Robtex

Up: 206.29.160.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 206.29.160.0/21
Down right: 206.29.168.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
206.29.160.130	A+PTR	my-t-mobile.com
206.29.160.130	A+PTR	tmoredirects.t-mobile.com
206.29.160.130	A	verygoodday.info
206.29.160.131	PTR	myistream.com
206.29.160.131	PTR	www.myistream.com
206.29.160.131	A+PTR	mytredirects.t-mobile.com
206.29.160.135	PTR	t-mobiledealerordering.com
206.29.161.23	A+PTR	eipverify.t-mobile.com
206.29.161.133	A+PTR	sdc.t-mobile.com
206.29.161.145	A	opensso.t-mobile.com
206.29.161.157	A	securecheckout.my.t-mobile.com
206.29.161.167	A+PTR	perception.t-mobile.com
206.29.162.141	A+PTR	nxprdapirn01.t-mobile.com
206.29.162.141	A+PTR	mx1.t-mobileorders.com
206.29.162.141	A+PTR	mx1.t-mobilesupport.com
206.29.162.142	A+PTR	nxprdapirn02.t-mobile.com
206.29.162.142	A+PTR	mx1.t-mobileorders.com
206.29.162.142	A+PTR	mx1.t-mobilesupport.com
206.29.162.143	PTR	nxprdapirn03.t-mobile.com
206.29.162.143	A+PTR	mx1.t-mobileorders.com
206.29.162.143	A+PTR	mx1.t-mobilesupport.com
206.29.162.144	A+PTR	nxprdapirn04.t-mobile.com
206.29.162.144	A+PTR	mx1.t-mobileorders.com
206.29.162.144	A+PTR	mx1.t-mobilesupport.com
206.29.165.57	A	mytmo13pdaext.test.t-mobile.com
206.29.168.71	A	jira.geo.t-mobile.com
206.29.168.210	A	rsa-ct-kip.geo.t-mobile.com
206.29.168.228	A	sip.t-mobile.com
206.29.168.250	A	emm-apps.polaris.t-mobile.com
206.29.168.252	A	maps.geo.t-mobile.com
206.29.169.11	A	manage.mytmo.geo.t-mobile.com
206.29.169.12	A	manage.mytmo.geo.t-mobile.com
206.29.169.12	A	pb-manage.my.t-mobile.com
206.29.169.108	A	p.manage.my.t-mobile.com
206.29.169.120	A	businesscenter.t-mobile.com
206.29.169.121	A	emm-remo.polaris.t-mobile.com
206.29.169.122	A	sts3.t-mobile.com
206.29.169.142	A	meet.t-mobile.com
206.29.169.142	A	lyncdiscover.t-mobile.com
206.29.169.142	A	lyncweb0.t-mobile.com
206.29.169.146	A	econtent.t-mobile.com
206.29.169.159	A	appd-eum.geo.t-mobile.com
206.29.169.246	A	thebraintm.com
206.29.169.246	A	www.thebraintm.com
206.29.169.248	A	trs.t-mobile.com
206.29.169.250	A	tam.geo.t-mobile.com
206.29.171.251	A	emm-tst-apps.t-mobile.com