AS Number
AS24971
AS Name
MASTER-AS
Org Name
Master Internet s.r.o.
Country / Region
Czech
Registry

ripe

RegDate

Updated

2018-11-22T15:27:30Z

AS24971 Looking Glass
https://lg.masterinter.net
IPv4Prefixes

33

IPv6Prefixes

13

IPv4 NUMs

58,880

IPv6 NUMs(/64)

90,261,618,688

58,880 IPv4 Addresses
CIDR Description IP Num
5.180.200.0/22
ROA Signed and Valid IRR Valid
Bydzovsky s.r.o. 1024
37.140.220.0/24
ROA Signed and Valid IRR Valid
ProfiSMS s.r.o. 256
37.205.8.0/22
ROA Signed and Valid IRR Valid
VPSFREE-PRG4 1024
37.205.12.0/22
ROA Signed and Valid IRR Valid
VPSFREE-PRG6 1024
77.93.192.0/19
ROA Signed and Valid IRR Valid
Master Internet s.r.o. 8192
80.79.16.0/20
ROA Signed and Valid IRR Valid
Master Internet s.r.o. 4096
81.31.32.0/20
ROA Signed and Valid IRR Valid
Master Internet s.r.o. 4096
83.167.224.0/19
ROA Signed and Valid IRR Valid
Master Internet s.r.o. 8192
83.223.52.0/24
IRR Valid
VITS-PROXY-NETWORK 256
85.118.128.0/21
ROA Signed and Valid IRR Valid
Master Internet s.r.o. 2048
89.185.224.0/19
ROA Signed and Valid IRR Valid
Master Internet s.r.o. 8192
91.213.160.0/24
ROA Signed and Valid IRR Valid
Internet Info, s.r.o. 256
91.214.192.0/22
ROA Signed and Valid IRR Valid
QCM, s.r.o. 1024
91.216.179.0/24
ROA Signed and Valid IRR Valid
oXyShop s.r.o. 256
91.226.216.0/22
ROA Signed and Valid IRR InValid
W HOSTING, s.r.o. 1024
92.63.56.0/24
ROA Signed and Valid IRR Valid
Axfone s.r.o. 256
130.193.16.0/24
ROA Signed and Valid IRR Valid
BNV-NET1 256
149.62.144.0/21
ROA Signed and Valid IRR Valid
Master Internet s.r.o. 2048
176.227.168.0/23
ROA Signed and Valid IRR Valid
HostingSolutions s.r.o. 512
178.238.32.0/20
ROA Signed and Valid IRR Valid
Master Internet s.r.o. 4096
185.8.164.0/23
ROA Signed and Valid IRR Valid
vpsFree.cz, z.s. 512
185.8.166.0/23
ROA Signed and Valid IRR Valid
VPSFREE-BRQ3 512
185.25.184.0/22
ROA Signed and Valid IRR Valid
NETIO Solutions s.r.o. 1024
185.32.160.0/22
ROA Signed and Valid IRR InValid
ANAFRA s.r.o. 1024
185.58.40.0/22
ROA Signed and Valid IRR Valid
Master Internet s.r.o. 1024
185.85.164.0/22
ROA Signed and Valid IRR Valid
ServerNow s.r.o. 1024
185.145.160.0/22
ROA Signed and Valid IRR Valid
Etnetera Core a.s. 1024
185.239.216.0/22
ROA Signed and Valid IRR Valid
AdminIT, s. r. o. 1024
188.213.234.0/23
ROA Signed and Valid IRR Valid
NETIO Solutions s.r.o. 512
188.215.18.0/23
ROA Signed and Valid IRR Valid
NETIO Solutions s.r.o. 512
193.169.160.0/23
ROA Signed and Valid IRR Valid
Imarto Inc. 512
194.145.180.0/22
ROA Signed and Valid IRR Valid
ServerNow s.r.o. 1024
195.140.252.0/22
ROA Signed and Valid IRR Valid
Virtualmaster, s.r.o. 1024
CIDR Description IP NUMs(prefix /64)
2001:678:a50::/48
ROA Signed and Valid IRR Valid
Imarto Inc. 65536
2001:67c:68::/48
ROA Signed and Valid IRR Valid
Internet Info, s.r.o. 65536
2a00:8220::/32
ROA Signed and Valid IRR Valid
NETIO Solutions s.r.o. 4294967296
2a00:a5a0::/32
ROA Signed and Valid IRR Valid
ANAFRA-6-CU0 4294967296
2a01:430::/32
ROA Signed and Valid IRR Valid
Master Internet s.r.o. 4294967296
2a03:3b40::/40
ROA Signed and Valid IRR Valid
VPSFREE-IPV6-PRG2 16777216
2a03:3b40:100::/40
ROA Signed and Valid IRR Valid
VPSFREE-IPV6-BRQ2 16777216
2a03:3b40:200::/39
ROA Signed and Valid IRR Valid
VPSFREE-IPV6-TUNNELS 33554432
2a03:7460::/32
ROA Signed and Valid IRR Valid
ServerNow s.r.o. 4294967296
2a04:16c0:200::/48
ROA Signed and Valid IRR Valid
NL-BITSAFE-002 65536
