AS203258 UCNS Limited 🇬🇧 GB

Announcing 5 prefixes, seen at the RIS collectors.

IPv4 prefixes

1,280 (5 × /24)

IPv6 prefixes

Upstreams

transit providers observed

Peers

settlement-free adjacencies

Downstreams

transit customers observed

Customer cone

ASes reachable through it

Registry and operator data

AS number: AS203258
Name: UCNS Limited
Organisation: UCNS Limited
Country: 🇬🇧 GB
RIR: RIPENCC
Allocated: 2016-03-08

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

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

Whois

Fetched from whois.ripe.net

as-block:       AS203113 - AS203887
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:        2024-11-12T15:22:00Z
last-modified:  2024-11-12T15:22:00Z
source:         RIPE

aut-num:        AS203258
as-name:        UCNS-AS
org:            ORG-UL52-RIPE
import:         from AS174 accept ANY
import:         from AS196881 accept ANY
export:         to AS174 announce AS203258
export:         to AS196881 announce AS203258
admin-c:        jus9702-ripe
tech-c:         jus9702-ripe
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         mnt-ucns
created:        2016-03-08T11:29:34Z
last-modified:  2025-06-30T12:48:11Z
source:         RIPE

organisation:   ORG-UL52-RIPE
org-name:       UCNS Limited
country:        GB
reg-nr:         06235680
org-type:       LIR
address:        Gillette Studios
                101 Syon Lane
address:        TW7 5LW
address:        Isleworth
address:        UNITED KINGDOM
phone:          +442037739702
abuse-c:        AC28967-RIPE
admin-c:        jus9702-ripe
admin-c:        sjo9702-ripe
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        mnt-ucns
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-UCNS
descr:          UCNS Limited
tech-c:         jus9702-ripe
created:        2010-03-01T16:07:29Z
last-modified:  2026-05-13T07:33:03Z
source:         RIPE # Filtered

person:         Justin Owen
address:        Gillette Studios, 101 Syon Lane, Middlesex, TW7 5LW
org:            ORG-UL52-RIPE
phone:          +44 203 773 9702
nic-hdl:        jus9702-ripe
mnt-by:         MNT-UCNS
created:        2017-07-17T13:50:43Z
last-modified:  2023-08-31T16:38:07Z
source:         RIPE # Filtered