AS Name
INTERNET-CZ
Org Name
INTERNET CZ, a.s.
Registry Region
Czech
Looking Glass
IPv4Prefixes

15

IPv6Prefixes

1

IPv4 NUMs

45,824

IPv6 NUMs(/64)

4,294,967,296

45,824 IPv4 Addresses
CIDR Description IP Num
80.211.192.0/19 INTERNET CZ, a.s. 8192
80.211.215.0/24 INTERNET CZ, a.s. 256
81.2.192.0/18 INTERNET CZ, a.s. 16384
85.255.0.0/20 AlphaNet spolka z o. o. 4096
85.255.3.0/24 AlphaNet spolka z o. o. 256
85.255.6.0/24 AlphaNet spolka z o. o. 256
185.28.100.0/22 CLOUD-SMART-36-CZ 1024
185.33.144.0/22 CLOUD-PRO-4-SMART-40-41-CZ 1024
185.33.147.0/24 FORPSI-DEDICATED-SERVERS 256
185.129.136.0/22 INTERNET CZ, a.s. 1024
185.186.20.0/22 AlphaNet spolka z o. o. 1024
193.105.157.0/24 ASPone, s.r.o. 256
193.105.158.0/23 ASPone, s.r.o. 512
194.182.64.0/19 Aruba S.p.A. 8192
195.181.208.0/20 CLOUD-SMART-42-49-CZ 4096
CIDR Description IP NUMs(prefix /64)
2001:15e8::/32 INTERNET CZ, a.s. 4294967296
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS19905 NEUSTAR-AS6 - NeuStar, Inc., US United States 39,168 1,048,576 IPv4 IPv4
AS49102 CONNECTED - Connected sp. z o. o., PL Poland 17,152 0 IPv4 IPv4
AS60501 SIRIUSTEC-IT - Sirius Technology SRL, IT Italy 4,864 107,374,182,400 IPv4 IPv4 IPv6 IPv6
AS6881 NIXCZ - NIX.CZ z.s.p.o., CZ Czech 3,328 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS15576 NTS - NTS workspace AG, CH Switzerland 46,336 124,588,064,768 IPv4 IPv4
AS35297 DATALINE-AS - Dataline LLC, UA Ukraine 9,728 4,294,967,296 IPv4 IPv4
AS36236 NETACTUATE - NetActuate, Inc, US United States 99,328 5,933,629,440 IPv4 IPv4 IPv6 IPv6
AS39120 CONVERGENZE-AS - Convergenze S.p.A., IT Italy 92,672 4,294,967,296 IPv4 IPv4
AS263009 FORTE TELECOM LTDA., BR Brazil 3,072 4,294,967,296 IPv4 IPv4
AS8708 RCS-RDS - RCS & RDS SA, RO Romania 2,144,256 68,719,476,736 IPv4 IPv4
AS41327 FIBERTELECOM-AS - Fiber Telecom S.p.A., IT Italy 8,192 68,719,476,736 IPv4 IPv4
AS43531 IXREACH - IX Reach Ltd, GB United Kingdom 14,592 4,294,967,296 IPv4 IPv4
AS49420 APLITT - Aplitt Sp. z o.o., PL Poland 512 65,536 IPv4 IPv4 IPv6 IPv6
AS5394 Unidata - UNIDATA S.p.A., IT Italy 83,456 4,294,967,296 IPv4 IPv4
AS6830 LibertyGlobal - Liberty Global B.V., AT Austria 12,207,104 1,005,324,795,904 IPv4 IPv4 IPv6 IPv6
AS28260 , BR Brazil 16,384 4,294,967,296 IPv4 IPv4
AS34779 T-2-AS - T-2, d.o.o., SI Slovenia 202,752 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS57463 NetIX - NetIX Communications Ltd., BG Bulgaria 512 0 IPv4 IPv4
AS28186 ITS TELECOMUNICACOES LTDA, BR Brazil 49,152 4,294,967,296 IPv4 IPv4
AS2607 SANET - Zdruzenie pouzivatelov Slovenskej akademickej datovej siete, SK Slovakia 558,592 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS8220 COLT - COLT Technology Services Group Limited, GB United Kingdom 1,136,128 17,180,327,936 IPv4 IPv4 IPv6 IPv6
AS29632 NASSIST-AS - Netassist Limited, GI Gibraltar 114,944 4,295,032,832 IPv6 IPv6
AS174 COGENT-174 - Cogent Communications, US United States 27,500,032 310,095,347,712 IPv4 IPv4 IPv6 IPv6
AS6939 HURRICANE - Hurricane Electric LLC, US United States 514,816 282,635,155,472,384 IPv4 IPv4 IPv6 IPv6
AS8218 NEO-ASN - Zayo France SAS, FR France 56,064 42,950,524,928 IPv4 IPv4 IPv6 IPv6
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 22,784 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS29504 LBCFREE - Freenet Liberec, z.s., CZ Czech 1,024 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS202297 SKYLON - Skylon Solutions Limited, GB United Kingdom 512 4,295,360,512 IPv4 IPv4 IPv6 IPv6
AS12310 iNES - iNES GROUP SRL, RO Romania 62,976 38,654,705,664 IPv4 IPv4

