extendcp.co.uk
One organisation, resolved across 2 separately-registered clusters
linked by shared operating domain extendcp.co.uk — not name similarity, so
genuinely different organisations that share a name are excluded.
Data as of 2026-11-01
2 clusters ·
1,310 netblocks ·
582,134 IPv4 addresses ·
306 IPv6 prefixes
IPv6 ranges (306)
- 2a00:1168::/29
- 2a04:4fc0::/30
- 2001:1520::/32
- 2001:4d08::/32
- 2a00:1158::/32
- 2a00:1e78::/32
- 2a01:488::/32
- 2a01:93c0::/32
- 2a01:9760::/32
- 2a01:9cc0::/32
- 2a01:b860::/32
- 2a01:e840::/32
- 2a02:46c0::/32
- 2a02:4e8::/32
- 2a02:5140::/32
- 2a02:718::/32
- 2001:1520:100::/40
- 2a00:1169:100::/40
- 2a00:1169::/40
- 2a00:116a:100::/40
- 2603:5:2100::/44
- 2603:5:2110::/44
- 2603:5:2120::/44
- 2603:5:2130::/44
- 2603:5:2140::/44
- 2603:5:2150::/44
- 2603:5:2160::/44
- 2603:5:2170::/44
- 2603:5:2180::/44
- 2603:5:2190::/44
- 2603:5:21a0::/44
- 2603:5:21b0::/44
- 2603:5:21c0::/44
- 2603:5:21d0::/44
- 2603:5:21e0::/44
- 2603:5:21f0::/44
- 2603:5:2200::/44
- 2603:5:2210::/44
- 2603:5:2220::/44
- 2603:5:2230::/44
- 2603:5:2240::/44
- 2603:5:2250::/44
- 2603:5:2260::/44
- 2603:5:2270::/44
- 2603:5:2280::/44
- 2603:5:2290::/44
- 2603:5:22a0::/44
- 2603:5:22b0::/44
- 2603:5:22c0::/44
- 2603:5:22d0::/44
- 2603:5:22e0::/44
- 2603:5:22f0::/44
- 2603:5:2f00::/44
- 2607:f208:d310::/44
- 2001:1520:101::/48
- 2001:1520:3::/48
- 2001:1520:6::/48
- 2001:1520:9::/48
- 2001:67c:1164::/48
- 2001:67c:308::/48
- 2603:4:1002::/48
- 2603:4:1003::/48
- 2603:4:1004::/48
- 2603:4:1005::/48
- 2603:4:100e::/48
- 2603:4:100f::/48
- 2603:4:1012::/48
- 2603:4:1013::/48
- 2603:4:1016::/48
- 2603:4:1017::/48
- 2603:4:1018::/48
- 2603:4:1019::/48
- 2603:4:101a::/48
- 2603:4:101b::/48
- 2603:4:101c::/48
- 2603:4:101d::/48
- 2603:4:101e::/48
- 2603:4:101f::/48
- 2603:4:1021::/48
- 2603:4:1022::/48
- 2603:4:1023::/48
- 2603:4:1024::/48
- 2603:4:102a::/48
- 2603:4:102b::/48
- 2603:4:1500::/48
- 2603:4:1504::/48
- 2607:f208:7003::/48
- 2607:f208:d320::/48
- 2607:f208:d328::/48
- 2607:f208:df05::/48
- 2607:f208:df07::/48
- 2607:f208:df09::/48
- 2607:f208:df0b::/48
- 2607:f208:df0d::/48
- 2a00:1168:101::/48
- 2a00:2381:3e98::/48
- 2a01:488:bb00::/48
- 2a01:488:bb02::/48
- 2a01:488:bb03::/48
- 2a01:488:bb05::/48
- 2a01:e840:2::/48
- 2a01:e840:3::/48
- 2a01:e840:4::/48
- 2001:1520:1:200::104/128
- 2001:1520:1:200::105/128
- 2001:1520:1:200::107/128
- 2001:1520:1:200::108/128
- 2001:1520:1:200::109/128
- 2001:1520:1:200::10a/128
- 2001:1520:1:200::10b/128
- 2001:1520:1:200::10c/128
- 2001:1520:1:200::10d/128
- 2001:1520:1:200::10e/128
- 2001:1520:1:200::10f/128
- 2001:1520:1:200::110/128
