AS51409 is the autonomous system of sipsynergy Ltd. It holds 3,072 IPv4 addresses in 2 prefixes, mainly in 
United Kingdom.
By IPv4 addresses the network ranks #18,935 worldwide and #548 of 1,931 networks in United Kingdom.
The network spreads across 2 countries: United Kingdom 67%, Ireland 33%.
The largest block is 178.255.56.0 to 178.255.63.255 with 2,048 addresses, geolocated to London.
- IPv4 addresses
- 3,072
- IPv4 prefixes
- 2
- World rank
- #18,935
Addresses by country
- United Kingdom 67%
Ireland 33%
Largest blocks
- 178.255.56.0 London2,048
- 185.41.224.0 South Dublin1,024
Networks of similar size
3,072
3,072
3,072
3,072
3,072
3,072IPv4 prefixes
Questions and answers
Who owns AS51409?
Autonomous system AS51409 is operated by sipsynergy Ltd.
How many IP addresses does AS51409 have?
The network holds 3,072 IPv4 addresses in 2 prefixes.
Which country is AS51409 in?
The main country is United Kingdom, with addresses in 1 more countries.
How big is AS51409?
By IPv4 addresses it ranks #18,935 worldwide.
What is the largest address block of AS51409?
178.255.56.0 to 178.255.63.255, 2,048 addresses.