Robtex

Up: 157.244.0.0/16
Can't show all results, try to descend to a more specific CIDR
Down left: 157.244.128.0/18
Down right: 157.244.192.0/18

IP	Type	Hostname
157.244.190.5	A+PTR	osfivpn1.osfi-bsif.gc.ca
157.244.190.10	A	ns1.osfi-bsif.gc.ca
157.244.190.12	A+PTR	gate-pri.osfi-bsif.gc.ca
157.244.190.12	A+PTR	mail.osfi-bsif.gc.ca
157.244.190.12	PTR	mail.subscription.osfi-bsif.gc.ca
157.244.195.10	A+PTR	ns2.osfi-bsif.gc.ca
157.244.195.12	A+PTR	gate-sec.osfi-bsif.gc.ca
157.244.195.12	A+PTR	mail2.osfi-bsif.gc.ca