AS Name
MASTER-AS
Org Name
Master Internet s.r.o.
Registry Region
Czech
IPv4Prefixes

33

IPv6Prefixes

13

IPv4 NUMs

59,648

IPv6 NUMs(/64)

85,966,651,392

59,648 IPv4 Addresses
CIDR Description IP Num
5.180.200.0/22 Bydzovsky s.r.o. 1024
37.205.8.0/22 VPSFREE-PRG4 1024
37.205.12.0/22 VPSFREE-PRG6 1024
77.93.192.0/19 Master Internet s.r.o. 8192
80.78.242.0/23 "Domain names registrar REG.RU", Ltd 512
80.79.16.0/20 Master Internet s.r.o. 4096
81.31.32.0/20 Master Internet s.r.o. 4096
83.167.224.0/19 Master Internet s.r.o. 8192
83.223.52.0/24 VITS-PROXY-NETWORK 256
85.118.128.0/21 Seonet Multimedia s.r.o. 2048
89.185.224.0/19 Master Internet s.r.o. 8192
91.213.160.0/24 Internet Info, s.r.o. 256
91.214.192.0/22 QCM, s.r.o. 1024
91.216.179.0/24 oXy Online s.r.o. 256
91.226.216.0/22 W HOSTING, s.r.o. 1024
92.63.56.0/22 Axfone s.r.o. 1024
130.193.16.0/24 BNV-NET1 256
149.62.144.0/21 Master Internet s.r.o. 2048
176.227.168.0/23 HostingSolutions s.r.o. 512
178.238.32.0/20 Master Internet s.r.o. 4096
185.8.164.0/23 vpsFree.cz, z.s. 512
185.8.166.0/24 VPSFREE-BRQ3 256
185.25.184.0/22 NETIO 1024
185.32.160.0/22 ANAFRA s.r.o. 1024
185.58.40.0/22 Master Internet s.r.o. 1024
185.85.164.0/22 ServerNow s.r.o. 1024
185.145.160.0/22 Etnetera a.s. 1024
185.239.216.0/22 AdminIT, s. r. o. 1024
188.213.234.0/23 NETIO 512
188.215.18.0/23 NETIO 512
193.169.160.0/23 Imarto Inc. 512
194.145.180.0/22 ServerNow s.r.o. 1024
195.140.252.0/22 Virtualmaster, s.r.o. 1024
CIDR Description IP NUMs(prefix /64)
2001:678:a50::/48 Imarto Inc. 65536
2001:67c:68::/48 Internet Info, s.r.o. 65536
2a00:a5a0::/32 ANAFRA s.r.o. 4294967296
2a01:430::/32 Master Internet s.r.o. 4294967296
2a01:430:17::/48 Master Internet s.r.o. 65536
2a03:3b40::/40 VPSFREE-IPV6-PRG2 16777216
2a03:3b40:100::/40 VPSFREE-IPV6-BRQ2 16777216
2a03:3b40:200::/39 VPSFREE-IPV6-TUNNELS 33554432
2a03:7460::/32 ServerNow s.r.o. 4294967296
2a04:16c0:200::/48 NL-BITSAFE-002 65536
2a07:4880::/29 Etnetera a.s. 34359738368
2a0b:3240::/32 Bydzovsky s.r.o. 4294967296
2a0c:6380::/29 AdminIT, s. r. o. 34359738368
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS6939 HURRICANE - Hurricane Electric LLC, US United States 518,656 286,144,143,556,608 IPv4 IPv4 IPv6 IPv6
AS9002 RETN-AS - RETN Limited, GB United Kingdom 48,384 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS33891 CORE-BACKBONE - Core-Backbone GmbH, DE Germany 0 0 IPv4 IPv4 IPv6 IPv6
AS50629 LWLCOM - LWLcom GmbH, DE Germany 84,224 180,389,740,544 IPv4 IPv4 IPv6 IPv6
AS61955 ColocationIX-AS - ColocationIX GmbH, DE Germany 1,280 2,162,688 IPv4 IPv4
AS60501 SIRIUSTEC-IT - Sirius Technology SRL, IT Italy 4,864 107,374,182,400 IPv4 IPv4 IPv6 IPv6
AS1299 TELIANET - Telia Company AB, SE Sweden 302,848 17,605,339,512,832 IPv4 IPv4 IPv6 IPv6
