Weekly Global IPv4 Routing Table Report
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 21 Jun, 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: 986806 Prefixes after maximum aggregation (per Origin AS): 381244 Deaggregation factor: 2.59 Unique aggregates announced (without unneeded subnets): 482827 Number of IPv4 prefixes with a valid ROA: 544483 Number of IPv4 prefixes with an invalid ROA: 1414 Number of IPv4 prefixes with no ROA: 440909 Total ASes present in the Internet Routing Table: 76957 Prefixes per ASN: 12.82 Origin-only ASes present in the Internet Routing Table: 65860 Origin ASes announcing only one prefix: 26879 Transit ASes present in the Internet Routing Table: 11097 Transit-only ASes present in the Internet Routing Table: 559 Average AS path length visible in the Internet Routing Table: 5.2 Max AS path length visible: 80 Max AS path prepend of ASN ( 37447) 75 Prefixes from unregistered ASNs in the Routing Table: 1156 Number of instances of unregistered ASNs: 1202 Number of 32-bit ASNs allocated by the RIRs: 46694 Number of 32-bit ASNs visible in the Routing Table: 38421 Prefixes from 32-bit ASNs in the Routing Table: 204873 Number of bogon 32-bit ASNs visible in the Routing Table: 118 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 447 Number of addresses announced to Internet: 3106923392 Equivalent to 185 /8s, 47 /16s and 227 /24s Percentage of available address space announced: 83.9 Percentage of allocated address space announced: 83.9 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: 323319 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 260272 Total APNIC prefixes after maximum aggregation: 77958 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 251570 Unique aggregates announced from the APNIC address blocks: 104492 APNIC Region origin ASes present in the Internet Routing Table: 14668 APNIC Prefixes per ASN: 17.15 APNIC Region origin ASes announcing only one prefix: 4454 APNIC Region transit ASes present in the Internet Routing Table: 1962 Average APNIC Region AS path length visible: 5.5 Max APNIC Region AS path length visible: 78 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10171 Number of APNIC addresses announced to Internet: 749585664 Equivalent to 44 /8s, 173 /16s and 197 /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: 290319 Total ARIN prefixes after maximum aggregation: 131377 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 292113 Unique aggregates announced from the ARIN address blocks: 139571 ARIN Region origin ASes present in the Internet Routing Table: 19229 ARIN Prefixes per ASN: 15.19 ARIN Region origin ASes announcing only one prefix: 7014 ARIN Region transit ASes present in the Internet Routing Table: 2010 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: 5231 Number of ARIN addresses announced to Internet: 1349715200 Equivalent to 80 /8s, 115 /16s and 5 /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: 275332 Total RIPE prefixes after maximum aggregation: 134898 RIPE Deaggregation factor: 2.04 Prefixes being announced from the RIPE address blocks: 273980 Unique aggregates announced from the RIPE address blocks: 175856 RIPE Region origin ASes present in the Internet Routing Table: 28937 RIPE Prefixes per ASN: 9.47 RIPE Region origin ASes announcing only one prefix: 12066 RIPE Region transit ASes present in the Internet Routing Table: 4010 Average RIPE Region AS path length visible: 5.3 Max RIPE Region AS path length visible: 69 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12509 Number of RIPE addresses announced to Internet: 731197568 Equivalent to 43 /8s, 149 /16s and 48 /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: 124493 Total LACNIC prefixes after maximum aggregation: 29614 