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): 64
BGP Peers Observed (v4): 61
BGP Peers Observed (v6): 43

IPs Originated (v4): 58,880
AS Paths Observed (v4): 833
AS Paths Observed (v6): 780

Average AS Path Length (all): 3.700
Average AS Path Length (v4): 3.822
Average AS Path Length (v6): 3.569

AS24971 IPv4 Peers

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

AS24971 IPv6 Peers

ASN	Name
AS9002	RETN Limited
AS6939	Hurricane Electric LLC
AS1299	Arelion Sweden AB
AS197451	Brno University of Technology
AS14840	BR.Digital Telecom
AS207167	mapnet IT services s.r.o.
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	Core-Backbone GmbH		AS33891
7	Yoursafe Holding B.V.	X	AS48921
8	Zayo Infrastructure France SA	X	AS8218
9	Datacamp Limited	X	AS60068
10	Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH	X	AS1764
11	LWLcom GmbH	X	AS50629
12	GGNET TELECOMUNICACOES LTDA		AS53062
13	GEANT Vereniging	X	AS21320
14	mapnet IT services s.r.o.	X	AS207167
15	Broadband Hosting B.V.		AS20562
16	Huge Solucoes Corporativas Ltda		AS264409
17	Rocket Fibre Ltd	X	AS8801
18	Nessus GmbH		AS47692
19	i3D.net B.V	X	AS49544
20	IX Reach Ltd		AS4455
21	GREEN FLOID LLC	X	AS204957
22	Fiord Networks, UAB	X	AS28917
23	Wobcom GmbH	X	AS9136
24	NETPLANET GmbH		AS24953
25	Lancom Ltd.	X	AS199081
26	K-net Technical International Group, s.r.o.		AS21045
27	LINZ STROM GAS WAERME GmbH fuer Energiedienstleistungen und Telekommunikation		AS35369
28	SG.GS	X	AS24482
29	Zain Omantel International FZ-LLC	X	AS8529
30	Novelcomm LP	X	AS206735
31	SIACOM JSC	X	AS198150
32	ARISTO NETWORKS LTD		AS216265
33	mapnet IT services s.r.o.	X	AS211085
34	Freenet Liberec, z.s.	X	AS29504
35	Telemach Slovenija d.o.o.		AS3212
36	NetActuate, Inc	X	AS36236
37	Virtual Technologies & Solutions	X	AS37721
38	Hohl IT e.U.	X	AS40994
39	Hetzner Online GmbH	X	AS24940
40	Telehouse EAD		AS57344
41	OVH SAS	X	AS16276
42	NIX.CZ z.s.p.o.	X	AS6881
43	NetIX Communications JSC	X	AS57463
44	Joint Venture Dragon Capital LLC		AS64481
45	OMONIA		AS44306
46	Euroweb Romania S.R.L.	X	AS6663
47	ISP Alliance a.s.		AS47232
48	LEVEL EIGHTY-SIX COMMUNICATIONS LTD	X	AS212483
49	TurkNet Iletisim Hizmetleri A.S.		AS12735
50	Fonira Telekom GmbH	X	AS51184
51	UAB "Bite Lietuva"		AS13194
52	Axclusive		AS132337
53	Convergenze S.p.A.	X	AS39120
54	Development 777 s.r.o.	X	AS51134
55	Inovare-Prim SRL	X	AS60602
56	Kabel-TV Lampert GmbH & Co KG	X	AS59890
57	Valve Corporation	X	AS32590
58	INIZIO Internet Media s.r.o.		AS202857
59	Open X Tecnologia Ltda	X	AS263444
60	Atman Sp. z o.o.		AS15694
61	Netia SA		AS12741

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

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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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