Robtex

Up: 149.64.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 149.65.0.0/17
Down right: 149.65.128.0/17
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
149.65.1.1	A+PTR	gateway.exa.com
149.65.1.2	A	router.exa.com
149.65.3.1	A+PTR	fermi.exa.com
149.65.3.1	A	powerclay.com
149.65.3.1	A	www.accesscae.com
149.65.8.1	PTR	router.de.exa.com
149.65.24.2	PTR	switch.kr.exa.com
149.65.32.10	A+PTR	exaserv.exajapan.jp
149.65.40.2	PTR	switch.mi.exa.com
149.65.130.39	A	hyperion.exa.com
149.65.130.57	A+PTR	river.exa.com