AS24971 MasterDC s.r.o. 🇨🇿 CZ
Announcing 46 prefixes, seen at the RIS collectors.
IPv4 prefixes
33
58,880 (230 × /24)
IPv6 prefixes
13
21 × /32
Upstreams
3
transit providers observed
Peers
7
settlement-free adjacencies
Downstreams
8
transit customers observed
Customer cone
18
ASes reachable through it
Registry and operator data
- AS number
- AS24971
- Name
- MasterDC s.r.o.
- Organisation
- MasterDC
- Country
- 🇨🇿 CZ
- RIR
- RIPENCC
- Allocated
- 2002-06-11
- Network type
- Content
- Scope
- Europe
- Peering policy
- Open
- IRR as-set
- AS24971:AS-MASTERCZ
- Website
- https://www.master.cz
- Looking glass
- https://lg.masterinter.net
- PeeringDB
- net/2107
- Exchanges
- 5
- Facilities
- 4
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Whois
Fetched from whois.ripe.net
as-block: AS24879 - AS24986
descr: RIPE NCC ASN block
remarks: These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by: RIPE-NCC-HM-MNT
created: 2018-11-22T15:27:30Z
last-modified: 2018-11-22T15:27:30Z
source: 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 AS61005:AS-OPENTLD
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: 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: 2026-09-22T11:58:17Z
source: RIPE
organisation: ORG-MIs2-RIPE
org-name: MasterDC s.r.o.
country: CZ
reg-nr: 26277557
org-type: LIR
address: Purkynova 3030/35e
address: 612 00
address: Brno
address: CZECH REPUBLIC
phone: +420 777919700
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: 2026-05-13T07:29:49Z
source: RIPE # Filtered
role: MasterDC contact
address: MasterDC s.r.o
address: Purkynova 3030/35e
address: 612 00 Brno
address: Czech Republic
phone: +420777919484
abuse-mailbox: abuse@master.cz
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: 2025-04-30T12:45:18Z
source: RIPE # Filtered
person: Martin Zidek
address: MasterDC s.r.o.
address: Cejl 20
address: 602 00 Brno
address: Czech Republic
phone: +420 777919700
nic-hdl: MZI-RIPE
mnt-by: MASTER-MNT
created: 2008-04-11T07:45:37Z
last-modified: 2025-04-30T12:45:18Z
source: RIPE # Filtered