Robtex

Up: 66.114.168.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 66.114.168.128/26
Down right: 66.114.168.192/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.114.168.128	PTR	xas-old.webex.com
66.114.168.129	A+PTR	msj1mcs101-vip.webex.com
66.114.168.130	A	msj1mcs101-ms-vip.webex.com
66.114.168.131	A+PTR	msj1mcs102-vip.webex.com
66.114.168.132	A+PTR	msj1mcs102-ms-vip.webex.com
66.114.168.133	PTR	msj1mcccl01.webex.com
66.114.168.133	A	global-msj1mcccl01.webex.com
66.114.168.133	A	sjc02-msj1mcccl01.webex.com
66.114.168.134	A	global-msj1mccsv01.webex.com
66.114.168.134	A	msj1mccsv01.webex.com
66.114.168.135	A+PTR	eaccb-vip.webex.com
66.114.168.137	A	galaxybts1.webex.com
66.114.168.142	A+PTR	gmsj1mcs101-vip.webex.com
66.114.168.143	A	gmsj1mcs101-ms-vip.webex.com
66.114.168.144	A+PTR	gmsj1mcs102-vip.webex.com
66.114.168.145	A+PTR	gmsj1mcs102-ms-vip.webex.com
66.114.168.146	A+PTR	gmsj1mcccl01.webex.com
66.114.168.146	PTR	mjp1mcccl01.webex.com
66.114.168.146	A	mid2mcccl01.webex.com
66.114.168.147	A+PTR	gmsj1mccsv01.webex.com
66.114.168.150	PTR	ezwwp.webex.com
66.114.168.151	PTR	eikwwp.webex.com
66.114.168.152	PTR	eimwwp.webex.com
66.114.168.155	PTR	eihwwp.webex.com
66.114.168.156	PTR	eijwwp.webex.com
66.114.168.160	PTR	iad01-wxp01-lb02a-mip.webex.com
66.114.168.160	PTR	msj1mcccl01.webex.com
66.114.168.160	A	msj1mcccl02.webex.com
66.114.168.161	A+PTR	msj1mccsv02.webex.com
66.114.168.162	A	gmsj1mcccl02.webex.com
66.114.168.163	A+PTR	gmsj1mccsv02.webex.com
66.114.168.166	A+PTR	mbts2mcccl02.webex.com
66.114.168.167	A+PTR	mbts2mccsv02.webex.com
66.114.168.168	A+PTR	eaccbmm10.webex.com
66.114.168.170	A+PTR	eaccbmm20.webex.com
66.114.168.179	PTR	xsj6tcvip.webex.com
66.114.168.180	A+PTR	sjc02-msj4mcccl01.webex.com
66.114.168.180	A	msj4mcccl01.webex.com
66.114.168.180	A	global-msj4mcccl01.webex.com
66.114.168.186	A+PTR	msj1mcs103-vip.webex.com
66.114.168.187	A+PTR	msj1mcs103-ms-vip.webex.com
66.114.168.188	A+PTR	msj1mcs104-vip.webex.com
66.114.168.189	A+PTR	msj1mcs104-ms-vip.webex.com
66.114.168.190	A+PTR	gmsj1mcs103-vip.webex.com
66.114.168.191	A+PTR	gmsj1mcs103-ms-vip.webex.com
66.114.168.192	A+PTR	gmsj1mcs104-vip.webex.com
66.114.168.193	A+PTR	gmsj1mcs104-ms-vip.webex.com
66.114.168.193	PTR	wapisda.webexconnect.com
66.114.168.198	PTR	nebulah-nongslb.webex.com
66.114.168.199	PTR	global-nebulaie.webex.com
66.114.168.199	PTR	sjc02-nebulaie.webex.com
66.114.168.199	A	enablemidstream.webex.com
66.114.168.201	PTR	global-nebulau.webex.com
66.114.168.201	PTR	sjc02-nebulau.webex.com
66.114.168.201	A	lshtd.webex.com
66.114.168.203	PTR	global-nebulaij.webex.com
66.114.168.203	PTR	sjc02-nebulaij.webex.com
66.114.168.203	A	drivecam.webex.com
66.114.168.205	PTR	msj2mcccl01.webex.com
66.114.168.205	A+PTR	sjc02-msj2mcccl01.webex.com
66.114.168.205	A	global-msj2mcccl01.webex.com
66.114.168.206	A+PTR	msj2mccsv01.webex.com
66.114.168.206	PTR	sjc02-msj2mccsv01.webex.com
66.114.168.206	A	global-msj2mccsv01.webex.com
66.114.168.207	A	msj2mcccl02.webex.com
66.114.168.208	A	msj2mccsv02.webex.com
66.114.168.212	A+PTR	global-nebulaac.webex.com
66.114.168.212	A	ciscosales.webex.com
66.114.168.212	A	nebulaac.webex.com
66.114.168.213	PTR	wbvwd.webex.com
66.114.168.216	PTR	wta1acd-bt-pri.webex.com
66.114.168.217	PTR	wta1acd-bt2-pri.webex.com
66.114.168.225	PTR	zsj1gmz002-ace.webex.com
66.114.168.232	PTR	jsj7wl.webex.com
66.114.168.233	PTR	galaxyb-nongslb.webex.com
66.114.168.236	A	lg.webex.com
66.114.168.238	A+PTR	nbts1msccl01.webex.com
66.114.168.239	A	nbts1msccl02.webex.com
66.114.168.240	A+PTR	nbts1mscsv01.webex.com
66.114.168.240	A	global-nbts1mscsv01.webex.com
66.114.168.241	A+PTR	nbts1mscsv02.webex.com
66.114.168.242	A+PTR	nbts1mss001-ms-vip.webex.com
66.114.168.243	A+PTR	nbts1mss002-ms-vip.webex.com
66.114.168.244	PTR	nbt1wss.webex.com
66.114.168.244	A+PTR	nbts1wss.webex.com
66.114.168.245	A	nbts1mss003-ms-vip.webex.com
66.114.168.246	A+PTR	nbts1mss004-ms-vip.webex.com
66.114.168.248	A+PTR	jbts1-jbts3-ees.webex.com
66.114.168.248	A	global-jbts1-jbts3-ees.webex.com
66.114.168.251	A+PTR	mbts21sjmcs101-ms-vip.webex.com