You can get details about an existing entry by selecting it from this list; this can also be used to modify it.
| Range | Name | Contact | |
| 192.168.0.0/24 | Cametrics | Philip Kendall | hidden |
| 192.168.1.0/24 | Panacea | Owen Dunn | owend@chiark.greenend.org.uk |
| 192.168.2.0/24 | aibs.org.uk | David Henderson | hidden |
| 192.168.3.0/24 | The Tea Party | Tom Yates | hidden |
| 192.168.5.0/24 | 5 Thomas Way | John Matthews | john@matthews-net.org.uk |
| 192.168.5.0/24 | Cametrics | Philip Kendall | hidden |
| 192.168.7.0/24 | siamese-net | Junio Hamano | hidden |
| 192.168.10.0/24 | .fudge, Durham | Tim Packer | fudge@durge.org |
| 192.168.11.0/24 | JCN private network | JCN Sysadmins | jcn-grin-registration@jesus.cam.ac.uk |
| 192.168.15.0/24 | Starwort | Ian Collier | imc@livejournal.com |
| 192.168.29.0/24 | CB23 7** | Paul Mansfield | hidden |
| 192.168.37.0/24 | cattery.greenend.org.uk | Christi Alice Scarborough | christi@chiark.greenend.org.uk |
| 192.168.38.0/24 | wireless.cattery.greenend.org.uk | Christi Alice Scarborough | christi@chiark.greenend.org.uk |
| 192.168.42.0/24 | GJC Tech | Geoff Lane | hidden |
| 192.168.44.0/24 | 44 Darwin Drive | Oli Wade | hidden |
| 192.168.68.0/25 | Phil's Crossbar | Phil Cross | hidden |
| 192.168.73.0/24 | greenend-main-100 | Stephen Early | steve@greenend.org.uk |
| 192.168.76.0/24 | Anthill | Duncan MacGregor | duncanm@chiark.greenend.org.uk |
| 192.168.93.0/24 | Lilac Court | David Damerell | damerell@chiark.greenend.org.uk |
| 192.168.100.0/24 | Virgin Media cable modem diagnostics | Ben Harris | bjh21@bjh21.me.uk |
| 192.168.101.0/28 | GJC Tech Remote | Geoff Lane | hidden |
| 192.168.121.0/24 | Enigma | Dave Manning | hidden |
| 192.168.126.0/24 | Exning Road | Chris Reed | cr212@iname.com |
| 192.168.127.0/24 | www.rzr.online.fr | rzr | hidden |
| 192.168.131.0/24 | John Matthews USA | John Matthews | john@matthews-net.org.uk |
| 192.168.140.0/24 | MGM | Phil Kard | hidden |
| 192.168.144.0/24 | mainspring.lan | James Scott | hidden |
| 192.168.171.64/26 | iron.denterprises.org | Colin Wetherbee | cww@denterprises.org |
| 192.168.190.0/24 | Babraham Road Supernet | Jon Warbrick | hidden |
| 192.168.200.0/24 | Mandrake | Mike Wilmot-Dear | hidden |
| 192.168.224.0/24 | Curlew Street | Moray Allan | moray@sermisy.org |
| 192.168.225.0/24 | MOOSE test network | Malcolm Scott | camgrin@malc.org.uk |
| 192.168.226.0/24 | MalcNet | Malcolm Scott | camgrin@malc.org.uk |
| 192.168.228.0/24 | Jowett | Malcolm Scott | camgrin@malc.org.uk |
| 192.168.229.0/24 | Jowett 2 | Malcolm Scott | camgrin@malc.org.uk |
| 192.168.243.0/24 | ren | ren | hidden |