Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS51420

Announcement observedRIPE NCC

CYRILEK-AS cyrilek.net z.s. · CYRILEK-AS

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active10/4/2026, 17:34:50Snapshot expired

View network topology RDAP registration

ASN: AS51420
Registration country: Czechia
Name: CYRILEK-AS cyrilek.net z.s.
Abbreviation: CYRILEK-AS
Registration date: 8/19/2010, 11:03:12
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
109.164.64.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 08:00:00	10/26/2026, 08:00:00	✓	×	Currently valid
109.164.64.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 08:00:00	10/26/2026, 08:00:00	✓	×	Currently valid
109.164.80.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 08:00:00	10/26/2026, 08:00:00	✓	×	Currently valid
109.164.83.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 08:00:00	10/26/2026, 00:00:00	✓	×	Currently valid
109.164.84.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 08:00:00	10/26/2026, 00:00:00	✓	×	Currently valid
109.164.85.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 08:00:00	10/26/2026, 08:00:00	✓	×	Currently valid
109.164.87.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 08:00:00	10/26/2026, 08:00:00	✓	×	Currently valid
109.164.88.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 08:00:00	10/26/2026, 00:00:00	✓	×	Currently valid
109.164.89.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 08:00:00	10/26/2026, 08:00:00	✓	×	Currently valid
109.164.90.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 08:00:00	10/26/2026, 08:00:00	✓	×	Currently valid
109.164.91.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 08:00:00	10/26/2026, 00:00:00	✓	×	Currently valid
109.164.92.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 08:00:00	10/26/2026, 00:00:00	✓	×	Currently valid
109.164.93.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 08:00:00	10/26/2026, 08:00:00	✓	×	Currently valid
109.164.94.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 08:00:00	10/26/2026, 08:00:00	✓	×	Currently valid
109.164.95.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 08:00:00	10/26/2026, 08:00:00	✓	×	Currently valid
109.164.96.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 08:00:00	10/26/2026, 08:00:00	✓	×	Currently valid
109.164.96.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 08:00:00	10/26/2026, 08:00:00	✓	×	Currently valid
109.164.97.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 08:00:00	10/26/2026, 08:00:00	✓	×	Currently valid

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: CYRILEK-AS cyrilek.net z.s.
RIR: RIPE NCC
Registration country: Czechia
Registration date: 8/19/2010, 11:03:12
Abuse contact: info@cyrilek.net

Snapshot trend

10/4/2026, 17:34:5018 v40 v62 Upstream · 0 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · rir-rdap-asn · iana-rdap-asn-bootstrap