Robtex

Up: 137.63.0.0/17
Can't show all results, try to descend to a more specific CIDR
Down left: 137.63.64.0/19
Down right: 137.63.96.0/19
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
137.63.68.2	A+PTR	ns1.afritel.co
137.63.68.98	PTR	137.63.68.98.afritel.co
137.63.68.103	PTR	137.63.68.103.afritel.co
137.63.68.122	PTR	137.63.68.122.afritel.co
137.63.68.122	A	mail.newequifax.com
137.63.68.242	PTR	manager.weknowmarketing.biz
137.63.68.250	PTR	fund.affiliatemarketingmagic.biz
137.63.69.10	PTR	phone.allgreatmusicnow.com
137.63.69.35	PTR	wake.newfreshsonglists.com
137.63.69.102	PTR	lifevalentine.com
137.63.71.2	PTR	antiplant.com
137.63.71.10	PTR	dejentel.antiplant.com
137.63.71.18	PTR	varchar.antiplant.com
137.63.71.50	A	america.all.vpn.airdns.org
137.63.71.66	A	gw1.ca.ivpn.net
137.63.71.66	A	ca.gw.ivpn.net
137.63.71.68	A+PTR	137.63.71.68.adsl.inet-telecom.org
137.63.71.102	PTR	sosial.omnifactory.com
137.63.71.194	PTR	jobbuddy.metrolocale.com
137.63.71.202	PTR	nsswitchconf.net
137.63.71.206	PTR	jobtv.nsswitchconf.net
137.63.71.226	A	mail.homeimprovementrocks.com
137.63.71.226	A	mydepot.ca
137.63.71.226	A	arrestjosephcarswell.com
137.63.72.30	PTR	polska.husbandryinsight.com
137.63.72.42	PTR	betis.omgtrust.com
137.63.73.122	PTR	mlntrme.yourotation.biz
137.63.74.26	PTR	imi.localeplus.net
137.63.74.178	PTR	aussi.quotagrpadmins.org
137.63.74.178	A	zoomsoft.net
137.63.74.178	A	accu-tax.ca
137.63.74.195	A	ns4.accezatech.com
137.63.74.216	A	sincosbd-com.accezatech.info
137.63.74.216	A	zoomsoft-net.accezatech.info
137.63.74.216	A	netexcel-com-bd.accezatech.info
137.63.78.26	PTR	revolvin.com
137.63.78.68	A	mail.creamsupport.com
137.63.78.89	A	mail.tnsofsw.com
137.63.78.89	A	tonsofsweeties.com
137.63.78.89	A	tnsofsw.com