2a07:4880::/29
ROA Signed and Valid IRR Valid
Etnetera Core a.s. 34359738368
2a0b:3240::/32
ROA Signed and Valid IRR Valid
Bydzovsky s.r.o. 4294967296
2a0c:6380::/29
ROA Signed and Valid IRR Valid
AdminIT, s. r. o. 34359738368
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS199524 GCORE - G-Core Labs S.A., LU Luxembourg 87,552 107,937,792 IPv4 IPv4 IPv6 IPv6
AS40994 Alwyzon - Hohl IT e.U., AT Austria 2,560 4,295,032,832 IPv4 IPv4 IPv6 IPv6
AS51184 FONIRA - Fonira Telekom GmbH, AT Austria 12,800 111,669,739,520 IPv4 IPv4 IPv6 IPv6
AS59890 Kabel-TV-Lampert - Kabel-TV Lampert GmbH & Co KG, AT Austria 13,312 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS60068 CDN77 - Datacamp Limited, GB United Kingdom 98,304 956,497,920 IPv4 IPv4 IPv6 IPv6
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 21,504 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS35369 LINZAG-TELEKOM-AS - LINZ STROM GAS WAERME GmbH fuer Energiedienstleistungen und Telekommunikation, AT Austria 38,400 4,294,967,296 IPv4 IPv4
AS39120 CONVERGENZE-AS - Convergenze S.p.A., IT Italy 38,144 12,884,901,888 IPv4 IPv4 IPv6 IPv6
AS33891 CORE-BACKBONE - Core-Backbone GmbH, DE Germany 0 0 IPv6 IPv6
AS1299 TWELVE99 - Arelion Sweden AB, SE Sweden 229,632 94,642,896,896 IPv4 IPv4 IPv6 IPv6
AS6939 HURRICANE - Hurricane Electric LLC, US United States 518,656 282,631,665,680,384 IPv4 IPv4 IPv6 IPv6
AS8218 NEO-ASN - Zayo Infrastructure France SA, FR France 47,616 12,884,967,424 IPv4 IPv4 IPv6 IPv6
AS14840 COMMCORP COMUNICACOES LTDA, BR Brazil 64,512 15,083,634,688 IPv4 IPv4 IPv6 IPv6
AS8447 A1TELEKOM-AT - A1 Telekom Austria AG, AT Austria 2,831,360 171,799,150,592 IPv4 IPv4
AS9002 RETN-AS - RETN Limited, GB United Kingdom 34,048 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS197451 VUTBR-AS - Brno University of Technology, CZ Czech 67,072 55,834,836,992 IPv6 IPv6
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 101,632 341,184,020,480 IPv4 IPv4 IPv6 IPv6
AS57463 NetIX - NetIX Communications JSC, BG Bulgaria 512 0 IPv4 IPv4 IPv6 IPv6
AS8529 OMANTEL-AS - Zain Omantel International FZ-LLC, AE United Arab Emirates 15,360 0 IPv6 IPv6
AS4455 BSO - IX Reach Ltd, GB United Kingdom 56,320 12,884,967,424 IPv4 IPv4
AS6204 ZET-NET - INTERKVM HOST SRL, RO Romania 512 268,435,456 IPv4 IPv4 IPv6 IPv6
AS21320 GEANT_IAS_VRF - GEANT Vereniging, NL Netherlands 2,048 4,295,032,832 IPv4 IPv4 IPv6 IPv6
AS37721 Virtual-Technologies-Solutions-SA - Virtual Technologies & Solutions, BF Burkina Faso 15,360 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS21045 QnetCZ - K-net Technical International Group, s.r.o., CZ Czech 4,096 0 IPv4 IPv4
AS199806 DCIT-AS-CZ - DCIT, a.s., CZ Czech 256 65,536 IPv6 IPv6
AS211085 amccomp-master-praha - mapnet IT services s.r.o., CZ Czech 0 65,536 IPv6 IPv6
AS48921 VEROTEL-AS - Yoursafe Holding B.V., NL Netherlands 1,280 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS51134 INTACTO-AS - Development 777 s.r.o., CZ Czech 1,792 34,359,803,904 IPv4 IPv4 IPv6 IPv6
AS204957 GREENFLOID-AS - GREEN FLOID LLC, US United States 73,216 68,719,738,880 IPv4 IPv4 IPv6 IPv6
AS207167 amccomp-master-brno - mapnet IT services s.r.o., CZ Czech 3,584 38,654,705,664 IPv4 IPv4 IPv6 IPv6
AS208355 techkeeper - TechKeeper s.r.o., CZ Czech 1,024 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS24641 FASTER-AS - FASTER CZ spol. s r.o., CZ Czech 17,920 8,589,934,592 IPv6 IPv6

