ResearchRouting table, RPKI, IRR & looking glass

AS274738 STEFANO FAUSTO DE OLIVEIRA COSTA - ME

AS274738 (AS274738) is registered to STEFANO FAUSTO DE OLIVEIRA COSTA - ME in BR. It originates 3 prefixes in the global routing table.

0
IPv4 prefixes
3
IPv6 prefixes
0%
RPKI valid

Who holds AS274738

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

AS number
AS274738
Handle
AS274738
Organization
STEFANO FAUSTO DE OLIVEIRA COSTA - ME
Country
BR
ASPA
None published

What AS274738 announces

Prefixes originated by AS274738 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
0
IPv6 prefixes
3
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
3
ROAs naming AS274738
0
With an IRR route object
1 33%

Announced prefixes

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

IPv6 (3)

RPKI valid   RPKI invalid   no ROA covers it

Who AS274738 is reached through

The AS just before AS274738 in the paths our looking glass collectors hold, for 3 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.

Route objects with origin AS274738: RADB 1

as-sets that list AS274738 (6)