Robtex

Up: 174.46.132.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 174.46.133.0/25
Down right: 174.46.133.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
174.46.133.8	PTR	sd1.dc74.com
174.46.133.9	PTR	sd2.dc74.com
174.46.133.12	PTR	host133-12.dc74.com
174.46.133.26	A	mail.dc74.com
174.46.133.26	A	mail.dc74.net
174.46.133.52	PTR	svr3.dc74.net
174.46.133.55	PTR	host133-55.dc74.com
174.46.133.64	PTR	host133-64.dc74.com
174.46.133.67	PTR	host133-67.dc74.com
174.46.133.74	A+PTR	mail2.dc74.com
174.46.133.103	PTR	host133-103.dc74.com
174.46.133.111	PTR	host133-111.dc74.com
174.46.133.120	A+PTR	mail.cnsg-usa.com
174.46.133.120	A	enterprisenetsolutions.com
174.46.133.129	PTR	gw-129.dc74.com
174.46.133.131	PTR	trust.techieinc.com
174.46.133.153	PTR	host133-153.dc74.com
174.46.133.164	PTR	host133-164.dc74.com
174.46.133.171	A+PTR	mail.amaar.ps
174.46.133.171	A	webmail.amaar.ps
174.46.133.196	PTR	host133-196.dc74.com
174.46.133.196	A	visualdir.net
174.46.133.196	A	visualdir.com
174.46.133.201	PTR	host133-201.dc74.com
174.46.133.201	A	docfx.net
174.46.133.211	A+PTR	ns1.bnshosting.com
174.46.133.211	A	ns1.bnshosting.us
174.46.133.212	PTR	ns2.bnshosting.com
174.46.133.212	A	ns2.bnshosting.us
174.46.133.215	PTR	mail.bnshosting.com
174.46.133.215	A	mailbag.bnshosting.com
174.46.133.216	PTR	host-216.bnshosting.com
174.46.133.216	A	thepressons.com
174.46.133.216	A	bnsglobal.us
174.46.133.221	A	web01.bnshosting.com
174.46.133.222	PTR	mail.islamhelpline.com
174.46.133.243	A+PTR	dns01.iar.clt.nexcess.net
174.46.133.243	A	ns3.managed.net
174.46.133.243	A	ns3.interworx.com
174.46.133.245	PTR	unknown.nexcess.net
174.46.133.246	PTR	host133-246.dc74.com
174.46.133.246	A	ns4.interworx.com
174.46.133.246	A	ns4.managed.net