Robtex

Up: 192.84.18.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 192.84.18.0/25
Down right: 192.84.18.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
192.84.18.11	PTR	192-84-18-11.8x8.com
192.84.18.11	A	ns1.8x8.com
192.84.18.11	A	ns5.packet8.net
192.84.18.14	PTR	192-84-18-14.8x8.com
192.84.18.14	A	pcsbc.packet8.net
192.84.18.14	A	pcsbc-eq.packet8.net
192.84.18.29	PTR	192-84-18-29.8x8.com
192.84.18.29	A	pancfg.8x8.com
192.84.18.34	A	salesorder.8x8.com
192.84.18.35	PTR	192-84-18-35.8x8.com
192.84.18.35	A	mailproxy.8x8.com
192.84.18.40	PTR	192-84-18-40.8x8.com
192.84.18.40	A	192-84-18-158.8x8.com
192.84.18.40	A	8-28-2-58.8x8.com
192.84.18.41	PTR	192-84-18-41.8x8.com
192.84.18.41	A	sims.8x8.com
192.84.18.41	A	vmstore.8x8.com
192.84.18.42	A	agents.8x8.com
192.84.18.46	PTR	192-84-18-46.8x8.com
192.84.18.46	A	www.packet8.net
192.84.18.53	PTR	192-84-18-53.8x8.com
192.84.18.53	A	vvm.8x8.com
192.84.18.58	PTR	192-84-18-58.8x8.com
192.84.18.58	A	accountmanager.8x8.com
192.84.18.60	PTR	192-84-18-60.8x8.com
192.84.18.60	A	www.get8x8.com
192.84.18.60	A	get8x8.com
192.84.18.62	PTR	192-84-18-62.8x8.com
192.84.18.62	A	myaccount.8x8.com
192.84.18.67	A	vm.8x8.com
192.84.18.71	PTR	192-84-18-71.8x8.com
192.84.18.71	A	apimgr.8x8.com
192.84.18.79	A	contactapp.8x8.com
192.84.18.97	PTR	192-84-18-97.8x8.com
192.84.18.97	A	platform-int.8x8.com
192.84.18.100	PTR	192-84-18-100.8x8.com
192.84.18.100	A	vodssbc.8x8.com
192.84.18.103	PTR	192-84-18-103.8x8.com
192.84.18.103	A	ylpxy.packet8.net
192.84.18.107	PTR	192-84-18-107.8x8.com
192.84.18.107	A	pcsbc.packet8.net
192.84.18.107	A	pcsbc-eq.packet8.net
192.84.18.108	PTR	192-84-18-108.8x8.com
192.84.18.108	A	aaa.8x8.com
192.84.18.110	A	ucus.8x8.com
192.84.18.113	A	swbpro.8x8.com
192.84.18.113	A	capi.8x8.com
192.84.18.114	A	swbpro.8x8.com
192.84.18.114	A	capi.8x8.com
192.84.18.117	PTR	192-84-18-117.8x8.com
192.84.18.117	A	pcsbc.packet8.net
192.84.18.117	A	pcsbc-eq.packet8.net
192.84.18.148	PTR	192-84-18-148.8x8.com
192.84.18.153	PTR	192-84-18-153.8x8.com
192.84.18.158	PTR	192-84-18-158.8x8.com
192.84.18.158	A	pcsbc-eq.packet8.net
192.84.18.160	A	pccfg.8x8.com
192.84.18.161	PTR	192-84-18-161.8x8.com
192.84.18.161	A	lscfg.8x8.com
192.84.18.162	PTR	192-84-18-162.8x8.com
192.84.18.162	A	cpemgr.packet8.net
192.84.18.162	A	ip.packet8.net
192.84.18.163	PTR	192-84-18-163.8x8.com
192.84.18.163	A	ylpxy.packet8.net
192.84.18.172	A	pcmb.8x8.com
192.84.18.193	PTR	192-84-18-193.8x8.com
192.84.18.193	A	ylpxy.packet8.net
192.84.18.194	PTR	192-84-18-194.8x8.com
192.84.18.199	PTR	192-84-18-199.8x8.com
192.84.18.199	A	web03-eq.p8t.us
192.84.18.200	A	cb.8x8.com
192.84.18.210	A+PTR	192-84-18-210.8x8.com
192.84.18.210	A	8-28-2-248.8x8.com
192.84.18.211	PTR	192-84-18-211.8x8.com
192.84.18.211	A	sd.8x8.com
192.84.18.230	PTR	192-84-18-230.8x8.com