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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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AS142690 AS142690-41 - China Education and Research Network (CERNET)

China · Autonomous System

IPv4 announced

0.00 × /8

IPv6 announced

65.5K

/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%

65.5K of 65.5K routed addrs valid

RPKI invalid

no invalid prefixes

IRR registered

0 of 1 prefixes documented

Announcement composition1 routed prefixes

RPKI valid only 100.0%

RPKI by address family

ipv6RPKI 100%

1 valid0 invalid0 not found65.5K / 65.5K addrs

Announced prefixes

Currently announced prefixes, live from RIPEstat.

11 prefixes currently seen by RIPEstat.

240a:a028::/32240a:a027:1::/48240a:a027:2::/48240a:a027:6::/48240a:a027:9::/48240a:a027:4::/48240a:a027:3::/48240a:a027:8::/48240a:a027:5::/48240a:a027::/32240a:a027:7::/48

Fetching announced prefixes from RIPEstat…

11 prefixes currently seen by RIPEstat.

240a:a028::/32240a:a027:1::/48240a:a027:2::/48240a:a027:6::/48240a:a027:9::/48240a:a027:4::/48240a:a027:3::/48240a:a027:8::/48240a:a027:5::/48240a:a027::/32240a:a027:7::/48