Czech Republic (CZ) Flag

Czech Republic / www.master.cz

AS24971 ~ MASTER-AS

Company Website

IPv4 Addresses: 59,648

Number of Peers: 70

Number of Prefixes: 46

ASN Allocated: 11^th June 2002

ASN
Prefixes
Peers
Upstreams
Downstreams
Graphs
World Map
Raw Whois
IX

Summary

Regional Registry:

RIPE

Allocation Status:

Allocated

Allocation Date:

11^th June 2002

Allocated Country:

Czech Republic (CZ) Flag

Traffic Ratio:

Mostly Outbound

Internet Exchanges:

7

Website:

https://www.master.cz

Looking Glass:

https://lg.masterinter.net

Network

IPv4 Prefixes:

33

IPv4 Peers:

37

IPv4 Upstreams:

2

IPv6 Prefixes:

13

IPv6 Peers:

33

IPv6 Upstreams:

2

Contacts

Email Contacts:

[email protected]

[email protected]

[email protected]

[email protected]

Abuse Contacts:

[email protected]

Address:

Jiraskova 21,

602 00,

Brno,

CZECH REPUBLIC

IPv4 Prefixes
IPv6 Prefixes

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	5.180.200.0/22	Bydzovsky s.r.o.		5.180.200.0/22	RIPE
	37.205.8.0/22	vpsFree.cz, z.s.		37.205.8.0/21	RIPE
	37.205.12.0/22	VPSFREE PRG6		37.205.8.0/21	RIPE
	77.93.192.0/19	Master Internet s.r.o.		77.93.192.0/19	RIPE
	80.78.242.0/23	"Domain names registrar REG.RU", Ltd		80.78.240.0/20	RIPE
	80.79.16.0/20	Master Internet s.r.o.		80.79.16.0/20	RIPE
	81.31.32.0/20	Master Internet s.r.o.		81.31.32.0/20	RIPE
	83.167.224.0/19	Master Internet s.r.o.		83.167.224.0/19	RIPE
	83.223.52.0/24	VITS PROXY NETWORK		83.223.32.0/19	RIPE
	85.118.128.0/21	Master Internet s.r.o.		85.118.128.0/21	RIPE
	89.185.224.0/19	Master Internet s.r.o.		89.185.224.0/19	RIPE
	91.213.160.0/24	Internet Info, s.r.o.		91.213.160.0/24	RIPE
	91.214.192.0/22	QCM, s.r.o.		91.214.192.0/22	RIPE
	91.216.179.0/24	oXy Online s.r.o.		91.216.179.0/24	RIPE
	91.226.216.0/22	W HOSTING, s.r.o.		91.226.216.0/22	RIPE
	92.63.56.0/22	NEW TELEKOM, spol. s r.o.		92.63.48.0/20	RIPE
	130.193.16.0/24	AUTO GAMES PLUS a.s.		130.193.16.0/21	RIPE
	149.62.144.0/21	Master Internet s.r.o.		149.62.144.0/21	RIPE
	176.227.168.0/23	HostingSolutions s.r.o.		176.227.168.0/21	RIPE
	178.238.32.0/20	Master Internet s.r.o.		178.238.32.0/20	RIPE
	185.8.164.0/23	vpsFree.cz, z.s.		185.8.164.0/22	RIPE
	185.8.166.0/24	vpsFree.cz - Brno3		185.8.164.0/22	RIPE
	185.25.184.0/22	NETIO Solutions s.r.o.		185.25.184.0/22	RIPE
	185.32.160.0/22	ANAFRA s.r.o.		185.32.160.0/22	RIPE
	185.58.40.0/22	Master Internet s.r.o.		185.58.40.0/22	RIPE
	185.85.164.0/22	ServerNow s.r.o.		185.85.164.0/22	RIPE
	185.145.160.0/22	Etnetera a.s.		185.145.160.0/22	RIPE
	185.239.216.0/22	AdminIT, s. r. o.		185.239.216.0/22	RIPE
	188.213.234.0/23	NETIO Solutions s.r.o.		188.213.234.0/23	RIPE
	188.215.18.0/23	NETIO Solutions s.r.o.		188.215.18.0/23	RIPE
	193.169.160.0/23	Imarto Inc.		193.169.160.0/23	RIPE
	194.145.180.0/22	ServerNow s.r.o.		194.145.180.0/22	RIPE
	195.140.252.0/22	Virtualmaster, s.r.o.		195.140.252.0/22	RIPE

