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If you are scraping this block for the prefixes that a AS originates, please use the data dumps in https://bgp.tools/kb/api and cache them

	Prefix	Description
	109.164.64.0/20	OS cyrilek.net
	109.164.64.0/19	OS cyrilek.net
	109.164.80.0/20	OS cyrilek.net
	109.164.83.0/24	OS cyrilek.net
	109.164.84.0/24	OS cyrilek.net
	109.164.85.0/24	OS cyrilek.net
	109.164.87.0/24	OS cyrilek.net
	109.164.88.0/24	OS cyrilek.net
	109.164.89.0/24	OS cyrilek.net
	109.164.90.0/24	OS cyrilek.net
	109.164.91.0/24	OS cyrilek.net
	109.164.92.0/24	OS cyrilek.net
	109.164.93.0/24	OS cyrilek.net
	109.164.94.0/24	OS cyrilek.net
	109.164.95.0/24	OS cyrilek.net
	109.164.96.0/24	OS cyrilek.net
	109.164.97.0/24	OS cyrilek.net

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS44489	STARNET, s.r.o.	✔	✘
	AS28725	CETIN a.s.	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS44489	STARNET, s.r.o.	✔	✘
	AS28725	CETIN a.s.	✔	✘

aut-num:        AS51420
as-name:        CYRILEK-AS
org:            ORG-CZ27-RIPE
import:         from AS49931 accept ANY
import:         from AS25424 accept ANY
import:         from AS28725 accept ANY
export:         to AS49931 announce AS51420
export:         to AS25424 announce AS51420
export:         to AS28725 announce AS51420
admin-c:        DUMY-RIPE
tech-c:         DUMY-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         lir-cz-cyrileknet-1-MNT
created:        2010-08-19T11:03:12Z
last-modified:  2024-02-22T08:36:15Z
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-CZ27-RIPE
org-name:       cyrilek.net z.s.
country:        CZ
org-type:       LIR
address:        Dummy address for ORG-CZ27-RIPE
# Email removed, Log into bgp.tools to see whois emails
abuse-c:        AR74256-RIPE
mnt-ref:        lir-cz-cyrileknet-1-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         lir-cz-cyrileknet-1-MNT
created:        2024-02-21T12:50:25Z
last-modified:  2024-02-21T12:50:25Z
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: 2026-03-11T03:24:03Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RIPE	as-sitkom	2
RIPE	as-vodafone-cz-b2b	259
RIPE	as-starnetcz	7
RIPE	as-cetin	62
RIPE	as44489:as-set-starnet	7