AS8218 NEO-ASN - Zayo France SAS, FR France 55,296 42,950,524,928 IPv4 IPv4 IPv6 IPv6
AS20764 RASCOM-AS - CJSC RASCOM, RU Russian Federation 13,568 34,628,304,896 IPv4 IPv4
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 22,784 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS39120 CONVERGENZE-AS - Convergenze S.p.A., IT Italy 92,672 4,294,967,296 IPv4 IPv4
AS43531 IXREACH - IX Reach Ltd, GB United Kingdom 14,592 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS51184 FONIRA - Fonira Telekom GmbH, AT Austria 11,776 4,429,381,632 IPv4 IPv4 IPv6 IPv6
AS57463 NetIX - NetIX Communications Ltd., BG Bulgaria 256 0 IPv4 IPv4 IPv6 IPv6
AS5394 Unidata - UNIDATA S.p.A., IT Italy 83,456 4,294,967,296 IPv4 IPv4
AS6830 LGI-UPC - Liberty Global B.V., AT Austria 12,215,296 1,009,619,763,200 IPv4 IPv4 IPv6 IPv6
AS8447 TELEKOM-AT - A1 Telekom Austria AG, AT Austria 2,257,408 137,439,281,152 IPv4 IPv4 IPv6 IPv6
AS8881 VERSATEL - 1&1 Versatel Deutschland GmbH, DE Germany 1,367,808 51,540,131,840 IPv4 IPv4
AS35369 LINZAG-TELEKOM-AS - LINZ STROM GAS WAERME GmbH fuer Energiedienstleistungen und Telekommunikation, AT Austria 70,144 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS47692 NESSUS - Nessus GmbH, AT Austria 31,488 38,654,967,808 IPv4 IPv4 IPv6 IPv6
AS202297 SKYLON - Skylon Solutions Limited, GB United Kingdom 512 4,295,360,512 IPv4 IPv4 IPv6 IPv6
AS263009 FORTE TELECOM LTDA., BR Brazil 3,840 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS14061 DIGITALOCEAN-ASN - DigitalOcean, LLC, US United States 2,242,664 17,629,184 IPv4 IPv4 IPv6 IPv6
AS36236 NETACTUATE - NetActuate, Inc, US United States 98,560 5,933,563,904 IPv4 IPv4 IPv6 IPv6
AS41327 FIBERTELECOM-AS - Fiber Telecom S.p.A., IT Italy 7,680 68,719,476,736 IPv4 IPv4 IPv6 IPv6
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 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 12,800 4,295,032,832 IPv4 IPv4 IPv6 IPv6
AS48921 VEROTEL-AS - Verotel International B.V., NL Netherlands 1,280 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS51134 INTACTO-AS - INTACTO GAMES a.s., CZ Czech 1,792 34,359,803,904 IPv4 IPv4 IPv6 IPv6
AS204957 GREENFLOID-AS - ITL-Bulgaria Ltd., UA Ukraine 13,312 47,244,705,792 IPv4 IPv4 IPv6 IPv6
AS206344 AUKRO - AUKRO s.r.o., CZ Czech 1,024 262,144 IPv4 IPv4 IPv6 IPv6
AS207167 amccomp-master-brno - amccomp s.r.o., CZ Czech 3,584 38,654,705,664 IPv4 IPv4 IPv6 IPv6
AS21045 QnetCZ - K-net Technical International Group, s.r.o., CZ Czech 4,096 0 IPv4 IPv4
AS59925 GIGASERVER - Seonet Multimedia s.r.o., CZ Czech 1,024 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS60592 GRANSY - Gransy s.r.o., CZ Czech 5,120 12,884,901,888 IPv4 IPv4
AS199806 DCIT-AS-CZ - DCIT, a.s., CZ Czech 256 0 IPv4 IPv4

