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: 2026-06-23 05:14 UTC · refreshed daily

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AS138377 CNGI-XNN-IX-AS-AP - CERNET2 regional IX at Qinghai Normal University

China · Autonomous System

IPv4 announced

0.00 × /8

IPv6 announced

65.6K

/48 blocks

Prefixes

routed

Country

China

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

100%

65.6K of 65.6K routed addrs valid

RPKI invalid

no invalid prefixes

IRR registered

0 of 17 prefixes documented

Announcement composition17 routed prefixes

RPKI valid only 100.0%

RPKI by address family

ipv6RPKI 100%

17 valid0 invalid0 not found65.6K / 65.6K addrs

Announced prefixes

Currently announced prefixes, live from RIPEstat.

17 prefixes currently seen by RIPEstat.

2001:250:1e08::/482001:250:1e07::/48240c:c381::/322001:250:1e02::/482001:250:1e04::/482001:250:1e06::/482001:250:1e00::/482001:da8:c1::/482001:250:1e0b::/482001:250:1e05::/482001:250:1e09::/482001:250:1e0e::/482001:250:1e03::/482001:250:1e0a::/482001:250:1e0d::/482001:250:1e01::/482001:250:1e0c::/48

Fetching announced prefixes from RIPEstat…

17 prefixes currently seen by RIPEstat.