ResearchRouting table, RPKI, IRR & looking glass

AS263250 Barbosa & Costa Ltda

AS263250 (AS263250) is registered to Barbosa & Costa Ltda in BR. It originates 56 prefixes in the global routing table.

53
IPv4 prefixes
3
IPv6 prefixes
9,216
IPv4 addresses
100%
RPKI valid

Who holds AS263250

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

AS number
AS263250
Handle
AS263250
Organization
Barbosa & Costa Ltda
Country
BR
ASPA
None published

What AS263250 announces

Prefixes originated by AS263250 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
53
IPv6 prefixes
3
IPv4 addresses
9,216 (36 /24s)
RPKI valid
56 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS263250
3
With an IRR route object
55 98%

Who AS263250 is reached through

The AS just before AS263250 in the paths our looking glass collectors hold, for 56 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.