Robtex

Up: 139.48.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 139.48.0.0/17
Down right: 139.48.128.0/17
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
139.48.55.56	A+PTR	emsviewer.albertahealthservices.ca
139.48.55.102	A+PTR	pacsapp-bdc.albertahealthservices.ca
139.48.55.210	A+PTR	centripetus.albertahealthservices.ca
139.48.76.64	A+PTR	andromeda.crha-health.ab.ca
139.48.76.64	A+PTR	mailhost.crha-health.ab.ca
139.48.76.90	A+PTR	dcsredis01.crha-health.ab.ca
139.48.76.91	A+PTR	dcsredis02.crha-health.ab.ca
139.48.78.15	A+PTR	osiris.crha-health.ab.ca
139.48.183.190	A	iblogs.albertahealthservices.ca
139.48.198.7	A+PTR	smtp.crha-health.ab.ca
139.48.198.7	A+PTR	mail.calgaryhealthregion.ca
139.48.198.7	A	smtp.albertahealthservices.ca
139.48.205.59	A	dimr1.albertahealthservices.ca
139.48.215.99	A+PTR	dns20.crha-health.ab.ca