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 121035 Unique aggregates announced from the LACNIC address blocks: 48913 LACNIC Region origin ASes present in the Internet Routing Table: 11268 LACNIC Prefixes per ASN: 10.74 LACNIC Region origin ASes announcing only one prefix: 2654 LACNIC Region transit ASes present in the Internet Routing Table: 2538 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 75 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9223 Number of LACNIC addresses announced to Internet: 171320320 Equivalent to 10 /8s, 54 /16s and 36 /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: 35234 Total AfriNIC prefixes after maximum aggregation: 6644 AfriNIC Deaggregation factor: 5.30 Prefixes being announced from the AfriNIC address blocks: 47661 Unique aggregates announced from the AfriNIC address blocks: 13593 AfriNIC Region origin ASes present in the Internet Routing Table: 1925 AfriNIC Prefixes per ASN: 24.76 AfriNIC Region origin ASes announcing only one prefix: 691 AfriNIC Region transit ASes present in the Internet Routing Table: 375 Average AfriNIC Region AS path length visible: 6.0 Max AfriNIC Region AS path length visible: 80 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1287 Number of AfriNIC addresses announced to Internet: 104893952 Equivalent to 6 /8s, 64 /16s and 142 /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 11291 8760 110 CHINAMOBILE-CN China Mobile Communication 7545 6181 846 648 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4804 4192 76 ERX-CERNET-BKB China Education and Resear 9498 4432 535 312 BBIL-AP BHARTI Airtel Ltd., IN 7552 3915 1332 26 VIETEL-AS-AP Viettel Group, VN 7713 3698 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3290 1869 103 VNPT-AS-VN VNPT Corp, VN 24560 2892 856 533 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4766 2326 11520 609 KIXS-AS-KR Korea Telecom, KR 45090 2208 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 13627 40957 5235 AMAZON-02, US 11492 4780 317 603 CABLEONE, US 7155 3857 286 85 VIASAT-SP-BACKBONE, US 6327 3636 1320 81 SHAW, CA 174 3473 8743 858 COGENT-174, US 22773 3349 3032 166 ASN-CXA-ALL-CCI-22773-RDC, US 749 3227 54767 2478 DNIC-AS-00749, US 396982 3192 3854 428 GOOGLE-CLOUD-PLATFORM, US 16625 3001 1256 2220 AKAMAI-AS, US 36352 2823 230 852 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 7672 1713 148 UNI2-AS, ES 39891 4780 291 66 ALJAWWALSTC-AS, SA 20940 3942 3395 126 AKAMAI-ASN1, NL 9009 3896 358 2100 M247, RO 12389 3122 2305 888 ROSTELECOM-AS PJSC Rostelecom. Technical 34984 2402 361 576 TELLCOM-AS, TR 212238 2313 169 1695 CDNEXT, GB 8452 1616 1852 14 TE-AS TE-AS, EG 13188 1606 100 34 TRIOLAN, UA 8551 1421 366 39 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 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 12209 3256 574 UNINET, MX 10620 3505 481 1017 Telmex Colombia S.A., CO 13999 2537 537 354 Mega Cable, S.A. de C.V., MX 11830 1987 369 64 Instituto Costarricense de Electricidad y 28573 1373 2436 266 Claro NXT Telecomunicacoes Ltda, BR 3816 1340 787 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 11664 1208 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1197 371 22 Telefonica del Peru S.A.A., PE 22884 1061 67 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1048 2503 52 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 24835 1820 644 27 RAYA-AS, EG 24863 1621 389 16 LINKdotNET-AS, EG 29571 1607 102 33 ORANGE-COTE-IVOIRE, CI 36992 1431 1519 280 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 37069 1107 1100 18 MOBINIL, EG 36935 1077 523 47 Vodafone-, EG 20011 568 154 212 INTERNET-SOLUTIONS, ZA 36914 568 82 3 KENET-AS, KE 15399 542 57 59 WANANCHI-, 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 13627 40957 5235 AMAZON-02, US 8151 12209 3256 574 UNINET, MX 