ResearchRouting table, RPKI, IRR & looking glass

AS266475 SEM FRONTEIRAS TELECOMUNICACOES LTDA

AS266475 (AS266475) is registered to SEM FRONTEIRAS TELECOMUNICACOES LTDA in BR. It originates 40 prefixes in the global routing table.

26
IPv4 prefixes
14
IPv6 prefixes
7,168
IPv4 addresses
47%
RPKI valid

Who holds AS266475

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

AS number
AS266475
Handle
AS266475
Organization
SEM FRONTEIRAS TELECOMUNICACOES LTDA
Country
BR
ASPA
None published

What AS266475 announces

Prefixes originated by AS266475 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
26
IPv6 prefixes
14
IPv4 addresses
7,168 (28 /24s)
RPKI valid
19 47%
RPKI invalid
0
RPKI not found
21
ROAs naming AS266475
2
With an IRR route object
40 100%

Who AS266475 is reached through

The AS just before AS266475 in the paths our looking glass collectors hold, for 40 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.