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

Last sync: 2026-11-01 05:14 UTC · refreshed daily

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AS23910 CNGI-CERNET2-AS-AP - China Next Generation Internet CERNET2

China · Autonomous System

IPv4 announced

0.00 × /8

IPv6 announced

268.7M

/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

—

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

1 of 268.7M routed addrs valid

RPKI invalid

prefixes — possible hijack / stale ROA

IRR registered

0 of 6 prefixes documented

Announcement composition6 routed prefixes

Announced prefixes

Currently announced prefixes, live from RIPEstat.

6 prefixes currently seen by RIPEstat.

2001:251::/32240c:c0a9:1000::/402001:250::/32240c:c000::/202001:da8::/322001:da8:20d::/48

Fetching announced prefixes from RIPEstat…

RPKI valid only 16.7%Unregistered 66.7%RPKI invalid 16.7%

RPKI by address family

ipv6RPKI 0%

1 valid1 invalid4 not found1 / 268.7M addrs

Invalid announcements have a ROA on file but the origin AS or prefix length doesn't match it — usually a stale ROA or misconfiguration rather than an active hijack.

6 prefixes currently seen by RIPEstat.

2001:251::/32240c:c0a9:1000::/402001:250::/32240c:c000::/202001:da8::/322001:da8:20d::/48