ResearchRouting table, RPKI, IRR & looking glass

AS41981 Flying Circus Internet Operations GmbH

AS41981 (FCIO) is registered to Flying Circus Internet Operations GmbH in DE. It originates 8 prefixes in the global routing table.

4
IPv4 prefixes
4
IPv6 prefixes
1,024
IPv4 addresses
100%
RPKI valid

Who holds AS41981

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

AS number
AS41981
Handle
FCIO
Organization
Flying Circus Internet Operations GmbH
Country
DE
ASPA
2 providers

What AS41981 announces

Prefixes originated by AS41981 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
4
IPv4 addresses
1,024 (4 /24s)
RPKI valid
8 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS41981
8
With an IRR route object
8 100%

Announced prefixes

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

Who AS41981 is reached through

The AS just before AS41981 in the paths our looking glass collectors hold, for 8 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Provider authorization

AS41981 publishes an ASPA naming these providers. Check a path.

Routing registry objects

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

Sourceas-nameMaintained by
RIPEFCIORIPE-NCC-END-MNT, DE-FCIO-1-MNT

Route objects with origin AS41981: RIPE 8

as-sets that list AS41981 (5)