Robtex

Up: 74.115.207.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 74.115.207.0/26
Down right: 74.115.207.64/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
74.115.207.20	A	sip.hostedlync2010provider.com
74.115.207.21	A	avedge.hostedlync2010provider.com
74.115.207.22	A	web.hostedlync2010provider.com
74.115.207.25	A	dirweb.hostedlync2010provider.com
74.115.207.32	PTR	mx05-1.sherwebcloud.com
74.115.207.32	PTR	smtp05.sherwebcloud.com
74.115.207.32	A+PTR	autodiscover.lab.sherweb.com
74.115.207.33	PTR	mx05-2.sherwebcloud.com
74.115.207.34	PTR	webmail05.sherwebcloud.com
74.115.207.38	PTR	autodiscover05.sherwebcloud.com
74.115.207.40	A	mail.simsheatingandcooling.com
74.115.207.40	A	webmail.futureinns.com
74.115.207.40	A	mail.aspenmgt.net
74.115.207.41	A	mail.hitesmanlaw.com
74.115.207.41	A	smtp04.domainlocalhost.com
74.115.207.41	A	webmail.maupintravel.com
74.115.207.42	A	autodiscover04.sherweb2010.com
74.115.207.43	A	autodiscover04.domainlocalhost.com
74.115.207.46	A	mail.societyforscience.org
74.115.207.51	A	basicoption.com
74.115.207.51	A	mail.microage.cc
74.115.207.51	A	admin.xirgo.ca
74.115.207.53	A	mail.malakut.ru
74.115.207.53	A	mail.cs-la.com
74.115.207.53	A	webmail.leesupplycorp.com
74.115.207.54	A	trldg.com
74.115.207.54	A	jpstechconsulting.com
74.115.207.54	A	getmyemails.net
74.115.207.55	PTR	autodiscover.waulttenmechanical.ca
74.115.207.55	A	thelec.com
74.115.207.55	A	uwerks.com
74.115.207.82	A	admin04.sherweb2010.com
74.115.207.88	A	ceupmn.ca
74.115.207.100	A+PTR	relay-s04-hub001.domainlocalhost.com
74.115.207.101	A+PTR	relay-s04-hub002.domainlocalhost.com
74.115.207.102	A+PTR	relay-s04-hub003.domainlocalhost.com
74.115.207.103	A+PTR	relay-s04-hub004.domainlocalhost.com
74.115.207.117	A	nsiteam.net