Robtex

Up: 12.228.4.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 12.228.6.0/24
Down right: 12.228.7.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
12.228.6.65	PTR	abbyabbondanza.com
12.228.6.65	PTR	capitalinvestmentadvisory.com
12.228.6.65	PTR	capitalretirementplans.com
12.228.6.68	PTR	southsidebusinessmensclub.com
12.228.6.68	PTR	ftp.southsidebusinessmensclub.com
12.228.6.68	PTR	www.southsidebusinessmensclub.com
12.228.6.71	PTR	structuresintl.com
12.228.6.71	A+PTR	mail.structuresintl.com
12.228.6.72	A	amanitasafaris.com
12.228.6.72	A	speeroutdooradventures.com
12.228.6.72	A	amanita.co.za
12.228.6.73	A	www.healthystuffandthings.com
12.228.6.74	PTR	abbyabbondanza.com
12.228.6.77	A+PTR	bullseyeoutdooradventures.com
12.228.6.77	PTR	bullseyeoutdooradventures.info
12.228.6.77	PTR	bullseyeoutdooradventures.net
12.228.6.80	PTR	1.demo.arcogroup.com
12.228.6.80	PTR	2.demo.arcogroup.com
12.228.6.80	PTR	3.demo.arcogroup.com
12.228.6.94	PTR	zapplist.com
12.228.6.94	PTR	dev.zapplist.com
12.228.6.94	PTR	stage.zapplist.com
12.228.6.108	PTR	tm-ts4.trinitymaterials.com
12.228.6.130	PTR	ns1.altitunes.com
12.228.6.130	PTR	ns1.arcogroup.com
12.228.6.130	PTR	ns4.arcogroup.com
12.228.6.131	PTR	ns2.altitunes.com
12.228.6.131	PTR	ns2.arcogroup.com
12.228.6.131	PTR	ns5.arcogroup.com
12.228.6.132	A+PTR	ns3.ftmsinc.com
12.228.6.140	PTR	filter2.ftmsinc.com
12.228.6.144	PTR	ces.spam.ftmsinc.com
12.228.6.144	PTR	itc.spam.ftmsinc.com
12.228.6.150	PTR	crittergitter.com
12.228.6.150	PTR	ftp.arcogroup.com
12.228.6.150	PTR	stuff.arcogroup.com
12.228.6.151	A+PTR	dev.arcogroup.com
12.228.6.155	PTR	mail.centecor.com
12.228.6.197	A+PTR	dynamicforms.ngwebsolutions.com
12.228.6.198	A	kean.scholarships.ngwebsolutions.com
12.228.6.198	A	portlandstate.scholarships.ngwebsolutions.com
12.228.6.198	A	uncw.scholarships.ngwebsolutions.com
12.228.6.199	PTR	webprod-01.ngwebsolutions.com
12.228.6.201	A	yaleteachingopps.org
12.228.6.202	A+PTR	webprod-04.ngwebsolutions.com
12.228.6.204	A+PTR	webprod-07.ngwebsolutions.com
12.228.6.207	A+PTR	qadfwebservices.ngwebsolutions.com
12.228.6.208	A+PTR	dfwebservices.ngwebsolutions.com
12.228.6.210	A+PTR	webqa-01.ngwebsolutions.com
12.228.6.210	PTR	qadfsso.scholarships.ngwebsolutions.com
12.228.6.211	PTR	qaschsso.scholarships.ngwebsolutions.com
12.228.6.212	A	servprod-01.ngwebsolutions.com
12.228.6.214	A+PTR	webprod-06.ngwebsolutions.com
12.228.6.215	A+PTR	mail.ngwebsolutions.net
12.228.6.215	A	tbr.edu
12.228.6.215	A	mail.ngwebsolutions.com
12.228.6.217	PTR	ngreporting.studentemployment.ngwebsolutions.com
12.228.6.217	PTR	qajobdemo.studentemployment.ngwebsolutions.com
12.228.6.217	PTR	qajobtsdemo.studentemployment.ngwebsolutions.com
12.228.6.218	PTR	mail.ngwebsolutions.net
12.228.6.218	A	userforum.ngwebsolutions.com
12.228.6.219	PTR	www.sasea.net
12.228.6.222	A+PTR	qa1.studentemployment.ngwebsolutions.com
12.228.6.222	PTR	qa10.studentemployment.ngwebsolutions.com
12.228.6.222	PTR	qa11.studentemployment.ngwebsolutions.com
12.228.6.223	PTR	arch1.scholarships.ngwebsolutions.com
12.228.6.223	PTR	arch2.scholarships.ngwebsolutions.com
12.228.6.225	PTR	accd.careerservices.ngwebsolutions.com
12.228.6.229	A	studentemployment.neu.edu
12.228.6.230	A	www.yalestudentjobs.org
12.228.6.230	A	yalestudentjobs.org
12.228.6.231	A	studentemployment.brown.edu
12.228.6.232	A	seo.georgetown.edu
12.228.6.236	A	studentemployment.bowdoin.edu
12.228.6.237	A	www.ecsujobs.org
12.228.6.237	A	ecsujobs.org
12.228.6.240	A+PTR	qa1.scholarships.ngwebsolutions.com
12.228.6.240	PTR	qa2.scholarships.ngwebsolutions.com
12.228.6.240	A+PTR	qa3.scholarships.ngwebsolutions.com
12.228.6.242	PTR	dforms1.qa.ngwebsolutions.com
12.228.6.242	PTR	dforms2.qa.ngwebsolutions.com
12.228.6.242	PTR	scholar1.qa.ngwebsolutions.com
12.228.6.244	A+PTR	helpx.ngwebsolutions.com
12.228.6.245	A	studentemployment.umich.edu
12.228.6.246	A	jobs.llu.edu
12.228.6.247	A	jobs.fresnocitycollege.edu
12.228.6.248	A+PTR	errorx.ngwebsolutions.com
12.228.6.248	A+PTR	qadynamicforms.ngwebsolutions.com
12.228.6.251	A	seojobs.mtholyoke.edu
12.228.6.252	A+PTR	www.ngwebsolutions.com