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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
	87.242.67.0/24	LLC "MASTERHOST"
	90.156.200.0/21	LLC "MASTERHOST"
	90.156.201.0/24	Masterhost.ru is a hosting and technical support orga...
	83.222.4.0/24	LLC "MASTERHOST"
	83.222.4.0/23	LLC "MASTERHOST"
	83.222.5.0/24	LLC "MASTERHOST"
	83.222.12.0/22	LLC "MASTERHOST"
	83.222.12.0/24	Masterhost is a hosting and technical support organization.
	83.222.14.0/24	Masterhost is a hosting and technical support organization.
	83.222.15.0/24	Masterhost is a hosting and technical support organization.
	87.242.64.0/23	LLC "MASTERHOST"
	87.242.68.0/22	LLC "MASTERHOST"
	87.242.72.0/24	LLC "MASTERHOST"
	87.242.72.0/22	LLC "MASTERHOST"
	87.242.73.0/24	LLC "MASTERHOST"
	87.242.74.0/24	LLC "MASTERHOST"
	87.242.75.0/24	LLC "MASTERHOST"
	87.242.80.0/24	ASoft is the leading developer of customer relationsh...
	87.242.80.0/22	LLC "MASTERHOST"
	87.242.81.0/24	-
	87.242.82.0/24	LLC "MASTERHOST"
	87.242.83.0/24	LLC "MASTERHOST"
	90.156.128.0/20	LLC "MASTERHOST"
	90.156.128.0/24	Regtime Ltd, Samara, domain name registrar, hosting p...
	90.156.129.0/24	LLC "MASTERHOST"
	90.156.132.0/24	LLC "MASTERHOST"
	90.156.139.0/24	LLC "MASTERHOST"
	90.156.140.0/24	LLC "MASTERHOST"
	90.156.141.0/24	LLC "MASTERHOST"
	90.156.200.0/24	Masterhost.ru is a hosting and technical support orga...
	90.156.204.0/22	LLC "MASTERHOST"
	90.156.240.0/22	LLC "MASTERHOST"
	2a00:15f8::/32	LLC "MASTERHOST"
	2a00:15f8:a000::/48	LLC "MASTERHOST"
	2a00:15f8:a002::/48	LLC "MASTERHOST"
	2a00:15f8:a003::/48	LLC "MASTERHOST"

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS9002	RETN Limited	✔	✔
	AS50509	Transroute.Net	✔	✘
	AS59692	IQWeb FZ-LLC	✔	✘
	AS57724	DDOS-GUARD LTD	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS9002	RETN Limited	✔	✔
	AS50509	Transroute.Net	✔	✔
	AS6939	Hurricane Electric LLC	✔	✔
	AS59692	IQWeb FZ-LLC	✔	✘
	AS137409	GSL Networks Pty LTD	✔	✔
	AS25091	IP-Max SA	✔	✔
	AS50629	LWLcom GmbH	✔	✘
	AS24940	Hetzner Online GmbH	✔	✔
	AS61049	Exascale Ltd	✔	✘
	AS34927	iFog GmbH	✔	✘
	AS52025	ParadoxNetworks Limited	✔	✔
	AS57724	DDOS-GUARD LTD	✔	✘
	AS49418	NETSHIELD LTD	✔	✘
	AS14840	BR.DIGITAL	✔	✘
	AS20495	We Dare B.V.	✔	✘
	AS213576	Robert Weir	✔	✘
	AS62222	QuickSoft LLC	✔	✔
	AS209823	Enki Multimedia EURL	✔	✘
	AS49434	FBW NETWORKS SAS	✔	✘
	AS207176	OPENFIBER B.V.	✔	✘
	AS44901	Belcloud LTD	✔	✘
	AS212477	RoyaleHosting B.V.	✔	✘
	AS44854	Arend Brouwer	✔	✘
	AS215248	Bastiaan Mathijs Brink	✔	✔
	AS57344	Telehouse EAD	✔	✘
	AS213409	Daniil Koval	✔	✘
	AS22356	Durand do Brasil Ltda	✔	✘
	AS49600	NEAR IP, S.L.	✔	✘
	AS31500	Global Network Management Inc	✔	✔
	AS60345	icixs networks GmbH	✔	✘
	AS53062	ALT | GRUPO BRASIL TECPAR	✔	✘
	AS34170	Aztelekom LLC	✔	✘
	AS24482	SG.GS	✔	✔
	AS57304	RETN Russia	✔	✔
	AS32590	Valve Corporation	✔	✔
	AS8932	Ucom CJSC	✔	✔
	AS212591	N1 Solutions B.V. trading as PLTFRMS	✔	✔
	AS211623	NAML B.V.	✔	✔
	AS36236	NetActuate, Inc	✔	✔
	AS2854	LLC Orange Business Services	✔	✔
	AS205112	PHILUNET GmbH	✔	✘
	AS215296	Raoul Brouns	✔	✘
	AS42093	InterRacks B.V.	✔	✘
	AS214380	Tim de Boer trading as tim427.net	✔	✘
	AS29049	Delta Telecom Ltd	✔	✘
	AS48011	Turunc Smart Bilgisayar Teknoloji Ve Dis Ticaret Limi...	✔	✘
	AS29119	AIRE NETWORKS DEL MEDITERRANEO SL UNIPERSONAL	✔	✘
	AS212895	Johannes Ernst	✔	✘
	AS55818	Matrix Cable Internet Exchange	✔	✘
	AS196925	AZERTELECOM LLC	✔	✔
	AS10099	China Unicom Global	✔	✔
	AS3267	National Research Computer Network of Russia	✘	✔
	AS9498	Bharti Airtel Ltd.	✔	✘
	AS30823	aurologic GmbH	✔	✘
	AS56630	Melbikomas UAB	✔	✘
	AS15169	Google LLC	✔	✘
	AS49581	Ferdinand Zink trading as Tube-Hosting	✔	✘

