ResearchRouting table, RPKI, IRR & looking glass

AS53181 Avanca Telecom e Servicos LTDA

AS53181 (AS53181) is registered to Avanca Telecom e Servicos LTDA in BR. It originates 21 prefixes in the global routing table.

4
IPv4 prefixes
17
IPv6 prefixes
10,240
IPv4 addresses
100%
RPKI valid

Who holds AS53181

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

AS number
AS53181
Handle
AS53181
Organization
Avanca Telecom e Servicos LTDA
Country
BR
ASPA
None published

What AS53181 announces

Prefixes originated by AS53181 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
17
IPv4 addresses
10,240 (40 /24s)
RPKI valid
21 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS53181
6
With an IRR route object
21 100%

Who AS53181 is reached through

The AS just before AS53181 in the paths our looking glass collectors hold, for 21 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Provider authorization

AS53181 publishes no ASPA of its own. 6 ASes name it as a provider in theirs. Check a path.

The 6 ASes that name AS53181 as a provider