Robtex

Up: 42.117.8.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 42.117.8.0/23
Down right: 42.117.10.0/23

IP	Type	Hostname
42.117.9.23	A	dc-7e905ee6.fimhd.tv
42.117.9.32	A	itv.vn
42.117.9.198	A	media-cdn.startalk.vn
42.117.10.12	PTR	cache.google.com
42.117.10.12	A	r1---sn-42u-nbo6.googlevideo.com
42.117.10.12	A	r1.sn-42u-nbo6.googlevideo.com
42.117.10.13	A	r2---sn-42u-nbo6.googlevideo.com
42.117.10.13	A	r2.sn-42u-nbo6.googlevideo.com
42.117.10.14	PTR	cache.google.com
42.117.10.15	PTR	cache.google.com
42.117.10.16	PTR	cache.google.com
42.117.10.16	A	r5.sn-42u-nbo6.gvt1.com
42.117.10.16	A	r5.sn-42u-nbo6.googlevideo.com
42.117.10.17	A	r6.sn-42u-nbo6.gvt1.com
42.117.10.18	PTR	cache.google.com
42.117.10.18	A	r7.sn-42u-nbo6.gvt1.com
42.117.10.19	PTR	cache.google.com
42.117.10.55	A	webtuvan.com
42.117.10.76	PTR	cache.google.com
42.117.10.76	A	r1.sn-42u-nbod.gvt1.com
42.117.10.76	A	r1---sn-42u-nbod.googlevideo.com
42.117.10.77	PTR	cache.google.com
42.117.10.77	A	r2---sn-42u-nbod.googlevideo.com
42.117.10.77	A	r2.sn-42u-nbod.gvt1.com
42.117.10.78	PTR	cache.google.com
42.117.10.80	A	r5---sn-42u-nbod.googlevideo.com
42.117.10.80	A	r5.sn-42u-nbod.googlevideo.com
42.117.10.80	A	r5.sn-42u-nbod.gvt1.com
42.117.10.81	PTR	cache.google.com
42.117.10.81	A	r6---sn-42u-nbod.googlevideo.com
42.117.10.140	A	r1---sn-42u-nbok.googlevideo.com
42.117.10.140	A	r1.sn-42u-nbok.gvt1.com
42.117.10.141	A	r2---sn-42u-nbok.gvt1.com
42.117.10.141	A	r2---sn-42u-nbok.googlevideo.com
42.117.10.144	A	r5---sn-42u-nbok.googlevideo.com
42.117.10.144	A	r5.sn-42u-nbok.gvt1.com
42.117.10.144	A	r5.sn-42u-nbok.googlevideo.com
42.117.10.146	A	r7---sn-42u-nbok.googlevideo.com
42.117.10.148	A	blueteks.com
42.117.10.148	A	bizcomail.com
42.117.10.177	A	imusicvn.com
42.117.11.126	A	speedtest09.fpt.vn
42.117.11.130	A	speedtest07.fpt.vn