Robtex

Up: 64.141.16.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 64.141.16.0/23
Down right: 64.141.18.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
64.141.16.189	A	lccu47.smu.galaxybroadband.net
64.141.17.130	A	mail.organicsguide.com
64.141.17.130	A	mail.officelinxcrm.com
64.141.17.199	A	skillssociety.org
64.141.17.199	A	skillssociety.com
64.141.18.37	A	go2canada.net
64.141.18.37	A	www.go2canada.net
64.141.18.37	A	mail.go2canada.net
64.141.19.5	PTR	h64-141-19-5.bigpipeinc.com
64.141.19.5	A	nable.wtti.ca
64.141.19.11	PTR	h64-141-19-11.bigpipeinc.com
64.141.19.11	A	ns1.hostonfiber.com
64.141.19.11	A	ns1.chefschoiceseafoods.com
64.141.19.12	PTR	h64-141-19-12.bigpipeinc.com
64.141.19.12	A	ns2.chefschoiceseafoods.com
64.141.19.12	A	ns2.hostonfiber.com
64.141.19.15	A	mail.hostonfiber.com
64.141.19.16	A+PTR	mx1.hostonfiber.com
64.141.19.16	A	mail.4lsi.com
64.141.19.31	A	streamonfibre.com
64.141.19.32	PTR	h64-141-19-32.bigpipeinc.com
64.141.19.36	A	seminarusa.com
64.141.19.36	A	gotorecovery.com
64.141.19.51	PTR	www.hostonfiber.com
64.141.19.51	A	macoro.com
64.141.19.51	A	amccourse.com
64.141.19.53	PTR	h64-141-19-53.bigpipeinc.com
64.141.19.53	A	havenchina.com
64.141.19.53	A	havenchina.net
64.141.19.57	PTR	h64-141-19-57.bigpipeinc.com
64.141.19.57	A	mimcourse.com
64.141.19.57	A	padouglas.com
64.141.19.58	PTR	h64-141-19-58.bigpipeinc.com
64.141.19.58	A	seminarcanada.com
64.141.19.59	PTR	h64-141-19-59.bigpipeinc.com
64.141.19.59	A	www.crownvideo.com
64.141.19.65	PTR	h64-141-19-65.bigpipeinc.com
64.141.19.66	PTR	h64-141-19-66.bigpipeinc.com
64.141.19.68	PTR	news.padouglas.com
64.141.19.80	PTR	h64-141-19-80.bigpipeinc.com
64.141.19.80	A	haventoday.com
64.141.19.80	A	tellingthegreatstory.org
64.141.19.106	A	renaissancefm.com
64.141.19.120	A	unifi.wtti.ca
64.141.19.125	A	remote.triumphprocessing.com
64.141.19.247	PTR	h64-141-19-247.bigpipeinc.com
64.141.19.247	A	m-unstable-0.loapowertools.com
64.141.19.247	A	v-unstable.loapowertools.com