Robtex

Up: 185.64.208.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 185.64.208.0/22
Down right: 185.64.212.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
185.64.213.13	PTR	intermedia.co.uk
185.64.213.32	A+PTR	hub500-lo-1.exch500.serverdata.net
185.64.213.33	A	hub500-lo-2.exch500.serverdata.net
185.64.213.35	A	hub500-lo-4.exch500.serverdata.net
185.64.213.36	A+PTR	hub500-lo-5.exch500.serverdata.net
185.64.213.42	PTR	mail500-1.exch500.serverdata.net
185.64.213.42	A	mail.forsythwebsper.com
185.64.213.57	PTR	intermedia.co.uk
185.64.213.57	A	mx1.site2.smtp.exch500.serverdata.net
185.64.213.57	A	mx2.site2.smtp.exch500.serverdata.net
185.64.213.60	PTR	intermedia.co.uk
185.64.213.60	A	mail-in-2.geneva-airport-transfers.com
185.64.213.61	PTR	site2.smtp.exch500.serverdata.net
185.64.213.62	A+PTR	site2.exch500.serverdata.net
185.64.213.62	A	exch500.serverdata.net
185.64.213.112	A+PTR	mail580-1.exch580.serverdata.net
185.64.213.112	A	gridlocknet.com
185.64.213.117	PTR	intermedia.co.uk
185.64.213.117	A	mx4.smtp.exch580.serverdata.net
185.64.213.117	A	mx1.smtp.exch580.serverdata.net
185.64.213.123	A+PTR	ar-site1.exch580.serverdata.net
185.64.213.123	A	mail.francesking.ie
185.64.213.123	A	autodiscover.site1.exch580.serverdata.net
185.64.213.124	PTR	site1.exch580.serverdata.net
185.64.213.124	A	exch580.serverdata.net
185.64.213.125	PTR	site1.smtp.exch580.serverdata.net
185.64.213.134	PTR	lyncfe580-lo-1.exch580.serverdata.net
185.64.213.193	PTR	intermedia.co.uk
185.64.213.193	A	pexch119.serverdata.net
185.64.213.212	A	smtp.mx.pexch118.serverdata.net
185.64.213.245	PTR	intermedia.co.uk
185.64.213.245	A	urlrs.gslb.serverdata.net
185.64.214.44	PTR	intermedia.co.uk
185.64.214.44	A	am-fs-lo-06.anymeeting.com
185.64.214.45	PTR	intermedia.co.uk
185.64.214.45	A	am-fs-lo-07.anymeeting.com
185.64.214.59	A+PTR	mtg-lo-3.anymeeting.com
185.64.214.60	A+PTR	mtg-lo-4.anymeeting.com
185.64.214.61	A+PTR	mtg-lo-1.anymeeting.com
185.64.214.62	A+PTR	mtg-lo-2.anymeeting.com
185.64.214.64	PTR	intermedia.co.uk
185.64.214.64	A	autodiscover.uk.exch500.serverdata.net
185.64.214.65	A	site2.exch500.serverdata.net
185.64.214.65	A	exch500.serverdata.net