Robtex

Up: 65.38.192.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 65.38.224.0/20
Down right: 65.38.240.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
65.38.224.2	A	ns2.hawkvoip.com
65.38.224.6	PTR	www.joibiz.com
65.38.224.6	PTR	www.joiphone.com
65.38.224.6	A	pefashion.net
65.38.224.7	PTR	mail.hawkaccess.com
65.38.224.7	A	mail.joiphone.com
65.38.224.7	A	mail.hawkvoip.com
65.38.224.201	A	pbx2.hawkvoip.com
65.38.225.7	A+PTR	mail.hawkvoip.com
65.38.226.7	A+PTR	pulmonary.joibiz.com
65.38.227.7	PTR	mail.joiphone.com
65.38.227.7	A	mail.yebcom.com
65.38.227.7	A	mail.jibphone.com
65.38.234.52	A	webemail.joimail.com
65.38.241.5	A+PTR	portal.joibiz.com
65.38.241.5	A	joibiz.joipbx.com
65.38.241.12	A	astahl.joipbx.com
65.38.241.13	A	modern.joipbx.com