Peers at this Exchange Point

Country/Region IX IPv4 IPv6 Port Speed Updated
Czech NIX.CZ - Neutral Internet Exchange in the Czech Republic 91.210.16.165 2001:7f8:14::53:1 10 Gbps 2017-09-15 09:46:27
Czech NIX.CZ - Neutral Internet Exchange in the Czech Republic 91.210.16.166 2001:7f8:14::53:2 10 Gbps 2017-09-15 09:47:09
Poland Equinix Warsaw - Equinix Internet Exchange Warsaw (formerly PLIX) 195.182.218.64 2001:7f8:42::a502:4806:1 1 Gbps 2018-04-17 12:26:05
Slovakia SIX.SK - Slovak Internet eXchange 192.108.148.195 1 Gbps 2017-09-15 09:57:48
Slovakia NIX.SK - Neutral Internet eXchange Slovakia 194.30.187.165 2001:7f8:91::9:1 1 Gbps 2017-09-15 09:58:36
Hungary BiX - Budapest Internet eXchange 193.188.137.140 2001:7f8:35::2:4806:1 1 Gbps 2017-09-15 10:02:44

Private Peering Facilities

Country/Region Name City Website Updated
CE Colo Prague Prague http://www.cecolo.com/ 2017-09-15 09:48:26
TTC TELEPORT DC1 Prague http://www.ttc-teleport.cz/ 2017-09-15 09:48:40
as-block:       AS24802 - AS24834
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:        2018-11-22T15:27:29Z
last-modified:  2018-11-22T15:27:29Z
source:         RIPE



