AS51551 is the autonomous system of Capita Business Services Ltd. It holds 19,712 IPv4 addresses in 4 prefixes, mainly in 
United Kingdom.
By IPv4 addresses the network ranks #6,175 worldwide and #159 of 1,931 networks in United Kingdom. That is 0.02% of the country’s IPv4 space.
The largest block is 82.203.64.0 to 82.203.127.255 with 16,384 addresses, geolocated to London (City of Westminster).
- IPv4 addresses
- 19,712
- IPv4 prefixes
- 4
- World rank
- #6,175
- Country share
- 0.02%
Addresses by country
- United Kingdom 100%
Largest blocks
- 82.203.64.0 London (City of Westminster)16,384
- 46.183.192.0 Reigate2,048
- 185.26.16.0 Reigate1,024
- 195.190.22.0 Dunfermline256
Networks of similar size
19,712
19,712
19,712
19,712
19,712
19,712IPv4 prefixes
Questions and answers
Who owns AS51551?
Autonomous system AS51551 is operated by Capita Business Services Ltd.
How many IP addresses does AS51551 have?
The network holds 19,712 IPv4 addresses in 4 prefixes.
Which country is AS51551 in?
The main country is United Kingdom.
How big is AS51551?
By IPv4 addresses it ranks #6,175 worldwide.
What is the largest address block of AS51551?
82.203.64.0 to 82.203.127.255, 16,384 addresses.