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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
	5.43.224.0/21	Host-Telecom.com s.r.o.
	45.10.191.0/24	INTERCONNECT SM LLC
	45.151.183.0/24	Navox co.,Ltd
	46.8.113.0/24	Retzor-com
	91.209.77.0/24	Park-Web LLC
	135.106.134.0/23	Fiber Ltd
	158.255.32.0/21	Host-Telecom.com s.r.o.
	158.255.39.0/24	HOST-TELECOM.COM s.r.o.
	176.74.216.0/21	Host-Telecom.com s.r.o.
	185.8.56.0/22	Host-Telecom.com s.r.o.
	188.124.56.0/21	Host-Telecom.com s.r.o.
	188.130.208.0/24	Mastersoft S.R.L.
	192.145.98.0/24	Retzor-org
	193.161.84.0/22	Host-Telecom.com s.r.o.
	2a03:1840::/48	Host-Telecom.com s.r.o.
	2a03:1840:1::/48	Host-Telecom.com s.r.o.
	2a03:1840:2::/48	Host-Telecom.com s.r.o. DC2
	2a03:1840:3::/48	Host-Telecom.com s.r.o. DC2
	2a10:9687::/32	Alex Group LLC

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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)	✔	✔
	AS174	Cogent Communications, LLC	✔	✔
	AS3223	Voxility LLP	✔	✘
	AS9002	RETN Limited	✔	✔
	AS29208	Quantcom, a.s.	✔	✘

---

Peers

	ASN	Description	IPv4	IPv6
	AS62212	SmartApe OU	✔	✔
	AS1299	Arelion (fka. Telia Carrier)	✔	✔
	AS174	Cogent Communications, LLC	✔	✔
	AS9002	RETN Limited	✔	✔
	AS3223	Voxility LLP	✔	✘
	AS29208	Quantcom, a.s.	✔	✘
	AS6939	Hurricane Electric LLC	✔	✔
	AS199669	Okay-Telecom Ltd.	✔	✘
	AS137409	GSL Networks Pty LTD	✔	✘
	AS24940	Hetzner Online GmbH	✔	✔
	AS34927	iFog GmbH	✔	✔
	AS61049	Exascale Ltd	✔	✘
	AS8218	Zayo Europe	✔	✔
	AS6204	INTERKVM HOST SRL	✔	✔
	AS50629	LWLcom GmbH	✔	✘
	AS25091	IP-Max SA	✔	✘
	AS14840	BR.DIGITAL	✔	✔
	AS52025	ParadoxNetworks Limited	✔	✔
	AS49544	i3D.net B.V	✔	✔
	AS213576	Robert Weir	✔	✘
	AS207176	OPENFIBER B.V.	✔	✔
	AS209823	Enki Multimedia EURL	✔	✘
	AS1764	Next Layer Telecommunications	✔	✔
	AS49434	FBW NETWORKS SAS	✔	✘
	AS212477	RoyaleHosting B.V.	✔	✘
	AS33891	Core-Backbone GmbH	✔	✘
	AS44854	Arend Brouwer	✔	✘
	AS50698	TETA s.r.o.	✔	✔
	AS51184	Fonira Telekom GmbH	✔	✔
	AS40994	Alwyzon (Hohl IT)	✔	✔
	AS49121	Infinity Telecom, s.r.o.	✔	✔
	AS32590	Valve Corporation	✔	✔
	AS211623	NAML B.V.	✔	✔
	AS49418	NETSHIELD LTD	✔	✘
	AS212895	Johannes Ernst	✔	✘
	AS60345	icixs networks GmbH	✔	✘
	AS21430	WIA spol. s.r.o.	✔	✘
	AS57344	Telehouse EAD	✔	✘
	AS53062	ALT | GRUPO BRASIL TECPAR	✔	✘
	AS20495	We Dare B.V.	✔	✘
	AS4455	IX Reach Ltd	✔	✘
	AS215248	Bastiaan Mathijs Brink	✔	✔
	AS42473	Anexia Cloud Solutions GmbH	✔	✔
	AS57304	RETN Russia	✔	✔
	AS36236	NetActuate, Inc	✔	✔
	AS214380	Tim de Boer trading as tim427.net	✔	✔
	AS24482	SG.GS	✔	✔
	AS212591	N1 Solutions B.V. trading as PLTFRMS	✔	✔
	AS199524	Gcore S.A.	✔	✔
	AS50509	Transroute.Net	✔	✔
	AS42093	InterRacks B.V.	✔	✘
	AS48011	Turunc Smart Bilgisayar Teknoloji Ve Dis Ticaret Limi...	✔	✘
	AS49600	NEAR IP, S.L.	✔	✘
	AS215296	Raoul Brouns	✔	✘
	AS1820	WNET TELECOM USA Corp.	✔	✔
	AS21215	UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd	✔	✘
	AS29119	AIRE NETWORKS DEL MEDITERRANEO SL UNIPERSONAL	✔	✘
	AS47927	WIFIWEB s.r.l.	✘	✔
	AS2852	CESNET z.s.p.o.	✔	✘
	AS6663	Türk Telekom International	✔	✘

