ResearchRouting table, RPKI, IRR & looking glass

AS2497 Internet Initiative Japan Inc.

AS2497 (IIJ) is registered to Internet Initiative Japan Inc. in JP. It originates 255 prefixes in the global routing table.

244
IPv4 prefixes
11
IPv6 prefixes
4,092,928
IPv4 addresses
58%
RPKI valid

Who holds AS2497

Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.

AS number
AS2497
Handle
IIJ
Organization
Internet Initiative Japan Inc.
Country
JP
ASPA
None published

What AS2497 announces

Prefixes originated by AS2497 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
244
IPv6 prefixes
11
IPv4 addresses
4,092,928 (15,988 /24s)
RPKI valid
148 58%
RPKI invalid
0
RPKI not found
107
ROAs naming AS2497
242
With an IRR route object
255 100%

Announced prefixes

Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.

IPv4 (244)
14.137.235.0/2414.137.243.0/2423.131.136.0/2423.159.40.0/2423.183.56.0/2443.249.241.0/2445.38.103.0/2445.38.104.0/2445.39.42.0/2445.39.47.0/2445.39.102.0/2445.39.159.0/2445.39.227.0/2445.115.35.0/2445.124.63.0/2449.239.64.0/1858.138.0.0/1758.138.128.0/1861.122.224.0/2061.124.0.0/2061.124.16.0/2061.211.96.0/1979.170.199.0/2480.47.64.0/2080.47.80.0/2081.203.0.0/1689.30.176.0/23101.128.128.0/17103.2.57.0/24103.2.58.0/23103.5.23.0/24103.6.20.0/24103.26.166.0/24103.26.167.0/24103.76.87.0/24103.140.136.0/23104.164.85.0/24104.164.92.0/24104.164.100.0/24104.164.132.0/24104.164.133.0/24104.165.87.0/24104.165.174.0/24104.165.181.0/24104.165.202.0/24104.165.254.0/24104.252.22.0/24104.252.84.0/22104.252.125.0/24104.252.126.0/24104.252.132.0/24104.253.94.0/24104.253.98.0/24104.253.239.0/24109.66.30.0/23113.197.128.0/17116.118.192.0/20118.151.0.0/17118.151.128.0/18119.10.192.0/18121.50.160.0/21121.102.0.0/16121.200.200.0/21124.41.0.0/17124.41.128.0/18124.147.64.0/18125.30.0.0/16129.249.0.0/16131.248.0.0/16132.179.0.0/16133.110.0.0/16133.111.0.0/16133.127.0.0/16133.137.0.0/16133.142.0.0/16133.157.32.0/19133.157.72.0/21133.157.80.0/20133.157.96.0/21133.157.104.0/21133.157.112.0/21133.159.0.0/16133.169.0.0/21133.169.8.0/22133.173.0.0/16133.173.0.0/17133.173.128.0/17133.183.96.0/21133.183.106.0/24133.183.128.0/19133.194.0.0/17133.194.128.0/18133.194.192.0/19133.194.224.0/20133.194.240.0/21133.194.248.0/22133.194.252.0/23133.194.254.0/24133.215.0.0/16133.218.0.0/16133.221.0.0/16133.221.3.0/24133.236.0.0/16133.238.8.0/21133.238.16.0/20133.238.32.0/19133.238.128.0/17133.245.0.0/16133.254.0.0/16133.254.130.0/24133.254.131.0/24134.237.0.0/16138.107.0.0/16139.152.0.0/16139.152.11.0/24139.152.13.0/24139.152.14.0/24139.152.15.0/24142.252.252.0/22143.94.0.0/16
Show 124 more
143.94.217.0/24143.125.0.0/17143.125.128.0/18143.125.192.0/20143.125.208.0/22150.23.0.0/16150.31.0.0/16150.61.5.0/24150.61.54.0/24150.61.55.0/24150.87.0.0/16150.90.0.0/16157.65.8.0/21157.65.176.0/21157.65.192.0/21157.67.0.0/16160.13.0.0/16160.17.0.0/16160.244.0.0/16163.49.0.0/16163.55.0.0/16163.140.0.0/16163.218.0.0/16164.37.196.0/23167.169.0.0/16172.120.14.0/24172.120.69.0/24172.121.39.0/24172.122.0.0/15178.239.124.0/24178.239.125.0/24178.239.126.0/24182.54.240.0/22192.6.164.0/23192.47.161.0/24192.50.252.0/23192.70.131.0/24192.244.8.0/21202.15.44.0/23202.19.224.0/21202.22.208.0/20202.24.192.0/24202.24.193.0/24202.24.194.0/24202.24.195.0/24202.24.196.0/24202.32.0.0/16202.48.108.0/23202.141.192.0/20202.155.129.0/24202.155.130.0/24202.214.0.0/16202.221.0.0/16202.224.128.0/18202.232.0.0/16202.238.128.0/18202.238.192.0/18202.242.16.0/23202.244.222.0/24202.245.176.0/20202.250.154.0/24202.250.155.0/24202.251.0.0/19202.253.160.0/22203.139.224.0/22203.139.228.0/22203.139.232.0/22203.139.236.0/22203.139.240.0/20203.180.0.0/16206.132.160.0/20210.128.0.0/16210.130.0.0/16210.133.192.0/18210.138.0.0/16210.141.16.0/20210.148.0.0/16210.149.0.0/16210.173.0.0/19210.233.160.0/24210.233.162.0/24210.233.163.0/24210.233.165.0/24210.233.166.0/24210.233.167.0/24210.233.168.0/24210.233.169.0/24210.233.170.0/24210.233.171.0/24210.233.173.0/24210.233.174.0/24210.233.175.0/24210.233.176.0/24210.233.177.0/24210.233.178.0/24210.233.179.0/24210.233.180.0/24210.233.181.0/24210.233.182.0/24210.233.183.0/24210.233.184.0/24210.233.185.0/24210.233.186.0/24210.233.187.0/24210.233.188.0/24210.233.189.0/24210.233.190.0/24211.14.32.0/19216.98.96.0/19218.42.160.0/19218.228.96.0/19219.105.0.0/19219.111.0.0/17219.119.0.0/16219.121.160.0/19219.126.128.0/17220.100.0.0/17220.100.192.0/18220.156.0.0/18220.156.64.0/19220.156.96.0/19220.156.128.0/19220.208.192.0/19220.210.128.0/18
IPv6 (11)

RPKI valid   RPKI invalid   no ROA covers it

Who AS2497 is reached through

The AS just before AS2497 in the paths our looking glass collectors hold, for 60 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Provider authorization

AS2497 publishes no ASPA of its own. 2 ASes name it as a provider in theirs. Check a path.

The 2 ASes that name AS2497 as a provider

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.