Registered organisation
CSC Computer Sciences Ltd
Address space registered to CSC Computer Sciences Ltd, and where it is announced from.
Registered holders come from the bulk whois that RIPE, APNIC and AFRINIC publish. ARIN and LACNIC do not publish theirs, so holders in North and South America are largely missing here.
IPv4 addresses
73,984
IPv6 /64s
-
Registered blocks
4
Countries
1
What this tells you
- Holds 73,984 IPv4 addresses across 4 registered blocks.
- Almost none of this space is announced to the internet: 1% of its IPv4 space appears in the routing table. Space can be held for decades without being used, and a legacy allocation this size is usually one of those.
- Announced by 2 networks, the largest being AS2856 British Telecommunications at 1% of the IPv4 space.
- All of the space we can place resolves to United Kingdom.
Networks announcing this space
| Network | IPv4 share | |
|---|---|---|
| AS2856 British Telecommunications | 1% | |
| AS1813 DXC US Latin America Corporation | 0.3% | |
| Not announced to the internet | 99% |
Countries this space resolves to
| Country | IPv4 share | |
|---|---|---|
| United Kingdom | 100% |
Holding a block is a registry fact, not a physical one. The organisation named here is who the block is assigned to, which is often a customer of the network operator announcing it.