Robtex

Up: 198.245.174.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 198.245.174.0/25
Down right: 198.245.174.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
198.245.174.37	A	mail2.americantower.com
198.245.174.37	A	spam.americantower.com
198.245.174.40	A	transcend.in
198.245.174.40	A	americantower.com.co
198.245.174.40	A	americantowers.sg
198.245.174.100	A	ns3.americantower.com
198.245.174.102	A	blgtm01.americantower.com