Robtex

Up: 205.189.138.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 205.189.139.0/25
Down right: 205.189.139.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
205.189.139.1	A+PTR	scinet.scinet.com
205.189.139.1	A	atclinux.com
205.189.139.1	A	ns1.atclinux.com
205.189.139.2	A+PTR	ntor.scinet.com
205.189.139.3	A	mordor.wiznet.ca
205.189.139.5	A	xxylophone.com
205.189.139.20	A	151frontyyz.scinet.com
205.189.139.50	A+PTR	www.scinet.com
205.189.139.50	A	dhcp1-21.scinet.com
205.189.139.50	A	dhcp1-25.scinet.com
205.189.139.137	A	vnext-coreyyz.wiznet.ca
205.189.139.137	A	gondor.wiznet.ca