ResearchRouting table, RPKI, IRR & looking glass

AS271540 J C V A LEAL INFORMATICA LTDA

AS271540 (AS271540) is registered to J C V A LEAL INFORMATICA LTDA in BR. It originates 9 prefixes in the global routing table.

5
IPv4 prefixes
4
IPv6 prefixes
1,024
IPv4 addresses
0%
RPKI valid

Who holds AS271540

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

AS number
AS271540
Handle
AS271540
Organization
J C V A LEAL INFORMATICA LTDA
Country
BR
ASPA
None published

What AS271540 announces

Prefixes originated by AS271540 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
5
IPv6 prefixes
4
IPv4 addresses
1,024 (4 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
9
ROAs naming AS271540
0
With an IRR route object
9 100%

Announced prefixes

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

Who AS271540 is reached through

The AS just before AS271540 in the paths our looking glass collectors hold, for 9 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.