AS24971 MasterDC s.r.o.

Company Website:

https://www.master.cz

Company Looking Glass:

https://lg.masterinter.net

Looking Glass:

https://bgp.he.net/lg/24971

Country of Origin:

Czech Republic

Internet Exchanges: 4

Prefixes Originated (all): 46
Prefixes Originated (v4): 33
Prefixes Originated (v6): 13

Prefixes Announced (all): 118
Prefixes Announced (v4): 64
Prefixes Announced (v6): 54

RPKI Originated Valid (all): 45
RPKI Originated Valid (v4): 32
RPKI Originated Valid (v6): 13

RPKI Originated Invalid (all): 0
RPKI Originated Invalid (v4): 0
RPKI Originated Invalid (v6): 0

BGP Peers Observed (all): 65
BGP Peers Observed (v4): 62
BGP Peers Observed (v6): 44

IPs Originated (v4): 58,880
AS Paths Observed (v4): 831
AS Paths Observed (v6): 783

Average AS Path Length (all): 3.704
Average AS Path Length (v4): 3.822
Average AS Path Length (v6): 3.580

AS24971 IPv4 Peers

ASN	Name
AS1299	Arelion Sweden AB
AS9002	RETN Limited
AS6939	Hurricane Electric LLC
AS6204	INTERKVM HOST SRL
AS14840	BR.Digital Telecom
AS8218	Zayo Infrastructure France SA
AS33891	Core-Backbone GmbH
AS48921	Yoursafe Holding B.V.

AS24971 IPv6 Peers

ASN	Name
AS9002	RETN Limited
AS6939	Hurricane Electric LLC
AS1299	Arelion Sweden AB
AS197451	Brno University of Technology
AS207167	mapnet IT services s.r.o.
AS14840	BR.Digital Telecom
AS48921	Yoursafe Holding B.V.
AS8218	Zayo Infrastructure France SA

AS24971 IPv4 Peer Count

AS24971 IPv6 Peer Count

AS24971 IPv4 Prefixes Announced

AS24971 IPv6 Prefixes Announced

AS24971 IPv4 Prefixes Originated

AS24971 IPv6 Prefixes Originated

AS24971 IPv4 Route Propagation

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AS24971 IPv6 Route Propagation

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Prefix	Description	Visibility
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Prefix	Description
5.180.200.0/22	Bydzovsky s.r.o.
37.140.220.0/24	ProfiSMS s.r.o.
37.205.8.0/22	vpsFree.cz, z.s.
37.205.12.0/22	VPSFREE-PRG6
77.93.192.0/19	MasterDC s.r.o.
80.79.16.0/20	MasterDC s.r.o.
81.31.32.0/20	MasterDC s.r.o.
83.167.224.0/19	MasterDC s.r.o.
83.223.52.0/24	Verotel Merchant Services BV
85.118.128.0/21	MasterDC s.r.o.
89.185.224.0/19	MasterDC s.r.o.
91.213.160.0/24	Internet Info, s.r.o.
91.214.192.0/22	QCM, s.r.o.
91.216.179.0/24	oXyShop s.r.o.
91.226.216.0/22	W HOSTING, s.r.o.
92.63.56.0/24	Axfone s.r.o.
130.193.16.0/24	AUTO GAMES PLUS a.s.
149.62.144.0/21	MasterDC s.r.o.
176.227.168.0/23	HostingSolutions s.r.o.
178.238.32.0/20	MasterDC s.r.o.
185.8.164.0/23	vpsFree.cz, z.s.
185.8.166.0/23	vpsFree.cz, z.s.
185.25.184.0/22	NETIO Solutions s.r.o.
185.32.160.0/22	ANAFRA a.s.
185.58.40.0/22	MasterDC s.r.o.
185.85.164.0/22	ServerNow s.r.o.
185.145.160.0/22	Etnetera Core a.s.
185.239.216.0/22	AdminIT, s. r. o.
188.213.234.0/23	NETIO Solutions s.r.o.
188.215.18.0/23	NETIO Solutions s.r.o.
193.169.160.0/23	Imarto Inc.
194.145.180.0/22	ServerNow s.r.o.
195.140.252.0/22	Virtualmaster, s.r.o.

Prefix	Description	Visibility
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Prefix	Description
2001:678:a50::/48	Imarto Inc.
2001:67c:68::/48	Internet Info, s.r.o.
2a00:8220::/32	NETIO Solutions s.r.o.
2a00:a5a0::/32	ANAFRA a.s.
2a01:430::/32	MasterDC s.r.o.
2a03:3b40::/40	vpsFree.cz - IPv6 - Prague 2
2a03:3b40:100::/40	vpsFree.cz - IPv6 - Brno 2
2a03:3b40:200::/39	vpsFree.cz, z.s.
2a03:7460::/32	ServerNow s.r.o.
2a04:16c0:200::/48	Verotel Merchant Services B.V.
2a07:4880::/29	Etnetera Core a.s.
2a0b:3240::/32	Bydzovsky s.r.o.
2a0c:6380::/29	AdminIT, s. r. o.

