Robtex

Up: 65.215.44.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 65.215.45.0/25
Down right: 65.215.45.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
65.215.45.2	PTR	prodiis01.computercompany.net
65.215.45.5	PTR	barracuda.computercompany.net
65.215.45.6	PTR	prodiisnew.computercompany.net
65.215.45.9	PTR	prodiis02.computercompany.net
65.215.45.11	PTR	mail.computercompany.net
65.215.45.224	A	ns1.starrcompanies.com
65.215.45.226	A	starrlink.com
65.215.45.247	A+PTR	mx1.starrcompanies.com
65.215.45.247	A	mx1.cvstarrco.com
65.215.45.247	A	mx1.starr-tech.com
65.215.45.248	A+PTR	mx2.starrcompanies.com
65.215.45.248	A	mx2.starr-tech.com
65.215.45.248	A	mx2.starrintl-asia.com
65.215.45.250	A	ftp.starrcompanies.com