yahoo.com
One organisation, resolved across 3 separately-registered clusters
linked by shared operating domain yahoo.com — not name similarity, so
genuinely different organisations that share a name are excluded.
Data as of 2026-10-25
3 clusters ·
4,445 netblocks ·
31,672,992 IPv4 addresses ·
304 IPv6 prefixes
IPv6 ranges (304)
- 2602::/24
- 2600:2400::/29
- 2001:428::/32
- 2001:460::/32
- 2001:4998::/32
- 2001:49a0::/32
- 2001:49a8::/32
- 2001:4b0::/32
- 2406:2000::/32
- 2406:6e00::/32
- 2604:8c0::/32
- 2606:5000::/32
- 2607:f288::/32
- 2804:1bc::/32
- 2a00:1288::/32
- 2a03:cd00::/32
- 2001:4998:f000::/36
- 2606:5000:1200::/39
- 2606:5000:1600::/39
- 2606:5000:1800::/39
- 2606:5000:1a00::/39
- 2606:5000:2000::/39
- 2606:5000:200::/39
- 2606:5000:2400::/39
- 2606:5000:2600::/39
- 2606:5000:2e00::/39
- 2606:5000:3000::/39
- 2606:5000:3400::/39
- 2606:5000:3600::/39
- 2606:5000:3800::/39
- 2606:5000:3a00::/39
- 2606:5000:4000::/39
- 2606:5000:400::/39
- 2606:5000:4200::/39
- 2606:5000:4400::/39
- 2606:5000:4a00::/39
- 2606:5000:4c00::/39
- 2606:5000:5a00::/39
- 2606:5000:600::/39
- 2606:5000:800::/39
- 2606:5000::/39
- 2606:5000:a00::/39
- 2606:5000:e00::/39
- 2602:814:9000::/44
- 2620:113:7000::/44
- 2001:460:100::/46
- 2001:460:78::/46
- 2001:4998:124::/46
- 2001:4998:194::/46
- 2001:4998:198::/46
- 2001:4998:19c::/46
- 2001:4998:24::/46
- 2001:4998:44::/46
- 2001:4998:58::/46
- 2001:4998:c::/46
- 2406:2000:1ac::/46
- 2406:2000:e4::/46
- 2406:2000:fc::/46
- 2620:13d:2060::/46
- 2a00:1288:110::/46
- 2a00:1288:1a8::/46
- 2001:428:b20::/48
- 2001:428:b21::/48
- 2001:43f8:1140::/48
- 2001:43f8:1141::/48
- 2001:4998:124::/48
- 2001:4998:14::/48
- 2001:4998:15c::/48
- 2001:4998:160::/48
- 2001:4998:170::/48
- 2001:4998:180::/48
- 2001:4998:18::/48
- 2001:4998:194::/48
- 2001:4998:198::/48
- 2001:4998:19c::/48
- 2001:4998:1b0::/48
- 2001:4998:1c0::/48
- 2001:4998:1c::/48
- 2001:4998:20::/48
- 2001:4998:24::/48
- 2001:4998:28::/48
- 2001:4998:3c::/48
- 2001:4998:44::/48
- 2001:4998:58::/48
- 2001:4998:60::/48
- 2001:4998:64::/48
- 2001:4998:68::/48
- 2001:4998:c::/48
- 2001:4998:ef60::/48
- 2001:4998:ef61::/48
- 2001:4998:ef6b::/48
- 2001:4998:ef6c::/48
- 2001:4998:ef6f::/48
- 2001:4998:ef84::/48
- 2001:4998:ef99::/48
- 2001:4998:efeb::/48
- 2001:4998:eff5::/48
- 2001:4998:f00e::/48
- 2001:df0:ed::/48
- 2406:2000:1ac::/48
- 2406:2000:1d0::/48
- 2406:2000:98::/48
- 2406:2000:a0::/48
- 2406:2000:a4::/48
- 2406:2000:a8::/48
- 2406:2000:e4::/48
- 2406:2000:ef67::/48
- 2406:2000:ef69::/48
- 2406:2000:efa6::/48
- 2406:2000:efbc::/48
- 2406:2000:efbe::/48