---

Downstreams

	ASN	Description	IPv4	IPv6
	AS62212	SmartApe OU	✔	✔
	AS199669	Okay-Telecom Ltd.	✔	✘

aut-num:        AS51248
as-name:        HOST-TELECOM
org:            ORG-Hs41-RIPE
remarks:        -----------------------------------------------
remarks:        --= Okay-Telecom Ltd. =--
import:         from AS199669 accept AS-ATLEX
export:         to AS199669 announce AS-HOST-TELECOM-CZ
mp-import:      afi ipv6.unicast from AS199669 accept AS-ATLEX
mp-export:      afi ipv6.unicast to AS199669 announce AS-HOST-TELECOM-CZ
remarks:        --= Cogent Communications =--
import:         from AS174 accept ANY
export:         to AS174 announce AS-HOST-TELECOM-CZ
mp-import:      afi ipv6.unicast from AS174 accept ANY
mp-export:      afi ipv6.unicast to AS174 announce AS-HOST-TELECOM-CZ
remarks:        --= Dial Telecom, a.s. =--
import:         from AS29208 accept ANY
export:         to AS29208 announce AS-HOST-TELECOM-CZ
mp-import:      afi ipv6.unicast from AS29208 accept ANY
mp-export:      afi ipv6.unicast to AS29208 announce AS-HOST-TELECOM-CZ
remarks:        --= NIX.CZ z.s.p.o. =--
import:         from AS6881 accept ANY
export:         to AS6881 announce AS-HOST-TELECOM-CZ
mp-import:      afi ipv6.unicast from AS6881 accept ANY
mp-export:      afi ipv6.unicast to AS6881 announce AS-HOST-TELECOM-CZ
remarks:        --= Hurricane Electric, Inc. =--
import:         from AS6939 accept ANY
export:         to AS6939 announce AS-HOST-TELECOM-CZ
remarks:        --= ReTN.net Autonomous System =--
import:         from AS9002 accept ANY
export:         to AS9002 announce AS-HOST-TELECOM-CZ
mp-import:      afi ipv6.unicast from AS9002 accept ANY
mp-export:      afi ipv6.unicast to AS9002 announce AS-HOST-TELECOM-CZ
remarks:        --= GBXS-AS M247 Ltd =--
import:         from AS9009 accept ANY
export:         to AS9009 announce AS-HOST-TELECOM-CZ
mp-import:      afi ipv6.unicast from AS9009 accept ANY
mp-export:      afi ipv6.unicast to AS9009 announce AS-HOST-TELECOM-CZ
remarks:        --= GlobalNet LLC =--
import:         from AS31500 accept ANY
export:         to AS31500 announce AS-HOST-TELECOM-CZ
mp-import:      afi ipv6.unicast from AS31500 accept ANY
mp-export:      afi ipv6.unicast to AS31500 announce AS-HOST-TELECOM-CZ
remarks:        --= Voxility S.R.L. =--
import:         from AS3223 accept ANY
export:         to AS3223 announce AS-HOST-TELECOM-CZ
export:         to AS3223 announce AS199669
mp-import:      afi ipv6.unicast from AS3223 accept ANY
mp-export:      afi ipv6.unicast to AS3223 announce AS-HOST-TELECOM-CZ
remarks:        --= Arelion Sweden AB =--
import:         from AS1299 accept ANY
export:         to AS1299 announce AS-HOST-TELECOM-CZ
mp-import:      afi ipv6.unicast from AS1299 accept ANY
