Robtex

Up: 199.8.80.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 199.8.80.0/22
Down right: 199.8.84.0/22

IP	Type	Hostname
199.8.80.1	A	michael.sf.edu
199.8.80.4	A	campusweb.sf.edu
199.8.80.5	A	gabriel.sf.edu
199.8.80.8	A	jerome.sf.edu
199.8.80.10	A	daniel.sf.edu
199.8.80.13	A	studentmail.sf.edu
199.8.80.13	A	usfmail.sf.edu
199.8.80.16	A	henry.sf.edu
199.8.80.17	A+PTR	jeanne.sf.edu
199.8.80.19	PTR	accounts.sf.edu
199.8.80.31	A	illiad.sf.edu
199.8.80.34	A	service.sf.edu
199.8.80.34	A	drogo.sf.edu
199.8.80.35	A+PTR	ezekiel.sf.edu
199.8.80.38	A	mail-2010.sf.edu
199.8.80.39	PTR	mail.sf.edu
199.8.80.40	A	exchange.sf.edu
199.8.80.40	A	exchange2003.sf.edu
199.8.80.42	A	usfsurvey.sf.edu
199.8.80.53	A	virgil.sf.edu
199.8.80.55	A+PTR	barracuda.sf.edu
199.8.80.57	A+PTR	ecampus.sf.edu
199.8.80.57	A+PTR	my.sf.edu
199.8.80.70	A	access.sf.edu
199.8.80.100	A+PTR	tiberius.sf.edu
199.8.80.101	A+PTR	raritan.sf.edu
199.8.80.107	A	felix.sf.edu
199.8.80.156	A	thomas.sf.edu