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: 2026-09-10 05:13 UTC · refreshed daily

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AS199436 A-NET BangLong Yang

Japan · Autonomous System

IPv4 announced

0.00 × /8

IPv6 announced

285

/48 blocks

Prefixes

routed

Country

Japan

Interconnection (PeeringDB)

Where this network meets others — public exchange points, colocation facilities, and declared peering capacity.

Internet exchanges

IXPs present

Facilities

colocation facilities

Peering capacity

—

no peering ports listed

Network type

Access ISP

Scope: Asia Pacific

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

96%

273 of 285 routed addrs valid

RPKI invalid

no invalid prefixes

IRR registered

1 of 12 prefixes documented

Announcement composition12 routed prefixes

Announced prefixes

Currently announced prefixes, live from RIPEstat.

15 prefixes currently seen by RIPEstat.

2602:f864:ffe::/472602:f864:f02::/472602:f864:f15::/482602:f864:f04::/482602:f864:f12::/472a13:b487:1b00::/402400:e3e0:abb2::/482602:f864:f14::/472a14:c380:22::/482406:840:9990::/442602:f864:f14::/482406:840:9991::/482602:f864:f05::/482a13:b487:1bb2::/482602:f864:f04::/47

Fetching announced prefixes from RIPEstat…

Clean (RPKI valid + IRR match) 8.3%RPKI valid only 16.7%Unregistered 75.0%

RPKI by address family

ipv6RPKI 96%

3 valid0 invalid9 not found273 / 285 addrs

15 prefixes currently seen by RIPEstat.