Robtex

Up: 18.144.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 18.145.0.0/17
Down right: 18.145.128.0/17

IP	Type	Hostname
18.145.0.1	A+PTR	b24-rtr-1-37server145.mit.edu
18.145.0.30	A+PTR	ec2-18-145-0-30.us-west-1.compute.amazonaws.com
18.145.0.252	A	m37srv145-tester-1.mit.edu
18.145.0.253	A	m37srv145-installer-1.mit.edu
18.145.221.239	A	ns1.mail.mail.dns.6.umikl.com