AS20123 NOS Network Operations Group
AS20123 (NOS-NOG2) is registered to NOS Network Operations Group in US. It originates 1 prefix in the global routing table.
Who holds AS20123
Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.
What AS20123 announces
Prefixes originated by AS20123 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 AS20123 is reached through
The AS just before AS20123 in the paths our looking glass collectors hold, for 1 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.
Routing registry objects
From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.
| Source | as-name | Maintained by |
|---|---|---|
| RADB | ANIN | MAINT-AS36003 |
Route objects with origin AS20123: RADB 7