AS21608 Blue Cross Blue Shield of Illinois or Blue Cross Blue Shield of Texas
AS21608 (HCSCNET10) is registered to Blue Cross Blue Shield of Illinois or Blue Cross Blue Shield of Texas in US. It originates 1 prefix in the global routing table.
Who holds AS21608
Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.
What AS21608 announces
Prefixes originated by AS21608 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 AS21608 is reached through
The AS just before AS21608 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.
Route objects with origin AS21608: RADB 1