Bogon Prefixes
Prefix	Type	Status

Rank	Description	IPv6	Peer
1	Arelion Sweden AB	X	AS1299
2	RETN Limited	X	AS9002
3	Hurricane Electric LLC	X	AS6939
4	INTERKVM HOST SRL	X	AS6204
5	BR.Digital Telecom	X	AS14840
6	Zayo Infrastructure France SA	X	AS8218
7	Core-Backbone GmbH		AS33891
8	Yoursafe Holding B.V.	X	AS48921
9	Datacamp Limited	X	AS60068
10	LWLcom GmbH	X	AS50629
11	Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH	X	AS1764
12	GEANT Vereniging	X	AS21320
13	GGNET TELECOMUNICACOES LTDA		AS53062
14	mapnet IT services s.r.o.	X	AS207167
15	Huge Solucoes Corporativas Ltda		AS264409
16	Broadband Hosting B.V.		AS20562
17	Fiord Networks, UAB	X	AS28917
18	IX Reach Ltd		AS4455
19	Nessus GmbH		AS47692
20	Wobcom GmbH	X	AS9136
21	Rocket Fibre Ltd	X	AS8801
22	GREEN FLOID LLC	X	AS204957
23	Valve Corporation	X	AS32590
24	K-net Technical International Group, s.r.o.		AS21045
25	LINZ STROM GAS WAERME GmbH fuer Energiedienstleistungen und Telekommunikation		AS35369
26	SG.GS	X	AS24482
27	NIX.CZ z.s.p.o.	X	AS6881
28	SIACOM JSC	X	AS198150
29	Virtual Technologies & Solutions	X	AS37721
30	Telemach Slovenija d.o.o.	X	AS3212
31	OMONIA		AS44306
32	Hetzner Online GmbH	X	AS24940
33	LEVEL EIGHTY-SIX COMMUNICATIONS LTD	X	AS212483
34	ISP Alliance a.s.		AS47232
35	Kabel-TV Lampert GmbH & Co KG	X	AS59890
36	OVH SAS	X	AS16276
37	Convergenze S.p.A.	X	AS39120
38	Telehouse EAD		AS57344
39	i3D.net B.V	X	AS49544
40	ARISTO NETWORKS LTD		AS216265
41	Netia SA		AS12741
42	Freenet Liberec, z.s.	X	AS29504
43	UAB "Bite Lietuva"		AS13194
44	Lancom Ltd.	X	AS199081
45	Euroweb Romania S.R.L.	X	AS6663
46	Joint Venture Dragon Capital LLC		AS64481
47	NetIX Communications JSC	X	AS57463
48	Atman Sp. z o.o.		AS15694
49	Open X Tecnologia Ltda	X	AS263444
50	INIZIO Internet Media s.r.o.		AS202857
51	Zain Omantel International FZ-LLC	X	AS8529
52	Development 777 s.r.o.	X	AS51134
53	mapnet IT services s.r.o.	X	AS211085
54	NetActuate, Inc	X	AS36236
55	NETPLANET GmbH		AS24953
56	TurkNet Iletisim Hizmetleri A.S.		AS12735
57	Novelcomm LP	X	AS206735
58	Fonira Telekom GmbH	X	AS51184
59	Axclusive		AS132337
60	Hohl IT e.U.	X	AS40994
61	MC-IX Matrix Internet Exchange RS-1		AS55818
62	Inovare-Prim SRL	X	AS60602

