Robtex

Up: 173.212.60.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 173.212.60.0/25
Down right: 173.212.60.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
173.212.60.6	A+PTR	smtp.hbhosted.com
173.212.60.6	A	outlook.hbhosted.com
173.212.60.6	A	mail.sttammanyhomestead.com
173.212.60.7	A	autodiscoverredirect.hbhosted.com
173.212.60.10	A+PTR	smtp.hbhosted.com
173.212.60.10	A	outlook.hbhosted.com
173.212.60.10	A	mail.sttammanyhomestead.com
173.212.60.11	A	autodiscoverredirect.hbhosted.com
173.212.60.13	A+PTR	edge.hbhosted.com
173.212.60.13	A	edgeb.hbhosted.com
173.212.60.33	A	mail.sthpk-12.net
173.212.60.41	A	mail.tangischools.org
173.212.60.82	A	mail.brhebertlaw.com
173.212.60.150	A	alstonsvr.iphonesecuremail.com
173.212.60.150	A	mail.alstonequipment.com
173.212.60.170	A	com.howardbrucegoldman.com
173.212.60.170	A	thefbpage.com
173.212.60.170	A	*.howardbrucegoldman.com