AS2907 is an AS number in Japan assigned to Research Organization of Information and Systems, National Institute of Informatics.

OrganizationResearch Organization of Information and Systems, National Institute of Informatics
Registered nameSINET-AS
CountryJapan (JP)
IPv4 addresses8,769,536
IPv4 ranges477
IPv6 ranges2
RegistrationLook up the holder and the abuse contact in IP Lookup

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IPv4 address ranges (largest 20)

Range (CIDR)AddressesCheck
133.14.0.0/15 131,072 Check if your IP is in this range
133.16.0.0/15 131,072 Check if your IP is in this range
133.20.0.0/15 131,072 Check if your IP is in this range
133.34.0.0/15 131,072 Check if your IP is in this range
133.38.0.0/15 131,072 Check if your IP is in this range
133.44.0.0/15 131,072 Check if your IP is in this range
133.48.0.0/15 131,072 Check if your IP is in this range
133.62.0.0/15 131,072 Check if your IP is in this range
133.72.0.0/15 131,072 Check if your IP is in this range
133.82.0.0/15 131,072 Check if your IP is in this range
133.84.0.0/15 131,072 Check if your IP is in this range
133.94.0.0/15 131,072 Check if your IP is in this range
133.98.0.0/15 131,072 Check if your IP is in this range
133.102.0.0/15 131,072 Check if your IP is in this range
150.42.0.0/15 131,072 Check if your IP is in this range
160.28.0.0/15 131,072 Check if your IP is in this range
163.214.0.0/15 131,072 Check if your IP is in this range
130.34.0.0/16 65,536 Check if your IP is in this range
130.153.0.0/16 65,536 Check if your IP is in this range
131.206.0.0/16 65,536 Check if your IP is in this range

AS numbers of a similar size

About the data

Compiled by this site from publicly available internet registry assignment information and IP address range data. The data date is the build date of the data when the content of this page last changed. Adjacent ranges are merged and expressed as CIDR blocks, so they may differ from the routes actually announced.

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