Oslo kommune, Utviklings- og kompetanseetaten operates AS21331: 1 IPv4 prefixes covering 65,536 addresses, most of them in 
Norway.
By IPv4 addresses the network ranks #3,417 worldwide and #21 of 270 networks in Norway. That is 0.40% of the country’s IPv4 space.
The largest block is 171.23.0.0 to 171.23.255.255 with 65,536 addresses, geolocated to Oslo (Gamle Oslo District).
- IPv4 addresses
- 65,536
- IPv4 prefixes
- 1
- World rank
- #3,417
- Country share
- 0.40%
- IPv6 ranges
- 1
Addresses by country
- Norway 100%
Largest blocks
- 171.23.0.0 Oslo (Gamle Oslo District)65,536
Networks of similar size
- AS31848 Deer Valley Unified School District #97
65,536 - AS21897 Virtua Health65,536
- AS11534 The School District of Philadelphia65,536
- AS3219 Ministry of Local Government and Regional Development
65,536 - AS34457 Generali Deutschland AG
65,536 - AS6784 MOL Nyrt.65,536
- AS19192 Universidad Central de Venezuela
65,536 - AS6802 Bulgarian Research and Education Network Association (BREN)
65,536
IPv4 prefixes
Questions and answers
Who owns AS21331?
Autonomous system AS21331 is operated by Oslo kommune, Utviklings- og kompetanseetaten.
How many IP addresses does AS21331 have?
The network holds 65,536 IPv4 addresses in 1 prefixes, plus 1 IPv6 ranges.
Which country is AS21331 in?
The main country is Norway.
How big is AS21331?
By IPv4 addresses it ranks #3,417 worldwide.
What is the largest address block of AS21331?
171.23.0.0 to 171.23.255.255, 65,536 addresses.