Peers at this Exchange Point

Country / Region IX IPv4 IPv6 Port Speed Updated
Czech NIX.CZ - Neutral Internet Exchange in the Czech Republic 91.210.16.86 2001:7f8:14::11:2 100 Gbps 2021-02-10 09:18:09
Czech BR-IX - Brno University of Technology 185.1.25.11 2001:7f8:87::11 10 Gbps 2017-08-15 11:50:53
Czech NIX.CZ - Neutral Internet Exchange in the Czech Republic 91.210.16.85 2001:7f8:14::11:1 100 Gbps 2021-08-18 11:42:18
Czech NIX.CZ FENIX 194.50.100.85 2001:7f8:14:5ec::11:1 100 Gbps 2021-08-18 11:42:18
Czech Peering.cz - Peering.cz eXchange 185.0.20.14 2001:7f8:7f::14 100 Gbps 2023-03-21 05:48:08
Slovakia NIX.SK - Neutral Internet eXchange Slovakia 194.30.187.85 2001:7f8:91::8:1 10 Gbps 2020-11-30 00:04:18
Czech NIX.CZ FENIX 194.50.100.86 2001:7f8:14:5ec::11:2 100 Gbps 2021-02-10 09:18:09

Private Peering Facilities

Country / Region Name City Website Updated
CE Colo Prague Prague http://www.cecolo.com/ 2016-03-14 21:50:19
GTS Telehouse Prague Prague http://www.gtsnovera.cz/ 2016-03-14 21:50:19
Master DC Prague Prague http://www.masterdc.com/master-dc-prague/ 2016-03-14 20:31:40
Master DC Brno Brno http://www.masterdc.com/master-dc-brno-en/ 2016-03-14 20:31:40
IP Address Domain NUMs Domains
5.180.200.2 10 admin.rozhled.cz
5.180.200.5 290 a.mx.enespo.cz
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 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
export:         to AS207167 announce {0.0.0.0/0};
remarks:        = LAYER6
import:         from AS204957 action pref=10; accept AS204957;
export:         to AS204957 announce {0.0.0.0/0};
remarks:        = Techkeeper
import:         from AS208355 action pref=10; accept AS208355;
export:         to AS208355 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:  2024-04-02T07:23:39Z
source:         RIPE

organisation:   ORG-MIs2-RIPE
org-name:       Master Internet s.r.o.
country:        CZ
org-type:       LIR
address:        Jiraskova 21
address:        602 00
address:        Brno
address:        CZECH REPUBLIC
phone:          +420 777919700
e-mail:         lir-req@master.cz
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:  2020-12-16T12:56:39Z
source:         RIPE

role:           Master Internet contact
address:        Master Internet s.r.o
address:        Jiraskova 21
address:        602 00 Brno
address:        Czech Republic
phone:          +420777919484
e-mail:         support@master.cz
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:  2013-10-10T10:00:26Z
source:         RIPE

person:         Martin Zidek
address:        Master Internet s.r.o.
address:        Cejl 20
address:        602 00 Brno
address:        Czech Republic
phone:          +420 777919700
e-mail:         zidek@master.cz
nic-hdl:        MZI-RIPE
mnt-by:         MASTER-MNT
created:        2008-04-11T07:45:37Z
last-modified:  2017-10-30T22:00:16Z
source:         RIPE