Robtex

Up: 216.69.108.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 216.69.108.0/25
Down right: 216.69.108.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.69.108.5	A+PTR	servicer.nelnet.com
216.69.108.18	PTR	itilsp.nelnet.net
216.69.108.19	PTR	filetransfer.nelnet.net
216.69.108.20	PTR	transferservices.nelnet.net
216.69.108.21	PTR	test.filetransfer.nelnet.net
216.69.108.23	A+PTR	e.vosaic.com
216.69.108.23	A	ns3.nelnet.net
216.69.108.24	A+PTR	ns2.nelnet.net
216.69.108.34	PTR	nelnetpay.nelnet.net
216.69.108.34	PTR	www.nelnetpay.nelnet.net
216.69.108.38	PTR	qa1.redirect.nelnet.com
216.69.108.59	A	nteractonline.com
216.69.108.61	PTR	nelnet.net
216.69.108.61	A+PTR	e.firstmarkservices.com
216.69.108.61	A+PTR	e.nelnet.net
216.69.108.65	PTR	ftp.nelnet.com
216.69.108.65	PTR	ftp.nelnet.net
216.69.108.69	PTR	services.nelnet.net
216.69.108.70	PTR	nelnetwellness.com
216.69.108.70	PTR	guarantorsolutions.nelnet.com
216.69.108.70	PTR	redirect.nelnet.com
216.69.108.71	PTR	secure.nelnet.com
216.69.108.73	A+PTR	owa.nelnet.net
216.69.108.78	PTR	factsgiveaway.com
216.69.108.78	A+PTR	mycollegepaymentplan.com
216.69.108.78	PTR	mystudentpaymentplan.com
216.69.108.85	A	dollarsensei.com
216.69.108.88	A	studentloanonline.com
216.69.108.89	A	www.college-assist.com
216.69.108.89	A	college-assist.net
216.69.108.92	A	specialdirectconsolidationloan.org
216.69.108.92	A	specialdirectconsolidationloan.com
216.69.108.94	PTR	www.dlcprogram.com
216.69.108.95	PTR	www.devnsight.nelnet.net
216.69.108.102	PTR	m.nelnet.net
216.69.108.106	PTR	ehelp.nelnet.net
216.69.108.107	A	traxdev.5280solutions.com
216.69.108.113	A	vetstudentloanassistance.com
216.69.108.130	PTR	vsac.myloanmanager.com
216.69.108.138	PTR	auth.nelnet.net
216.69.108.138	PTR	disc.nelnet.net
216.69.108.138	PTR	nbs.nelnet.net
216.69.108.150	A+PTR	servicer.nelnet.com
216.69.108.150	A+PTR	servicer.nelnet.net
216.69.108.150	A	osfamass.org
216.69.108.198	A	admin.healthedsolutions.com
216.69.108.203	PTR	cwr.nelnet.net
216.69.108.206	PTR	cwrex.nelnet.net
216.69.108.208	PTR	custqa.healthedsolutions.com
216.69.108.213	PTR	healthedsolutions.com
216.69.108.213	PTR	e.healthedsolutions.com
216.69.108.213	A+PTR	www.healthedsolutions.com
216.69.108.220	A	myloanmanager.com