RIPE handle the European IP addresses:

inetnum:      213.122.0.0 - 213.122.255.255
netname:      BT-IMSNET
descr:       BT-IMSNET
country:      GB
admin-c:      BS1474-RIPE
tech-c:       BS1474-RIPE
status:       ASSIGNED PA
remarks:      Please send abuse notification to abuse@btinternet.com
mnt-by:       BTNET-MNT
mnt-lower:    BTNET-MNT
mnt-routes:   BTNET-MNT
changed:      support@bt.net 20000711
changed:      preston.dialip@bt.com 20010523
changed:      preston.dialip@bt.com 20010628
changed:      preston.dialip@bt.com 20020907
source:       RIPE