Robtex

Up: 216.171.64.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 216.171.64.0/21
Down right: 216.171.72.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.171.66.82	A	ns2.tommexico.com
216.171.66.158	A	www.tadwid.com
216.171.66.186	A	natureswayfarms.com
216.171.66.186	A	smtp.natureswayfarms.com
216.171.67.2	A+PTR	ns02.nogalesinternet.com
216.171.67.2	A	nsni02.icondns.com
216.171.67.2	A	dns2.p01.icondns.com
216.171.67.3	PTR	ns01.nogalesinternet.com
216.171.67.195	A	mail.rapidbeam.com
216.171.67.196	A	barracuda.rapidbeam.com
216.171.67.197	A	www.rapidbeam.com
216.171.68.10	A	mzcomputer.net
216.171.68.10	A	ribacoesquiwarehouse.net
216.171.68.134	A	cefasttrak.com
216.171.68.134	A	michvalenzuela.com
216.171.71.5	PTR	sk.s5.ans1.ns148.ztomy.com
216.171.71.201	A	mohnet.com
216.171.72.18	PTR	216-171-72-18.transtelco.net
216.171.72.83	PTR	216-171-72-83.transtelco.net
216.171.72.113	PTR	216-171-72-113.transtelco.net
216.171.73.162	A	mail.nbtcompanies.com
216.171.73.162	A	mail.nbtcompanies.net
216.171.73.162	A	nbtcompanies.net
216.171.74.18	A	quandaryentertainment.com
216.171.75.146	A+PTR	cymexchange.cyoptics.com
216.171.75.210	PTR	216-171-75-210.transtelco.net
216.171.76.6	A	ns3.xcnetworks.com
216.171.76.50	A+PTR	www.didigital.com
216.171.76.53	A	mail.didigital.com
216.171.76.61	A	mail1.didigital.com
216.171.77.2	PTR	216-171-77-2.transtelco.net
216.171.77.28	A	mail.bbbmex.com
216.171.77.32	PTR	xc_32-77-171.216.xcnetworks.com
216.171.77.66	A+PTR	ns2.xcnetworks.com
216.171.77.66	A	dns2.xcnetworks.com
216.171.77.83	A	mail.allenindustrialsupply.com
216.171.77.241	PTR	216-171-77-241.transtelco.net
216.171.78.193	PTR	216-171-78-193.transtelco.net
216.171.79.248	PTR	sk.s5.ans1.ns148.ztomy.com