- 2001:1520:1:200::111/128
- 2001:1520:1:200::112/128
- 2001:1520:1:200::113/128
- 2001:1520:1:200::114/128
- 2001:1520:1:200::115/128
- 2001:1520:1:200::116/128
- 2001:1520:1:200::117/128
- 2001:1520:1:200::118/128
- 2001:1520:1:200::119/128
- 2001:1520:1:200::11a/128
- 2001:1520:1:200::11b/128
- 2001:1520:1:200::11c/128
- 2001:1520:1:200::11d/128
- 2001:1520:1:200::11e/128
- 2001:1520:1:200::11f/128
- 2001:1520:1:200::120/128
- 2001:1520:1:200::121/128
- 2001:1520:1:200::122/128
- 2001:1520:1:200::123/128
- 2001:1520:1:200::124/128
- 2001:1520:1:200::125/128
- 2001:1520:1:200::126/128
- 2001:1520:1:200::127/128
- 2001:1520:1:200::128/128
- 2001:1520:1:200::129/128
- 2001:1520:1:200::12a/128
- 2001:1520:1:200::12b/128
- 2001:1520:1:200::12c/128
- 2001:1520:1:200::12e/128
- 2001:1520:1:200::12f/128
- 2001:1520:1:200::131/128
- 2001:1520:1:200::132/128
- 2001:1520:1:200::134/128
- 2001:1520:1:200::135/128
- 2001:1520:1:200::137/128
- 2001:1520:1:200::138/128
- 2001:1520:1:200::13a/128
- 2001:1520:1:200::13b/128
- 2001:1520:1:200::13c/128
- 2001:1520:1:200::13e/128
- 2001:1520:1:200::13f/128
- 2001:1520:1:200::140/128
- 2001:1520:1:200::141/128
- 2001:1520:1:200::142/128
- 2001:1520:1:200::143/128
- 2001:1520:1:200::144/128
- 2001:1520:1:200::146/128
- 2001:1520:1:200::147/128
- 2001:1520:1:200::148/128
- 2001:1520:1:200::149/128
- 2001:1520:1:200::14a/128
- 2001:1520:1:200::14b/128
- 2001:1520:1:200::14c/128
- 2001:1520:1:200::14f/128
- 2001:1520:1:200::150/128
- 2001:1520:1:200::152/128
- 2001:1520:1:200::157/128
- 2001:1520:1:200::159/128
- 2001:1520:1:200::204/128
- 2001:1520:1:200::309/128
- 2001:1520:1:200::30c/128
- 2001:1520:1:200::30e/128
- 2001:1520:1:200::30f/128
- 2001:1520:1:200::310/128
- 2001:1520:1:200::311/128
- 2001:1520:1:200::313/128
- 2001:1520:1:200::316/128
- 2001:1520:1:200::317/128
- 2001:1520:1:200::318/128
- 2001:1520:1:200::31e/128
- 2001:1520:1:200::322/128
- 2001:1520:1:200::324/128
- 2001:1520:1:200::327/128
- 2001:1520:1:200::32c/128
- 2001:1520:1:200::332/128
- 2001:1520:1:200::335/128
- 2001:1520:1:200::336/128
- 2001:1520:1:200::337/128
- 2001:1520:1:200::33b/128
- 2001:1520:1:200::33d/128
- 2001:1520:1:200::33f/128
- 2001:1520:1:200::341/128
- 2001:1520:1:200::342/128
- 2001:1520:1:200::345/128
- 2001:1520:1:200::346/128
- 2001:1520:1:200::348/128
- 2001:1520:1:200::34b/128
- 2001:1520:1:200::34c/128
- 2001:1520:1:200::351/128
- 2001:1520:1:200::358/128
- 2001:1520:1:200::35d/128
- 2001:1520:1:200::361/128
- 2001:1520:1:200::367/128
- 2001:1520:1:200::368/128
- 2001:1520:1:200::369/128
- 2001:1520:1:200::36f/128
- 2001:1520:1:200::371/128
