ResearchRouting table, RPKI, IRR & looking glass

AS21506 Fundacao Universidade de Brasilia

AS21506 (AS21506) is registered to Fundacao Universidade de Brasilia in BR. It originates 2 prefixes in the global routing table.

1
IPv4 prefixes
1
IPv6 prefixes
65,536
IPv4 addresses
0%
RPKI valid

Who holds AS21506

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

AS number
AS21506
Handle
AS21506
Organization
Fundacao Universidade de Brasilia
Country
BR
ASPA
None published

What AS21506 announces

Prefixes originated by AS21506 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
1
IPv6 prefixes
1
IPv4 addresses
65,536 (256 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
2
ROAs naming AS21506
0
With an IRR route object
2 100%

Announced prefixes

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

IPv4 (1)
IPv6 (1)

RPKI valid   RPKI invalid   no ROA covers it

Who AS21506 is reached through

The AS just before AS21506 in the paths our looking glass collectors hold, for 2 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.

Sourceas-nameMaintained by
RADBASN-FUBMAINT-AS21506

Route objects with origin AS21506: RADB 2

as-sets that list AS21506 (10)