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): 121
Prefixes Announced (v4): 65
Prefixes Announced (v6): 56

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): 61
BGP Peers Observed (v6): 46

IPs Originated (v4): 58,880
AS Paths Observed (v4): 816
AS Paths Observed (v6): 817

Average AS Path Length (all): 3.705
Average AS Path Length (v4): 3.810
Average AS Path Length (v6): 3.601

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.

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.
AS6204	INTERKVM HOST SRL

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	X	AS33891
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	mapnet IT services s.r.o.	X	AS207167
12	ALT \| GRUPO BRASIL TECPAR		AS53062
13	Convergenze S.p.A.	X	AS39120
14	Reliance Jio Infocomm Pte Ltd Singapore	X	AS64049
15	IX Reach Ltd		AS4455
16	i3D.net B.V	X	AS49544
17	Nessus GmbH		AS47692
18	GEANT Vereniging	X	AS21320
19	Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH	X	AS1764
20	GREEN FLOID LLC	X	AS204957
21	Wobcom GmbH	X	AS9136
22	GRUPO YAX		AS264409
23	Zain Omantel International FZ-LLC	X	AS8529
24	MC-IX Matrix Internet Exchange RS-1		AS55818
25	Valve Corporation	X	AS32590
26	Telemach Slovenija d.o.o.		AS3212
27	Hetzner Online GmbH	X	AS24940
28	ISP Alliance a.s.		AS47232
29	UAB "Bite Lietuva"		AS13194
30	ARISTO NETWORKS LTD		AS216265
31	SG.GS	X	AS24482
32	Euroweb Romania S.R.L.	X	AS6663
33	Axclusive		AS132337
34	Telehouse EAD		AS57344
35	Novelcomm LP	X	AS206735
36	Development 777 s.r.o.	X	AS51134
37	NIX.CZ z.s.p.o.	X	AS6881
38	LEVEL EIGHTY-SIX COMMUNICATIONS LTD	X	AS212483
39	TurkNet Iletisim Hizmetleri A.S.		AS12735
40	Fonira Telekom GmbH	X	AS51184
41	Open X Tecnologia Ltda	X	AS263444
42	Atman Sp. z o.o.		AS15694
43	SIACOM JSC	X	AS198150
44	Hohl IT e.U.	X	AS40994
45	Virtual Technologies & Solutions	X	AS37721
46	mapnet IT services s.r.o.	X	AS211085
47	Joint Venture Dragon Capital LLC		AS64481
48	K-net Technical International Group, s.r.o.		AS21045
49	Kabel-TV Lampert GmbH & Co KG	X	AS59890
50	Freenet Liberec, z.s.	X	AS29504
51	INIZIO Internet Media s.r.o.		AS202857
52	Netia SA		AS12741
53	NetIX Communications JSC	X	AS57463
54	Broadband Hosting B.V.		AS20562
55	Inovare-Prim SRL	X	AS60602
56	Fiord Networks, UAB	X	AS28917
57	LINZ STROM GAS WAERME GmbH fuer Energiedienstleistungen und Telekommunikation		AS35369
58	Rocket Fibre Ltd	X	AS8801
59	OVH SAS	X	AS16276
60	NetActuate, Inc	X	AS36236
61	Lancom Ltd.	X	AS199081

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	INTERKVM HOST SRL	X	AS6204
9	Zayo Infrastructure France SA	X	AS8218
10	Jakub Krsa		AS214757
11	Datacamp Limited	X	AS60068
12	LWLcom GmbH	X	AS50629
13	Reliance Jio Infocomm Pte Ltd Singapore	X	AS64049
14	Convergenze S.p.A.	X	AS39120
15	Fiber Telecom S.p.A.		AS41327
16	Core-Backbone GmbH	X	AS33891
17	GEANT Vereniging	X	AS21320
18	Zain Omantel International FZ-LLC	X	AS8529
19	Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH	X	AS1764
20	SIACOM JSC	X	AS198150
21	Open X Tecnologia Ltda	X	AS263444
22	NIX.CZ z.s.p.o.	X	AS6881
23	Novelcomm LP	X	AS206735
24	mapnet IT services s.r.o.	X	AS211085
25	Development 777 s.r.o.	X	AS51134
26	i3D.net B.V	X	AS49544
27	Euroweb Romania S.R.L.	X	AS6663
28	Valve Corporation	X	AS32590
29	NetActuate, Inc	X	AS36236
30	wilhelm.tel GmbH		AS15943
31	Lancom Ltd.	X	AS199081
32	Wobcom GmbH	X	AS9136
33	OVH SAS	X	AS16276
34	Fonira Telekom GmbH	X	AS51184
35	Hetzner Online GmbH	X	AS24940
36	Inovare-Prim SRL	X	AS60602
37	Kabel-TV Lampert GmbH & Co KG	X	AS59890
38	Freenet Liberec, z.s.	X	AS29504
39	Fiord Networks, UAB	X	AS28917
40	LEVEL EIGHTY-SIX COMMUNICATIONS LTD	X	AS212483
41	Hohl IT e.U.	X	AS40994
42	Virtual Technologies & Solutions	X	AS37721
43	SG.GS	X	AS24482
44	NetIX Communications JSC	X	AS57463
45	GREEN FLOID LLC	X	AS204957
46	Rocket Fibre Ltd	X	AS8801

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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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