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	2001:678:a50::/48	Imarto Inc.		2001:678:a50::/48	RIPE
	2001:67c:68::/48	Internet Info, s.r.o.		2001:67c:68::/48	RIPE
	2a00:8220::/32	NETIO Solutions s.r.o.		2a00:8220::/32	RIPE
	2a01:430::/32	Master Internet s.r.o.		2a01:430::/32	RIPE
	2a01:430:17::/48	serverhousing Praha		2a01:430::/32	RIPE
	2a03:3b40::/40	vpsFree.cz - IPv6 - Prague 2		2a03:3b40::/32	RIPE
	2a03:3b40:100::/40	vpsFree.cz - IPv6 - Brno 2		2a03:3b40::/32	RIPE
	2a03:3b40:200::/39	VPSFREE IPV6 TUNNELS		2a03:3b40::/32	RIPE
	2a03:7460::/32	ServerNow s.r.o.
	2a04:16c0:200::/48	NL BITSAFE 002		2a04:16c0::/29	RIPE
	2a07:4880::/29	Etnetera a.s.		2a07:4880::/29	RIPE
	2a0b:3240::/32	Bydzovsky s.r.o.		2a0b:3240::/32	RIPE
	2a0c:6380::/29	AdminIT, s. r. o.		2a0c:6380::/29	RIPE

IPv4 Peers
IPv6 Peers

Country	ASN	Name	Description	IPv6
	AS41327	FIBERTELECOM-AS	Fiber Telecom S.p.A.
	AS24482	SGGS-AS-AP	SG.GS
	AS60501	SIRIUSTEC-IT	Sirius Technology SRL
	AS9002	RETN-AS	RETN Limited
	AS1299	TELIANET	Telia Carrier
	AS24641	FASTER-AS	FASTER CZ spol. s r.o.
	AS21045	QnetCZ	K-net Technical International Group, s.r.o.
	AS207167	amccomp-master-brno	amccomp s.r.o.
	AS48921	VEROTEL-AS	Verotel International B.V.
	AS204957	GREENFLOID-AS	ITL-Bulgaria Ltd.
	AS51134	INTACTO-AS	Development 777 s.r.o.
	AS208355	techkeeper	TechKeeper s.r.o.
	AS206344	AUKRO	AUKRO s.r.o.
	AS59925	GIGASERVER	Seonet Multimedia s.r.o.
	AS199806	DCIT-AS-CZ	DCIT, a.s.
	AS8218	NEO-ASN	legacy Neotelecoms
	AS6830	LibertyGlobal	Liberty Global (formerly UPC Broadband Holding, aka AORTA)
	AS39533	asympto	Asympto Networks Kft.
	AS60068	CDN77	CDN77
	AS50629	LWLCOM	LWLcom GmbH
	AS51184	FONIRA	Fonira Telekom GmbH
	AS33891	CORE-BACKBONE	CORE-BACKBONE GMBH GLOBAL NETWORK
	AS47692	NESSUS	Nessus GmbH
	AS6939	HURRICANE	Hurricane Electric LLC
	AS20562	OPEN-PEERING-AS	Open Peering Initiative, Amsterdam, The Netherlands
	AS264556	L. Garcia ComunicaiÂ¿Â½iÂ¿Â½es ME	L. Garcia ComunicaiÂ¿Â½iÂ¿Â½es ME
	AS43531	IXREACH	IX Reach Ltd
	AS28186	ITS TELECOMUNICACOES LTDA	ITS TELECOMUNICACOES LTDA
	AS57463	NetIX	NetIX Communications Ltd.
	AS20764	RASCOM-AS	CJSC RASCOM ISP
	AS202297	SKYLON	SKYLON
	AS6881	NIXCZ	NIX.CZ z.s.p.o.
	AS12741	AS-NETIA	Warszawa 02-822
	AS29504	LBCFREE	Freenet Liberec, z.s.
	AS8447	A1TELEKOM-AT	A1 Telekom Austria AG
	AS35369	LINZAG-TELEKOM-AS	LINZ STROM GAS WAERME GmbH fuer Energiedienstleistungen und Telekommunikation
	AS64457	ENAXIM	Enaxim Corporation