aut-num:        AS24806
org:            ORG-ICa1-RIPE
as-name:        INTERNET-CZ
descr:          Ktis 2, 384 03 Ktis, CZ
remarks:        # upstream: import
import:         from AS174 accept ANY
import:         from AS6830 accept ANY
remarks:
remarks:        # upstream: export
export:         to AS174 announce AS-INTERNETCZ
export:         to AS6830 announce AS-INTERNETCZ
remarks:        # peering at NIX.cz Prague: import
import:         from AS1257 accept AS-TELE2
import:         from AS1902 accept AS-CTT-IT
import:         from AS2686 accept AS-IGNEMEA
import:         from AS2819 accept AS-GTSCZ-NIX
import:         from AS2852 accept AS-CESNET
import:         from AS5407 accept AS5407
import:         from AS5610 accept AS-CTIOL
import:         from AS6706 accept AS6706
import:         from AS6881 accept AS-NIX
import:         from AS8422 accept AS-NETCOLOGNE
import:         from AS8593 accept AS8593
import:         from AS8747 accept AS-INWAY
import:         from AS8913 accept AS8913
import:         from AS9080 accept AS-GIN-NIX
import:         from AS9148 accept AS-TGCZ-NIX
import:         from AS12306 accept AS-PLUSLINE
import:         from AS12570 accept AS12570
import:         from AS12767 accept AS-PRAGONET-NIX
import:         from AS13036 accept AS13036
import:         from AS15494 accept AS-BTCZ
import:         from AS15685 accept AS-CASABLANCA
import:         from AS15935 accept AS-HA-VEL-CZNIX
import:         from AS16019 accept AS16019
import:         from AS16075 accept AS-ETELGROUP
import:         from AS16246 accept AS16246
import:         from AS20723 accept AS20723
import:         from AS21430 accept AS21430
import:         from AS21435 accept AS21435
import:         from AS24828 accept AS24828
import:         from AS24930 accept AS-CECOMCZ-NIX
import:         from AS24971 accept AS-MASTERCZ-CZNIX
import:         from AS25192 accept AS25192
import:         from AS25234 accept AS25234
import:         from AS25248 accept AS-BLUETONE-CUST
import:         from AS25424 accept AS25424
import:         from AS25512 accept AS25512
import:         from AS28725 accept AS28725
import:         from AS29086 accept AS29086
import:         from AS29134 accept AS29134
import:         from AS29208 accept as-dialtelecom
import:         from AS29321 accept AS-CentroNet
import:         from AS30134 accept AS30134
import:         from AS31246 accept AS-NETBOX-CZNIX
import:         from AS33883 accept AS33883
remarks:        # peering at NIX.cz Prague: export
export:         to AS1257 announce AS-INTCZ-NIX
export:         to AS1902 announce AS-INTCZ-NIX
export:         to AS2686 announce AS-INTCZ-NIX
export:         to AS2819 announce AS-INTCZ-NIX
export:         to AS2852 announce AS-INTCZ-NIX
export:         to AS5407 announce AS-INTCZ-NIX
export:         to AS5610 announce AS-INTCZ-NIX
export:         to AS6706 announce AS-INTCZ-NIX
export:         to AS6881 announce AS-INTCZ-NIX
export:         to AS8422 announce AS-INTCZ-NIX
export:         to AS8593 announce AS-INTCZ-NIX
export:         to AS8747 announce AS-INTCZ-NIX
export:         to AS8913 announce AS-INTCZ-NIX
export:         to AS9080 announce AS-INTCZ-NIX
export:         to AS9148 announce AS-INTCZ-NIX
export:         to AS12306 announce AS-INTCZ-NIX
export:         to AS12570 announce AS-INTCZ-NIX
export:         to AS12767 announce AS-INTCZ-NIX
export:         to AS13036 announce AS-INTCZ-NIX
export:         to AS15494 announce AS-INTCZ-NIX
export:         to AS15685 announce AS-INTCZ-NIX
export:         to AS15935 announce AS-INTCZ-NIX
export:         to AS16019 announce AS-INTCZ-NIX
export:         to AS16075 announce AS-INTCZ-NIX
export:         to AS16246 announce AS-INTCZ-NIX
export:         to AS20723 announce AS-INTCZ-NIX
export:         to AS21430 announce AS-INTCZ-NIX
export:         to AS21435 announce AS-INTCZ-NIX
export:         to AS24828 announce AS-INTCZ-NIX
export:         to AS24930 announce AS-INTCZ-NIX
export:         to AS24971 announce AS-INTCZ-NIX
export:         to AS25192 announce AS-INTCZ-NIX
export:         to AS25234 announce AS-INTCZ-NIX
export:         to AS25248 announce AS-INTCZ-NIX
export:         to AS25424 announce AS-INTCZ-NIX
export:         to AS25512 announce AS-INTCZ-NIX
export:         to AS28725 announce AS-INTCZ-NIX
export:         to AS29086 announce AS-INTCZ-NIX
export:         to AS29134 announce AS-INTCZ-NIX
export:         to AS29208 announce AS-INTCZ-NIX
export:         to AS29321 announce AS-INTCZ-NIX
export:         to AS30134 announce AS-INTCZ-NIX
export:         to AS31246 announce AS-INTCZ-NIX
export:         to AS33883 announce AS-INTCZ-NIX
remarks:        # peering at SIX.sk Bratislava: import
import:         from AS2607 accept AS2607
import:         from AS5578 accept AS5578
import:         from AS5628 accept AS5628
import:         from AS6658 accept AS6658
import:         from AS6726 accept AS6726
import:         from AS6855 accept AS6855
import:         from AS6862 accept AS6862
import:         from AS8264 accept AS8264
import:         from AS8620 accept AS8620
import:         from AS8778 accept AS8778
import:         from AS12426 accept AS12426
import:         from AS12508 accept AS12508
import:         from AS12905 accept AS12905
import:         from AS15955 accept AS15955
import:         from AS15962 accept AS15962
import:         from AS16160 accept AS16160
import:         from AS16295 accept AS16295
import:         from AS16317 accept AS16317
import:         from AS16367 accept AS16367
import:         from AS20579 accept AS20579
import:         from AS21019 accept AS21019
import:         from AS21460 accept AS21460
import:         from AS24744 accept AS24744
import:         from AS24930 accept AS-CECOMCZ-SIX
import:         from AS24980 accept AS24980
import:         from AS25496 accept AS25496
import:         from AS29208 accept AS29208
import:         from AS29405 accept AS29405
import:         from AS31117 accept AS31117
import:         from AS31127 accept AS31127
import:         from AS31679 accept AS31679
remarks:
remarks:        # peering at SIX.sk Bratislava: export
export:         to AS2607 announce AS-INTERNETCZ
export:         to AS5578 announce AS-INTERNETCZ
export:         to AS5628 announce AS-INTERNETCZ
export:         to AS6658 announce AS-INTERNETCZ
export:         to AS6726 announce AS-INTERNETCZ
export:         to AS6855 announce AS-INTERNETCZ
export:         to AS6862 announce AS-INTERNETCZ
export:         to AS8264 announce AS-INTERNETCZ
export:         to AS8620 announce AS-INTERNETCZ
export:         to AS8778 announce AS-INTERNETCZ
export:         to AS12426 announce AS-INTERNETCZ
export:         to AS12508 announce AS-INTERNETCZ
export:         to AS12905 announce AS-INTERNETCZ
export:         to AS15955 announce AS-INTERNETCZ
export:         to AS15962 announce AS-INTERNETCZ
export:         to AS16160 announce AS-INTERNETCZ
export:         to AS16295 announce AS-INTERNETCZ
export:         to AS16317 announce AS-INTERNETCZ
export:         to AS16367 announce AS-INTERNETCZ
export:         to AS20579 announce AS-INTERNETCZ
export:         to AS21019 announce AS-INTERNETCZ
export:         to AS21460 announce AS-INTERNETCZ
export:         to AS24744 announce AS-INTERNETCZ
export:         to AS24930 announce AS-INTERNETCZ
export:         to AS24980 announce AS-INTERNETCZ
export:         to AS25496 announce AS-INTERNETCZ
export:         to AS29208 announce AS-INTERNETCZ
export:         to AS29405 announce AS-INTERNETCZ
export:         to AS31117 announce AS-INTERNETCZ
export:         to AS31127 announce AS-INTERNETCZ
export:         to AS31679 announce AS-INTERNETCZ
remarks:
remarks:        # peering at BIX.hu Budapest: import
import:         from AS5507 accept AS-BIX
remarks:        # peering at BIX.hu Budapest: export
export:         to AS5507 announce AS-INTERNETCZ
remarks:
remarks:        peering contact: [email protected]
remarks:        noc contact: [email protected]
remarks:
admin-c:        ES4377-RIPE
tech-c:         PK677-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
tech-c:         RADA-RIPE
mnt-by:         INTERNET-CZ-MNT
created:        2002-09-24T10:40:59Z
last-modified:  2018-09-04T09:53:58Z
source:         RIPE

