ResearchRouting table, RPKI, IRR & looking glass

AS273893 COSAN TELECOM C.A.

AS273893 (AS273893) is registered to COSAN TELECOM C.A. in VE. It originates 4 prefixes in the global routing table.

2
IPv4 prefixes
2
IPv6 prefixes
512
IPv4 addresses
100%
RPKI valid

Who holds AS273893

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

AS number
AS273893
Handle
AS273893
Organization
COSAN TELECOM C.A.
Country
VE
ASPA
None published

What AS273893 announces

Prefixes originated by AS273893 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
2
IPv6 prefixes
2
IPv4 addresses
512 (2 /24s)
RPKI valid
4 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS273893
2
With an IRR route object
3 75%

Announced prefixes

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

IPv4 (2)
IPv6 (2)

RPKI valid   RPKI invalid   no ROA covers it

Who AS273893 is reached through

The AS just before AS273893 in the paths our looking glass collectors hold, for 4 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
LACNICAS273893MNT-VE-CTCA18-LACNIC

Route objects with origin AS273893: ARIN 3 · LACNIC 1 · RADB 1

as-sets that list AS273893 (1)