AS213471 YAMAMOTO Hiroshi 🇯🇵 JP

Announcing 6 prefixes, seen at the RIS collectors.

IPv4 prefixes
0
-
IPv6 prefixes
6
129 × /48
Upstreams
4
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it

Registry and operator data

AS number
AS213471
Name
YAMAMOTO Hiroshi
Organisation
IPPNOC
Country
🇯🇵 JP
RIR
RIPENCC
Allocated
2025-02-04
Network type
Educational/Research
Traffic levels
0-20Mbps
Scope
Global
Peering policy
Selective
PeeringDB
net/39525
Exchanges
2

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

5 valid (83.3%) 0 invalid (0.0%) 1 no ROA (16.7%)

Announced prefixes

6 in total

Prefix RPKI Peers Sample path First seen
2a06:41::/44 v6 RPKI valid 38 50304214481213471 2026-09-18
2a06:41:10::/44 v6 RPKI valid 34 24482300589663213471 2026-09-18
2a06:41:20::/44 v6 RPKI valid 38 24482215467213471 2026-09-18
2a06:41:30::/44 v6 RPKI valid 33 38001290763798213471 2026-09-18
2a06:41:80::/42 v6 RPKI valid 38 24482215467213471 2026-09-18
2a0b:4e07:d7::/48 v6 no ROA 33 38001290763798213471 2026-09-18