AS18857 USD 231 Gardner Edgerton
AS18857 (USD231-AS) is registered to USD 231 Gardner Edgerton in US. It originates 1 prefix in the global routing table.
Who holds AS18857
Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.
What AS18857 announces
Prefixes originated by AS18857 in the routing table our collectors hold (kept current as routes change), 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 AS18857 buys transit from
Inferred from the AS paths in the RouteViews tables and our own collectors’ feeds, refreshed every 4 hours, most-seen first. 1 upstream.
Who buys transit from AS18857
None seen: AS18857 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.