organisation:   ORG-ICa1-RIPE
org-name:       INTERNET CZ, a.s.
org-type:       LIR
address:        Ktis 2
address:        38403
address:        Ktis
address:        CZECH REPUBLIC
phone:          +420 383835353
fax-no:         +420 383835354
admin-c:        SC279-RIPE
admin-c:        ES4377-RIPE
admin-c:        RADA-RIPE
admin-c:        MG10548-RIPE
admin-c:        PK677-RIPE
mnt-ref:        INTERNET-CZ-MNT
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         INTERNET-CZ-MNT
abuse-c:        ICZ-RIPE
created:        2004-04-17T11:04:30Z
last-modified:  2017-02-15T06:05:58Z
source:         RIPE # Filtered

person:         Erich Syrovatka
address:        INTERNET CZ, a.s.
address:        Ktis 2
address:        Ktis
address:        384 03
address:        CZ
phone:          +420 383835353
nic-hdl:        ES4377-RIPE
mnt-by:         INTERNET-CZ-MNT
created:        2007-12-11T09:18:22Z
last-modified:  2017-10-30T21:57:50Z
source:         RIPE

person:         Petr Kolonicz
address:        INTERNET CZ,a.s.
address:        Ktis2
address:        Ktis
address:        38403
address:        cz
phone:          +420 383835353
nic-hdl:        PK677-RIPE
mnt-by:         INTERNET-CZ-MNT
created:        2002-04-25T05:53:44Z
last-modified:  2017-10-30T21:45:40Z
source:         RIPE # Filtered

person:         Michal Rada
address:        FORPSI www.forpsi.com
                INTERNET CZ, a.s.
                Ktis 2
                384 03 Ktis
                Czech Republic
phone:          +420 383835353
nic-hdl:        RADA-RIPE
mnt-by:         RADA-RIPE-MNT
created:        2010-04-19T09:47:37Z
last-modified:  2017-10-30T22:09:12Z
source:         RIPE