Robtex

Up: 63.66.46.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 63.66.47.0/25
Down right: 63.66.47.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
63.66.47.1	A+PTR	prodgw2.prod.gliconline.com
63.66.47.33	A+PTR	nbtvmrpm1p.prod.gliconline.com
63.66.47.45	A	wwwold.glicmobile.com
63.66.47.49	A+PTR	ecp360_1.glicmobile.com
63.66.47.50	A+PTR	lifefw1ps.prod.gliconline.com
63.66.47.51	PTR	lifefw2ps.prod.gliconline.com
63.66.47.52	PTR	lifefw3ps.prod.gliconline.com
63.66.47.53	PTR	lifefw4ps.prod.gliconline.com
63.66.47.70	A	ecpwebs.prod.gliconline.com
63.66.47.71	PTR	lifefwps.prod.gliconline.com
63.66.47.72	PTR	lifefwpsc.prod.gliconline.com
63.66.47.73	A+PTR	pasfwps01.parkavenuesecurities.com
63.66.47.74	A+PTR	pasfwps02.parkavenuesecurities.com
63.66.47.83	A+PTR	gbtvmlifeapp3p.glic.com
63.66.47.94	PTR	lifefwtmp1n.prod.gliconline.com
63.66.47.95	PTR	lifefwtmp2n.prod.gliconline.com
63.66.47.129	A+PTR	prodgw2.prod.gliconline.com
63.66.47.130	A+PTR	dev_401k.guardianlife.com
63.66.47.131	PTR	inetds3.prod.gliconline.com
63.66.47.132	PTR	life7206-1.prod.gliconline.com
63.66.47.133	A+PTR	life7206-2.prod.gliconline.com
63.66.47.134	PTR	nrosbcextvip1.prod.gliconline.com
63.66.47.135	A+PTR	nrosbcextvip2.glicmobile.com
63.66.47.136	A+PTR	inet-vrrp.prod.gliconline.com
63.66.47.138	PTR	stpnat.prod.gliconline.com
63.66.47.139	A+PTR	gatekeeperpa.video.glic.com
63.66.47.139	A	video.glic.com
63.66.47.140	A+PTR	dns1p.prod.gliconline.com
63.66.47.141	A+PTR	lifefw1pu.prod.gliconline.com
63.66.47.142	A+PTR	lifefw2pu.prod.gliconline.com
63.66.47.143	PTR	scbpocnro-temp1.prod.gliconline.com
63.66.47.144	A+PTR	agencytestproxy.prod.gliconline.com
63.66.47.145	PTR	agencyproxy.prod.gliconline.com
63.66.47.146	PTR	pasfwps03.prod.gliconline.com
63.66.47.147	A+PTR	nrogss1.prod.gliconline.com
63.66.47.148	A+PTR	nrogss2.prod.gliconline.com
63.66.47.149	PTR	nrosbcextnode1.prod.gliconline.com
63.66.47.150	PTR	ctx.prod.gliconline.com
63.66.47.151	PTR	nropacketeer3.prod.gliconline.com
63.66.47.152	PTR	lifefwpu.prod.gliconline.com
63.66.47.152	A	lifefw2pu.prod.gliconline.com
63.66.47.153	PTR	lifefwpuc.prod.gliconline.com
63.66.47.154	PTR	lifepasdr.prod.gliconline.com
63.66.47.155	PTR	nrosbcextnode2.prod.gliconline.com
63.66.47.156	PTR	pasprint1.prod.gliconline.com
63.66.47.162	PTR	www3prod.glic.com
63.66.47.162	PTR	401k.guardianlife.com
63.66.47.162	PTR	www.guardianonline.com
63.66.47.163	PTR	reserved-tony_louie.glic.com
63.66.47.164	A+PTR	fwint.glic.com
63.66.47.165	A+PTR	supportcenterprod.guardianlife.com
63.66.47.166	A+PTR	www6prod.glic.com
63.66.47.166	A	www6.glic.com
63.66.47.168	PTR	premiertemp1.glic.com
63.66.47.169	A+PTR	download.glic.com
63.66.47.170	PTR	premiertemp2.glic.com
63.66.47.171	PTR	accessdental.com
