Robtex

Up: 206.29.176.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 206.29.176.0/23
Down right: 206.29.178.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
206.29.176.28	A	branded2.t-mobile.com
206.29.176.35	A+PTR	vcep2182.t-mobile.com
206.29.176.35	A	polaris.t-mobile.com
206.29.176.35	A	vpn.geo.t-mobile.com
206.29.176.44	PTR	citrixweb.t-mobile.com
206.29.176.44	A+PTR	ctxwebapps.t-mobile.com
206.29.176.50	A+PTR	inetp-ohn-pol01.t-mobile.com
206.29.176.51	A+PTR	inetp-ohn-pol02.t-mobile.com
206.29.176.52	A+PTR	inetp-ohn-pol03.t-mobile.com
206.29.176.53	A+PTR	inetp-ohn-pol04.t-mobile.com
206.29.176.57	A	branded.t-mobile.com
206.29.176.74	A+PTR	wwxpol01.t-mobile.com
206.29.176.75	A+PTR	wwxpol02.t-mobile.com
206.29.176.129	A+PTR	testicam.t-mobile.com
206.29.176.129	A	qvxp-sell.t-mobile.com
206.29.176.130	A	secure-checkout.t-mobile.com
206.29.176.130	A	secure-checkout.geo.t-mobile.com
206.29.176.132	A	tmag.geo.t-mobile.com
206.29.176.133	A	www1.myfamilymobile.com
206.29.176.133	A	qvxp-serve.t-mobile.com
206.29.176.135	A+PTR	myworklife.t-mobile.com
206.29.176.140	A	sentry-ext.geo.t-mobile.com
206.29.176.141	A+PTR	watson3.t-mobile.com
206.29.176.141	PTR	watson.voicestream.com
206.29.176.141	PTR	watson3.voicestream.com
206.29.176.148	A+PTR	dm.my.t-mobile.com
206.29.176.152	A	www.t-mobiledealerordering.com
206.29.176.159	A+PTR	tap.t-mobile.com
206.29.176.160	PTR	extranet.t-mobile.com
206.29.176.170	A	quikview.geo.t-mobile.com
206.29.176.174	A	qvxp.geo.t-mobile.com
206.29.176.174	A	qvxp.t-mobile.com
206.29.176.184	A	p.manage.my.t-mobile.com
206.29.177.6	A+PTR	pcmbo.t-mobile.com
206.29.177.8	A	theunapp.com
206.29.177.8	A	un-app.com
206.29.177.8	A	theun-app.com
206.29.177.10	A	www.t-mobileusa.jobs
206.29.177.11	PTR	ebill-p.t-mobile.com
206.29.177.12	PTR	personalcoveragecheck.com
206.29.177.12	PTR	www.tmail.com
206.29.177.12	A	www.t-mobile-localspot.us
206.29.177.14	PTR	epin.t-mobile.com
206.29.177.20	A+PTR	eip.t-mobile.com
206.29.177.20	A	eip.geo.t-mobile.com
206.29.177.21	PTR	sts.t-mobile.com
206.29.177.24	A+PTR	heatmap.t-mobile.com
206.29.177.25	A	rap.geo.t-mobile.com
206.29.177.27	A	trs.t-mobile.com
206.29.177.35	A	tam.t-mobile.com
206.29.177.42	A+PTR	lcat.t-mobile.com
206.29.177.46	A+PTR	test.callertunes.com
206.29.177.47	PTR	pda.callertunes.com
206.29.177.54	A+PTR	mdm-dev.t-mobile.com
206.29.177.59	A	signalboosterregistration.com
206.29.177.59	A	www.signalboosterregistration.com
206.29.177.130	A+PTR	ns3.t-mobile.com
206.29.177.131	A+PTR	geo5.t-mobile.com
206.29.177.228	A+PTR	mail01.myfamilymobile.com
