ResearchRouting table, RPKI, IRR & looking glass

AS31952 Calamos Advisors LLC

AS31952 (CAL-NAP-ASN) is registered to Calamos Advisors LLC in US. It originates 1 prefix in the global routing table.

1
IPv4 prefixes
0
IPv6 prefixes
256
IPv4 addresses
100%
RPKI valid

Who holds AS31952

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

AS number
AS31952
Handle
CAL-NAP-ASN
Organization
Calamos Advisors LLC
Country
US
ASPA
None published

What AS31952 announces

Prefixes originated by AS31952 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
1 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS31952
1
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 AS31952 is reached through

The AS just before AS31952 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
RADBCAL-NAP-ASNMAINT-AS31952

Route objects with origin AS31952: RADB 3 · LEVEL3 2

as-sets that list AS31952 (4)