ResearchRouting table, RPKI, IRR & looking glass

AS21554 Wisconsin CyberLynk Network, Inc.

AS21554 (CYBERLYNK) is registered to Wisconsin CyberLynk Network, Inc. in US. It originates 64 prefixes in the global routing table.

62
IPv4 prefixes
2
IPv6 prefixes
32,000
IPv4 addresses
1%
RPKI valid

Who holds AS21554

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

AS number
AS21554
Handle
CYBERLYNK
Organization
Wisconsin CyberLynk Network, Inc.
Country
US
ASPA
None published

What AS21554 announces

Prefixes originated by AS21554 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
62
IPv6 prefixes
2
IPv4 addresses
32,000 (125 /24s)
RPKI valid
1 1%
RPKI invalid
0
RPKI not found
63
ROAs naming AS21554
1
With an IRR route object
64 100%

Who AS21554 is reached through

The AS just before AS21554 in the paths our looking glass collectors hold, for 60 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
RADBRoadRunnerMAINT-RR

Route objects with origin AS21554: RADB 59 · ARIN 17 · ALTDB 4

as-sets that list AS21554 (12)