mp-export:      afi ipv6.unicast to AS1299 announce AS-HOST-TELECOM-CZ
remarks:        --= Kaora, s.r.o. =--
import:         from AS42000 accept ANY
export:         to AS42000 announce AS-HOST-TELECOM-CZ
remarks:        --= NIX.CZ z.s.p.o. =--
import:         from AS47200 accept ANY
export:         to AS47200 announce AS-HOST-TELECOM-CZ
mp-import:      afi ipv6.unicast from AS47200 accept ANY
mp-export:      afi ipv6.unicast to AS47200 announce AS-HOST-TELECOM-CZ
remarks:        --= Facebook Corp =--
import:         from AS32934 accept ANY
export:         to AS32934 announce AS-HOST-TELECOM-CZ
mp-import:      afi ipv6.unicast from AS32934 accept ANY
mp-export:      afi ipv6.unicast to AS32934 announce AS-HOST-TELECOM-CZ
remarks:        --= Root Server Technical Operations =--
import:         from AS112 accept ANY
export:         to AS112 announce AS-HOST-TELECOM-CZ
mp-import:      afi ipv6.unicast from AS112 accept ANY
mp-export:      afi ipv6.unicast to AS112 announce AS-HOST-TELECOM-CZ
remarks:        --= SmartApe_net =--
import:         from AS62212 accept AS62212
export:         to AS62212 announce { 0.0.0.0/0 }
mp-import:      afi ipv6.unicast from AS62212 accept AS62212
mp-export:      afi ipv6.unicast to AS62212 announce { 0::0/0 }
remarks:        --= SIA Piter-IX =--
import:         from AS48193 accept ANY
export:         to AS48193 announce AS-HOST-TELECOM-CZ
mp-import:      afi ipv6.unicast from AS48193 accept ANY
mp-export:      afi ipv6.unicast to AS48193 announce AS-HOST-TELECOM-CZ
remarks:        -----------------------------------------------
admin-c:        DUMY-RIPE
tech-c:         DUMY-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         HOST-TELECOM-MNT
mnt-by:         NM35866-MNT
mnt-by:         ALSAUT-MNT
created:        2010-06-30T09:42:32Z
last-modified:  2025-12-02T09:07:25Z
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:        ****************************


organisation:   ORG-Hs41-RIPE
org-name:       Host-Telecom.com s.r.o.
country:        CZ
org-type:       LIR
address:        Dummy address for ORG-Hs41-RIPE
# Email removed, Log into bgp.tools to see whois emails
abuse-c:        HTAT1-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        NM35866-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         NM35866-MNT
created:        2011-05-18T13:33:45Z
last-modified:  2020-12-16T13:12:48Z
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: 2026-02-07T03:23:53Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RIPE	as-nixcz-clients	82886
RIPE	as-transcz	797
RIPE	as-gbxs6	840
RIPE	as-dialtelecom	217
RIPE	as42000:as-customers	15
RIPE	as-gbxscust-full	3637
RIPE	as6881:as-nixcz-clients	82886
RIPE	as-host-telecom-cz	2
RIPE	as-retn-actual-v6	3911
RIPE	as-retn-actual-v4	12435