- 2406:2000:f01e::/48
- 2406:2000:ff90::/48
- 2406:2000:ff91::/48
- 2406:2000:ff92::/48
- 2406:6e00:1::/48
- 2406:6e00:2::/48
- 2406:6e00::/48
- 2406:6e00:ef98::/48
- 2406:6e00:f048::/48
- 2406:8600:f03f::/48
- 2406:8600:f040::/48
- 2406:8600:f83f::/48
- 2406:8600:f840::/48
- 2620:0:960::/48
- 2804:1bc:f026::/48
- 2804:1bc:f046::/48
- 2804:1bc:ff90::/48
- 2804:1bc:ff91::/48
- 2804:1bc:ff92::/48
- 2a00:1288:110::/48
- 2a00:1288:111::/48
- 2a00:1288:1a8::/48
- 2a00:1288:7c::/48
- 2a00:1288:80::/48
- 2a00:1288:84::/48
- 2a00:1288:88::/48
- 2a00:1288:ef6a::/48
- 2a00:1288:ef83::/48
- 2a00:1288:ef98::/48
- 2a00:1288:ef9b::/48
- 2a00:1288:efc1::/48
- 2a00:1288:f032::/48
- 2a00:1288:f033::/48
- 2a00:1288:f035::/48
- 2a00:1288:f036::/48
- 2a00:1288:f037::/48
- 2a00:1288:f03c::/48
- 2a00:1288:f03d::/48
- 2a00:1288:f03e::/48
- 2a00:1288:f043::/48
- 2001:1900:2200:4e00::/56
- 2001:12f8::218:22/128
- 2001:12f8::218:31/128
- 2001:43f8:6d0::9:72/128
- 2001:43f8:6d0::9:73/128
- 2001:504:0:10:0:1:310:1/128
- 2001:504:0:10:0:1:310:2/128
- 2001:504:0:1:0:1:310:1/128
- 2001:504:0:1:0:1:310:2/128
- 2001:504:0:2:0:1:310:1/128
- 2001:504:0:2:0:1:310:2/128
- 2001:504:0:2:0:1:310:3/128
- 2001:504:0:2:0:1:310:4/128
- 2001:504:0:3:0:1:310:1/128
- 2001:504:0:4:0:1:310:1/128
- 2001:504:0:4:0:1:310:2/128
- 2001:504:0:5:0:1:310:1/128
- 2001:504:0:5:0:1:310:2/128
- 2001:504:0:6:0:1:310:1/128
- 2001:504:0:6:0:1:310:2/128
- 2001:504:12::1:310:1/128
- 2001:504:12::23/128
- 2001:504:13:1::34/128
- 2001:504:13:1::35/128
- 2001:504:13::195/128
- 2001:504:13::211:120/128
- 2001:504:16::2846/128
- 2001:504:16::306:0:2846/128
- 2001:504:17:110::233/128
- 2001:504:17:110::234/128
- 2001:504:17:115::19/128
- 2001:504:1::a501:310:1/128
- 2001:504:1a::35:40/128
- 2001:504:1a::35:41/128
- 2001:504:1b:1::35/128
- 2001:504:1b:1::45/128
- 2001:504:27::2846:0:1/128
- 2001:504:27::2846:0:2/128
- 2001:504:30::ba01:310:1/128
- 2001:504:30::ba01:310:2/128
- 2001:504:31::2846:1/128
- 2001:504:31::2846:2/128
- 2001:504:36::2846:0:1/128
- 2001:504:36::2846:0:2/128
- 2001:504:39::79/128
- 2001:504:39::80/128
- 2001:504:40:108::1:22/128
- 2001:504:40:108::1:84/128
- 2001:504:41:110::39/128
- 2001:504:47::2846:0:1/128
- 2001:504:47::2846:0:2/128
- 2001:504:58::18/128
- 2001:504:61::2846:0:1/128
- 2001:504:61::2846:0:2/128
- 2001:504:a::a501:310:1/128
- 2001:504:a::a501:310:2/128
- 2001:504:d::1:310:1/128
- 2001:504:d::87/128
- 2001:504:f::18/128
- 2001:504:f::d6/128
- 2001:67c:29f0::1:310:1/128
- 2001:7f8:13::a501:310:10/128
- 2001:7f8:13::a501:310:9/128
- 2001:7f8:14::6a:1/128
