ResearchRouting table, RPKI, IRR & looking glass

AS27336 Sentara Healthcare

AS27336 (SENTARA-HEALTH-CARE) is registered to Sentara Healthcare in US. It originates 22 prefixes in the global routing table.

22
IPv4 prefixes
0
IPv6 prefixes
65,536
IPv4 addresses
0%
RPKI valid

Who holds AS27336

Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.

AS number
AS27336
Handle
SENTARA-HEALTH-CARE
Organization
Sentara Healthcare
Country
US
ASPA
None published

What AS27336 announces

Prefixes originated by AS27336 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
22
IPv6 prefixes
0
IPv4 addresses
65,536 (256 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
22
ROAs naming AS27336
0
With an IRR route object
12 54%

Who AS27336 is reached through

The AS just before AS27336 in the paths our looking glass collectors hold, for 22 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.

Sourceas-nameMaintained by
RADBSENTARAMAINT-AS7795

Route objects with origin AS27336: RADB 14 · ARIN 8 · LEVEL3 1

as-sets that list AS27336 (12)