ResearchRouting table, RPKI, IRR & looking glass

AS275651 A DE CASTRO FERREIRA LTDA

AS275651 (AS275651) is registered to A DE CASTRO FERREIRA LTDA in BR. It originates 1 prefix in the global routing table.

0
IPv4 prefixes
1
IPv6 prefixes
0%
RPKI valid

Who holds AS275651

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

AS number
AS275651
Handle
AS275651
Organization
A DE CASTRO FERREIRA LTDA
Country
BR
ASPA
None published

What AS275651 announces

Prefixes originated by AS275651 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
1
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
1
ROAs naming AS275651
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.

IPv6 (1)

RPKI valid   RPKI invalid   no ROA covers it

Who AS275651 is reached through

The AS just before AS275651 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
TCACESSNET-TELECOMMAINT-AS275651

Route objects with origin AS275651: TC 1

as-sets that list AS275651 (8)