ResearchRouting table, RPKI, IRR & looking glass

AS28257 CONCEITOS NET SERVICOS DE COMUNICACAO E MULTIMIDIA

AS28257 (AS28257) is registered to CONCEITOS NET SERVICOS DE COMUNICACAO E MULTIMIDIA in BR. It originates 5 prefixes in the global routing table.

4
IPv4 prefixes
1
IPv6 prefixes
7,168
IPv4 addresses
0%
RPKI valid

Who holds AS28257

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

AS number
AS28257
Handle
AS28257
Organization
CONCEITOS NET SERVICOS DE COMUNICACAO E MULTIMIDIA
Country
BR
ASPA
None published

What AS28257 announces

Prefixes originated by AS28257 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
1
IPv4 addresses
7,168 (28 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
5
ROAs naming AS28257
0
With an IRR route object
4 80%

Announced prefixes

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

IPv4 (4)
IPv6 (1)

RPKI valid   RPKI invalid   no ROA covers it

Who AS28257 is reached through

The AS just before AS28257 in the paths our looking glass collectors hold, for 5 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.