ResearchRouting table, RPKI, IRR & looking glass

AS58647 Kagawa University

AS58647 (KAGAWAU-AS) is registered to Kagawa University in JP. It originates 128 prefixes in the global routing table.

128
IPv4 prefixes
0
IPv6 prefixes
73,728
IPv4 addresses
0%
RPKI valid

Who holds AS58647

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

AS number
AS58647
Handle
KAGAWAU-AS
Organization
Kagawa University
Country
JP
ASPA
None published

What AS58647 announces

Prefixes originated by AS58647 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
128
IPv6 prefixes
0
IPv4 addresses
73,728 (288 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
128
ROAs naming AS58647
0
With an IRR route object
125 97%

Announced prefixes

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

IPv4 (128)
133.92.0.0/16133.92.1.0/24133.92.2.0/24133.92.6.0/24133.92.7.0/24133.92.8.0/24133.92.9.0/24133.92.10.0/24133.92.11.0/24133.92.24.0/24133.92.25.0/24133.92.27.0/24133.92.29.0/24133.92.66.0/24133.92.67.0/24133.92.68.0/24133.92.69.0/24133.92.70.0/24133.92.71.0/24133.92.72.0/24133.92.73.0/24133.92.74.0/24133.92.75.0/24133.92.76.0/24133.92.77.0/24133.92.78.0/23133.92.100.0/23133.92.102.0/23133.92.104.0/23133.92.106.0/23133.92.108.0/24133.92.109.0/24133.92.110.0/24133.92.112.0/24133.92.113.0/24133.92.114.0/24133.92.115.0/24133.92.116.0/24133.92.117.0/24133.92.118.0/24133.92.120.0/24133.92.121.0/24133.92.122.0/24133.92.124.0/22133.92.128.0/24133.92.136.0/24133.92.137.0/24133.92.139.0/24133.92.140.0/24133.92.141.0/24133.92.142.0/24133.92.143.0/24133.92.144.0/24133.92.145.0/24133.92.146.0/24133.92.147.0/24133.92.148.0/24133.92.149.0/24133.92.150.0/24133.92.151.0/24133.92.152.0/24133.92.153.0/24133.92.154.0/24133.92.155.0/24133.92.156.0/24133.92.157.0/24133.92.158.0/24133.92.159.0/24133.92.160.0/24133.92.161.0/24133.92.162.0/24133.92.163.0/24133.92.164.0/24133.92.165.0/24133.92.166.0/24133.92.167.0/24133.92.168.0/24133.92.169.0/24133.92.170.0/24133.92.172.0/24133.92.173.0/24133.92.174.0/24133.92.176.0/22133.92.209.0/24133.92.211.0/24133.92.212.0/24133.92.213.0/24133.92.219.0/24133.92.236.0/22133.92.241.0/24133.92.242.0/24133.92.243.0/24133.92.244.0/24133.92.245.0/24133.92.246.0/23133.92.248.0/23133.92.250.0/23133.92.252.0/22202.252.64.0/19202.252.65.0/24202.252.66.0/24202.252.67.0/24202.252.68.0/24202.252.69.0/24202.252.70.0/24202.252.71.0/24202.252.72.0/24202.252.73.0/24202.252.74.0/24202.252.75.0/24202.252.76.0/24202.252.77.0/24202.252.78.0/24202.252.79.0/24202.252.80.0/24202.252.81.0/24202.252.82.0/24202.252.83.0/24202.252.84.0/24202.252.85.0/24
Show 8 more

RPKI valid   RPKI invalid   no ROA covers it

Who AS58647 is reached through

The AS just before AS58647 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.

Routing registry objects

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