Robtex

Up: 216.131.72.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 216.131.72.0/24
Down right: 216.131.73.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.131.72.35	PTR	35.72.131.216.client.dyn.strong-sf17.reliablehosting.com
216.131.72.35	A	clearasglass.com
216.131.72.55	PTR	55.72.131.216.client.dyn.strong-sf17.reliablehosting.com
216.131.72.63	PTR	63.72.131.216.client.dyn.strong-sf17.reliablehosting.com
216.131.72.104	PTR	104.72.131.216.shared.ex6.reliablehosting.com
216.131.72.104	A	dc-6aabd213.omaggigratis.net
216.131.72.104	A	sitointerneteconomico.com
216.131.72.110	A	haywardfinancialinc.com
216.131.72.111	PTR	111.72.131.216.shared.ex6.reliablehosting.com
216.131.72.121	PTR	121.72.131.216.shared.ex6.reliablehosting.com
216.131.72.121	A	soulbid.co.uk
216.131.72.121	A	goinnovate.com
216.131.72.122	A	allgoodvape.com
216.131.72.124	PTR	124.72.131.216.shared.ex6.reliablehosting.com
216.131.72.124	A	mondotecno.com
216.131.72.125	A	shanghaisusan.com
216.131.72.155	PTR	155.72.131.216.client.static.strong14.reliablehosting.com
216.131.72.199	PTR	199.72.131.216.client.static.strong14.reliablehosting.com
216.131.72.199	A	mail.eterna.net
216.131.72.199	A	eterna.net
216.131.73.22	PTR	22.73.131.216.client.dyn.strong-sf17.reliablehosting.com
216.131.73.38	PTR	38.73.131.216.client.dyn.strong-sf17.reliablehosting.com
216.131.73.38	A	smittytek.com
216.131.73.52	PTR	52.73.131.216.client.dyn.strong-sf17.reliablehosting.com
216.131.73.55	PTR	55.73.131.216.client.dyn.strong-sf17.reliablehosting.com
216.131.73.55	A	creit.com
216.131.73.55	A	www.creit.com
216.131.73.63	PTR	63.73.131.216.client.dyn.strong-sf17.reliablehosting.com
216.131.73.76	PTR	76.73.131.216.client.static.strong14.reliablehosting.com
216.131.73.159	PTR	159.73.131.216.client.dyn.strong-sf1.reliablehosting.com
216.131.73.250	PTR	250.73.131.216.client.dyn.strong-sf86.reliablehosting.com