Robtex

Up: 198.30.182.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 198.30.183.0/25
Down right: 198.30.183.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
198.30.183.3	A+PTR	ajavc.huc.edu
198.30.183.5	A+PTR	aja.huc.edu
198.30.183.7	PTR	huc.edu
198.30.183.7	PTR	cal1.cn.huc.edu
198.30.183.7	A	cal.huc.edu
198.30.183.8	A+PTR	mail.huc.edu
198.30.183.16	A	ras.huc.edu
198.30.183.20	A	cl6.huc.edu
198.30.183.25	A	jsp.huc.edu
198.30.183.28	A+PTR	cl3.huc.edu
198.30.183.29	A+PTR	cl1.huc.edu
198.30.183.34	A+PTR	library.huc.edu
198.30.183.35	A	wikidata.huc.edu
198.30.183.35	A	wiki.huc.edu
198.30.183.35	A	blog.huc.edu
198.30.183.36	A+PTR	lib237.huc.edu
198.30.183.40	A+PTR	autodiscover.huc.edu
198.30.183.40	PTR	owa.huc.edu
198.30.183.50	A+PTR	webmail.huc.edu