206.29.177.228	A+PTR	mail01.t-mobile.com
206.29.177.228	A+PTR	mail01.t-mobileorders.com
206.29.177.229	A+PTR	mail01.myfamilymobile.com
206.29.177.229	A+PTR	mail01.t-mobile.com
206.29.177.229	A+PTR	mail01.t-mobileorders.com
206.29.177.230	A+PTR	mail01.myfamilymobile.com
206.29.177.230	A+PTR	mail01.t-mobile.com
206.29.177.230	A+PTR	mail01.t-mobileorders.com
206.29.177.231	A+PTR	mail01.myfamilymobile.com
206.29.177.231	A+PTR	mail01.t-mobile.com
206.29.177.231	A+PTR	mail01.t-mobileorders.com
206.29.177.233	A+PTR	sjc-expressway-edge-01.t-mobile.com
206.29.177.233	A+PTR	vcsepolaris.t-mobile.com
206.29.177.233	A+PTR	vcsepolaris01.t-mobile.com
206.29.177.234	A+PTR	vcsepolaris.t-mobile.com
206.29.177.234	A+PTR	vcsepolaris02.t-mobile.com
206.29.177.234	PTR	sjc-expressway-edge-01.gsm1900.org
206.29.177.235	PTR	ppxext.t-mobile.com
206.29.177.242	A+PTR	prdapcqc01.t-mobile.com
206.29.177.243	PTR	t-mobilesupport.com
206.29.177.243	A+PTR	mail1.gosmartmobile.com
206.29.177.243	PTR	mail1.myfamilymobile.com
206.29.177.244	PTR	t-mobilesupport.com
206.29.177.244	A+PTR	mail1.gosmartmobile.com
206.29.177.244	PTR	mail1.myfamilymobile.com
206.29.177.245	PTR	t-mobilesupport.com
206.29.177.245	A+PTR	mail1.gosmartmobile.com
206.29.177.245	PTR	mail1.myfamilymobile.com
206.29.177.246	PTR	t-mobilesupport.com
206.29.177.246	A+PTR	mail1.gosmartmobile.com
206.29.177.246	PTR	mail1.myfamilymobile.com
206.29.177.247	PTR	t-mobilesupport.com
206.29.177.247	A+PTR	mail1.gosmartmobile.com
206.29.177.247	PTR	mail1.myfamilymobile.com
206.29.177.249	A+PTR	prdapbml06.t-mobile.com
206.29.177.250	PTR	maila.gosmartmobile.com
206.29.177.250	PTR	custmail.t-mobile.com
206.29.177.250	A+PTR	maila.t-mobile.com
206.29.177.251	PTR	maila.brightspotmobile.com
206.29.177.251	PTR	maila.gosmartmobile.com
206.29.177.251	PTR	custmail.t-mobile.com
206.29.177.252	PTR	maila.brightspotmobile.com
206.29.177.252	PTR	maila.gosmartmobile.com
206.29.177.252	PTR	custmail.t-mobile.com
206.29.177.253	PTR	maila.brightspotmobile.com
206.29.177.253	PTR	maila.gosmartmobile.com
206.29.177.253	PTR	custmail.t-mobile.com
206.29.178.17	A	ocsava.t-mobile.com
206.29.178.19	A+PTR	sippoc.t-mobile.com
206.29.178.26	A	meetpoc.t-mobile.com
206.29.178.26	A	lyncdiscover.t-mobile.com
206.29.178.40	A	geo8.t-mobile.com
206.29.178.41	A	ns6.t-mobile.com
206.29.178.71	A+PTR	ocsrpa.t-mobile.com
206.29.178.71	A+PTR	owa.t-mobile.com
206.29.178.91	A+PTR	webmail1.t-mobile.com
206.29.178.91	A	webmail2013.geo.t-mobile.com
206.29.178.93	PTR	autodiscover.t-mobile.com
206.29.178.93	PTR	webmail.t-mobile.com
206.29.178.195	A	co.morrow.or.us