ResearchRouting table, RPKI, IRR & looking glass

AS274476 ALTERNATIVA INTERNET E SERVICOS LTDA

AS274476 (AS274476) is registered to ALTERNATIVA INTERNET E SERVICOS LTDA in BR. It originates 1 prefix in the global routing table.

0
IPv4 prefixes
1
IPv6 prefixes
100%
RPKI valid

Who holds AS274476

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

AS number
AS274476
Handle
AS274476
Organization
ALTERNATIVA INTERNET E SERVICOS LTDA
Country
BR
ASPA
None published

What AS274476 announces

Prefixes originated by AS274476 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
1 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS274476
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.

IPv6 (1)

RPKI valid   RPKI invalid   no ROA covers it

Who AS274476 is reached through

The AS just before AS274476 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
TCAS-ALTERNATIVAMAINT-AS274476

Route objects with origin AS274476: TC 1

as-sets that list AS274476 (1)