Robtex

Up: 64.47.26.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 64.47.27.0/25
Down right: 64.47.27.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
64.47.27.146	A	host-64-47-27-146.masergy.com
64.47.27.150	A	mail.flexprintinc.com
64.47.27.156	PTR	host-64-47-27-156.masergy.com
64.47.27.156	A	audit.flexprintinc.com
64.47.27.163	A+PTR	host-64-47-27-163.masergy.com
64.47.27.164	PTR	host-64-47-27-164.masergy.com
64.47.27.164	A	transpak.com.1.0001.arsmtp.com
64.47.27.164	A	mail.transpak.com
64.47.27.166	A	host-64-47-27-166.masergy.com
64.47.27.171	A	*.transpak.us
64.47.27.171	A	www.transpak.us
64.47.27.171	A	ns1.transpak.us
64.47.27.174	A+PTR	host-64-47-27-174.masergy.com
64.47.27.194	A+PTR	host-64-47-27-194.masergy.com
64.47.27.204	PTR	host-64-47-27-204.masergy.com
64.47.27.204	A	mail.climatec.com
64.47.27.243	PTR	host-64-47-27-243.masergy.com
64.47.27.243	A	ns2.alliedelec.com