Robtex

Up: 206.211.192.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 206.211.224.0/20
Down right: 206.211.240.0/20

IP	Type	Hostname
206.211.224.20	A+PTR	owa.svhs.org
206.211.224.20	A	cas.svhs.org
206.211.239.79	A	mail.wmhinc.org
206.211.242.11	A+PTR	cme.svhs.org
206.211.242.11	A+PTR	svhssnx.svhs.org
206.211.242.30	A	zixvpm.svhs.org
206.211.242.35	A+PTR	mail.svhs.org
206.211.242.35	A+PTR	mail2.svhs.org
206.211.242.35	A+PTR	securemail.svhs.org
206.211.242.40	A+PTR	dns1.svhs.org
206.211.242.40	PTR	pdns.svhs.org
206.211.242.41	PTR	dns2.svhs.org
206.211.242.41	PTR	sdns.svhs.org