ResearchRouting table, RPKI, IRR & looking glass

AS20133 CASS INFORMATION SYSTEMS

AS20133 (CASS-COL) is registered to CASS INFORMATION SYSTEMS in US. It originates 1 prefix in the global routing table.

1
IPv4 prefixes
0
IPv6 prefixes
256
IPv4 addresses
0%
RPKI valid

Who holds AS20133

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

AS number
AS20133
Handle
CASS-COL
Organization
CASS INFORMATION SYSTEMS
Country
US
ASPA
None published

What AS20133 announces

Prefixes originated by AS20133 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
1
IPv6 prefixes
0
IPv4 addresses
256 (1 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
1
ROAs naming AS20133
0
With an IRR route object
1 100%

Announced prefixes

Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.

IPv4 (1)

RPKI valid   RPKI invalid   no ROA covers it

Who AS20133 is reached through

The AS just before AS20133 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.

Sourceas-nameMaintained by
RADBRoadRunnerMAINT-RR

Route objects with origin AS20133: RADB 1

as-sets that list AS20133 (4)