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	Prefix	Description
	193.84.155.0/24	The Czech National Bank
	193.84.156.0/24	The Czech National Bank
	193.84.157.0/24	The Czech National Bank
	193.84.159.0/24	The Czech National Bank

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS6855	Slovak Telekom, a.s.	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS6855	Slovak Telekom, a.s.	✔	✘

aut-num:        AS201447
as-name:        AS_CNB
org:            ORG-TCNB1-RIPE
import:         from AS5588 accept ANY
export:         to AS5588 announce AS201447
import:         from AS6855 accept ANY
export:         to AS6855 announce AS201447
admin-c:        DUMY-RIPE
tech-c:         DUMY-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-CNB
created:        2022-11-09T14:41:02Z
last-modified:  2022-11-09T14:41:02Z
source:         RIPE
remarks:        ****************************
remarks:        * THIS OBJECT IS MODIFIED
remarks:        * Please note that all data that is generally regarded as personal
remarks:        * data has been removed from this object.
remarks:        * To view the original object, please query the RIPE Database at:
remarks:        * http://www.ripe.net/whois
remarks:        ****************************


organisation:   ORG-TCNB1-RIPE
org-name:       The Czech National Bank
country:        CZ
org-type:       LIR
address:        Dummy address for ORG-TCNB1-RIPE
# Email removed, Log into bgp.tools to see whois emails/phone numbers
abuse-c:        CNB13-CZ
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        MNT-CNB
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-CNB
created:        2013-08-05T14:32:19Z
last-modified:  2026-04-29T05:24:40Z
source:         RIPE
remarks:        ****************************
remarks:        * THIS OBJECT IS MODIFIED
remarks:        * Please note that all data that is generally regarded as personal
remarks:        * data has been removed from this object.
remarks:        * To view the original object, please query the RIPE Database at:
remarks:        * http://www.ripe.net/whois
remarks:        ****************************

Last Update: 2026-05-06T03:24:15Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RIPE	as-gtscz-cust	137