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): 64
BGP Peers Observed (v4): 60
BGP Peers Observed (v6): 44

IPs Originated (v4): 58,880
AS Paths Observed (v4): 834
AS Paths Observed (v6): 792

Average AS Path Length (all): 3.736
Average AS Path Length (v4): 3.849
Average AS Path Length (v6): 3.616

AS24971 IPv4 Peers

ASN	Name
AS1299	Arelion Sweden AB
AS9002	RETN Limited
AS6939	Hurricane Electric LLC
AS6204	INTERKVM HOST SRL
AS33891	Core-Backbone GmbH
AS48921	Yoursafe Holding B.V.
AS50629	LWLcom GmbH

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.
AS48921	Yoursafe Holding B.V.
AS20562	Broadband Hosting 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		AS6204
5	Core-Backbone GmbH	X	AS33891
6	Yoursafe Holding B.V.	X	AS48921
7	LWLcom GmbH	X	AS50629
8	Zayo Infrastructure France SA	X	AS8218
9	Datacamp Limited	X	AS60068
10	ARISTO NETWORKS LTD		AS216265
11	ALT \| GRUPO BRASIL TECPAR		AS53062
12	mapnet IT services s.r.o.	X	AS207167
13	GEANT Vereniging	X	AS21320
14	Fiord Networks, UAB	X	AS28917
15	Nessus GmbH		AS47692
16	GREEN FLOID LLC	X	AS204957
17	Zain Omantel International FZ-LLC	X	AS8529
18	Convergenze S.p.A.	X	AS39120
19	Wobcom GmbH	X	AS9136
20	GRUPO YAX		AS264409
21	i3D.net B.V	X	AS49544
22	IX Reach Ltd		AS4455
23	Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH	X	AS1764
24	Freenet Liberec, z.s.	X	AS29504
25	LINZ STROM GAS WAERME GmbH fuer Energiedienstleistungen und Telekommunikation		AS35369
26	Valve Corporation	X	AS32590
27	OVH SAS	X	AS16276
28	Euroweb Romania S.R.L.	X	AS6663
29	UAB "Bite Lietuva"		AS13194
30	OMONIA d.o.o.		AS44306
31	Virtual Technologies & Solutions	X	AS37721
32	Novelcomm LP	X	AS206735
33	LEVEL EIGHTY-SIX COMMUNICATIONS LTD	X	AS212483
34	MC-IX Matrix Internet Exchange RS-1		AS55818
35	Fonira Telekom GmbH	X	AS51184
36	SG.GS	X	AS24482
37	Kabel-TV Lampert GmbH & Co KG	X	AS59890
38	ISP Alliance a.s.		AS47232
39	K-net Technical International Group, s.r.o.		AS21045
40	INIZIO Internet Media s.r.o.		AS202857
41	Open X Tecnologia Ltda	X	AS263444
42	Hetzner Online GmbH	X	AS24940
43	Telehouse EAD		AS57344
44	NetIX Communications JSC	X	AS57463
45	Inovare-Prim SRL	X	AS60602
46	Atman Sp. z o.o.		AS15694
47	Development 777 s.r.o.	X	AS51134
48	Telemach Slovenija d.o.o.		AS3212
49	Joint Venture Dragon Capital LLC		AS64481
50	Netia SA		AS12741
51	Axclusive		AS132337
52	NetActuate, Inc	X	AS36236
53	Delta Telecom Ltd		AS29049
54	NIX.CZ z.s.p.o.	X	AS6881
55	Rocket Fibre Ltd	X	AS8801
56	Reliance Jio Infocomm Pte Ltd Singapore	X	AS64049
57	mapnet IT services s.r.o.	X	AS211085
58	Hohl IT e.U.	X	AS40994
59	Broadband Hosting B.V.	X	AS20562
60	SIACOM JSC	X	AS198150

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	Yoursafe Holding B.V.	X	AS48921
7	Broadband Hosting B.V.	X	AS20562
8	Zayo Infrastructure France SA	X	AS8218
9	Datacamp Limited	X	AS60068
10	LWLcom GmbH	X	AS50629
11	Fiber Telecom S.p.A.		AS41327
12	GEANT Vereniging	X	AS21320
13	Zain Omantel International FZ-LLC	X	AS8529
14	Jakub Krsa		AS214757
15	Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH	X	AS1764
16	Convergenze S.p.A.	X	AS39120
17	Core-Backbone GmbH	X	AS33891
18	Hohl IT e.U.	X	AS40994
19	Valve Corporation	X	AS32590
20	Open X Tecnologia Ltda	X	AS263444
21	OVH SAS	X	AS16276
22	Novelcomm LP	X	AS206735
23	Development 777 s.r.o.	X	AS51134
24	Wobcom GmbH	X	AS9136
25	GREEN FLOID LLC	X	AS204957
26	NIX.CZ z.s.p.o.	X	AS6881
27	NetActuate, Inc	X	AS36236
28	Reliance Jio Infocomm Pte Ltd Singapore	X	AS64049
29	NetIX Communications JSC	X	AS57463
30	Freenet Liberec, z.s.	X	AS29504
31	LEVEL EIGHTY-SIX COMMUNICATIONS LTD	X	AS212483
32	Fiord Networks, UAB	X	AS28917
33	SG.GS	X	AS24482
34	Euroweb Romania S.R.L.	X	AS6663
35	Virtual Technologies & Solutions	X	AS37721
36	Rocket Fibre Ltd	X	AS8801
37	Fonira Telekom GmbH	X	AS51184
38	Hetzner Online GmbH	X	AS24940
39	wilhelm.tel GmbH		AS15943
40	mapnet IT services s.r.o.	X	AS211085
41	Inovare-Prim SRL	X	AS60602
42	i3D.net B.V	X	AS49544
43	SIACOM JSC	X	AS198150
44	Kabel-TV Lampert GmbH & Co KG	X	AS59890

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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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