Robtex

Up: 70.40.136.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 70.40.136.0/23
Down right: 70.40.138.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
70.40.136.20	PTR	acninc.com
70.40.136.25	PTR	acninc.com
70.40.136.137	A	proactive.acnchat.com
70.40.136.141	A	live.acnchat.com
70.40.136.142	A	mail.acnchat.com
70.40.136.152	A+PTR	mail.acninc.com
70.40.136.152	A	mail.acndigital.com
70.40.136.152	A	mail.acndigitaltalk.com
70.40.136.153	PTR	mail.acninc.com
70.40.136.177	A	mail.acnchattest.com
70.40.136.185	A+PTR	mailgate.acninc.com
70.40.136.205	A	myacnphoneservice.com
70.40.136.206	A	myacnphoneservice.ca
70.40.136.216	A+PTR	smailgate.acnemail.com
70.40.136.223	A	www.acnpresskit.com
70.40.136.223	A	www.whoisacn.com
70.40.136.223	A	acnintegrity.com
70.40.136.224	A	myacncanada.com
70.40.136.224	A	acnservices.com
70.40.136.224	A	gregprovenzano.com
70.40.136.236	A	myacncanada.ca
70.40.136.241	A	shop.myacn.com
70.40.136.243	A	myacn.acninc.com
70.40.136.243	A	myacnoffice.com
70.40.136.243	A	myacnoffice.ca
70.40.136.246	A	acnreptools.com
70.40.136.246	A	acnreview.com
70.40.136.247	A	acndigitaltalk.com
70.40.137.10	A+PTR	smtp01.acndigital.net
70.40.137.10	A	smtp01.wgate.com
70.40.137.10	A	vpn01.acndigital.net
70.40.138.130	PTR	dsl-user.acndigital.net
70.40.138.132	PTR	dsl-user.acndigital.net
70.40.138.132	A	ht7xx.dr01.acndigital.net
70.40.138.132	A	l-dr.na.acndps.net
70.40.138.140	PTR	dsl-user.acndigital.net
70.40.138.141	PTR	dsl-user.acndigital.net
70.40.139.2	PTR	dsl-user.acndigital.net
70.40.139.3	PTR	dsl-user.acndigital.net
70.40.139.97	PTR	dsl-user.acndigital.net
70.40.139.155	PTR	dsl-user.acndigital.net
70.40.139.187	PTR	dsl-user.acndigital.net
70.40.139.251	PTR	dsl-user.acndigital.net