ipcheckme
RU

AS2907 Research Organization of Information and Systems, National Institute of Informa

AS2907

Research Organization of Information and Systems, National Institute of Informa

Research Organization of Information and Systems, National Institute of Informa operates AS2907: 477 IPv4 prefixes covering 8,769,536 addresses, most of them in Japan.

By IPv4 addresses the network ranks #49 worldwide and #4 of 848 networks in Japan. That is 4.3% of the country’s IPv4 space.

The network spreads across 3 countries: Japan 100%, United States 0.11%, Canada 0.01%.

The largest block is 133.81.0.0 to 133.86.255.255 with 393,216 addresses, geolocated to Chiyoda City.

IPv4 addresses
8,769,536
IPv4 prefixes
477
World rank
#49
Country share
4.3%
IPv6 ranges
2

Addresses by country

Largest blocks

Networks of similar size

IPv4 prefixes

and 177 more prefixes

Questions and answers

Who owns AS2907?

Autonomous system AS2907 is operated by Research Organization of Information and Systems, National Institute of Informa.

How many IP addresses does AS2907 have?

The network holds 8,769,536 IPv4 addresses in 477 prefixes, plus 2 IPv6 ranges.

Which country is AS2907 in?

The main country is Japan, with addresses in 2 more countries.

How big is AS2907?

By IPv4 addresses it ranks #49 worldwide.

What is the largest address block of AS2907?

133.81.0.0 to 133.86.255.255, 393,216 addresses.