Robtex

Up: 198.91.12.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 198.91.14.0/24
Down right: 198.91.15.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
198.91.14.35	A+PTR	bayns1.bay.k12.fl.us
198.91.14.36	A	bayns2.bay.k12.fl.us
198.91.14.36	A	baynet2.bay.k12.fl.us
198.91.14.137	A+PTR	mail.bayschools.net
198.91.14.137	A+PTR	list.bayschools.net
198.91.14.137	PTR	netmail.bay.k12.fl.us