AS20701 - CZNIC-AS3 - CZ.NIC, z.s.p.o., CZ

Czech
AS Number
AS20701
AS Name
CZNIC-AS3
Org Name
CZ.NIC, z.s.p.o.
Country / Region
Czech
Registry

ripe

RegDate

Updated

2018-11-22T15:27:27Z

AS20701 Looking Glass
IPv4Prefixes

2

IPv6Prefixes

2

IPv4 NUMs

512

IPv6 NUMs(/64)

131,072

CIDR Description IP Num
185.43.135.0/24
IRR Valid
CZ.NIC, z.s.p.o. 256
193.17.47.0/24
IRR Valid
CZ.NIC, z.s.p.o. 256
CIDR Description IP NUMs(prefix /64)
2001:148f:fffe::/48
IRR Valid
CZ.NIC, z.s.p.o. 65536
2001:148f:ffff::/48
IRR Valid
CZ.NIC, z.s.p.o. 65536
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS25192 CZNIC-AS - CZ.NIC, z.s.p.o., CZ Czech 6,400 4,295,360,512 IPv4 IPv4 IPv6 IPv6

Whois Record

as-block AS20485 - AS20857

as-block
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
2018-11-22T15:27:27Z
last-modified
2018-11-22T15:27:27Z
source
RIPE

aut-num AS20701

aut-num
as-name
CZNIC-AS3
import
from AS25192 accept ANY
export
to AS25192 announce AS20701
org
ORG-Cz1-RIPE
admin-c
CZ-RIPE
tech-c
CZ-RIPE
status
ASSIGNED
mnt-by
RIPE-NCC-END-MNT
CZ-NIC-MNT
created
2002-06-20T17:41:54Z
last-modified
2019-04-04T08:13:35Z
source
RIPE

organisation ORG-Cz1-RIPE

organisation
ORG-Cz1-RIPE
org-name
CZ.NIC, z.s.p.o.
country
CZ
reg-nr
67985726
org-type
LIR
address
Milesovska 5
13000
Praha 3
CZECH REPUBLIC
phone
+420222745111
fax-no
+420222745112
e-mail
cto@nic.cz
admin-c
MP12962-RIPE
JARA
OF156-RIPE
mnt-ref
CZ-NIC-MNT
RIPE-NCC-HM-MNT
notify
ntf@nic.cz
mnt-by
RIPE-NCC-HM-MNT
CZ-NIC-MNT
abuse-c
CZ-RIPE
created
2004-04-17T11:04:42Z
last-modified
2026-05-13T07:30:28Z
source
RIPE

role Top level domain .CZ Operations

role
Top level domain .CZ Operations
address
CZ.NIC, z.s.p.o.
Milesovska 5
Praha 3
130 00
The Czech Republic
phone
+420 222 745 111
fax-no
+420 222 745 112
e-mail
hostmaster@nic.cz
abuse-mailbox
abuse@nic.cz
admin-c
OF156-RIPE
tech-c
MP12962-RIPE
JARA
nic-hdl
CZ-RIPE
notify
ntf@nic.cz
mnt-by
CZ-NIC-MNT
created
2003-05-16T20:14:31Z
last-modified
2025-10-10T09:03:19Z
source
RIPE
 

as-block:       AS20485 - AS20857
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:        2018-11-22T15:27:27Z
last-modified:  2018-11-22T15:27:27Z
source:         RIPE



aut-num:        AS20701
as-name:        CZNIC-AS3
import:         from AS25192 accept ANY
export:         to AS25192 announce AS20701
org:            ORG-Cz1-RIPE
admin-c:        CZ-RIPE
tech-c:         CZ-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         CZ-NIC-MNT
created:        2002-06-20T17:41:54Z
last-modified:  2019-04-04T08:13:35Z
source:         RIPE

organisation:   ORG-Cz1-RIPE
org-name:       CZ.NIC, z.s.p.o.
country:        CZ
reg-nr:         67985726
org-type:       LIR
address:        Milesovska 5
address:        13000
address:        Praha 3
address:        CZECH REPUBLIC
phone:          +420222745111
fax-no:         +420222745112
e-mail:         cto@nic.cz
admin-c:        MP12962-RIPE
admin-c:        JARA
admin-c:        OF156-RIPE
mnt-ref:        CZ-NIC-MNT
mnt-ref:        RIPE-NCC-HM-MNT
notify:         ntf@nic.cz
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         CZ-NIC-MNT
abuse-c:        CZ-RIPE
created:        2004-04-17T11:04:42Z
last-modified:  2026-05-13T07:30:28Z
source:         RIPE

role:           Top level domain .CZ Operations
address:        CZ.NIC, z.s.p.o.
address:        Milesovska 5
address:        Praha 3
address:        130 00
address:        The Czech Republic
phone:          +420 222 745 111
fax-no:         +420 222 745 112
e-mail:         hostmaster@nic.cz
abuse-mailbox:  abuse@nic.cz
admin-c:        OF156-RIPE
tech-c:         MP12962-RIPE
tech-c:         JARA
nic-hdl:        CZ-RIPE
notify:         ntf@nic.cz
mnt-by:         CZ-NIC-MNT
created:        2003-05-16T20:14:31Z
last-modified:  2025-10-10T09:03:19Z
source:         RIPE