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AS2907

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

Last updated 3 Nov 2026 from DB-IP ASN Lite (2026-11-01) and RIR statistics (4 Nov 2026)

Short answer

AS2907 belongs to Research Organization of Information and Systems, National Institute of Informa. DB-IP Lite attributes 8,769,536 IPv4 addresses in 389 ranges and 2 IPv6 ranges to it, all or nearly all of the IPv4 space in Japan. The number is registered with APNIC in Japan on 1 Aug 2002.

Facts for AS2907
Operator (DB-IP)Research Organization of Information and Systems, National Institute of Informa
IPv4 addresses8,769,536
IPv4 ranges389
IPv6 ranges2
RegistryAPNIC
Registered1 Aug 2002
Registry countryJapan (JP)

Does it publish a geofeed?

We haven’t checked this network’s registry records for a geofeed yet. The Truth Check looks for one live for any address you test.

Shared addresses (CGNAT)

Research Organization of Information and Systems, National Institute of Informa hasn’t been documented as using carrier-grade NAT in a source we could check. To see whether your own connection is behind it, compare your router’s address on the CGNAT check.

IPv6

DB-IP lists 2 IPv6 ranges for AS2907, so customers can get IPv6 addresses, which databases place separately from IPv4.

Where its IPv4 space is used, according to DB-IP

JP100%
US0.11%
CA0.01%

Share of the network’s IPv4 addresses by DB-IP Country Lite. IP Geolocation by DB-IP.

IP ranges

RangeAs CIDRAddresses
103.164.74.0 – 103.164.75.255103.164.74.0/23512
103.164.166.0 – 103.164.169.255103.164.166.0/23, 103.164.168.0/231,024
103.180.128.0 – 103.180.129.255103.180.128.0/23512
130.34.0.0 – 130.34.255.255130.34.0.0/1665,536
130.153.0.0 – 130.153.255.255130.153.0.0/1665,536
131.206.0.0 – 131.206.255.255131.206.0.0/1665,536
133.7.0.0 – 133.8.255.255133.7.0.0/16, 133.8.0.0/16131,072
133.10.0.0 – 133.10.255.255133.10.0.0/1665,536
133.12.0.0 – 133.12.255.255133.12.0.0/1665,536
133.14.0.0 – 133.17.255.255133.14.0.0/15, 133.16.0.0/15262,144
133.20.0.0 – 133.21.255.255133.20.0.0/15131,072
133.23.0.0 – 133.23.255.255133.23.0.0/1665,536
133.29.0.0 – 133.30.255.255133.29.0.0/16, 133.30.0.0/16131,072
133.32.100.0 – 133.32.103.255133.32.100.0/221,024
133.34.0.0 – 133.35.255.255133.34.0.0/15131,072
133.37.0.0 – 133.39.255.255133.37.0.0/16, 133.38.0.0/15196,608
133.44.0.0 – 133.46.255.255133.44.0.0/15, 133.46.0.0/16196,608
133.48.0.0 – 133.49.255.255133.48.0.0/15131,072
133.52.0.0 – 133.52.255.255133.52.0.0/1665,536
133.54.0.0 – 133.54.71.255133.54.0.0/18, 133.54.64.0/2118,432
133.54.76.0 – 133.55.255.255133.54.76.0/22, 133.54.80.0/20 …111,616
133.57.0.0 – 133.58.255.255133.57.0.0/16, 133.58.0.0/16131,072
133.60.0.0 – 133.60.255.255133.60.0.0/1665,536
133.62.0.0 – 133.63.255.255133.62.0.0/15131,072
133.65.0.0 – 133.65.255.255133.65.0.0/1665,536
133.68.0.0 – 133.68.255.255133.68.0.0/1665,536
133.72.0.0 – 133.73.255.255133.72.0.0/15131,072
133.74.192.0 – 133.74.255.255133.74.192.0/1816,384
133.77.0.0 – 133.78.255.255133.77.0.0/16, 133.78.0.0/16131,072
133.81.0.0 – 133.86.255.255133.81.0.0/16, 133.82.0.0/15 …393,216
133.88.224.0 – 133.88.226.255133.88.224.0/23, 133.88.226.0/24768
133.89.0.0 – 133.89.255.255133.89.0.0/1665,536
133.94.0.0 – 133.96.255.255133.94.0.0/15, 133.96.0.0/16196,608
133.98.0.0 – 133.99.255.255133.98.0.0/15131,072
133.102.0.0 – 133.104.255.255133.102.0.0/15, 133.104.0.0/16196,608
133.106.0.0 – 133.106.7.255133.106.0.0/212,048
133.187.0.0 – 133.187.255.255133.187.0.0/1665,536
133.220.0.0 – 133.220.255.255133.220.0.0/1665,536
134.160.186.0 – 134.160.189.255134.160.186.0/23, 134.160.188.0/231,024
136.187.0.0 – 136.187.255.255136.187.0.0/1665,536
144.213.0.0 – 144.213.255.255144.213.0.0/1665,536
147.157.0.0 – 147.157.255.255147.157.0.0/1665,536
150.7.0.0 – 150.7.255.255150.7.0.0/1665,536
150.9.254.0 – 150.9.255.255150.9.254.0/23512
150.12.0.0 – 150.12.255.255150.12.0.0/1665,536
150.15.0.0 – 150.15.255.255150.15.0.0/1665,536
150.22.0.0 – 150.22.3.255150.22.0.0/221,024
150.42.0.0 – 150.43.255.255150.42.0.0/15131,072
150.46.0.0 – 150.46.255.255150.46.0.0/1665,536
150.54.0.0 – 150.54.255.255150.54.0.0/1665,536
2001:2f8:: – 2001:2f8:ffff:ffff:ffff:ffff:ffff:ffff2001:2f8::/32IPv6
2405:d200:: – 2405:d200:ffff:ffff:ffff:ffff:ffff:ffff2405:d200::/32IPv6
Showing 50 of 389 IPv4 and 2 of 2 IPv6 ranges All ranges (CSV)

IP Geolocation by DB-IP, ASN Lite, CC BY 4.0.

Using an address from this network? See which sources agree on where it is.

Sources

  1. DB-IP IP to ASN Lite (CC BY 4.0) · checked 3 Nov 2026
  2. NRO RIR delegated-extended statistics · checked 5 Nov 2026