Robtex

Up: 198.199.172.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 198.199.172.0/25
Down right: 198.199.172.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
198.199.172.7	A	gromit.grps.k12.mi.us
198.199.172.131	A	green-goblin.grps.k12.mi.us
198.199.172.143	A+PTR	www.grps.k12.mi.us
198.199.172.143	A	grps.org
198.199.172.143	A	www.grpublicschools.org
198.199.172.173	A	mail.grpublicschools.org
198.199.172.174	A	mail2.grps.org
198.199.172.174	A	mail2.grps.k12.mi.us
198.199.172.175	A	mail2.grpublicschools.org
198.199.172.178	A	mail.grps.k12.mi.us
198.199.172.178	A	mail.grps.org
198.199.172.186	A+PTR	pop.grps.k12.mi.us
198.199.172.186	A	pop.grps.org