- 2001:7f8:14::6a:2/128
- 2001:7f8:17::2846:1/128
- 2001:7f8:17::2846:2/128
- 2001:7f8:18:12::65/128
- 2001:7f8:18::77/128
- 2001:7f8:19:1::2846:1/128
- 2001:7f8:19:1::2846:2/128
- 2001:7f8:1::a501:310:1/128
- 2001:7f8:1::a501:310:2/128
- 2001:7f8:23:ffff::98/128
- 2001:7f8:30:0:2:1:1:310/128
- 2001:7f8:30:0:2:2:1:310/128
- 2001:7f8:36::2846:0:1/128
- 2001:7f8:36::2846:0:2/128
- 2001:7f8:3e:0:a500:1:310:1/128
- 2001:7f8:3e:0:a500:1:310:2/128
- 2001:7f8:43::1:310:1/128
- 2001:7f8:4::2846:1/128
- 2001:7f8:4::2846:2/128
- 2001:7f8:54:5::52/128
- 2001:7f8:54:5::53/128
- 2001:7f8:54::1:5/128
- 2001:7f8:58::2846:0:1/128
- 2001:7f8:58::2846:0:2/128
- 2001:7f8:64:225:0:1:310:1/128
- 2001:7f8:64:225:0:1:310:2/128
- 2001:7f8:7f::120/128
- 2001:7f8:8:20:0:2846:0:1/128
- 2001:7f8:8f::a501:310:1/128
- 2001:7f8:8f::a501:310:2/128
- 2001:7f8::2846:0:1/128
- 2001:7f8::2846:0:2/128
- 2001:7f8:a0::2846:0:1/128
- 2001:7f8:a0::2846:0:2/128
- 2001:7f8:a:1::130/128
- 2001:7f8:b6::2846:1/128
- 2001:7f8:b6::2846:2/128
- 2001:7f8:b:100:1d1:a5d1:310:28/128
- 2001:7f8:b:100:1d1:a5d1:310:29/128
- 2001:7f8:c0::1:310:1/128
- 2001:7f8:c0::1:310:2/128
- 2001:7f8:c1::1:310:1/128
- 2001:7f8:c1::1:310:2/128
- 2001:7f8:c3::1:310:1/128
- 2001:7f8:c3::1:310:2/128
- 2001:7f8:d:fe::30/128
- 2001:7f8:d:ff::30/128
- 2001:7f8:f:1::99/128
- 2001:7f8:f::99/128
- 2001:7fa:0:1::ca28:a1b7/128
- 2001:7fa:0:1::ca28:a1b8/128
- 2001:7fa:11:4:0:4431:0:1/128
- 2001:7fa:11:4:0:4431:0:2/128
- 2001:7fa:7:1:0:1:310:1/128
- 2001:7fa:7:1:0:1:310:2/128
- 2001:de8:10::f2/128
- 2001:de8:12:100::105/128
- 2001:de8:12:100::37/128
- 2001:de8:4::1:310:1/128
- 2001:de8:4::1:310:2/128
- 2001:de8:5::1:310:1/128
- 2001:de8:5::1:310:2/128
- 2001:de8:6::1:310:1/128
- 2001:de8:6::1:310:2/128
- 2001:de8:7::1:310:1/128
- 2001:de8:7::1:310:4/128
- 2001:de8:8::1:310:1/128
- 2001:de8:8::1:310:2/128
- 2001:de8:c::1:310:1/128
- 2001:de8:c::1:310:2/128
- 2001:dea:0:10::118/128
- 2001:dea:0:10::90/128
- 2001:ded::1e/128
- 2001:df0:296::a501:310:1/128
- 2001:df5:b800:bb00:0:1:310:3/128
- 2001:df5:b800:bb00:0:1:310:4/128
- 2001:df6:480::2846:0:1/128
- 2403:c780:b800:bb00:0:1:310:1/128
- 2403:c780:b800:bb00:0:1:310:2/128
- 2404:b0:13:b:0:1:310:1/128
- 2406:d400:1:133:203:163:222:36/128
- 2406:d400:1:133:203:163:222:37/128
- 2605:6c00:303:303::25/128
- 2605:6c00:303:303::38/128
- 2606:a980:0:3::e/128
- 2606:a980:0:7::d/128
- 2620:124:2000::111/128
- 2620:124:2000::112/128
- 2a02:d10:80::22/128
Member clusters
- CenturyLink Communications, LLC US-LA 3,713 netblocks
- Yahoo Holdings Inc. 938 netblocks
- Yahoo-UK Limited 78 netblocks