Autonomous system profile

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

AS42306

Announcement observedRIPE NCC

CEZNET s.r.o. · EDERA_Group

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

Last active10/22/2026, 14:49:04Snapshot expired

View network topology RDAP registration

ASN: AS42306
Registration country: Czechia
Name: CEZNET s.r.o.
Abbreviation: EDERA_Group
Registration date: 2/19/2007, 15:00:12
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
176.123.12.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Historical record
185.134.160.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Historical record
185.137.144.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Historical record
37.44.208.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Historical record
46.253.104.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Historical record
46.253.96.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Historical record
77.236.192.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Historical record
93.89.144.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Historical record

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

Registration and sources

Organization: CEZNET s.r.o.
RIR: RIPE NCC
Registration country: Czechia
Registration date: 2/19/2007, 15:00:12
Abuse contact: dohled@ceznet.cz

Snapshot trend

10/22/2026, 14:49:048 v44 v611 Upstream · 8 Uncertain

10/21/2026, 08:49:398 v44 v69 Upstream · 8 Uncertain

10/17/2026, 22:13:118 v44 v612 Upstream · 13 Uncertain

10/3/2026, 14:20:388 v44 v613 Upstream · 12 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 · iana-rdap-asn-bootstrap · rir-rdap-asn