AS Number
AS29321
AS Name
CentroNetAS
Org Name
O2 Czech Republic, a.s.
Country
Czech
Registry

ripe

RegDate

N/A

Updated

2024-06-20T15:31:34Z

AS29321 Looking Glass
IPv4Prefixes

5

IPv6Prefixes

1

IPv4 NUMs

15,360

IPv6 NUMs(/64)

4,294,967,296

15,360 IPv4 Addresses
CIDR Description IP Num
80.243.96.0/20 O2 Czech Republic, a.s. 4096
94.143.168.0/21 O2 Czech Republic, a.s. 2048
109.239.64.0/20 O2 Czech Republic, a.s. 4096
194.59.240.0/22 O2 Czech Republic, a.s. 1024
217.195.160.0/20 O2 Czech Republic, a.s. 4096
CIDR Description IP NUMs(prefix /64)
2a02:b20::/32 O2 Czech Republic, a.s. 4294967296
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS16246 AS16246 - O2 Czech Republic, a.s., CZ Czech 135,424 47,244,640,256 IPv4 IPv4 IPv6 IPv6
IP Address Domain NUMs Domains
80.243.100.194 1 stibi.cz
80.243.101.85 1 partner.xdocument.cz
80.243.101.97 1 me-foto.cz
80.243.102.44 2 cloud.anirad.cz
80.243.103.43 2 mail.rk2010.cz
80.243.103.57 1 57-103-243-80.cust.centrio.cz
80.243.104.2 1 www.nixity.synology.me
80.243.106.98 3 boudarosa.cz
80.243.106.140 1 photokate.cz
80.243.107.38 90 alarmy.cz
as-block:       AS29092 - AS29337
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:        2018-11-22T15:27:31Z
last-modified:  2018-11-22T15:27:31Z
source:         RIPE



aut-num:        AS29321
org:            ORG-STaN1-RIPE
admin-c:        CZO2-RIPE
tech-c:         CZO2-RIPE
as-name:        CentroNetAS
descr:          Czech Republic
remarks:        --------------------------
remarks:        - IP TRANSIT -
remarks:        --------------------------
remarks:        AS16426 - NEJ.CZ
import:         from AS16426 accept ANY
export:         to AS16426 announce AS-CentroNet
remarks:        --------------------------
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         AS5610-MTN
created:        2003-07-31T08:10:10Z
last-modified:  2024-06-20T15:31:34Z
source:         RIPE

organisation:   ORG-STaN1-RIPE
org-name:       O2 Czech Republic, a.s.
country:        CZ
org-type:       LIR
address:        Za Brumlovkou 266/2
address:        140 22
address:        Praha 4 - Michle
address:        CZECH REPUBLIC
phone:          +420 2 71466184
fax-no:         +420 2 71464414
e-mail:         [email protected]
admin-c:        VAKO1-RIPE
admin-c:        MV96-RIPE
admin-c:        HVJI1-RIPE
tech-c:         CZO2-RIPE
abuse-c:        AR14410-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        AS5610-MTN
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         AS5610-MTN
created:        2004-04-17T11:04:17Z
last-modified:  2020-12-16T12:31:56Z
source:         RIPE

role:           5610-Tech-and-Admin
address:        Za Brumlovkou 266/2
address:        Praha 4 - Michle, PSC 140 22
e-mail:         [email protected]
nic-hdl:        CZO2-RIPE
admin-c:        VAKO1-RIPE
admin-c:        MV96-RIPE
admin-c:        HVJI1-RIPE
tech-c:         VAKO1-RIPE
tech-c:         HVJI1-RIPE
abuse-mailbox:  [email protected]
org:            ORG-STaN1-RIPE
mnt-by:         AS5610-MTN
created:        2016-02-18T09:58:30Z
last-modified:  2018-04-20T10:44:21Z
source:         RIPE