:4815 105:732 106:999 107:2589 108:1211 109:4121 110:2232 111:3343 112:2041 113:1523 114:1948 115:2093 116:2044 117:2745 118:2420 119:1922 120:1894 121:1411 122:2756 123:2177 124:1616 125:2884 126:88 128:1557 129:965 130:1279 131:1882 132:783 133:451 134:1529 135:329 136:1276 137:1158 138:2884 139:1610 140:1559 141:1478 142:1822 143:1641 144:1059 145:480 146:2162 147:2095 148:2616 149:2897 150:1247 151:2033 152:2104 153:504 154:7902 155:1614 156:3322 157:1893 158:1273 159:2429 160:3543 161:1936 162:3703 163:1934 164:1698 165:2199 166:1414 167:1883 168:4057 169:791 170:5102 171:1002 172:4466 173:3224 174:912 175:1263 176:3676 177:4749 178:3820 179:2360 180:2576 181:4048 182:3372 183:1827 184:2295 185:21491 186:5124 187:4381 188:4217 189:4205 190:9627 191:1544 192:11175 193:9430 194:7773 195:5540 196:3250 197:3664 198:6189 199:8407 200:8142 201:6298 202:10560 203:10533 204:4542 205:3667 206:4636 207:3563 208:4193 209:5196 210:4800 211:2619 212:4518 213:3747 214:1054 215:48 216:6582 217:3090 218:1379 219:540 220:2082 221:1066 222:851 223:2340 End of report