Autonomous system profile

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

AS49101

Announcement observedRIPE NCC

KTCT-ASN CEZNET s.r.o. · KTCT-ASN

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

Last active10/4/2026, 10:19:45Snapshot expired

View network topology RDAP registration

ASN: AS49101
Registration country: Czechia
Name: KTCT-ASN CEZNET s.r.o.
Abbreviation: KTCT-ASN
Registration date: 4/14/2009, 09:02:00
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
46.36.32.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 00:00:00	10/4/2026, 00:00:00	✓	×	Currently valid
82.144.128.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 00:00:00	10/4/2026, 00:00:00	✓	×	Currently valid

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

Registration and sources

Organization: KTCT-ASN CEZNET s.r.o.
RIR: RIPE NCC
Registration country: Czechia
Registration date: 4/14/2009, 09:02:00
Abuse contact: dohled@ceznet.cz

Snapshot trend

10/4/2026, 10:19:452 v42 v61 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