Robtex

Up: 70.32.128.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 70.32.128.0/22
Down right: 70.32.132.0/22

IP	Type	Hostname
70.32.128.32	PTR	tool1.dl2.admob.com
70.32.128.33	PTR	tool2.dl2.admob.com
70.32.128.34	PTR	tool4.dl2.admob.com
70.32.128.35	PTR	r104.dl2.admob.com
70.32.128.42	PTR	tool1a.dl2.admob.com
70.32.128.43	PTR	tool2a.dl2.admob.com
70.32.128.48	PTR	r106.dl2.admob.com
70.32.128.49	PTR	gfep104.dl2.admob.com
70.32.129.14	PTR	edge2.dl2.admob.com
70.32.130.32	A+PTR	tool2a.sc9.admob.com
70.32.130.35	PTR	ha107.sc9.admob.com
70.32.131.49	PTR	ge-1-3-0-edge1.sc9.admob.com
70.32.131.50	PTR	ge-0-0-43-crs1.sc9.admob.com
70.32.131.53	A	ge-1-3-0-edge2.sc9.admob.com
70.32.131.54	A	ge-0-0-43-crs2.sc9.admob.com
70.32.131.65	PTR	crs2.sc9.admob.com
70.32.131.66	PTR	crs3.sc9.admob.com
70.32.131.67	PTR	crs4.sc9.admob.com
70.32.131.201	PTR	ge-0-0-1-edge2.sc9.admob.com
70.32.131.202	PTR	ge-0-0-1-edge1.sc1.admob.com
70.32.132.5	PTR	vpn1.sc1.admob.com
70.32.132.33	PTR	tool2.sc1.admob.com
70.32.132.34	PTR	tool4.sc1.admob.com
70.32.132.41	PTR	r104.sc1.admob.com
70.32.132.43	PTR	mm103.sc1.admob.com
70.32.132.48	PTR	tx101.sc1.admob.com
70.32.132.50	PTR	web102.sc1.admob.com
70.32.132.58	PTR	r1.vip.sc1.admob.com
70.32.132.59	PTR	clk1.vip.sc1.admob.com
70.32.132.64	PTR	gfep103.sc1.admob.com
70.32.133.13	PTR	edge1.sc1.admob.com
70.32.133.14	PTR	edge2.sc1.admob.com
70.32.133.49	PTR	ge-1-3-0-edge1.sc1.admob.com
70.32.133.58	PTR	ge-0-0-47-gsw1.sc1.admob.com
70.32.133.61	PTR	ge-0-0-23-crs1.sc1.admob.com
70.32.133.70	A	ge-0-0-1-crs1.sc1.admob.com
70.32.133.73	PTR	ge-0-0-2-edge2.sc1.admob.com
70.32.133.74	PTR	ge-1-0-1-crs1.sc1.admob.com
70.32.134.5	PTR	vpn1.am1.admob.com
70.32.134.31	PTR	r101.am1.admob.com
70.32.134.32	PTR	tool1.am1.admob.com
70.32.134.41	PTR	clk101.am1.admob.com
70.32.134.49	PTR	ha101.am1.admob.com
70.32.134.51	PTR	tool4.am1.admob.com
70.32.135.14	A	edge2.am1.admob.com
70.32.135.53	A+PTR	ge-1-3-0-edge2.am1.admob.com
70.32.135.73	PTR	ge-0-0-2-edge2.am1.admob.com