Rank	Description	IPv4	Peer
1	RETN Limited	X	AS9002
2	Hurricane Electric LLC	X	AS6939
3	Arelion Sweden AB	X	AS1299
4	Brno University of Technology		AS197451
5	mapnet IT services s.r.o.	X	AS207167
6	BR.Digital Telecom	X	AS14840
7	Yoursafe Holding B.V.	X	AS48921
8	Zayo Infrastructure France SA	X	AS8218
9	LWLcom GmbH	X	AS50629
10	Datacamp Limited	X	AS60068
11	GEANT Vereniging	X	AS21320
12	Fiber Telecom S.p.A.		AS41327
13	INTERKVM HOST SRL	X	AS6204
14	Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH	X	AS1764
15	Fiord Networks, UAB	X	AS28917
16	Convergenze S.p.A.	X	AS39120
17	Zain Omantel International FZ-LLC	X	AS8529
18	OVH SAS	X	AS16276
19	wilhelm.tel GmbH		AS15943
20	NIX.CZ z.s.p.o.	X	AS6881
21	Hohl IT e.U.	X	AS40994
22	i3D.net B.V	X	AS49544
23	Development 777 s.r.o.	X	AS51134
24	LEVEL EIGHTY-SIX COMMUNICATIONS LTD	X	AS212483
25	SG.GS	X	AS24482
26	Lancom Ltd.	X	AS199081
27	NetActuate, Inc	X	AS36236
28	Virtual Technologies & Solutions	X	AS37721
29	NetIX Communications JSC	X	AS57463
30	Freenet Liberec, z.s.	X	AS29504
31	Inovare-Prim SRL	X	AS60602
32	Open X Tecnologia Ltda	X	AS263444
33	SIACOM JSC	X	AS198150
34	Kabel-TV Lampert GmbH & Co KG	X	AS59890
35	Novelcomm LP	X	AS206735
36	Euroweb Romania S.R.L.	X	AS6663
37	Hetzner Online GmbH	X	AS24940
38	mapnet IT services s.r.o.	X	AS211085
39	Wobcom GmbH	X	AS9136
40	Rocket Fibre Ltd	X	AS8801
41	Valve Corporation	X	AS32590
42	Fonira Telekom GmbH	X	AS51184
43	Telemach Slovenija d.o.o.	X	AS3212
44	GREEN FLOID LLC	X	AS204957

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RIPE

aut-num: AS24971 as-name: MASTER-AS org: ORG-MIs2-RIPE remarks: . . _ _ remarks: |\/| _. __|_ _ ._| \/ remarks: | |(_|_> |_(/_| |_/\_ remarks: descr: Czech Republic / www.master.cz descr: e-mail: noc@master.cz remarks: remarks: ======================== Upstream ======================== remarks: remarks: = Arelion FKA Telia remarks: import: from AS1299 action pref=90; accept ANY AND NOT {0.0.0.0/0}; export: to AS1299 announce AS24971: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 AS24971:AS-MASTERCZ remarks: remarks: ======================== Downstream ======================== remarks: 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: = amccomp s.r.o. import: from AS207167 action pref=10; accept AS207167 AS201922 AS208143 AS215777 AS206321 AS207583 AS207575 AS207576 export: to AS207167 announce {0.0.0.0/0}; remarks: = LAYER6 import: from AS204957 action pref=10; accept AS204957 AS202051; export: to AS204957 announce {0.0.0.0/0}; remarks: = Dragon-Capital import: from AS64481 action pref=10; accept AS64481; export: to AS64481 announce {0.0.0.0/0}; remarks: = INIZIO Internet Media s.r.o. import: from AS202857 action pref=10; accept AS202857; export: to AS202857 announce {0.0.0.0/0}; remarks: remarks: ======================== peering.cz peering ======================== remarks: import: from AS24971:AS-MAI-PEERING-CZ-PEER action pref = 50; accept as-peeringcz-rs export: to AS24971:AS-MAI-PEERING-CZ-PEER announce AS24971:AS-MASTERCZ-CZPEERING remarks: remarks: ======================== NIX Prague peering ======================== remarks: import: from AS24971:AS-MAI-NIX-PEER action pref = 50; accept AS47200:AS-NIXCZ-RSCLIENTS export: to AS24971:AS-MAI-NIX-PEER announce AS24971:AS-MASTERCZ-CZNIX remarks: remarks: ======================== NIX Bratislava peering ======================== remarks: import: from AS24971:AS-MAI-NIX-PEER action pref = 50; accept AS47627:AS-NIXSK-RSCLIENTS export: to AS24971:AS-MAI-NIX-PEER announce AS24971:AS-MASTERCZ-SKNIX remarks: admin-c: DUMY-RIPE tech-c: DUMY-RIPE status: ASSIGNED mnt-by: RIPE-NCC-END-MNT mnt-by: MASTER-MNT created: 2002-06-11T14:14:49Z last-modified: 2026-04-15T16:46:36Z 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: ****************************

Exchange	CC	City	IPv4	IPv6
BR-IX	CZ	Brno	185.1.25.11	2001:7f8:87::11
NIX.CZ	CZ	Prague	91.210.16.86 91.210.16.85	2001:7f8:14::11:2 2001:7f8:14::11:1
NIX.SK	SK	Bratislava	194.30.187.85	2001:7f8:91::8:1
Peering.cz	CZ	Prague	185.0.20.14	2001:7f8:7f::14

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