Robtex

Up: 77.241.160.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 77.241.176.0/21
Down right: 77.241.184.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
77.241.176.147	A+PTR	176-147.dsl.data.net.uk
77.241.177.2	A+PTR	ns3.data.net.uk
77.241.177.16	PTR	177-16.dsl.data.net.uk
77.241.177.37	A	177-37.dsl.data.net.uk
77.241.177.45	A	bka.co.uk
77.241.177.47	A	yellogen.com
77.241.177.49	PTR	177-49.dsl.data.net.uk
77.241.177.112	PTR	carley.co
77.241.177.164	A	177-164.dsl.data.net.uk
77.241.179.65	A	www.murja-software.com
77.241.179.65	A	mmex.co
77.241.179.66	A	mx.murja-innovations.com
77.241.179.136	A+PTR	post.measuremyenergy.com
77.241.179.248	A	remote.wearehere.net
77.241.179.248	A	ns1.wearehere.net
77.241.179.251	A	ns3.measuremygroup.com
77.241.179.251	A	ns1.measuremygroup.com
77.241.180.4	PTR	180-4.ahf.data.net.uk
77.241.180.6	A	mail.lsharch.co.uk
77.241.180.14	A	mail2.lsharch.co.uk
77.241.180.18	PTR	180-18.ahf.data.net.uk
77.241.180.34	PTR	180-34.ahf.data.net.uk
77.241.180.35	PTR	180-35.ahf.data.net.uk
77.241.180.48	PTR	180-48.ahf.data.net.uk
77.241.180.65	PTR	180-65.ahf.data.net.uk
77.241.180.66	PTR	180-66.ahf.data.net.uk
77.241.180.66	A	mail.sourcingcity.com
77.241.180.66	A	mail.sourcingcity.co.uk
77.241.180.97	PTR	180-97.ahf.data.net.uk
77.241.180.112	PTR	180-112.ahf.data.net.uk
77.241.180.115	PTR	180-115.ahf.data.net.uk
77.241.180.129	PTR	180-129.ahf.data.net.uk
77.241.180.194	PTR	180-194.ahf.data.net.uk
77.241.180.195	PTR	180-195.ahf.data.net.uk
77.241.180.227	PTR	180-227.ahf.data.net.uk
77.241.180.233	A	mgw.khipu-networks.com
77.241.180.237	A	mailgw.khipu-networks.com
77.241.180.241	PTR	180-241.ahf.data.net.uk
77.241.180.243	PTR	180-243.ahf.data.net.uk
77.241.181.133	PTR	mail.redcafe.net
77.241.181.133	A	damazein.com
77.241.181.133	A	cu.globalgroup.com
77.241.181.152	A	pipsecuredev.co.uk