Robtex

Up: 74.201.0.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 74.201.4.0/23
Down right: 74.201.6.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
74.201.4.20	PTR	ns1.breakwater.com
74.201.4.20	PTR	www.breakwater.com
74.201.4.21	PTR	ns2.breakwater.com
74.201.4.40	PTR	as.breakwater.com
74.201.4.40	PTR	mail.breakwater.com
74.201.4.50	PTR	breakwater.com
74.201.4.50	PTR	analytics.breakwater.com
74.201.5.31	A+PTR	sp.avtexvdr.net
74.201.5.31	A+PTR	www.avtexvdr.net
74.201.5.87	A	www.directvdirectsales.com
74.201.5.237	A+PTR	ns3.aisn.net
74.201.5.238	A+PTR	ns4.aisn.net
74.201.6.200	A	mail.t4login.com
74.201.6.200	A	mail.t4futures.com
74.201.6.200	A	mail.ctsfutures.com
74.201.6.203	A	ctsdns1-int.letittrade.com
74.201.6.204	A	ctsdns2-cer-int.t4login.com
74.201.6.204	A	ctsdns2-cer-int.ctsfutures.com
74.201.6.204	A	ctsdns2-cer-int.t4login.net
74.201.6.213	A	www.t4login.com
74.201.6.213	A	t4login.com
74.201.6.220	A	ctsfutures.net
74.201.6.220	A	t4futures.com
74.201.6.220	A	t4futures.mobi
74.201.6.232	A	dormandirect.com
74.201.6.233	A	www.tencodirect.net
74.201.6.234	PTR	www-cer-int.t4login.com
74.201.6.234	PTR	www.t4login.com
74.201.6.234	A	t4login.mobi
74.201.7.97	A	ns01.grouponame.net
74.201.7.98	A+PTR	ns02.grouponame.net