Robtex

Up: 212.42.18.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 212.42.18.0/25
Down right: 212.42.18.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.42.18.27	A+PTR	mail1.scheidt-bachmannuk.com
212.42.18.50	A	mail.lowdhams.com
212.42.18.50	A	mail.lowdhamleisureworld.net
212.42.18.50	A	satinarsystem.net
212.42.18.98	PTR	activesync.cellclear.com
212.42.18.100	A	mail.obsidiantelecoms.com
212.42.18.102	PTR	activesync.cellclear.com
212.42.18.114	PTR	ns.ldcwebhost1.co.uk
212.42.18.114	A	mail.learnerdriving.net
212.42.18.114	A	ns.ldcdrivingschools.com
212.42.18.115	PTR	ns.ldcwebhost2.co.uk
212.42.18.115	A	passingwithsteve.co.uk
212.42.18.115	A	passwithcaroline.co.uk
212.42.18.116	A+PTR	ns.ldcwebhost4.co.uk
212.42.18.116	A	mail.ldcwebhost1.co.uk
212.42.18.116	A	ldcwebhost1.co.uk
212.42.18.117	A+PTR	ns.ldcwebhost3.co.uk
212.42.18.117	A	ldctestadam.co.uk
212.42.18.117	A	mail.ldcwebhost3.co.uk
212.42.18.118	A	barracuda.learnersonline.co.uk
212.42.18.118	A	barracuda.mikebedford.co.uk
212.42.18.118	A	barracuda.learnerdriving.net
212.42.18.119	A	ns.theory-test-online.co.uk
212.42.18.119	A	mail.theory-test-online.co.uk
212.42.18.119	A	theory-test-online.co.uk
212.42.18.120	A+PTR	ldcwebhost9.co.uk
212.42.18.120	A	ldctestadam.co.uk
212.42.18.120	A	ns.theory-test-online.com
212.42.18.122	PTR	ldcwebhost13.co.uk
212.42.18.122	A	lessonswithjohn.co.uk
212.42.18.122	A	ns1.tuitionwithpaul.co.uk
212.42.18.124	PTR	ldcwebhost14.co.uk
212.42.18.124	A	mail.learnerdriving.net
212.42.18.124	A	lessonswithkevin.co.uk
212.42.18.125	PTR	ns.ldcwebhost8.co.uk
212.42.18.125	A	ldcwebhost8.co.uk
212.42.18.125	A	ldcdownloads.co.uk
212.42.18.186	PTR	ns.ldcwebhost5.co.uk
212.42.18.186	A	passingwithsteve.co.uk
212.42.18.186	A	passwithcaroline.co.uk
212.42.18.187	PTR	ns.ldcwebhost6.co.uk
212.42.18.187	A	theory-test-online.com
212.42.18.187	A	mail.ldcwebhost6.co.uk
212.42.18.188	A+PTR	ns.ldcwebhost7.co.uk
212.42.18.188	A	mail.ldcwebhost7.co.uk
212.42.18.188	A	ldcwebhost7.co.uk
212.42.18.189	A	mail.learningonthemove.com
212.42.18.189	A	learningonthemove.com
212.42.18.189	A	ns.learningonthemove.com