AS205311 - Cambridge_Fibre_Networks - Cambridge Fibre Networks Ltd., GB

United Kingdom
AS Number
AS205311
AS Name
Cambridge_Fibre_Networks
Org Name
Cambridge Fibre Networks Ltd.
Country / Region
United Kingdom
Registry

ripe

RegDate

Updated

2026-03-05T15:29:31Z

AS205311 Looking Glass
IPv4Prefixes

2

IPv6Prefixes

1

IPv4 NUMs

1,280

IPv6 NUMs(/64)

34,359,738,368

CIDR Description IP Num
185.219.108.0/22
IRR InValid
Cambridge Fibre Networks Ltd. 1024
185.229.51.0/24
IRR InValid
Cambridge Fibre Networks Ltd. 256
CIDR Description IP NUMs(prefix /64)
2a0b:e540::/29
IRR InValid
Cambridge Fibre Networks Ltd. 34359738368
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS35826 NETSERVERS-AS - Netservers Limited, GB United Kingdom 12,288 38,654,705,664 IPv4 IPv4 IPv6 IPv6

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 AS205311

aut-num
as-name
Cambridge_Fibre_Networks
org
ORG-CFNL1-RIPE
import
from AS35826 accept ANY
from AS8330 accept AS-LONAP
export
to AS35826 announce AS205311
to AS8330 announce AS205311
admin-c
CFN7-RIPE
tech-c
CFN7-RIPE
status
ASSIGNED
mnt-by
RIPE-NCC-END-MNT
uk-cfn-1-mnt
created
2017-09-25T14:45:30Z
last-modified
2019-07-03T13:55:30Z
source
RIPE

organisation ORG-CFNL1-RIPE

organisation
ORG-CFNL1-RIPE
org-name
Cambridge Fibre Networks Ltd.
country
GB
reg-nr
10542520
org-type
LIR
address
21 Signet Court
CB5 8LA
Cambridge
UNITED KINGDOM
phone
+44 1223 800085
e-mail
admin-c
JM19237-RIPE
tech-c
JM19237-RIPE
abuse-c
AR42860-RIPE
mnt-ref
uk-cfn-1-mnt
mnt-by
RIPE-NCC-HM-MNT
uk-cfn-1-mnt
created
2017-08-31T09:09:55Z
last-modified
2026-05-13T07:09:14Z
source
RIPE

role CFN - Network Operations

role
CFN - Network Operations
address
21 Signet Court
Cambridge
CB5 8LA
United Kingdom
e-mail
nic-hdl
CFN7-RIPE
admin-c
BRSM2-RIPE
JM19237-RIPE
tech-c
BRSM2-RIPE
JM19237-RIPE
abuse-mailbox
mnt-by
uk-cfn-1-mnt
created
2017-09-22T15:49:09Z
last-modified
2017-09-22T15:49:09Z
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:        AS205311
as-name:        Cambridge_Fibre_Networks
org:            ORG-CFNL1-RIPE
import:         from AS35826 accept ANY
export:         to AS35826 announce AS205311
import:         from AS8330 accept AS-LONAP
export:         to AS8330 announce AS205311
admin-c:        CFN7-RIPE
tech-c:         CFN7-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         uk-cfn-1-mnt
created:        2017-09-25T14:45:30Z
last-modified:  2019-07-03T13:55:30Z
source:         RIPE

organisation:   ORG-CFNL1-RIPE
org-name:       Cambridge Fibre Networks Ltd.
country:        GB
reg-nr:         10542520
org-type:       LIR
address:        21 Signet Court
address:        CB5 8LA
address:        Cambridge
address:        UNITED KINGDOM
phone:          +44 1223 800085
e-mail:         [email protected]
admin-c:        JM19237-RIPE
tech-c:         JM19237-RIPE
abuse-c:        AR42860-RIPE
mnt-ref:        uk-cfn-1-mnt
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         uk-cfn-1-mnt
created:        2017-08-31T09:09:55Z
last-modified:  2026-05-13T07:09:14Z
source:         RIPE

role:           CFN - Network Operations
address:        21 Signet Court
address:        Cambridge
address:        CB5 8LA
address:        United Kingdom
e-mail:         [email protected]
nic-hdl:        CFN7-RIPE
admin-c:        BRSM2-RIPE
admin-c:        JM19237-RIPE
tech-c:         BRSM2-RIPE
tech-c:         JM19237-RIPE
abuse-mailbox:  [email protected]
mnt-by:         uk-cfn-1-mnt
created:        2017-09-22T15:49:09Z
last-modified:  2017-09-22T15:49:09Z
source:         RIPE