Country	ASN	Name	Description	IPv4
	AS9002	RETN-AS	RETN Limited
	AS41327	FIBERTELECOM-AS	Fiber Telecom S.p.A.
	AS207167	amccomp-master-brno	amccomp s.r.o.
	AS24482	SGGS-AS-AP	SG.GS
	AS60501	SIRIUSTEC-IT	Sirius Technology SRL
	AS6939	HURRICANE	Hurricane Electric LLC
	AS48921	VEROTEL-AS	Verotel International B.V.
	AS59925	GIGASERVER	Seonet Multimedia s.r.o.
	AS51134	INTACTO-AS	Development 777 s.r.o.
	AS1299	TELIANET	Telia Carrier
	AS24641	FASTER-AS	FASTER CZ spol. s r.o.
	AS8218	NEO-ASN	legacy Neotelecoms
	AS47692	NESSUS	Nessus GmbH
	AS6830	LibertyGlobal	Liberty Global (formerly UPC Broadband Holding, aka AORTA)
	AS208355	techkeeper	TechKeeper s.r.o.
	AS206344	AUKRO	AUKRO s.r.o.
	AS51184	FONIRA	Fonira Telekom GmbH
	AS204957	GREENFLOID-AS	ITL-Bulgaria Ltd.
	AS39533	asympto	Asympto Networks Kft.
	AS50629	LWLCOM	LWLcom GmbH
	AS1820	WNET	WNET TELECOM USA Corp.
	AS33891	CORE-BACKBONE	CORE-BACKBONE GMBH GLOBAL NETWORK
	AS14061	DIGITALOCEAN-ASN	DigitalOcean, LLC
	AS20562	OPEN-PEERING-AS	Open Peering Initiative, Amsterdam, The Netherlands
	AS28186	ITS TELECOMUNICACOES LTDA	ITS TELECOMUNICACOES LTDA
	AS6881	NIXCZ	NIX.CZ z.s.p.o.
	AS29504	LBCFREE	Freenet Liberec, z.s.
	AS202297	SKYLON	SKYLON
	AS35369	LINZAG-TELEKOM-AS	LINZ STROM GAS WAERME GmbH fuer Energiedienstleistungen und Telekommunikation
	AS8447	A1TELEKOM-AT	A1 Telekom Austria AG
	AS43531	IXREACH	IX Reach Ltd
	AS57463	NetIX	NetIX Communications Ltd.
	AS20764	RASCOM-AS	CJSC RASCOM ISP

IPv4 Upstreams
IPv6 Upstreams

Country	ASN	Name	Description	IPv6
	AS1299	TELIANET	Telia Carrier
	AS9002	RETN-AS	RETN Limited

IPv4 Upstream Graph

Country	ASN	Name	Description	IPv4
	AS1299	TELIANET	Telia Carrier
	AS9002	RETN-AS	RETN Limited

IPv6 Upstream Graph

IPv4 Downstreams
IPv6 Downstreams

Country	ASN	Name	Description	IPv6
	AS206344	AUKRO	AUKRO s.r.o.
	AS204957	GREENFLOID-AS	ITL-Bulgaria Ltd.
	AS51134	INTACTO-AS	Development 777 s.r.o.
	AS59925	GIGASERVER	Seonet Multimedia s.r.o.
	AS208355	techkeeper	TechKeeper s.r.o.
	AS207167	amccomp-master-brno	amccomp s.r.o.
	AS24641	FASTER-AS	FASTER CZ spol. s r.o.
	AS48921	VEROTEL-AS	Verotel International B.V.
	AS21045	QnetCZ	K-net Technical International Group, s.r.o.
	AS199806	DCIT-AS-CZ	DCIT, a.s.

Country	ASN	Name	Description	IPv4
	AS206344	AUKRO	AUKRO s.r.o.
	AS204957	GREENFLOID-AS	ITL-Bulgaria Ltd.
	AS51134	INTACTO-AS	Development 777 s.r.o.
	AS59925	GIGASERVER	Seonet Multimedia s.r.o.
	AS208355	techkeeper	TechKeeper s.r.o.
	AS207167	amccomp-master-brno	amccomp s.r.o.
	AS24641	FASTER-AS	FASTER CZ spol. s r.o.
	AS48921	VEROTEL-AS	Verotel International B.V.

% This is the RIPE Database query service.
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% Information related to 'AS24971'

% Abuse contact for 'AS24971' is '[email protected]'

