AS213471 YAMAMOTO Hiroshi 🇯🇵 JP

Announcing 6 prefixes, seen at the RIS collectors.

IPv4 prefixes
0
-
IPv6 prefixes
6
66 × /48
Upstreams
6
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

6 valid (100.0%) 0 invalid (0.0%) 0 no ROA (0.0%)

Announcement history

One point per day, recorded at each table import

0245709-1809-2610-0410-1210-2010-2811-0511-09
IPv4 IPv6

Recorded changes

New prefixes and origin changes seen on the live stream

WhenChangePrefixOriginPath
2026-11-03 03:52:19Z new prefix 2a0b:4e07:d5::/48 AS213471 YAMAMOTO Hiroshi 202056939300589663213471