AS2856 British Telecommunications PLC

148.253.220.0/23

148.253.220.0/23 - defra

ID

defra

Description

Department for Environment, Food and Rural Affairs

ASN

AS2856 British Telecommunications PLC

Country

United Kingdom

Registry

ripe

Whois Details

inetnum:         148.253.220.0 - 148.253.223.255
netname:         defra
descr:           Department for Environment, Food and Rural Affairs
country:         GB
admin-c:         PT7583-RIPE
tech-c:          TR4665-RIPE
tech-c:          PT7583-RIPE
status:          LEGACY
mnt-by:          uk-defra-1-mnt
mnt-by:          BTNET-MNT
mnt-routes:      uk-defra-1-mnt
mnt-routes:      BTNET-MNT
created:         2015-10-05T09:21:58Z
last-modified:   2015-10-05T09:21:58Z
source:          RIPE

person:          Paul Tomlinson
address:         Rm 131, Foss House
address:         York
address:         YO1 7PX
address:         UNITED KINGDOM
phone:           +44 7798 678650
nic-hdl:         PT7583-RIPE
mnt-by:          uk-defra-1-mnt
created:         2015-09-18T14:43:18Z
last-modified:   2015-09-24T11:07:23Z
source:          RIPE

person:          Tim Richards
address:         IBM Farnborough, Meudon House
address:         Meudon Ave
address:         Farnborough
address:         GU14 7NB
phone:           +44 01252558280
nic-hdl:         TR4665-RIPE
mnt-by:          uk-defra-1-mnt
e-mail:          virus.alerts@defra.gsi.gov.uk
created:         2015-09-24T10:05:14Z
last-modified:   2015-09-24T11:31:24Z
source:          RIPE

IP Addresses in this range

Details

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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