Robtex

Up: 213.210.48.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 213.210.48.0/23
Down right: 213.210.50.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
213.210.48.2	PTR	mx2.edgetelecom.net.uk
213.210.48.2	A	mx2.edgetelecom.co.uk
213.210.48.2	A	relay-2.mail.inweb.net.uk
213.210.48.20	PTR	mail2.netpresto.co.uk
213.210.48.21	A	relay3.net-work.net
213.210.48.129	A+PTR	mx3.edgetelecom.net.uk
213.210.48.129	A	relay-3.mail.inweb.co.uk
213.210.48.129	A	relay-3.mail.inweb.net.uk
213.210.49.2	A+PTR	dns1.inweb.co.uk
213.210.49.2	A	dns1.smartbunker.co.uk
213.210.49.2	A	dns1.edgetelecom.net.uk
213.210.49.3	A	sphere.inweb.co.uk
213.210.49.20	PTR	dns1.netpresto.co.uk
213.210.49.22	PTR	dns.inweb.co.uk
213.210.49.25	PTR	dns.inweb.co.uk
213.210.50.179	A	em2k.co.uk
213.210.50.226	A	extmail.schofieldbritten.co.uk
213.210.51.6	PTR	webforwarding.edgetelecom.co.uk
213.210.51.6	A	dial00.net
213.210.51.6	A	managementlearningresources.co.uk
213.210.51.8	A	www.condoms.co.uk
213.210.51.21	A	aapills.com
213.210.51.21	A	lifestyle-treatments.com
213.210.51.21	A	lifestyletreatments.com
213.210.51.37	A	rozhulse.com
213.210.51.45	A+PTR	www.ipi-group.co.uk
213.210.51.45	A	cccs.ipi-group.co.uk
213.210.51.45	A	21.cccs.ipi-group.co.uk
213.210.51.48	A	five-elementacupuncture.co.uk
213.210.51.49	A	stirlingtraining.co.uk
213.210.51.51	A	vettlc.com
213.210.51.51	A	ipswichvetcentre.com
213.210.51.55	A	badcreditonlineloans.co.uk
213.210.51.55	A	ukloans2go.co.uk
213.210.51.244	A	philliph.co.uk
213.210.51.244	A	www.chalet-du-lac.com
213.210.51.244	A	www.brc-reinforcement.co.uk
213.210.51.248	A	qvs.co.uk
213.210.51.248	A	ryangeorgeco.com
213.210.51.248	A	www.ryangeorgeco.com
213.210.51.249	A	petfocus.com
213.210.51.252	A	jtl-monitoring-centre.co.uk
213.210.51.252	A	atveterinarysystems.com
213.210.51.252	A	parkhousevets.com