AS204772 - RSD-CZ - Reditelstvi silnic a dalnic s.p., CZ

Czech
AS Number
AS204772
AS Name
RSD-CZ
Org Name
Reditelstvi silnic a dalnic s.p.
Country / Region
Czech
Registry

ripe

RegDate

Updated

2026-03-05T15:29:31Z

AS204772 Looking Glass
IPv4Prefixes

1

IPv6Prefixes

1

IPv4 NUMs

1,024

IPv6 NUMs(/64)

4,294,967,296

CIDR Description IP Num
185.240.220.0/22
IRR Valid
Reditelstvi silnic a dalnic s.p. 1024
CIDR Description IP NUMs(prefix /64)
2a0c:8080::/32
IRR Valid
Reditelstvi silnic a dalnic s.p. 4294967296
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS40994 Alwyzon - Hohl IT e.U., AT Austria 5,632 38,654,705,664 IPv4 IPv4 IPv6 IPv6
AS57463 NetIX - NetIX Communications JSC, BG Bulgaria 256 0 IPv4 IPv4
AS51184 FONIRA - Fonira Telekom GmbH, AT Austria 13,824 111,669,149,696 IPv4 IPv4 IPv6 IPv6
AS6663 TTI-NET - Euroweb Romania S.R.L., RO Romania 39,680 6,442,450,944 IPv6 IPv6
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 116,992 356,753,080,320 IPv6 IPv6
AS4455 BSO - IX Reach Ltd, GB United Kingdom 64,256 12,884,967,424 IPv4 IPv4
AS6855 SK-TELEKOM - Slovak Telekom, a.s., SK Slovakia 663,296 38,671,876,096 IPv4 IPv4 IPv6 IPv6
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20,992 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS32590 VALVE-CORPORATION - Valve Corporation, US United States 13,568 2,293,760 IPv4 IPv4 IPv6 IPv6
AS8218 NEO-ASN - Zayo Infrastructure France SA, FR France 47,104 12,884,967,424 IPv4 IPv4 IPv6 IPv6
AS14840 BR.Digital Telecom, BR Brazil 72,960 14,010,613,760 IPv4 IPv4
AS53062 GGNET TELECOMUNICACOES LTDA, BR Brazil 28,416 4,848,746,496 IPv4 IPv4
AS60602 INOVARE-AS - Inovare-Prim SRL, MD Moldova 3,584 4,294,967,296 IPv4 IPv4
AS6204 ZET-NET - INTERKVM HOST SRL, RO Romania 3,840 268,500,999 IPv6 IPv6
AS1764 NEXTLAYER-AS - Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH, AT Austria 84,736 236,223,463,424 IPv4 IPv4 IPv6 IPv6
AS2852 CESNET2 - CESNET z.s.p.o., CZ Czech 849,920 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS39120 CONVERGENZE-AS - Convergenze S.p.A., IT Italy 42,496 17,179,869,184 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 91.210.16.240 2001:7f8:14::a3:1 1 Gbps 2026-03-26 15:25:01

Private Peering Facilities

Country / Region Name City Website Updated

Whois Record

as-block AS203940 - AS205662

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
2026-03-05T15:29:31Z
last-modified
2026-03-05T15:29:31Z
source
RIPE

aut-num AS204772

aut-num
as-name
RSD-CZ
org
ORG-RSAD2-RIPE
import
from AS2852 accept ANY
from AS48091 accept ANY
export
to AS2852 announce AS204772
to AS48091 announce AS204772
admin-c
RCNA1-RIPE
tech-c
RCNA1-RIPE
status
ASSIGNED
mnt-by
RIPE-NCC-END-MNT
cz-rsd-1-mnt
created
2018-01-10T13:13:02Z
last-modified
2023-08-29T10:55:29Z
source
RIPE

organisation ORG-RSAD2-RIPE

organisation
ORG-RSAD2-RIPE
org-name
Reditelstvi silnic a dalnic s.p.
country
CZ
reg-nr
Not Applicable
org-type
LIR
address
Cercanska 2023 /12
14000
Praha
CZECH REPUBLIC
phone
+420954901308
e-mail
admin-c
RCNA1-RIPE
tech-c
RCNA1-RIPE
abuse-c
AR44584-RIPE
mnt-ref
cz-rsd-1-mnt
mnt-by
RIPE-NCC-HM-MNT
cz-rsd-1-mnt
created
2018-01-09T09:20:27Z
last-modified
2026-05-13T07:10:07Z
source
RIPE

role RSD CR Network Admins

role
RSD CR Network Admins
address
Cercanska 12
Praha, Czech republic
org
ORG-RSAD2-RIPE
e-mail
nic-hdl
RCNA1-RIPE
admin-c
RB29772-RIPE
tech-c
RB29772-RIPE
mnt-by
cz-rsd-1-mnt
created
2018-01-11T21:11:54Z
last-modified
2023-08-29T10:55:29Z
source
RIPE
 

as-block:       AS203940 - AS205662
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:        2026-03-05T15:29:31Z
last-modified:  2026-03-05T15:29:31Z
source:         RIPE



aut-num:        AS204772
as-name:        RSD-CZ
org:            ORG-RSAD2-RIPE
import:         from AS2852 accept ANY
export:         to AS2852 announce AS204772
import:         from AS48091 accept ANY
export:         to AS48091 announce AS204772
admin-c:        RCNA1-RIPE
tech-c:         RCNA1-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         cz-rsd-1-mnt
created:        2018-01-10T13:13:02Z
last-modified:  2023-08-29T10:55:29Z
source:         RIPE

organisation:   ORG-RSAD2-RIPE
org-name:       Reditelstvi silnic a dalnic s.p.
country:        CZ
reg-nr:         Not Applicable
org-type:       LIR
address:        Cercanska 2023 /12
address:        14000
address:        Praha
address:        CZECH REPUBLIC
phone:          +420954901308
e-mail:         [email protected]
admin-c:        RCNA1-RIPE
tech-c:         RCNA1-RIPE
abuse-c:        AR44584-RIPE
mnt-ref:        cz-rsd-1-mnt
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         cz-rsd-1-mnt
created:        2018-01-09T09:20:27Z
last-modified:  2026-05-13T07:10:07Z
source:         RIPE

role:           RSD CR Network Admins
address:        Cercanska 12
address:        Praha, Czech republic
org:            ORG-RSAD2-RIPE
e-mail:         [email protected]
nic-hdl:        RCNA1-RIPE
admin-c:        RB29772-RIPE
tech-c:         RB29772-RIPE
mnt-by:         cz-rsd-1-mnt
created:        2018-01-11T21:11:54Z
last-modified:  2023-08-29T10:55:29Z
source:         RIPE