AS209237 NPL Management LTD 🇬🇧 GB

Announcing 4 prefixes, seen at the RIS collectors.

IPv4 prefixes

131,584 (514 × /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: AS209237
Name: NPL Management LTD
Organisation: NPL Management LTD
Country: 🇬🇧 GB
RIR: RIPENCC
Allocated: 2019-03-13

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

0 valid (0.0%) 0 invalid (0.0%) 4 no ROA (100.0%)

Whois

Fetched from whois.ripe.net

as-block:       AS208885 - AS214345
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:        2026-07-13T14:17:33Z
last-modified:  2026-07-13T14:17:33Z
source:         RIPE

aut-num:        AS209237
as-name:        NPL-MANG-LTD
org:            ORG-NPL11-RIPE
import:         from AS25180 accept ANY
export:         to AS25180 announce AS209237
import:         from AS786 accept ANY
export:         to AS786 announce AS209237
admin-c:        NPL13-RIPE
admin-c:        DG13162-RIPE
tech-c:         NPL13-RIPE
tech-c:         DG13162-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         JANET-HOSTMASTER
created:        2019-03-13T14:53:45Z
last-modified:  2022-08-04T10:12:41Z
source:         RIPE
sponsoring-org: ORG-UA23-RIPE

organisation:   ORG-NPL11-RIPE
org-name:       NPL Management LTD
country:        GB
reg-nr:         02937881
org-type:       OTHER
address:        National Physical Laboratory
address:        Hampton Road
address:        Teddington
address:        Middlesex
address:        TW11 0LW
address:        United Kingdom
phone:          +44 208 943 6000
admin-c:        DG13162-RIPE
admin-c:        NPL13-RIPE
tech-c:         DG13162-RIPE
tech-c:         NPL13-RIPE
abuse-c:        NPLA2-RIPE
mnt-ref:        JANET-HOSTMASTER
mnt-by:         JANET-HOSTMASTER
mnt-by:         JIPS-NOSC
created:        2019-03-11T12:30:26Z
last-modified:  2026-05-13T05:25:35Z
source:         RIPE # Filtered

role:           NPL Network Manager
address:        NPL Management LTD
address:        National Physical Laboratory
address:        Hampton Road
address:        Teddington
address:        Middlesex
address:        TW11 0LW
address:        United Kingdom
phone:          +44 208 943 6000
nic-hdl:        NPL13-RIPE
mnt-by:         JANET-HOSTMASTER
mnt-by:         JIPS-NOSC
created:        2019-03-11T11:58:03Z
last-modified:  2019-03-11T12:05:25Z
source:         RIPE # Filtered

person:         Daniel Galbraith
address:        National Physical Laboratory
address:        Hampton Road
address:        Teddington
address:        Middlesex
address:        TW11 0LW
address:        GB
phone:          +44 2089437016
nic-hdl:        DG13162-RIPE
mnt-by:         JANET-HOSTMASTER
created:        2022-08-04T09:40:29Z
last-modified:  2022-08-04T09:40:29Z
source:         RIPE # Filtered