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: 2026-07-24 05:14 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

25%

3 of 12 prefixes documented

Announcement composition12 routed prefixes

Announced prefixes

Currently announced prefixes, live from RIPEstat.

12 prefixes currently seen by RIPEstat.

2406:840:9991::/482602:f864:f04::/482a13:b487:1bb2::/482602:f864:f14::/482602:f864:f14::/472602:f864:f04::/472602:f864:f15::/482406:840:9990::/442a13:b487:1b00::/402602:f864:f05::/482a14:c380:22::/482602:f864:ffe::/47

Fetching announced prefixes from RIPEstat…

Clean (RPKI valid + IRR match) 16.7%RPKI valid only 8.3%IRR registered only 8.3%Unregistered 66.7%

RPKI by address family

ipv6RPKI 96%

3 valid0 invalid9 not found273 / 285 addrs

12 prefixes currently seen by RIPEstat.