aut-num:        AS25532
org:            ORG-MA30-RIPE
as-name:        MASTERHOST-AS
descr:          Moscow, Russia
remarks:        ------------------------------------------------------------
remarks:        Customers:
import:         from AS25227 action pref=500; accept AS-AVANTEL-MSK
export:         to AS25227 announce AS-MASTERHOST
import:         from AS21453 action pref=500; accept AS-FLEX
export:         to AS21453 announce AS-MASTERHOST
remarks:        Peers:
import:         from AS8359 accept AS-MTU
export:         to AS8359 announce AS-MASTERHOST
import:         from AS9002 accept AS-RETN
export:         to AS9002 announce AS-MASTERHOST
export:         to AS9002 announce AS-MASTERHOST-TRANSIT
import:         from AS13238 accept AS-YANDEX
export:         to AS13238 announce AS-MASTERHOST
import:         from AS43832 accept AS-NS5_RIPN_NET
export:         to AS43832 announce AS-MASTERHOST
import:         from AS8631 accept AS-MSKROUTESERVER
export:         to AS8631 announce AS-MASTERHOST
import:         from AS29076 accept AS-CITYTELECOM
export:         to AS29076 announce AS-MASTERHOST
import:         from AS33972 accept AS33972
import:         from AS49869 accept AS-PITER-IX-MSK
export:         to AS49869 announce AS-MASTERHOST
export:         to AS33972 announce ANY
remarks:        Upstreams:
import:         from AS9002 accept ANY
export:         to AS9002 announce AS-MASTERHOST
export:         to AS9002 announce AS-MASTERHOST-TRANSIT
import:         from AS31133 accept ANY
export:         to AS31133 announce AS-MASTERHOST
import:         from AS56630 accept ANY
export:         to AS56630 announce AS-MASTERHOST
import:         from AS6939 accept ANY
export:         to AS6939 announce AS-MASTERHOST
import:         from AS50509 accept ANY
export:         to AS50509 announce AS-MASTERHOST
remarks:        ------------------------------------------------------------
admin-c:        DUMY-RIPE
tech-c:         DUMY-RIPE
status:         ASSIGNED
notify:         noc@masterhost.ru
mnt-by:         MASTERHOST-MNT
mnt-by:         RIPE-NCC-END-MNT
created:        2002-12-27T09:53:44Z
last-modified:  2021-07-04T12:01:38Z
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-MA30-RIPE
org-name:       LLC "MASTERHOST"
country:        RU
org-type:       LIR
address:        Dummy address for ORG-MA30-RIPE
# Email removed, Log into bgp.tools to see whois emails
mnt-ref:        MASTERHOST-MNT
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MASTERHOST-MNT
abuse-c:        MHST-RIPE
created:        2004-04-17T11:54:55Z
last-modified:  2021-08-18T08:33:47Z
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: 2026-03-11T03:23:53Z UTC

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Member of the following AS-SETs

-	Member
RIPE	as-rus-korabl-nahui
RADB	as-hurricanev6
RIPE	as59692:as-iqweb
RIPE	as-transroute-quickfix
RIPE	as-retn-actual-v4
RIPE	as-mtu
RIPE	as-masterhost-transit
RIPE	as50581:as-block
RIPE	as-masterhost
RADB	as-btn-customers
LEVEL3	as-level3-origins-eu
RIPE	as-masterhost6
RIPE	as-blocked-ru
RIPE	as-retn-actual-v6
RIPE	as-kdp-russia
RIPE	as-masterhost-temp
RIPE	as-mtu2
RIPE	as-indrik
RIPE	as-ddos-guard
RIPE	as-transroute-spec
RIPE	as-block-set
RADB	as-hurricane