AS Number
AS201126
AS Name
CDW-UK-AS
Org Name
CDW Ltd
Registry

ripe

RegDate

Updated

2026-06-17T08:25:01Z

AS201126 Looking Glass
IPv4Prefixes

12

IPv6Prefixes

0

IPv4 NUMs

4,096

IPv6 NUMs(/64)

0

4,096 IPv4 Addresses
CIDR Description IP Num
91.240.17.0/24
IRR Valid
CDW Ltd 256
153.92.43.0/24
IRR Valid
CDW Ltd 256
153.92.44.0/24
IRR Valid
CDW Ltd 256
153.92.45.0/24
IRR Valid
CDW Ltd 256
153.92.46.0/24
IRR Valid
CDW Ltd 256
157.97.128.0/22
IRR Valid
CDW Ltd 1024
185.74.25.0/24
IRR Valid
CDW Ltd 256
185.74.26.0/24
IRR Valid
CDW Ltd 256
185.74.27.0/24
IRR Valid
CDW Ltd 256
185.176.242.0/23
MSX International Ltd 512
188.116.54.0/24
IRR Valid
CDW Ltd 256
194.105.149.0/24
IRR Valid
CDW Ltd 256
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS174 COGENT-174 - Cogent Communications, LLC, US United States 36,260,352 215,834,755,073 IPv4 IPv4
AS1239 COGENT-1239 - Cogent Communications, LLC, US United States 0 210,733,760,512 IPv4 IPv4
AS3257 GTT-BACKBONE - GTT Communications Inc., US United States 8,574,720 438,087,778,304 IPv4 IPv4
AS6461 ZAYO-6461 - Zayo Bandwidth, US United States 1,747,200 51,808,436,224 IPv4 IPv4
as-block:       AS200537 - AS202347
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:        2026-06-17T08:25:01Z
last-modified:  2026-06-17T08:25:01Z
source:         RIPE



aut-num:        AS201126
descr:          CDW UK - Cloud Services
as-name:        CDW-UK-AS
org:            ORG-KL129-RIPE
import:         from AS5089 accept ANY
export:         to AS5089 announce AS201126
import:         from AS50173 accept ANY
export:         to AS50173 announce AS201126
import:         from AS6939 accept AS6939
export:         to AS6939 announce AS201126
import:         from AS714 accept AS714
export:         to AS714 announce AS201126
import:         from AS8075 accept AS8075
export:         to AS8075 announce AS201126
import:         from AS6461 accept ANY
export:         to AS6461 announce AS201126
import:         from AS174 accept ANY
export:         to AS174 announce AS201126
admin-c:        TL6622-RIPE
tech-c:         TL6622-RIPE
status:         ASSIGNED
mnt-by:         TL-20221116-MNT
mnt-by:         RIPE-NCC-END-MNT
created:        2015-01-21T07:23:06Z
last-modified:  2022-12-23T13:54:36Z
source:         RIPE

organisation:   ORG-KL129-RIPE
org-name:       CDW Ltd
country:        GB
reg-nr:         02465350
org-type:       LIR
address:        1 NEW CHANGE
                3RD FLOOR
address:        EC4M 9AF
address:        London
address:        UNITED KINGDOM
phone:          +442077916000
fax-no:         +442077916200
e-mail:         nocnetworks@uk.cdw.com
abuse-c:        AR17749-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        TL-20221116-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         TL-20221116-MNT
created:        2013-05-10T13:52:28Z
last-modified:  2026-05-13T07:34:44Z
source:         RIPE

person:         Tony Lawrence
address:        1 Cyrus Way, Hampton, Peterborough PE7 8HP
phone:          +447384 833209
nic-hdl:        TL6622-RIPE
mnt-by:         TL-20221116-MNT
created:        2022-11-16T17:17:25Z
last-modified:  2022-11-16T17:17:25Z
source:         RIPE