Robtex

Up: 206.29.160.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 206.29.160.0/22
Down right: 206.29.164.0/22
(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+PTR	mytmo13pdaext.test.t-mobile.com