Robtex

Up: 206.225.160.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 206.225.176.0/21
Down right: 206.225.184.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
206.225.176.0	PTR	ridemetro.org
206.225.177.0	PTR	ridemetro.org
206.225.177.11	A+PTR	ns1.ridemetro.org
206.225.177.12	A+PTR	ns2.ridemetro.org
206.225.177.13	A	ftp.ridemetro.org
206.225.177.19	PTR	www.metroairportdirect.com
206.225.177.19	PTR	www.transitboys.com
206.225.177.19	PTR	www.transitboyz.com
206.225.177.20	PTR	ridestore.ridemetro.org
206.225.177.37	A+PTR	pmailgate.ridemetro.org
206.225.177.50	A+PTR	mta1.ridemetro.org
206.225.177.56	A+PTR	vdi2.ridemetro.org
206.225.177.57	A+PTR	nlb1.ridemetro.org
206.225.190.0	PTR	ridemetro.org
206.225.190.14	PTR	drinfo-web
206.225.190.14	A+PTR	www1.ridemetro.org
206.225.190.20	A+PTR	drnfuse.ridemetro.org