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AS2497

AS2497 is Internet Initiative Japan Inc..

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

Short answer

AS2497 belongs to Internet Initiative Japan Inc.. DB-IP Lite attributes 4,094,208 IPv4 addresses in 169 ranges and 5 IPv6 ranges to it, all or nearly all of the IPv4 space in Japan. The number is registered with APNIC in Japan on 5 Apr 2002.

Facts for AS2497
Operator (DB-IP)Internet Initiative Japan Inc.
IPv4 addresses4,094,208
IPv4 ranges169
IPv6 ranges5
RegistryAPNIC
Registered5 Apr 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)

Internet Initiative Japan Inc. 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 5 IPv6 ranges for AS2497, so customers can get IPv6 addresses, which databases place separately from IPv4.

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

JP100%
US0.17%

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

IP ranges

RangeAs CIDRAddresses
14.137.235.0 – 14.137.235.25514.137.235.0/24256
14.137.243.0 – 14.137.243.25514.137.243.0/24256
23.131.136.0 – 23.131.136.25523.131.136.0/24256
23.159.40.0 – 23.159.40.25523.159.40.0/24256
23.183.56.0 – 23.183.56.25523.183.56.0/24256
43.249.241.0 – 43.249.241.25543.249.241.0/24256
45.38.103.0 – 45.38.104.25545.38.103.0/24, 45.38.104.0/24512
45.39.42.0 – 45.39.42.25545.39.42.0/24256
45.39.47.0 – 45.39.47.25545.39.47.0/24256
45.39.102.0 – 45.39.102.25545.39.102.0/24256
45.39.159.0 – 45.39.159.25545.39.159.0/24256
45.39.227.0 – 45.39.227.25545.39.227.0/24256
45.115.35.0 – 45.115.35.25545.115.35.0/24256
45.124.63.0 – 45.124.63.25545.124.63.0/24256
49.239.64.0 – 49.239.127.25549.239.64.0/1816,384
58.138.0.0 – 58.138.191.25558.138.0.0/17, 58.138.128.0/1849,152
61.122.224.0 – 61.122.239.25561.122.224.0/204,096
61.124.0.0 – 61.124.31.25561.124.0.0/198,192
61.211.96.0 – 61.211.127.25561.211.96.0/198,192
79.170.199.0 – 79.170.199.25579.170.199.0/24256
80.47.64.0 – 80.47.94.25580.47.64.0/20, 80.47.80.0/21 …7,936
81.203.0.0 – 81.203.255.25581.203.0.0/1665,536
89.30.176.0 – 89.30.177.25589.30.176.0/23512
101.128.128.0 – 101.128.255.255101.128.128.0/1732,768
103.2.57.0 – 103.2.59.255103.2.57.0/24, 103.2.58.0/23768
103.5.23.0 – 103.5.23.255103.5.23.0/24256
103.6.20.0 – 103.6.22.255103.6.20.0/23, 103.6.22.0/24768
103.11.239.0 – 103.11.239.255103.11.239.0/24256
103.26.166.0 – 103.26.167.255103.26.166.0/23512
103.76.87.0 – 103.76.87.255103.76.87.0/24256
103.140.136.0 – 103.140.137.255103.140.136.0/23512
103.245.235.0 – 103.245.235.255103.245.235.0/24256
104.164.85.0 – 104.164.85.255104.164.85.0/24256
104.164.92.0 – 104.164.92.255104.164.92.0/24256
104.164.100.0 – 104.164.100.255104.164.100.0/24256
104.164.132.0 – 104.164.133.255104.164.132.0/23512
104.165.87.0 – 104.165.87.255104.165.87.0/24256
104.165.174.0 – 104.165.174.255104.165.174.0/24256
104.165.254.0 – 104.165.254.255104.165.254.0/24256
104.252.22.0 – 104.252.22.255104.252.22.0/24256
104.252.84.0 – 104.252.87.255104.252.84.0/221,024
104.252.125.0 – 104.252.126.255104.252.125.0/24, 104.252.126.0/24512
104.252.132.0 – 104.252.132.255104.252.132.0/24256
104.253.94.0 – 104.253.94.255104.253.94.0/24256
104.253.98.0 – 104.253.98.255104.253.98.0/24256
104.253.239.0 – 104.253.239.255104.253.239.0/24256
109.66.30.0 – 109.66.31.255109.66.30.0/23512
113.197.128.0 – 113.197.255.255113.197.128.0/1732,768
116.118.192.0 – 116.118.207.255116.118.192.0/204,096
118.151.0.0 – 118.151.191.255118.151.0.0/17, 118.151.128.0/1849,152
2001:240:: – 2001:240:ffff:ffff:ffff:ffff:ffff:ffff2001:240::/32IPv6
2001:300:: – 2001:300:ffff:ffff:ffff:ffff:ffff:ffff2001:300::/32IPv6
2001:48b0:: – 2001:48b0:ffff:ffff:ffff:ffff:ffff:ffff2001:48b0::/32IPv6
2400:3980:: – 2400:3980:ffff:ffff:ffff:ffff:ffff:ffff2400:3980::/32IPv6
240a:71:9000:: – 240a:71:9fff:ffff:ffff:ffff:ffff:ffff240a:71:9000::/36IPv6
Showing 50 of 169 IPv4 and 5 of 5 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 4 Nov 2026