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Data: RIPE NCC, ARIN, APNIC, LACNIC, AFRINIC delegated statistics · CAIDA · RIPEstat · World Bank.

Last sync: 2026-06-08 03:01 UTC · refreshed daily

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AS213471 IPPNOC YAMAMOTO Hiroshi

Japan · Autonomous System

IPv4 announced

0.00 × /8

IPv6 announced

179

/48 blocks

Prefixes

routed

Country

Japan

Routing hygiene & RPKI

How well this network secures and documents its BGP announcements — RPKI origin validation, IRR registration, and an overall hygiene score.

Hygiene score

0–100 · RPKI × IRR × consistency

RPKI coverage

0 of 179 routed addrs valid

RPKI invalid

no invalid prefixes

IRR registered

1 of 11 prefixes documented

Announcement composition11 routed prefixes

IRR registered only 9.1%Unregistered 90.9%

RPKI by address family

ipv6RPKI 0%

0 valid0 invalid11 not found0 / 179 addrs

Announced prefixes

Currently announced prefixes, live from RIPEstat.

12 prefixes currently seen by RIPEstat.

2a06:41::/442a06:41:c0::/442a06:41:60::/442a0b:4e07:d4::/482a06:41:10::/442a06:41:30::/442a06:41:70::/442a0b:4e07:d7::/482a06:41:80::/422a06:41:20::/442a0b:4e07:d5::/482a06:41:50::/44

Fetching announced prefixes from RIPEstat…

12 prefixes currently seen by RIPEstat.

2a06:41::/442a06:41:c0::/442a06:41:60::/442a0b:4e07:d4::/482a06:41:10::/442a06:41:30::/442a06:41:70::/442a0b:4e07:d7::/482a06:41:80::/422a06:41:20::/442a0b:4e07:d5::/482a06:41:50::/44