ResearchRouting table, RPKI, IRR & looking glass

AS271291 CS+TELECOMUNICACOES LTDA

AS271291 (AS271291) is registered to CS+TELECOMUNICACOES LTDA in BR. It originates 11 prefixes in the global routing table.

4
IPv4 prefixes
7
IPv6 prefixes
1,024
IPv4 addresses
0%
RPKI valid

Who holds AS271291

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

AS number
AS271291
Handle
AS271291
Organization
CS+TELECOMUNICACOES LTDA
Country
BR
ASPA
None published

What AS271291 announces

Prefixes originated by AS271291 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
4
IPv6 prefixes
7
IPv4 addresses
1,024 (4 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
11
ROAs naming AS271291
0
With an IRR route object
11 100%

Announced prefixes

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

Who AS271291 is reached through

The AS just before AS271291 in the paths our looking glass collectors hold, for 11 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.