ResearchRouting table, RPKI, IRR & looking glass

AS263543 Butzen e Mentges Ltda

AS263543 (AS263543) is registered to Butzen e Mentges Ltda in BR. It originates 11 prefixes in the global routing table.

6
IPv4 prefixes
5
IPv6 prefixes
2,048
IPv4 addresses
100%
RPKI valid

Who holds AS263543

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

AS number
AS263543
Handle
AS263543
Organization
Butzen e Mentges Ltda
Country
BR
ASPA
None published

What AS263543 announces

Prefixes originated by AS263543 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
6
IPv6 prefixes
5
IPv4 addresses
2,048 (8 /24s)
RPKI valid
11 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS263543
3
With an IRR route object
7 63%

Announced prefixes

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

Who AS263543 is reached through

The AS just before AS263543 in the paths our looking glass collectors hold, for 11 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.