ResearchRouting table, RPKI, IRR & looking glass

AS27365 Cengage Learning, Inc.

AS27365 (CENGAGE-OHCIN) is registered to Cengage Learning, Inc. in US. It originates 27 prefixes in the global routing table.

27
IPv4 prefixes
0
IPv6 prefixes
14,080
IPv4 addresses
0%
RPKI valid

Who holds AS27365

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

AS number
AS27365
Handle
CENGAGE-OHCIN
Organization
Cengage Learning, Inc.
Country
US
ASPA
None published

What AS27365 announces

Prefixes originated by AS27365 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
27
IPv6 prefixes
0
IPv4 addresses
14,080 (55 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
27
ROAs naming AS27365
0
With an IRR route object
26 96%

Who AS27365 is reached through

The AS just before AS27365 in the paths our looking glass collectors hold, for 27 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
RADBRoadRunnerMAINT-RR

Route objects with origin AS27365: ALTDB 32 · RADB 2

as-sets that list AS27365 (8)