63.66.47.171	PTR	www.accessdental.com
63.66.47.171	A+PTR	premiertemp3.glic.com
63.66.47.172	PTR	bluehillsdental.com
63.66.47.172	A+PTR	wwwprod-new.accessdental.com
63.66.47.172	A+PTR	premiertemp4.glic.com
63.66.47.174	PTR	lifeblackberry.prod.gliconline.com
63.66.47.175	A+PTR	inotesprod.glic.com
63.66.47.176	PTR	wwwprod.manageddentalcare.net
63.66.47.176	A	www.manageddentalcare.net
63.66.47.177	A+PTR	premiertemp6.guardianlife.com
63.66.47.177	A+PTR	apisvc.glic.com
63.66.47.178	A+PTR	premiertemp7.guardianlife.com
63.66.47.179	A+PTR	prodwww5.glic.com
63.66.47.180	A+PTR	testprod.manageddentalcare.net
63.66.47.181	A+PTR	wwwprod.guardianflexplan.com
63.66.47.181	A	www.guardianflexplan.com
63.66.47.183	A+PTR	www7prod.glic.com
63.66.47.183	A	www7.glic.com
63.66.47.184	A+PTR	www8prod.glic.com
63.66.47.185	A+PTR	www9prod.glic.com
63.66.47.186	A+PTR	openconnect.glic.com
63.66.47.187	A+PTR	www10prod.glic.com
63.66.47.188	A+PTR	esafwvvrp.glic.com
63.66.47.189	A+PTR	esafw1p.glic.com
63.66.47.190	A+PTR	esafw2p.glic.com
63.66.47.194	PTR	nrovpnra3
63.66.47.195	A+PTR	mail9.glic.com
63.66.47.196	A+PTR	mail5-1.glic.com
63.66.47.197	A+PTR	email01.guardianmailrelay.com
63.66.47.198	PTR	mail5.glic.com
63.66.47.198	A	mail5.scullyfinancial.com
63.66.47.198	A	mail.berkshirelife.com
63.66.47.199	A+PTR	transfer.glic.com
63.66.47.200	A+PTR	mail4.glic.com
63.66.47.200	A	mail4.proviser.us
63.66.47.200	A	mail2.berkshirelife.com
63.66.47.201	A+PTR	vpn1.berkshirelife.com
63.66.47.202	A+PTR	sslpoc1.glic.com
63.66.47.203	A+PTR	sslvpn.glic.com
63.66.47.205	A+PTR	nsc-r.berkshirelife.com
63.66.47.206	A+PTR	ggmail1.glic.com
63.66.47.211	A+PTR	fwint.glic.com
63.66.47.212	A+PTR	fwint.glic.com
63.66.47.213	A+PTR	o365gw.glic.com
63.66.47.214	A+PTR	mail2.glic.com
63.66.47.215	PTR	nrosslvpn2p-outside.glic.com
63.66.47.216	A+PTR	mail3.glic.com
63.66.47.217	A+PTR	nsc-r1.glic.com
63.66.47.218	A+PTR	quarantine.glic.com
63.66.47.219	A+PTR	nsc-r2.glic.com
63.66.47.221	A+PTR	inetds3-int2.glic.com
63.66.47.222	A+PTR	life7206-1-int2.glic.com
63.66.47.226	PTR	lifefw3pd.prod.gliconline.com
63.66.47.227	A+PTR	lifefw4pd.prod.gliconline.com
63.66.47.230	PTR	lifefwpdc.prod.gliconline.com
63.66.47.241	A+PTR	inetds3-ace.prod.gliconline.com
63.66.47.242	A+PTR	fwint.prod.gliconline.com
63.66.47.243	A+PTR	nroace1p.prod.gliconline.com
63.66.47.244	A+PTR	nroace2p.prod.gliconline.com
63.66.47.245	PTR	nrofirepass2.prod.gliconline.com
63.66.47.246	A+PTR	ssl.glic.com
63.66.47.247	PTR	nrotestvpn1.prod.gliconline.com
63.66.47.248	PTR	connectra.prod.gliconline.com
63.66.47.250	PTR	vpn-nro.prod.gliconline.com
63.66.47.251	PTR	inetds3-int3.prod.gliconline.com
63.66.47.252	PTR	life7206-1-int3.prod.gliconline.com
63.66.47.253	PTR	iu-exchange
63.66.47.254	PTR	iu-vpn