- 2001:1520:1:200::373/128
- 2001:1520:1:200::378/128
- 2001:1520:1:200::500/128
- 2001:1520:1:200::501/128
- 2001:1520:1:200::502/128
- 2001:1520:1:200::506/128
- 2001:1520:1:200::507/128
- 2001:1520:1:200::508/128
- 2001:1520:1:200::509/128
- 2001:1520:1:200::50c/128
- 2001:1520:1:200::50d/128
- 2001:1520:1:200::512/128
- 2001:1520:1:200::515/128
- 2001:1520:1:200::518/128
- 2001:1520:1:200::51a/128
- 2001:1520:1:200::51b/128
- 2001:1520:1:200::51c/128
- 2001:1520:1:200::51d/128
- 2001:1520:1:200::525/128
- 2001:1520:1:200::527/128
- 2001:1520:1:200::529/128
- 2001:1520:1:200::52c/128
- 2001:1520:1:200::530/128
- 2001:1520:1:200::531/128
- 2001:1520:1:200::532/128
- 2001:1520:1:200::535/128
- 2001:1520:1:200::537/128
- 2001:1520:1:200::53b/128
- 2001:1520:1:200::540/128
- 2001:1520:1:200::549/128
- 2001:1520:1:200::54e/128
- 2001:1520:1:200::54f/128
- 2001:1520:1:200::551/128
- 2001:1520:1:200::558/128
- 2001:1520:1:200::55f/128
- 2001:1520:1:200::561/128
- 2001:1520:1:200::562/128
- 2001:1520:1:200::563/128
- 2001:1520:1:200::567/128
- 2001:1520:1:200::56a/128
- 2001:1520:1:200::56b/128
- 2001:1520:1:200::56e/128
- 2001:1520:1:200::576/128
- 2001:1520:1:200::57c/128
- 2001:1520:1:200::57d/128
- 2001:1520:1:200::581/128
- 2001:1520:1:200::583/128
- 2001:1520:1:200::585/128
- 2001:1520:1:200::588/128
- 2001:1520:1:200::58e/128
- 2001:1520:1:200::598/128
- 2001:1520:1:200::599/128
- 2001:1520:1:200::59a/128
- 2001:1520:1:200::59b/128
- 2001:1520:1:200::5a5/128
- 2001:1520:1:200::5a6/128
- 2001:1520:1:200::5ac/128
- 2001:1520:1:200::5ae/128
- 2001:1520:1:200::5b1/128
- 2001:1520:1:200::5b4/128
- 2001:1520:1:200::5b6/128
- 2001:1520:1:200::5bb/128
- 2001:1520:1:200::5c2/128
- 2001:1520:1:200::5c3/128
- 2001:1520:1:200::5c4/128
- 2001:1520:1:200::5ca/128
- 2001:1520:1:200::5cb/128
- 2001:1520:1:200::5cd/128
- 2001:1520:1:200::5ce/128
- 2001:1520:1:200::5cf/128
- 2001:1520:1:200::5d0/128
- 2001:1520:1:200::5d1/128
- 2001:1520:1:200::5d2/128
- 2001:1520:1:200::5d4/128
- 2001:1520:1:200::5d5/128
- 2001:1520:1:200::5d7/128
- 2001:1520:1:200::5d8/128
- 2001:1520:1:200::5df/128
- 2001:1520:1:200::5e2/128
- 2001:1520:1:200::5e4/128
- 2001:1520:1:200::5e7/128
- 2001:1520:1:200::5e8/128
- 2001:1520:1:200::5ea/128
- 2001:1520:1:200::5eb/128
- 2001:1520:1:200::5f4/128
- 2001:1520:1:200::5f8/128
- 2001:1520:1:200::5fb/128
- 2001:1520:1:200::c06/128
- 2001:7f8:3d::5125:0:1/128
- 2001:7f8:44::5125:0:1/128
- 2001:7f8:4::5125:1/128
- 2001:7f8:9e::5125:0:1/128
- 2001:7f8::5125:0:1/128
- 2001:7f8::5125:f1:1/128
Member clusters
- Host Europe GB 1,249 netblocks
- Heart Internet limited 131 netblocks