Robtex

Up: 66.186.16.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 66.186.24.0/22
Down right: 66.186.28.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.186.24.1	A+PTR	ns1.paypc.com
66.186.24.2	PTR	paypc.com
66.186.24.2	A+PTR	mithrandir.paypc.com
66.186.24.2	A	mail.myguruguy.com
66.186.24.3	PTR	mail.seretny.com
66.186.24.4	PTR	mail.snowbirdsllc.com
66.186.24.10	PTR	numail.paypc.com
66.186.24.10	A	508rileystreet.com
66.186.24.10	A	www.508riley.com
66.186.24.11	PTR	mail.gainsboroughshardware.com
66.186.24.16	A+PTR	scalix.gslater.com
66.186.24.16	A	scalix.liti-gate.com
66.186.24.16	A	scalix.essoign.com
66.186.24.30	A	hollygate.paypc.com
66.186.24.36	A	www.debtdomain.org
66.186.24.36	A	debtdomain.org
66.186.24.40	A+PTR	db1.paypc.com
66.186.24.40	A+PTR	dbgate.paypc.com
66.186.24.43	A	mailpublish.debtdomain.org
66.186.24.60	A	azathoth.paypc.com
66.186.24.62	A	isengate.paypc.com
66.186.24.77	A	integral.ennui.org
66.186.24.94	A	charity.paypc.com
66.186.24.133	A	ns2.nc4.com
66.186.24.133	A	ns2.nc4.us
66.186.24.138	A	solutions.n-c4.net
66.186.24.138	A	solutions.failover.n-c4.net
66.186.24.141	A	solutions10.n-c4.net
66.186.24.142	A	reports.n-c4.net
66.186.24.144	A	mail5.n-c4.net
66.186.24.144	A	mail4.n-c4.net
66.186.24.149	A+PTR	mail3.n-c4.net
66.186.24.151	A	treasury.n-c4.net
66.186.24.162	A	www.ououa.com
66.186.24.180	A	n-c4.net
66.186.24.180	A	espgroup.com
66.186.24.180	A	eteam.com
66.186.25.5	PTR	ns1.dnsserver9.com
66.186.25.5	A	sel1.dnsserver9.com
66.186.25.6	PTR	ns4.dnsserver8.com
66.186.25.6	A	sr22autoinsuranceagency.com
66.186.25.6	A	herostand.com
66.186.25.11	PTR	cp168.mysite4now.com
66.186.25.11	A	*.howtopickanagent.com
66.186.25.11	A	www.mrfixithome.com
66.186.25.21	PTR	cp169.mysite4now.com
66.186.25.21	A	maltabusinesscentre.com
66.186.25.21	A	laduebaseball.com
66.186.25.31	PTR	cp170.mysite4now.com
66.186.25.31	A	robot.com.my
66.186.25.31	A	www.waeschemaus.de
66.186.25.41	PTR	cp171.mysite4now.com
66.186.25.41	A	cosmojournal.org
66.186.25.41	A	cricketclub.de
66.186.25.51	A	*.xtemail.net
66.186.25.51	A	xtemail.net
66.186.25.51	A	keeptakingthehappypills.com
66.186.25.61	PTR	cp173.mysite4now.com
66.186.25.61	A	*.atsurance.com
66.186.25.61	A	biognosis.net
66.186.25.67	A	atsurance.com
66.186.25.71	A+PTR	cp174.webhost4life.com
66.186.25.71	A	menswearhouseoutlet.info
66.186.25.71	A	menswearhouseoutlet.biz
66.186.25.80	PTR	cp175.mysite4now.com
66.186.25.91	PTR	cp176.mysite4now.com
66.186.25.91	A	info.citizenism.com
66.186.25.91	A	citizenism.com
66.186.25.101	PTR	cp177.mysite4now.com
66.186.25.111	PTR	cp178.mysite4now.com
66.186.25.111	A	audioartsinc.com
66.186.25.111	A	dnnvn.de
66.186.25.121	A	info.connectservicesinc.com
66.186.25.121	A	connectservicesinc.com
66.186.25.121	A	baubleshoppe.com
66.186.25.131	PTR	cp180.webhost4life.com
66.186.25.131	A	info.itsnf.com
66.186.25.131	A	bunkydoesitonthefirstdate.com
66.186.25.141	A	realestateinvestorcollege.com
66.186.25.141	A	antimicrobials.org
66.186.25.141	A	roncalliinstitute.org
66.186.25.151	A	daozone.com
66.186.25.151	A	usedelevatorparts.com
66.186.25.151	A	vehiclassified.com
66.186.25.161	A	hackmeyer.com
66.186.25.161	A	cp183.webhost4life.com
66.186.25.161	A	*.hackmeyer.com
66.186.25.191	PTR	cp186.mysite4now.com
66.186.25.191	A	furrypetsitters.com
66.186.25.191	A	jjsci.com
66.186.25.201	PTR	cp187.mysite4now.com
66.186.25.201	A	azcomputerdoctor.com
66.186.25.201	A	spin-a-web-designs.com
66.186.25.208	A	canadaqualitymeds.com
66.186.25.211	A	toews.name
66.186.25.245	A	mail.cascadehearingaidcenter.com
66.186.25.247	A	mail.londonwestendtheatretickets.com
66.186.25.247	A	mail.ranchoesquon.com
66.186.25.252	A	mail.whatscookinginc.com
66.186.28.26	PTR	www.pritikin.com
66.186.28.99	A+PTR	ls000ex01.wurthlac.com
66.186.28.100	A+PTR	ls000ex02.wurthlac.com
66.186.28.101	A	mx05.wurthlac.com
66.186.28.130	PTR	mlsonline.com
66.186.28.131	PTR	mlsonline.com
66.186.28.140	A	66-140.ristech.net
66.186.28.150	A	filter.ristech.net
66.186.29.0	PTR	ns1-cust.net
66.186.29.2	A	ns1-cust.alchemy.net
66.186.29.64	PTR	ns2-cust.net
66.186.29.66	A+PTR	ns2-cust.alchemy.net
66.186.29.76	PTR	ns2.imediaconsultants.com
66.186.30.50	PTR	fdry3-121.alchemy.net
66.186.30.106	PTR	fw02-1.lax1.alchemy.net
66.186.30.142	A+PTR	nocfoundry2.alchemy.net
66.186.30.171	A+PTR	alch-gslb-dt.alchemy.net
66.186.30.181	A	fdr1-ge-2-7.alchemy.net
66.186.31.50	PTR	starlogiconline-1wil.alchemy.net
66.186.31.81	PTR	alchbi-1wil-1-4-37.alchemy.net
66.186.31.141	PTR	w4l2-lo1-c3750-dt2.alchemy.net
66.186.31.158	A+PTR	alch-lb-12g.alchemy.net