AS143931 China Education and Research Network (CERNET)
AS143931 (AS143931-258) is registered to China Education and Research Network (CERNET) in CN. It originates 1 prefix in the global routing table.
Who holds AS143931
Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.
What AS143931 announces
Prefixes originated by AS143931 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).
Announced prefixes
Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.
Who AS143931 buys transit from
Inferred from the AS paths in the RouteViews tables, refreshed every 4 hours, most-seen first. 1 upstream.
Who buys transit from AS143931
None seen: AS143931 does not appear to provide transit to anyone.
Routing registry objects
From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.