ResearchRouting table, RPKI, IRR & looking glass

AS51420 cyrilek.net z.s.

AS51420 (CYRILEK-AS) is registered to cyrilek.net z.s. in CZ. It originates 18 prefixes in the global routing table.

18
IPv4 prefixes
0
IPv6 prefixes
8,704
IPv4 addresses
100%
RPKI valid

Who holds AS51420

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

AS number
AS51420
Handle
CYRILEK-AS
Organization
cyrilek.net z.s.
Country
CZ
ASPA
None published

What AS51420 announces

Prefixes originated by AS51420 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
18
IPv6 prefixes
0
IPv4 addresses
8,704 (34 /24s)
RPKI valid
18 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS51420
18
With an IRR route object
14 77%

Announced prefixes

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

Who AS51420 is reached through

The AS just before AS51420 in the paths our looking glass collectors hold, for 18 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
RIPECYRILEK-ASRIPE-NCC-END-MNT, LIR-CZ-CYRILEKNET-1-MNT

Route objects with origin AS51420: RIPE 18

as-sets that list AS51420 (5)