Autonomous system profile

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

AS20701

Announcement observedRIPE NCC

CZ.NIC, z.s.p.o. · CZNIC-AS3

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

Last active10/16/2026, 00:00:00Snapshot expired

View network topology RDAP registration

ASN: AS20701
Registration country: Czechia
Name: CZ.NIC, z.s.p.o.
Abbreviation: CZNIC-AS3
Registration date: 6/20/2002, 17:41:54
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
185.43.135.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/1/2026, 00:00:00	✓	×	Historical record
193.17.47.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/1/2026, 00:00:00	✓	×	Historical record

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

Registration and sources

Organization: CZ.NIC, z.s.p.o.
RIR: RIPE NCC
Registration country: Czechia
Registration date: 6/20/2002, 17:41:54
Abuse contact: abuse@nic.cz

Snapshot trend

10/1/2026, 05:51:332 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 · iana-rdap-asn-bootstrap · rir-rdap-asn · cha-la-bgp-observations