Robtex

Up: 72.0.224.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 72.0.240.0/21
Down right: 72.0.248.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
72.0.240.0	A+PTR	adsl-0-240-0-72.static.maskatel.ca
72.0.240.5	A	proxy.maskatel.net
72.0.240.12	A	webmail.teldrummond.net
72.0.240.18	A+PTR	smtp.maskatel.info
72.0.240.18	PTR	smtp.maskatel.net
72.0.240.18	A	pop.guevremont.net
72.0.240.19	PTR	smtp.maskatel.net
72.0.240.62	A	exchange.abmast.com
72.0.240.217	A	as2.maskatel.qc.ca
72.0.240.218	A	smtp.teldrummond.com
72.0.240.218	A	smtp.maskatel.qc.ca
72.0.240.218	A	smtp1.maskatel.qc.ca
72.0.240.226	A+PTR	cp02.maskatel.ca
72.0.240.226	A	lalibertemoto.ca
72.0.240.227	PTR	adsl-227-240-0-72.static.maskatel.ca
72.0.240.227	A	telupton.com
72.0.240.227	A	mail.telupton.com
72.0.241.80	PTR	adsl-80-241-0-72.dynamic.maskatel.ca
72.0.241.220	A	c7-72-0-241-220.dynamic.sthy.maskatel.ca
72.0.242.24	A	adsl-24-242-0-72.dynamic.maskatel.ca
72.0.244.115	PTR	adsl-115-244-0-72.dynamic.maskatel.ca
72.0.244.170	A	modan31.com
72.0.246.135	A	*.manaras.com
72.0.246.135	A	www.manaras.com
72.0.246.140	A	mail.canimex.com
72.0.246.140	A	mail.arpex.ca
72.0.246.161	A	www.canimex.com
72.0.246.161	A	opd.ca
72.0.246.161	A	annemariedubois.com
72.0.246.196	A	darknice.net
72.0.249.84	A	adsl-84-249-0-72.dynamic.maskatel.ca
72.0.250.16	A+PTR	c7-72-0-250-16.dynamic.drum.maskatel.ca
72.0.250.16	A	adsl-16-250-0-72.dynamic.maskatel.ca
72.0.250.38	A	ns2.infoplus.ca
72.0.250.194	A+PTR	autodiscover.setlakwe.com
72.0.250.207	A	farm-access.com
72.0.250.240	PTR	adsl-240-250-0-72.dynamic.maskatel.ca
72.0.250.240	A	mail.midbec.com
72.0.251.39	A	germain.co
72.0.252.128	A+PTR	c7-72-0-252-128.dynamic.drum.maskatel.ca
72.0.252.128	A	adsl-128-252-0-72.dynamic.maskatel.ca
72.0.252.242	A+PTR	adsl-242-252-0-72.dynamic.maskatel.ca
72.0.252.255	A	adsl-255-252-0-72.dynamic.maskatel.ca
72.0.253.0	PTR	e7-72-0-253-0.dynamic.sthy.maskatel.ca
72.0.253.241	PTR	adsl-241-253-0-72.dynamic.maskatel.ca
72.0.253.255	A	adsl-255-253-0-72.dynamic.maskatel.ca
72.0.254.0	A+PTR	c7-72-0-254-0.dynamic.sthy.maskatel.ca
72.0.255.17	PTR	adsl-17-255-0-72.static.maskatel.ca
72.0.255.17	A	mail.autodecor.ca
72.0.255.17	A	mail.vroyale.ca
72.0.255.25	A	adsl-25-255-0-72.static.maskatel.ca
72.0.255.25	A	c7-72-0-255-25.static.sthy.maskatel.ca
72.0.255.34	PTR	adsl-34-255-0-72.static.maskatel.ca
72.0.255.46	A	mail.ghchemicals.com
72.0.255.94	A	mail.sylvestreleblond.com
72.0.255.107	A	mail.langevinsyndic.com
72.0.255.130	A	mail.altocommunication.com
72.0.255.132	A	videoptique.com
72.0.255.141	A	mail.gymnasedrummond.com
72.0.255.144	A	mail.lambert-rh.com
72.0.255.241	A+PTR	c7-72-0-255-241.static.drum.maskatel.ca
72.0.255.255	A	c7-72-0-255-255.static.drum.maskatel.ca
72.0.255.255	A	adsl-255-255-0-72.static.maskatel.ca