AS Name Org Name IPv4Prefixes IPv6Prefixes IPv4 NUMs IPv6 NUMs(/64) Registry Region Looking Glass
OPTINET Optinet U.K. Limited 4 1 4,096 34,359,738,368 United Kingdom
4,096 IPv4 Addresses
CIDR Description IP Num
5.253.252.0/22 Optinet U.K. Limited 1024
185.179.120.0/22 Focus Learning Trust 1024
185.183.20.0/22 Optinet U.K. Limited 1024
185.253.176.0/22 OPTINET U.K. NETWORKS LIMITED 1024
CIDR Description IP NUMs(prefix /64)
2a0b:180::/29 Optinet U.K. Limited 34359738368
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS174 COGENT-174 - Cogent Communications, US United States 27,903,232 318,417,272,832 IPv4 IPv4
AS3257 GTT-BACKBONE GTT, DE Germany 2,233,892 223,339,020,288 IPv4 IPv4
IP Address Domain NUMs Domains
5.253.252.243 1 cam1.saltash.cornwall.sch.uk
5.253.253.101 1 remote.homehouse.co.uk
5.253.253.113 1 remote.avon-dynamic.co.uk
as-block:       AS42383 - AS45055
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:        2018-11-22T15:27:34Z
last-modified:  2018-11-22T15:27:34Z
source:         RIPE



aut-num:        AS43872
as-name:        OPTINET
org:            ORG-OUL4-RIPE
import:         from AS174 accept ANY
export:         to AS174 announce AS43872
import:         from AS43234 accept ANY
export:         to AS43234 announce AS43872
admin-c:        SP16055-RIPE
tech-c:         SP16055-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         uk-optinet-1-mnt
created:        2016-12-20T14:17:07Z
last-modified:  2018-09-04T11:55:52Z
source:         RIPE

organisation:   ORG-OUL4-RIPE
org-name:       Optinet U.K. Limited
org-type:       LIR
address:        Skyline Plaza, Victoria Avenue Southend
address:        SS2 6BB
address:        Essex
address:        UNITED KINGDOM
admin-c:        SP16055-RIPE
tech-c:         SP16055-RIPE
abuse-c:        AR38717-RIPE
mnt-ref:        uk-optinet-1-mnt
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         uk-optinet-1-mnt
created:        2016-12-19T14:53:59Z
last-modified:  2018-11-13T13:57:08Z
source:         RIPE # Filtered
phone:          +442033193701

person:         Sean Pearman
address:        Skyline Plaza
address:        45 Victoria Avenue
address:        Southend
address:        Essex
phone:          +44(0)2033193701
nic-hdl:        SP16055-RIPE
mnt-by:         uk-optinet-1-mnt
created:        2016-12-19T14:53:59Z
last-modified:  2019-03-11T14:30:26Z
source:         RIPE