9808 11291 8760 110 CHINAMOBILE-CN China Mobile Communication 12479 7672 1713 148 UNI2-AS, ES 7545 6181 846 648 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4804 4192 76 ERX-CERNET-BKB China Education and Resear 11492 4780 317 603 CABLEONE, US 39891 4780 291 66 ALJAWWALSTC-AS, SA 9498 4432 535 312 BBIL-AP BHARTI Airtel Ltd., IN 20940 3942 3395 126 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 8151 12209 11635 UNINET, MX 9808 11291 11181 CHINAMOBILE-CN China Mobile Communications Grou 12479 7672 7524 UNI2-AS, ES 7545 6181 5533 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4804 4728 ERX-CERNET-BKB China Education and Research Net 39891 4780 4714 ALJAWWALSTC-AS, SA 11492 4780 4177 CABLEONE, US 9498 4432 4120 BBIL-AP BHARTI Airtel Ltd., IN 7552 3915 3889 VIETEL-AS-AP Viettel Group, VN 20940 3942 3816 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 22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 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 395195 UNALLOCATED 8.38.115.0/24 33132 CROWNCASTLE-AS33132, 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 23.147.240.0/24 Origin: 32302 RESERVED, ZZ 23.147.240.0/24 Transit: 32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE 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 /9:14 /10:41 /11:92 /12:300 /13:582 /14:1200 /15:2131 /16:13857 /17:8324 /18:13595 /19:24774 /20:44798 /21:52169 /22:112422 /23:102942 /24:608754 /25:795 /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 6594 7672 UNI2-AS, ES 8151 6425 12209 UNINET, MX 11492 3576 4780 CABLEONE, US 39891 3489 4780 ALJAWWALSTC-AS, SA 6327 3431 3636 SHAW, CA 7155 2816 3857 VIASAT-SP-BACKBONE, US 22773 2501 3349 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2346 13627 AMAZON-02, US 30036 2254 2595 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2192 3505 Telmex Colombia S.A., CO Complete listing at https://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1738 2:1505 3:824 4:10 5:4749 6:162 7:6 8:1595 9:1 11:172 12:1346 13:451 14:2564 15:363 16:285 17:377 18:918 20:548 21:4 22:188 23:7593 24:2816 25:2 27:2712 29:19 31:3297 32:38 33:1 34:80 35:255 36:3164 37:4586 38:9390 39:908 40:169 41:4286 42:954 43:2593 44:378 45:18630 46:5107 47:321 49:1957 50:1884 51:592 52:1564 54:319 55:1077 56:11 57:272 58:2149 59:1344 60:1171 61:2804 62:2936 63:1799 64:5470 65:2169 66:4649 67:3066 68:1122 69:3850 70:1071 71:624 72:2860 74:2793 75:1506 76:626 77:2738 78:1884 79:1714 80:2223 81:2062 82:3168 83:1444 84:1875 85:3459 86:1082 87:2372 88:1310 89:4408 90:770 91:8408 92:2721 93:2920 94:4036 95:4383 96:1429 97:311 98:981 99:687 100:72 101:1188 102:3866 103:32281 104:5156 105:762 106:1044 107:2663 108:1255 109:4106 110:2232 111:3347 112:2131 113:1547 114:1999 115:2139 116:2066 117:2534 118:2364 119:1941 120:2075 121:1427 122:2802 123:2192 124:1640 125:2898 126:91 128:1590 129:957 130:1300 131:2041 132:783 133:451 134:1541 135:346 136:1347 137:1174 138:2859 139:1569 140:1623 141:1504 142:1903 143:1862 144:1168 145:545 146:2182 147:2109 148:2696 149:2918 150:1259 151:1967 152:2087 153:524 154:7343 155:1754 156:2873 157:1910 158:1330 159:2498 160:3575 161:1852 162:3853 163:2217 164:1831 165:1995 166:1496 167:1978 168:3993 169:791 170:5142 171:1009 172:4451 173:3340 174:921 175:1296 176:3715 177:4766 178:3743 179:2318 180:2636 181:4088 182:3459 183:1834 184:2077 185:21559 186:5182 187:4600 188:4263 189:4329 190:9584 191:1492 192:11313 193:9483 194:7812 195:5550 196:3282 197:3250 198:6199 199:8540 200:8225 201:6393 202:10488 203:10592 204:4573 205:3664 206:4487 207:3586 208:4277 209:5169 210:4859 211:2644 212:4591 213:3751 214:1030 215:48 216:6751 217:3186 218:1412 219:559 220:2138 221:1146 222:857 223:2508 End of report
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