Peers at this Exchange Point

Country/Region IX IPv4 IPv6 Port Speed Updated
Slovakia SIX.SK - Slovak Internet eXchange 192.108.148.55 2001:7f8:2f::55 10 Gbps 2017-08-15 11:51:44
Czech NIX.CZ FENIX 194.50.100.86 2001:7f8:14:5ec::11:2 10 Gbps 2020-02-19 04:07:54
Czech NIX.CZ - Neutral Internet Exchange in the Czech Republic 91.210.16.86 2001:7f8:14::11:2 10 Gbps 2019-02-18 12:18:56
Czech Peering.cz - Peering.cz eXchange 91.213.211.14 2001:7f8:7f::14 10 Gbps 2017-08-15 11:51:43
Slovakia NIX.SK - Neutral Internet eXchange Slovakia 194.30.187.85 2001:7f8:91::8:1 10 Gbps 2017-08-15 11:51:44
Czech NIX.CZ - Neutral Internet Exchange in the Czech Republic 91.210.16.85 2001:7f8:14::11:1 10 Gbps 2017-08-15 11:51:43
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 FENIX 194.50.100.85 2001:7f8:14:5ec::11:1 10 Gbps 2020-02-19 04:07:54

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 Brno Brno http://www.masterdc.com/master-dc-brno-en/ 2016-03-14 20:31:40
Master DC Prague Prague 10 http://www.masterdc.com/master-dc-prague/ 2016-03-14 20:31:40
Slovak University of Technology Bratislava http://www.six.sk 2017-08-15 11:43:25
IP Address Domain NUMs Domains
5.180.200.2 7 admin.rozhled.cz
5.180.200.5 293 a.mx.branyvrata.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
descr:          Czech Republic / www.master.cz
remarks:
remarks:        .--------.---.-.-----.|  |_.-----.----.
remarks:        |        |  _  |__ --||   _|  -__|   _|
remarks:        |__|__|__|___._|_____||____|_____|__|
remarks:
remarks:        ========================  Upstream  ========================
remarks:
remarks:        = Telia
remarks:
import:         from AS1299 action pref=90; accept ANY AND NOT {0.0.0.0/0};
export:         to AS1299  announce  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  AS-MASTERCZ
remarks:
remarks:        ========================  Downstream ========================
remarks:
remarks:        = Faster CZ
import:         from AS24641 action pref=10; accept AS-FASTER-CZ
export:         to AS24641 announce ANY
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:        = Aukro a.s.
import:         from AS206344 action pref=10; accept AS206344;
export:         to AS206344 announce {0.0.0.0/0};
remarks:        = amccomp s.r.o.
import:         from AS207167 action pref=10; accept AS207167 AS201922 AS208143
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 AS-MAI-PEERING-CZ-PEER action pref = 50; accept ANY
export:         to   AS-MAI-PEERING-CZ-PEER announce AS-MASTERCZ-CZPEERING
remarks:
remarks:        ========================  NIX Prague peering ========================
remarks:
import:         from AS-MAI-NIX-PEER action pref = 50; accept ANY
export:         to   AS-MAI-NIX-PEER announce AS-MASTERCZ-CZNIX
remarks:
remarks:        ========================  SIX Bratislava peering ========================
remarks:
import:         from AS-MAI-SIX-PEER action pref = 50; accept ANY
export:         to   AS-MAI-SIX-PEER announce AS-MASTERCZ-SKSIX
remarks:
remarks:        ========================  NIX Bratislava peering ========================
remarks:
import:         from AS-MAI-NIX-PEER action pref = 50; accept ANY
export:         to   AS-MAI-NIX-PEER announce 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:  2019-09-26T11:25:21Z
source:         RIPE

organisation:   ORG-MIs2-RIPE
org-name:       Master Internet s.r.o.
org-type:       LIR
address:        Jiraskova 21
address:        602 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:  2017-10-30T14:44:41Z
source:         RIPE # Filtered

role:           Master Internet contact
address:        Master Internet s.r.o
address:        Jiraskova 21
address:        602 00 Brno
address:        Czech Republic
phone:          +420777919484
abuse-mailbox:  [email protected]
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 # Filtered

person:         Martin Zidek
address:        Master Internet 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:  2017-10-30T22:00:16Z
source:         RIPE # Filtered