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	Prefix	Description
	37.230.252.0/24	JSC Zentr

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS1299	Arelion (fka. Telia Carrier)	✔	✘
	AS29076	Citytelecom LLC	✔	✘
	AS24936	Plusinfo OOO	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS29076	Citytelecom LLC	✔	✘
	AS1299	Arelion (fka. Telia Carrier)	✔	✘
	AS24936	Plusinfo OOO	✔	✘
	AS12722	RECONN LLC	✔	✘

aut-num:        AS211932
as-name:        Olymp-AS
org:            ORG-JC148-RIPE
sponsoring-org: ORG-LL38-RIPE
import:         from AS8491 accept ANY
export:         to AS8491 announce AS211932
import:         from AS24936 accept ANY
export:         to AS24936 announce AS211932
import:         from AS33842 accept ANY
export:         to AS33842 announce AS211932
admin-c:        DUMY-RIPE
tech-c:         DUMY-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         LIDERTELECOM-mnt
created:        2021-01-27T15:00:11Z
last-modified:  2026-01-05T13:29:06Z
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-JC148-RIPE
org-name:       JOINT-STOCK COMPANY "ZENTR"
org-type:       OTHER
address:        Dummy address for ORG-JC148-RIPE
country:        RU
# Email removed, Log into bgp.tools to see whois emails
abuse-c:        ACRO62959-RIPE
mnt-ref:        LIDERTELECOM-mnt
created:        2025-12-29T08:54:27Z
last-modified:  2025-12-29T09:03:54Z
source:         RIPE
mnt-by:         LIDERTELECOM-mnt
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: 2026-02-15T03:24:16Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RIPE	as-rim2000m	4
RIPE	as1299:as-twelve99-ru-v6	72455
RIPE	as-bsh	6
RIPE	as-citytelecom-msk	71
RADB	as3491:as-customers-eu	83953
RIPE	as-reconn	58
RIPE	as1299:as-twelve99-ru-v4	73461
RIPE	as41194:as-rascom	2549
RADB	as-hurricane	24649