Robtex

Up: 213.52.128.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 213.52.132.0/23
Down right: 213.52.134.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
213.52.132.3	PTR	www.educationcity.net
213.52.132.10	A	mail.educationcity.net
213.52.132.11	A	mail2.educationcity.net
213.52.132.11	A	web2.educationcity.net
213.52.132.12	A	mail3.educationcity.net
213.52.132.14	PTR	web5.educationcity.net
213.52.132.29	PTR	www.educationcity.co.uk
213.52.132.30	PTR	www.educationcity.com
213.52.132.42	A	www.espares.co.uk
213.52.132.42	A	espares.co.uk
213.52.132.45	A	scalexpic.espares.co.uk
213.52.132.57	A	www.espares.ie
213.52.132.57	A	espares.ie
213.52.132.68	A	ubswr1.com
213.52.132.196	A+PTR	mail1.lon7.telecity.net
213.52.133.75	PTR	213-52-133-75
213.52.133.76	PTR	213-52-133-76
213.52.133.98	A	mail1.ixaris.com
213.52.133.228	A+PTR	smtp.yougov.com
213.52.133.229	A+PTR	mail.yougov.com
213.52.133.235	PTR	email1.yougov.com
213.52.133.237	A+PTR	dns01.yougov.net
213.52.133.237	A	dns01.psychonomics.de
213.52.133.237	A	dns01b.yougov.net
213.52.133.238	PTR	dns02.yougov.net
213.52.133.241	A	coproducer.us
213.52.133.241	A	labs.yougov.co.uk
213.52.133.241	A	www.yougov.co.uk
213.52.133.244	A	www.yougovsiraj.com
213.52.133.244	A	yougovspecialprojects.com
213.52.133.244	A	brandindexme.com
213.52.133.249	A	s-marktdatenbank.de
213.52.133.250	A	s-online-datenpool.de
213.52.133.251	A	theoriginpanel.co.uk
213.52.133.253	A	yougovmena.com
213.52.133.253	A	ap.yougov.com
213.52.133.253	A	mena.yougov.com
213.52.134.10	PTR	mail.datatherapy.com
213.52.134.11	A	filter.datatherapy.com
213.52.134.12	A	platopus.fr
213.52.134.12	A	fitzroyexecutive.co.uk
213.52.134.12	A	chesterwoodllp.com
213.52.134.20	PTR	dns1.mactherapy.co.uk
213.52.134.20	A	dns1.datatherapy.net
213.52.134.102	PTR	lon-db-01.virads.com
213.52.134.108	PTR	lon-sdb-02.virads.com
213.52.134.110	PTR	lon-web-01.virads.com
213.52.134.110	A	lonweb1.virads.com
213.52.134.112	PTR	lon-web-02.virads.com
213.52.134.114	PTR	lon-app-01.virads.com
213.52.134.126	A	freakstunts.com
213.52.134.126	A	www.spannerleague.com
213.52.134.126	A	spannerleague.com
213.52.134.133	PTR	www.firebox.com
213.52.134.133	A	materialismapp.com
213.52.134.133	A	unlimiteddistribution.com
213.52.134.135	PTR	media.firebox.com
213.52.134.137	A+PTR	asterix.firebox.com
213.52.134.138	A	obelix.firebox.com
213.52.134.139	PTR	extranet.firebox.com
213.52.134.216	A+PTR	scn002gb.cls-services.com
213.52.135.54	A	mailserver5.konetic.net
213.52.135.56	A	mailserver6.konetic.net
213.52.135.129	A	remote.cls-group.com
213.52.135.130	A	ns1.cls-group.com