AS204772 Reditelstvi silnic a dalnic s.p. 🇨🇿 CZ

Announcing 2 prefixes, seen at the RIS collectors.

IPv4 prefixes

1,024 (4 × /24)

IPv6 prefixes

1 × /32

Upstreams

transit providers observed

Peers

settlement-free adjacencies

Downstreams

transit customers observed

Customer cone

ASes reachable through it

Registry and operator data

AS number: AS204772
Name: Reditelstvi silnic a dalnic s.p.
Organisation: Reditelstvi silnic a dalnic CR
Country: 🇨🇿 CZ
RIR: RIPENCC
Allocated: 2018-01-10
Scope: Not Disclosed
Peering policy: Open
Website: http://www.rsd.cz
PeeringDB: net/19075
Exchanges: 1

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

0 valid (0.0%) 0 invalid (0.0%) 2 no ROA (100.0%)

Whois

Fetched from whois.ripe.net

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
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 # Filtered

role:           RSD CR Network Admins
address:        Cercanska 12
address:        Praha, Czech republic
org:            ORG-RSAD2-RIPE
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 # Filtered