AS Number
AS203645
AS Name
RYZNAR-AS
Org Name
Jan Ryznar
Country / Region
Czech
Registry

ripe

RegDate

Updated

2022-08-23T17:19:53Z

AS203645 Looking Glass
IPv4Prefixes

3

IPv6Prefixes

13

IPv4 NUMs

768

IPv6 NUMs(/64)

167,903,232

768 IPv4 Addresses
CIDR Description IP Num
185.133.188.0/24
IRR Parent Valid
Jan Ryznar 256
185.133.190.0/24
IRR Parent Valid
Jan Ryznar 256
185.133.191.0/24
IRR Parent Valid
Jan Ryznar 256
CIDR Description IP NUMs(prefix /64)
2a01:7d20:100::/40
IRR Parent Valid
Jan Ryznar 16777216
2a01:7d20:101::/48
IRR Parent Valid
Jan Ryznar 65536
2a01:7d20:200::/40
IRR Parent Valid
Jan Ryznar 16777216
2a01:7d20:300::/40
IRR Parent Valid
Jan Ryznar 16777216
2a01:7d20:500::/40
IRR Parent Valid
Jan Ryznar 16777216
2a01:7d20:700::/40
IRR Parent Valid
Jan Ryznar 16777216
2a01:7d20:a00::/40
IRR Parent Valid
Jan Ryznar 16777216
2a01:7d20:c00::/40
IRR Parent Valid
Jan Ryznar 16777216
2a01:7d20:e00::/40
IRR Parent Valid
Jan Ryznar 16777216
2a01:7d20:1000::/40
IRR Parent Valid
Jan Ryznar 16777216
2a01:7d20:1200::/40
IRR Parent Valid
Jan Ryznar 16777216
2a01:7d20:7d20::/48
IRR Parent Valid
Jan Ryznar 65536
2a01:7d20:7d21::/48
IRR Parent Valid
Jan Ryznar 65536
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS28725 CETIN-AS - CETIN a.s., CZ Czech 133,888 38,654,705,664 IPv4 IPv4 IPv6 IPv6
as-block:       AS196608 - AS207419
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:        2022-08-23T17:19:53Z
last-modified:  2022-08-23T17:19:53Z
source:         RIPE



aut-num:        AS203645
as-name:        RYZNAR-AS
org:            ORG-JR41-RIPE
import:         from AS5610 accept ANY
export:         to AS5610 announce AS203645
import:         from AS28725 accept ANY
export:         to AS28725 announce AS203645
admin-c:        IJR5-RIPE
tech-c:         IJR5-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         cz-rpsnet-1-mnt
created:        2016-01-07T07:46:56Z
last-modified:  2018-11-23T07:56:26Z
source:         RIPE

organisation:   ORG-JR41-RIPE
org-name:       Jan Ryznar
country:        CZ
org-type:       LIR
address:        Olsany 168
address:        789 62
address:        Olsany
address:        CZECH REPUBLIC
phone:          +420 588 517800
e-mail:         ryznar@rps.cz
admin-c:        IJR5-RIPE
tech-c:         IJR5-RIPE
abuse-c:        AR34770-RIPE
mnt-ref:        cz-rpsnet-1-mnt
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         cz-rpsnet-1-mnt
mnt-ref:        RIPE-NCC-HM-MNT
created:        2015-12-22T08:34:49Z
last-modified:  2020-12-16T13:05:20Z
source:         RIPE

person:         Ing. Jan Ryznar
address:        Olsany 168
address:        789 62
address:        Olsany
address:        CZECH REPUBLIC
phone:          +420 588 517800
nic-hdl:        IJR5-RIPE
mnt-by:         cz-rpsnet-1-mnt
created:        2015-12-22T08:34:48Z
last-modified:  2015-12-22T08:34:49Z
source:         RIPE