Robtex

Up: 208.56.52.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 208.56.52.0/25
Down right: 208.56.52.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
208.56.52.9	A+PTR	navosha.com
208.56.52.9	A	mail.navosha.com
208.56.52.38	A+PTR	niginsurance.com
208.56.52.38	A	mail.niginsurance.com
208.56.52.131	PTR	christocentric.com
208.56.52.158	A+PTR	cpps.com.hk
208.56.52.159	PTR	208-56-52-159.navisite.net
208.56.52.160	PTR	sonikhk.com
208.56.52.165	A+PTR	zimaknives.com
208.56.52.165	A	mail.zimaknives.com
208.56.52.171	PTR	reselltoday.com
208.56.52.171	A	mail.hv-rt.com
208.56.52.171	A	www.hv-rt.com
208.56.52.175	PTR	ns.thundercade.com
208.56.52.195	PTR	208-56-52-195.navisite.net
208.56.52.204	A+PTR	ns2.jms-internet.com
208.56.52.204	A	mail.ns2.jms-internet.com
208.56.52.224	PTR	plazart.com
208.56.52.253	PTR	touchedbyhim.org