Robtex

Up: 64.187.0.0/17
Can't show all results, try to descend to a more specific CIDR
Down left: 64.187.0.0/19
Down right: 64.187.32.0/19
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
64.187.1.3	PTR	ns1.ktgtrading.com
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
64.187.1.195	PTR	cdn-tor-2611.intelco.ca
64.187.2.1	PTR	h64-187-2-1.gtcust.grouptelecom.net
64.187.2.130	PTR	h64-187-2-130.gtcust.grouptelecom.net
64.187.3.3	A	mail.teleseas.com
64.187.3.34	A	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
64.187.14.193	PTR	static-64-187-14-193.gtcust.grouptelecom.net
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
64.187.18.57	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
64.187.18.128	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
64.187.18.194	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
64.187.30.106	A	static-64-187-30-106.gtcust.grouptelecom.net
64.187.31.128	PTR	static-64-187-31-128.gtcust.grouptelecom.net
64.187.36.35	A	gateway.proxywebs.com
64.187.36.110	A	spamcontrol.holidayforfree.com
64.187.36.110	A	spamcontrol.greensanddreams.com
64.187.36.216	A	mail.hpssupersentinel.com
64.187.36.216	A	mail.hpssentinel.com
64.187.36.216	A	mail.hpscenturion.com
64.187.37.4	PTR	static-64-187-37-4.gtcust.grouptelecom.net
64.187.37.64	PTR	static-64-187-37-64.gtcust.grouptelecom.net
64.187.37.65	PTR	static-64-187-37-65.gtcust.grouptelecom.net
64.187.37.66	PTR	static-64-187-37-66.gtcust.grouptelecom.net
64.187.37.91	A	static-64-187-37-91.gtcust.grouptelecom.net
64.187.37.110	A	mail.tvccauxiliary.com
64.187.37.110	A	mail.reforestlondon.com
64.187.37.110	A	mail.sernovacorp.com
64.187.37.129	PTR	static-64-187-37-129.gtcust.grouptelecom.net
64.187.42.1	PTR	h64-187-42-1.gtcust.grouptelecom.net
64.187.42.9	A	www.ionline.net
64.187.42.131	PTR	h64-187-42-131.gtcust.grouptelecom.net
64.187.43.18	A	refinancetopics.com
64.187.43.19	A	refinancetopics.com
64.187.46.224	PTR	static-64-187-46-224.gtcust.grouptelecom.net
64.187.46.230	A	ns1.synbiz.com
64.187.46.234	A	smtp1.synbiz.com
64.187.46.235	A	smtp4.synbiz.com
64.187.46.235	A	ns3.synbiz.com
64.187.50.3	PTR	h64-187-50-3.gtcust.grouptelecom.net
64.187.50.115	PTR	h64-187-50-115.gtcust.grouptelecom.net
64.187.50.133	PTR	h64-187-50-133.gtcust.grouptelecom.net
64.187.53.21	A	ciran.com
64.187.53.127	A	zagaguli.ru
64.187.53.127	A	mail.iranregistration.org
64.187.54.160	A	raq4i-1.ravand.com
64.187.60.1	PTR	h64-187-60-1.gtcust.grouptelecom.net
64.187.60.130	PTR	h64-187-60-130.gtcust.grouptelecom.net
64.187.60.197	A	h64-187-60-197.gtcust.grouptelecom.net
64.187.62.3	A	nsdeadhead.highspeedfx.net
64.187.62.5	A	hsfx-64-187-62-5.highspeedfx.net
64.187.62.10	A	hsfx-64-187-62-10.highspeedfx.net
64.187.62.11	A	r-64-187-62-11.highspeedfx.net
64.187.62.64	A	hsfx-64-187-62-64.highspeedfx.net
64.187.62.67	A	hsfx-64-187-62-67.highspeedfx.net
64.187.62.69	A	hsfx-64-187-62-69.highspeedfx.net
64.187.62.70	A	hsfx-64-187-62-70.highspeedfx.net
64.187.62.130	A	www6.highspeedfx.net
64.187.62.147	A	mail.draytoncrc.com
64.187.63.255	PTR	static-64-187-63-255.gtcust.grouptelecom.net