Overview Networks Topology Countries Transfers RPKI Hygiene Rankings Hypergiants Per-capita Lookup Changelog Methodology

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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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AS63778 BGPNAP2 - Border Gateway Protocol Network Analysis Project

Japan · Autonomous System

IPv4 announced

0.00 × /8

IPv6 announced

327.7K

/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

20%

65.5K of 327.7K routed addrs valid

RPKI invalid

no invalid prefixes

IRR registered

0 of 31 prefixes documented

Announcement composition31 routed prefixes

RPKI valid only 3.2%Unregistered 96.8%

RPKI by address family

ipv6RPKI 20%

1 valid0 invalid30 not found65.5K / 327.7K addrs

Announced prefixes

Currently announced prefixes, live from RIPEstat.

31 prefixes currently seen by RIPEstat.

2401:7641:6000::/352401:7641:4000::/352401:7641:7000::/362401:7641:c000::/352401:7641:6000::/362401:7641:9000::/362401:7641:c000::/362401:7641:4000::/362401:7641:e000::/352401:7641:8000::/342401:7641:b000::/362401:7641:8000::/362401:7641:d000::/362401:7641:2000::/362401:7641::/322401:7641:3000::/362401:7641:2000::/352401:7641:4000::/342401:7641:5000::/362401:7641::/352401:7641:a000::/362401:7641::/332401:7641::/362401:7641::/342401:7641:8000::/352401:7641:c000::/342401:7641:e000::/362401:7641:f000::/362401:7641:1000::/362401:7641:a000::/352401:7641:8000::/33

Fetching announced prefixes from RIPEstat…

31 prefixes currently seen by RIPEstat.