ResearchRouting table, RPKI, IRR & looking glass

AS52561 GFOUR TELECOM

AS52561 (AS52561) is registered to GFOUR TELECOM in BR. It originates 12 prefixes in the global routing table.

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

Who holds AS52561

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

AS number
AS52561
Handle
AS52561
Organization
GFOUR TELECOM
Country
BR
ASPA
None published

What AS52561 announces

Prefixes originated by AS52561 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
6
IPv4 addresses
2,048 (8 /24s)
RPKI valid
12 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS52561
3
With an IRR route object
12 100%

Announced prefixes

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

Who AS52561 is reached through

The AS just before AS52561 in the paths our looking glass collectors hold, for 12 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.