aut-num:        AS24971
as-name:        MASTER-AS
org:            ORG-MIs2-RIPE
descr:          Czech Republic / www.master.cz
remarks:
remarks:        .--------.---.-.-----.|  |_.-----.----.
remarks:        |        |  _  |__ --||   _|  -__|   _|
remarks:        |__|__|__|___._|_____||____|_____|__|
remarks:
remarks:        ========================  Upstream  ========================
remarks:
remarks:        = Telia
remarks:
import:         from AS1299 action pref=90; accept ANY AND NOT {0.0.0.0/0};
export:         to AS1299  announce  AS-MASTERCZ
remarks:
remarks:        = RETN
remarks:
import:         from AS9002 action pref=90; accept ANY AND NOT {0.0.0.0/0};
export:         to AS9002  announce  AS-MASTERCZ
remarks:
remarks:        ========================  Downstream ========================
remarks:
remarks:        = Faster CZ
import:         from AS24641 action pref=10; accept AS-FASTER-CZ
export:         to AS24641 announce ANY
remarks:        = Q-Net CZ
import:         from AS21045 action pref=10; accept AS21045
export:         to AS21045 announce ANY
remarks:        = netsafe
import:         from AS48921 action pref=10; accept AS48921 AS-FDR
export:         to AS48921 announce ANY
remarks:        = INTACTO GAMES a.s.
import:         from AS51134 action pref=10; accept AS51134
export:         to  AS51134 announce ANY
remarks:        = DCIT, a.s.
import:         from AS199806  action pref=10; accept AS199806
export:         to  AS199806 announce ANY
remarks:        = Aukro a.s.
import:         from AS206344 action pref=10; accept AS206344;
export:         to AS206344 announce {0.0.0.0/0};
remarks:        = amccomp s.r.o.
import:         from AS207167 action pref=10; accept AS207167 AS201922 AS208143
export:         to AS207167 announce {0.0.0.0/0};
remarks:        = LAYER6
import:         from AS204957 action pref=10; accept AS204957;
export:         to AS204957 announce {0.0.0.0/0};
remarks:        = Techkeeper
import:         from AS208355 action pref=10; accept AS208355;
export:         to AS208355 announce {0.0.0.0/0};
remarks:
remarks:        ========================  peering.cz peering ========================
remarks:
import:         from AS-MAI-PEERING-CZ-PEER action pref = 50; accept ANY
export:         to   AS-MAI-PEERING-CZ-PEER announce AS-MASTERCZ-CZPEERING
remarks:
remarks:        ========================  NIX Prague peering ========================
remarks:
import:         from AS-MAI-NIX-PEER action pref = 50; accept ANY
export:         to   AS-MAI-NIX-PEER announce AS-MASTERCZ-CZNIX
remarks:
remarks:        ========================  SIX Bratislava peering ========================
remarks:
import:         from AS-MAI-SIX-PEER action pref = 50; accept ANY
export:         to   AS-MAI-SIX-PEER announce AS-MASTERCZ-SKSIX
remarks:
remarks:        ========================  NIX Bratislava peering ========================
remarks:
import:         from AS-MAI-NIX-PEER action pref = 50; accept ANY
export:         to   AS-MAI-NIX-PEER announce AS-MASTERCZ-SKNIX
remarks:
admin-c:        MAIc-RIPE
admin-c:        MZI-RIPE
tech-c:         MAIc-RIPE
tech-c:         MZI-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MASTER-MNT
created:        2002-06-11T14:14:49Z
last-modified:  2019-09-26T11:25:21Z
source:         RIPE

organisation:   ORG-MIs2-RIPE
org-name:       Master Internet s.r.o.
country:        CZ
org-type:       LIR
address:        Jiraskova 21
address:        602 00
address:        Brno
address:        CZECH REPUBLIC
phone:          +420 777919700
e-mail:         [email protected]
mnt-ref:        MASTER-MNT
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MASTER-MNT
admin-c:        PV352-RIPE
admin-c:        JIPA-RIPE
admin-c:        MZI-RIPE
admin-c:        PZAK-RIPE
abuse-c:        MAIc-RIPE
created:        2004-04-17T11:04:37Z
last-modified:  2020-12-16T12:56:39Z
source:         RIPE

role:           Master Internet contact
address:        Master Internet s.r.o
address:        Jiraskova 21
address:        602 00 Brno
address:        Czech Republic
phone:          +420777919484
e-mail:         [email protected]
abuse-mailbox:  [email protected]
admin-c:        PV352-RIPE
tech-c:         MZI-RIPE
tech-c:         JIPA-RIPE
tech-c:         MMAS-RIPE
nic-hdl:        MAIc-RIPE
mnt-by:         MASTER-MNT
created:        2009-03-28T19:44:57Z
last-modified:  2013-10-10T10:00:26Z
source:         RIPE

person:         Martin Zidek
address:        Master Internet s.r.o.
address:        Cejl 20
address:        602 00 Brno
address:        Czech Republic
phone:          +420 777919700
e-mail:         [email protected]
nic-hdl:        MZI-RIPE
mnt-by:         MASTER-MNT
created:        2008-04-11T07:45:37Z
last-modified:  2017-10-30T22:00:16Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.99 (WAGYU)

Country	IX	Name	IPv4	IPv6	Port Speed
	NIX.CZ	Neutral Internet Exchange in the Czech Republic	91.210.16.85	2001:7f8:14::11:1	10 Gbps
	NIX.CZ	Neutral Internet Exchange in the Czech Republic	91.210.16.86	2001:7f8:14::11:2	10 Gbps
	NIX.SK	Neutral Internet eXchange Slovakia	194.30.187.85	2001:7f8:91::8:1	10 Gbps
	Peering.cz	Peering.cz eXchange	91.213.211.14	2001:7f8:7f::14	10 Gbps
	BR-IX	Brno University of Technology	185.1.25.11	2001:7f8:87::11	10 Gbps
	NIX.CZ FENIX	NIX.CZ FENIX	194.50.100.86	2001:7f8:14:5ec::11:2	10 Gbps
	NIX.CZ FENIX	NIX.CZ FENIX	194.50.100.85	2001:7f8:14:5ec::11:1	10 Gbps