AS Number
AS201594
AS Name
CTU_AS4
Org Name
Czech Telecommunication Office
Country / Region
Czech
Registry

ripe

RegDate

Updated

2024-10-03T13:30:54Z

AS201594 Looking Glass
IPv4Prefixes

1

IPv6Prefixes

1

IPv4 NUMs

256

IPv6 NUMs(/64)

4,294,967,296

256 IPv4 Addresses
CIDR Description IP Num
185.68.215.0/24
IRR Valid
CZ-CTU-MEASUREMENT-SERVER 256
CIDR Description IP NUMs(prefix /64)
2a05:1c47::/32
IRR Valid
CZ-CTU-MEASUREMENT-SERVER 4294967296
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS1764 NEXTLAYER-AS - Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH, AT Austria 86,784 274,878,234,624 IPv4 IPv4 IPv6 IPv6
AS4455 BSO - IX Reach Ltd, GB United Kingdom 57,088 8,590,000,128 IPv4 IPv4
AS25248 BlueTone-AS - RADIOKOMUNIKACE a.s., CZ Czech 106,752 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS40994 Alwyzon - Hohl IT e.U., AT Austria 2,816 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 94,464 354,874,032,128 IPv4 IPv4 IPv6 IPv6
AS6939 HURRICANE - Hurricane Electric LLC, US United States 550,912 282,631,682,457,600 IPv4 IPv4
AS8218 NEO-ASN - Zayo Infrastructure France SA, FR France 47,360 12,884,967,424 IPv4 IPv4 IPv6 IPv6
AS14840 BR.Digital Provider, BR Brazil 67,072 14,009,892,864 IPv4 IPv4
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 21,504 4,294,967,296 IPv4 IPv4
AS57463 NetIX - NetIX Communications JSC, BG Bulgaria 0 0 IPv4 IPv4
AS5405 INTERDOTLINK - Inter.link GmbH, DE Germany 1,280 34,359,738,368 IPv6 IPv6
IP Address Domain NUMs Domains
185.68.215.10 1 qos.ctu.cz
185.68.215.12 1 vportal.ctu.cz
185.68.215.40 1 nettest.cz
185.68.215.41 2 msek-v4.nettest.cz
as-block:       AS200352 - AS203022
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:        2024-10-03T13:30:54Z
last-modified:  2024-10-03T13:30:54Z
source:         RIPE



aut-num:        AS201594
as-name:        CTU_AS4
org:            ORG-CTO1-RIPE
admin-c:        NO2604-RIPE
tech-c:         LS16790-RIPE
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         SUPER-CTU
import:         from AS5588 accept ANY
descr:          NIX.CZ
import:         from AS6881 accept ANY
import:         from AS47200 accept ANY
export:         to AS5588 announce AS201594
descr:          NIX.CZ
export:         to AS6881 announce AS201594
export:         to AS47200 announce AS201594
status:         ASSIGNED
created:        2014-09-12T09:04:28Z
last-modified:  2024-10-21T06:50:59Z
source:         RIPE

organisation:   ORG-CTO1-RIPE
org-name:       Czech Telecommunication Office
country:        CZ
org-type:       LIR
address:        Sokolovska 219
address:        19000
address:        Prague
address:        CZECH REPUBLIC
phone:          +420224004601
fax-no:         +420224004827
e-mail:         oganesjann@ctu.cz
abuse-c:        AC28632-RIPE
mnt-ref:        SUPER-CTU
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         SUPER-CTU
created:        2014-08-11T09:41:33Z
last-modified:  2024-10-21T13:00:57Z
source:         RIPE
admin-c:        NO2604-RIPE

person:         Ludek Svab
address:        Sokolovská 219, Prague, 19000, Czech Republic
phone:          +420224004198
nic-hdl:        LS16790-RIPE
mnt-by:         SUPER-CTU
created:        2024-10-21T06:42:38Z
last-modified:  2024-10-21T06:42:38Z
source:         RIPE

person:         Narek Oganesjan
address:        Sokolovska 219, Prague, 19000, Czech Republic
phone:          +420224004601
nic-hdl:        NO2604-RIPE
mnt-by:         SUPER-CTU
created:        2024-10-21T06:37:23Z
last-modified:  2024-10-21T06:37:23Z
source:         RIPE