Autonomous system profile

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

AS201447

Announcement observedRIPE NCC

The Czech National Bank · AS_CNB

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

Last active10/10/2026, 01:50:24Snapshot expired

View network topology RDAP registration

ASN: AS201447
Registration country: Czechia
Name: The Czech National Bank
Abbreviation: AS_CNB
Registration date: 11/9/2022, 14:41:02
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
193.84.155.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/25/2026, 16:00:00	10/18/2026, 16:00:00	✓	×	Historical record
193.84.156.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/25/2026, 16:00:00	10/18/2026, 16:00:00	✓	×	Historical record
193.84.157.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/25/2026, 16:00:00	10/18/2026, 16:00:00	✓	×	Historical record
193.84.159.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/25/2026, 16:00:00	10/18/2026, 16:00:00	✓	×	Historical record

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

Registration and sources

Organization: The Czech National Bank
RIR: RIPE NCC
Registration country: Czechia
Registration date: 11/9/2022, 14:41:02
Abuse contact: abuse@cnb.cz

Snapshot trend

10/10/2026, 01:50:244 v40 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