Robtex

Up: 64.187.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 64.187.0.0/20
Down right: 64.187.16.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
64.187.1.3	PTR	ns1.ktgtrading.com
64.187.1.34	PTR	static-64-187-1-34.gtcust.grouptelecom.net
64.187.1.66	PTR	static-64-187-1-66.gtcust.grouptelecom.net
64.187.1.67	PTR	static-64-187-1-67.gtcust.grouptelecom.net
64.187.1.115	A	www.maxaircargo.com
64.187.1.115	A	polaristransportation.com
64.187.1.115	A	cargostar.ca
64.187.1.161	PTR	static-64-187-1-161.gtcust.grouptelecom.net
64.187.1.195	PTR	cdn-tor-2611.intelco.ca
64.187.1.226	PTR	static-64-187-1-226.gtcust.grouptelecom.net
64.187.2.1	PTR	h64-187-2-1.gtcust.grouptelecom.net
64.187.2.33	PTR	h64-187-2-33.gtcust.grouptelecom.net
64.187.2.96	PTR	h64-187-2-96.gtcust.grouptelecom.net
64.187.2.130	PTR	h64-187-2-130.gtcust.grouptelecom.net
64.187.2.226	PTR	h64-187-2-226.gtcust.grouptelecom.net
64.187.3.3	A	mail.teleseas.com
64.187.3.34	A+PTR	static-64-187-3-34.gtcust.grouptelecom.net
64.187.3.218	A	gabe.ca
64.187.4.50	A	auth.eyesurf.net
64.187.4.50	A	authgt.eyesurf.net
64.187.4.50	A	ns1.ionline.net
64.187.4.51	A	ns2.ionline.net
64.187.9.218	A	kelder.highspeedfx.net
64.187.14.1	PTR	static-64-187-14-1.gtcust.grouptelecom.net
64.187.14.7	A	goodlifemiseenforme.ca
64.187.14.10	A	proteksys.com
64.187.14.10	A	core-industries.ca
64.187.14.10	A	elgin-county.on.ca
64.187.14.76	A	static-64-187-14-76.gtcust.grouptelecom.net
64.187.14.129	PTR	static-64-187-14-129.gtcust.grouptelecom.net
64.187.14.131	PTR	static-64-187-14-131.gtcust.grouptelecom.net
64.187.14.160	PTR	static-64-187-14-160.gtcust.grouptelecom.net
64.187.14.163	PTR	static-64-187-14-163.gtcust.grouptelecom.net
64.187.14.193	PTR	static-64-187-14-193.gtcust.grouptelecom.net
64.187.14.225	PTR	static-64-187-14-225.gtcust.grouptelecom.net
64.187.15.98	PTR	mail.sterling.ca
64.187.15.194	A	mail.emilyblack.ca
64.187.15.196	A	ilookabout.org
64.187.15.219	A	nownetwork.us
64.187.16.42	A	h64-187-16-42.gtcust.grouptelecom.net
64.187.18.3	A	mhopkinshpb.highspeedfx.net
64.187.18.4	A	mhopkins.highspeedfx.net
64.187.18.5	A	lmorganhpb.highspeedfx.net
64.187.18.6	A	lmorgan.highspeedfx.net
64.187.18.32	A	ttrugunna.highspeedfx.net
64.187.18.35	A	pvasarhelyihpb.highspeedfx.net
64.187.18.36	A	pvasarhelyi.highspeedfx.net
64.187.18.37	A	b.brown-64-187-18-37.highspeedfx.net
64.187.18.57	A	highspeedfx.highspeedfx.net
64.187.18.64	A	highspeedfx.highspeedfx.net
64.187.18.65	A	highspeedfx.highspeedfx.net
64.187.18.66	A	hsfx-64-187-18-66.highspeedfx.net
64.187.18.67	A	highspeedfx.highspeedfx.net
64.187.18.69	A	hsfx-comm-69.highspeedfx.net
64.187.18.70	A	hsfx-64-187-18-70.highspeedfx.net
64.187.18.71	A	highspeedfx.highspeedfx.net
64.187.18.72	A	highspeedfx.highspeedfx.net
64.187.18.96	A	hsfx-64-187-18-96.highspeedfx.net
64.187.18.98	A	hsfx-64-187-18-98.highspeedfx.net
64.187.18.99	A	hsfx-64-187-18-99.highspeedfx.net
64.187.18.100	A	hsfx-64-187-18-100.highspeedfx.net
64.187.18.128	A	hsfx-64-187-18-128.highspeedfx.net
64.187.18.129	A	hsfx-64-187-18-129.highspeedfx.net
64.187.18.130	A	hsfx-64-187-18-130.highspeedfx.net
64.187.18.131	A	smtp2.highspeedfx.net
64.187.18.168	A	www5.highspeedfx.net
64.187.18.174	A	mail.northwellington-law.ca
64.187.18.194	A	r-64-187-18-194.highspeedfx.net
64.187.18.206	A	r-64-187-18-206.highspeedfx.net
64.187.18.253	A	r-64-187-18-253.highspeedfx.net
64.187.18.254	A	r-64-187-18-254.highspeedfx.net
64.187.23.197	A	saturn.pvnet.purevanity.net
64.187.23.210	A	ns2.responsemagic0.com
64.187.24.1	A	fe0-0.dist7140a-mssgon.ip.grouptelecom.net
64.187.24.6	A+PTR	mailsf.grouptelecom.net
64.187.24.10	A	mailmx1.toroon.grouptelecom.net
64.187.24.10	A	mailmx0.clgrab.grouptelecom.net
64.187.24.69	A	vweb2.nf.net
64.187.24.69	A	vweb.nf.net
64.187.24.69	A	beothuk.com
64.187.28.55	A	ahssecure.com
64.187.28.130	A	ikdesh.apialarmmonitoring.com
64.187.28.152	A	fashionshops.ca
64.187.28.191	A	h64-187-28-191.gtconnect.net
64.187.28.192	A	h64-187-28-192.gtconnect.net
64.187.28.193	A	h64-187-28-193.gtconnect.net
64.187.28.194	A	h64-187-28-194.gtconnect.net
64.187.28.195	A	h64-187-28-195.gtconnect.net
64.187.28.224	A	h64-187-28-224.gtconnect.net
64.187.28.225	A	h64-187-28-225.gtconnect.net
64.187.28.226	A	h64-187-28-226.gtconnect.net
64.187.28.227	A	h64-187-28-227.gtconnect.net
64.187.30.106	A	static-64-187-30-106.gtcust.grouptelecom.net
64.187.31.128	PTR	static-64-187-31-128.gtcust.grouptelecom.net