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: 2026-06-19 05:16 UTC · refreshed daily

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AS24239 TWD2-NET-AS-AP - TWD2 Education and Research Network

China · Autonomous System

IPv4 announced

0.00 × /8

IPv6 announced

/48 blocks

Prefixes

routed

Country

China

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

Education / research

Scope: Not Disclosed

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

62%

16 of 26 routed addrs valid

RPKI invalid

no invalid prefixes

IRR registered

0 of 11 prefixes documented

Announcement composition11 routed prefixes

Announced prefixes

Currently announced prefixes, live from RIPEstat.

12 prefixes currently seen by RIPEstat.

2a0e:aa06:494::/482a0e:aa06:497::/482a0e:aa06:496::/482a0c:b641:571::/482a0e:aa06:491::/482a0e:aa06:492::/482a0e:aa06:490::/442a0e:aa06:490::/482a0e:aa06:49e::/482a0e:aa06:495::/482a0e:aa06:493::/482404:f4c0:f000::/44

Fetching announced prefixes from RIPEstat…

RPKI valid only 9.1%Unregistered 90.9%

RPKI by address family

ipv6RPKI 62%

1 valid0 invalid10 not found16 / 26 addrs

12 prefixes currently seen by RIPEstat.