Robtex

Up: 205.147.236.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 205.147.237.0/25
Down right: 205.147.237.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
205.147.237.12	PTR	exchange.readinghospital.org
205.147.237.21	A	host21.readinghospital.org
205.147.237.22	A	host22.readinghospital.org
205.147.237.35	A+PTR	mail1.readinghealth.org
205.147.237.35	A	mail1.towerhealth.org
205.147.237.36	A+PTR	mail2.readinghealth.org
205.147.237.36	A	mail2.towerhealth.org
205.147.237.44	A	epiccareeverywhere.readinghospital.org
205.147.237.65	A+PTR	host65.readinghospital.org
205.147.237.81	A+PTR	host81.readinghospital.org
205.147.237.81	A	mytowerhealth.org
205.147.237.98	A+PTR	webmail.readinghealth.org
205.147.237.98	A+PTR	webmail.readinghospital.org
205.147.237.105	PTR	host105.readinghospital.org
205.147.237.105	A	readinghealthsystems.us
205.147.237.105	A	trhmc.co
205.147.237.132	PTR	exchange2.readinghospital.org
205.147.237.132	A	mail.thehighlands.org
205.147.237.137	A+PTR	ftp.readinghospital.org
205.147.237.137	A	ftp.readinghealth.org
205.147.237.141	A	relay.readinghospital.org
205.147.237.141	A	host141.readinghospital.org
205.147.237.144	A+PTR	host144.readinghospital.org
205.147.237.156	A+PTR	home.readinghealth.org
205.147.237.166	PTR	host166.readinghospital.org
205.147.237.166	A	mychart.readinghealth.org
205.147.237.170	A+PTR	mx1.readinghealth.org
205.147.237.170	A	mx1.readinghospital.org