Robtex

Up: 212.15.64.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 212.15.64.0/21
Down right: 212.15.72.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.15.64.1	A	csi-core.csi.net.uk
212.15.64.2	A	access-1.csi.net.uk
212.15.64.3	A	access-2.csi.net.uk
212.15.64.4	A	csi-core2.csi.net.uk
212.15.64.10	A	relay2.netlink.info
212.15.64.10	A	relay2.nslnet.net
212.15.64.21	A	ns0.csi.net.uk
212.15.64.22	A	ns1.csi.net.uk
212.15.64.23	A	ns0.nslnet.net
212.15.64.23	A	ns0.netlink.uk.com
212.15.64.25	A	barron.tv
212.15.64.39	A	www.ecs-assess.org.uk
212.15.64.39	A	www.ecs-assess.co.uk
212.15.64.40	A	serverblades.biz
212.15.64.40	A	serverblade.co.uk
212.15.64.48	A+PTR	websvr3.netlink.info
212.15.64.48	A	smtpavx.netlink.info
212.15.64.53	A	mail.theritzclublondon.com
212.15.64.53	A	mail.ritzclublondon.com
212.15.64.62	A	mail-cluster.netlink.info
212.15.64.67	PTR	free-one-day
212.15.64.70	A	enterprise.nslnet.net
212.15.64.71	A	mailserver2.netlink.info
212.15.64.71	A	netlink-ms.netlink.info
212.15.64.80	A	1-iolan.csi.net.uk
212.15.64.81	A	2-iolan.csi.net.uk
212.15.64.83	PTR	ns0.portland.co.uk
212.15.64.83	A	barron.tv
212.15.64.88	A	vid.netlink.info
212.15.64.122	A	bladeserver.co.uk
212.15.64.122	A	bladeservers.info
212.15.64.122	A	bladeservers.co.uk
212.15.64.130	A	integrity.csi.net.uk
212.15.64.149	A	3-iolan.csi.net.uk
212.15.64.156	A	4-iolan.csi.net.uk
212.15.64.157	A	5-iolan.csi.net.uk
212.15.64.158	A	6-iolan.csi.net.uk
212.15.64.164	A	atlantic.nslnet.net
212.15.64.164	A	mail2.nslnet.net
212.15.64.164	A	relay2.netlink.info
212.15.64.195	PTR	ip195
212.15.64.200	A	rightcoutts.com
212.15.64.210	PTR	ip210
212.15.64.220	A	mail.bnd2pls.com
212.15.64.223	A	trc.netlink.info
212.15.64.223	A	exchange.netlink.info
212.15.64.224	A+PTR	bmsiii.nslnet.net
212.15.64.224	A	mail-cluster.netlink.info
212.15.64.224	A	mail-cluster03.intrascape.com
212.15.64.226	PTR	ip226
212.15.64.240	PTR	netlink
212.15.64.241	PTR	netlink
212.15.64.242	PTR	netlink
212.15.64.243	PTR	netlink
212.15.64.249	A	edge.netlink.info
212.15.64.250	A	mail-cluster.netlink.info
212.15.64.250	A	bms.nslnet.net
212.15.64.250	A	smtpavxii.netlink.info
212.15.65.46	PTR	mail.automobilimattarollo.it
212.15.70.4	PTR	reservedt.nslnet.net
212.15.70.34	A	onlyleads.com
212.15.70.35	PTR	reservedt.nslnet.net
212.15.70.35	A	onlyloans.com
212.15.70.35	A	www.onlyloans.com
212.15.70.51	PTR	reservedt.nslnet.net
212.15.70.54	A	coveredcompare.com
212.15.70.67	PTR	reservedt.nslnet.net
212.15.70.82	PTR	reservedt.nslnet.net
212.15.70.96	PTR	reservedt.nslnet.net
212.15.70.97	PTR	reservedt.nslnet.net
212.15.70.128	PTR	reservedt.nslnet.net
212.15.70.144	PTR	reservedt.nslnet.net
212.15.70.147	PTR	reservedt.nslnet.net
212.15.70.161	PTR	reservedt.nslnet.net
212.15.70.210	PTR	reservedt.nslnet.net
212.15.70.211	PTR	reservedt.nslnet.net
212.15.70.226	PTR	reservedt.nslnet.net
212.15.70.240	PTR	reservedt.nslnet.net
212.15.73.16	PTR	ip16
212.15.73.18	PTR	ip18
212.15.73.19	PTR	ip19
212.15.73.32	PTR	ip32
212.15.73.33	PTR	ip33
212.15.73.48	PTR	ip48
212.15.73.49	PTR	ip49
212.15.73.51	PTR	ip51
212.15.73.64	PTR	ip64
212.15.73.65	PTR	ip65
212.15.73.66	PTR	ip66
212.15.73.67	PTR	ip67
212.15.73.80	PTR	ip80
212.15.73.81	PTR	ip81
212.15.73.96	PTR	ip96
212.15.73.99	PTR	ip99
212.15.73.115	PTR	ip115
212.15.73.144	PTR	ip144
212.15.73.146	PTR	ip146
212.15.73.161	PTR	ip161
212.15.73.162	PTR	ip162
212.15.73.163	PTR	ip163
212.15.73.177	PTR	ip177
212.15.73.179	PTR	ip179
212.15.73.194	PTR	ip194
212.15.73.195	PTR	ip195
212.15.73.208	PTR	ip208
212.15.73.210	PTR	ip210
212.15.73.211	PTR	ip211
212.15.73.224	PTR	ip224
212.15.73.225	PTR	ip225
212.15.73.226	PTR	ip226
212.15.73.243	PTR	ip243
212.15.75.16	PTR	reserved.nslnet.net
212.15.75.34	PTR	reserved.pixelimaging.com
212.15.75.35	PTR	reserved.pixelimaging.com
212.15.75.64	PTR	reserved.pixelimaging.com
212.15.75.115	PTR	www.vcars.co.uk
212.15.75.178	PTR	ip178.pixelimaging.com
212.15.75.192	PTR	ip192.pixelimaging.com
212.15.75.193	PTR	ip193.pixelimaging.com
212.15.75.224	PTR	reserved.nslnet.net
212.15.75.226	PTR	reserved.nslnet.net.75.15.212.in-addr.arpa
212.15.75.238	A	sulka.ch
212.15.75.238	A	sulka.co.uk
212.15.75.238	A	ratemybank.com
212.15.75.245	A	outineuro.com
212.15.75.245	A	purdey.net
212.15.75.248	A	www.sulka.com
212.15.75.248	A	sulka.com