Robtex

Up: 112.197.0.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 112.197.4.0/23
Down right: 112.197.6.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
112.197.5.3	A+PTR	hcm-dns1.sctv.vn
112.197.5.4	A+PTR	dns2-hcm.sctv.vn
112.197.5.5	PTR	www.sctv.vn
112.197.5.5	A	www.tv24.vn
112.197.5.18	A+PTR	mail.sctv.vn
112.197.5.18	A	smtp.sctv.vn
112.197.5.54	A	matbaosoftware.com
112.197.5.204	PTR	cache.google.com
112.197.5.204	A	r1.sn-n5pbvoj5caxu8-nbod.gvt1.com
112.197.5.204	A	r1---sn-n5pbvoj5caxu8-nbod.googlevideo.com
112.197.5.205	PTR	cache.google.com
112.197.5.205	A	r2---sn-n5pbvoj5caxu8-nbod.googlevideo.com
112.197.5.206	PTR	cache.google.com
112.197.5.207	PTR	cache.google.com
112.197.6.12	PTR	cache.google.com
112.197.6.12	A	r1.sn-n5pbvoj5caxu8-8ube.gvt1.com
112.197.6.12	A	r1.sn-n5pbvoj5caxu8-8ube.googlevideo.com
112.197.6.13	PTR	cache.google.com
112.197.6.13	A	r2.sn-n5pbvoj5caxu8-8ube.gvt1.com
112.197.6.13	A	r2.sn-n5pbvoj5caxu8-8ube.googlevideo.com
112.197.6.14	PTR	cache.google.com
112.197.7.76	PTR	cache.google.com
112.197.7.76	A	r1.sn-n5pbvoj5caxu8-nbol.googlevideo.com
112.197.7.76	A	r1---sn-n5pbvoj5caxu8-nbol.googlevideo.com
112.197.7.77	PTR	cache.google.com
112.197.7.77	A	r2.sn-n5pbvoj5caxu8-i2ie.googlevideo.com
112.197.7.78	PTR	cache.google.com
112.197.7.79	PTR	cache.google.com
112.197.7.232	PTR	smtp.scj.vn
112.197.7.243	PTR	smtp1.scj.vn
112.197.7.244	A+PTR	smtp2.scj.vn
112.197.7.245	A	smtp3.scj.vn
112.197.7.246	A	smtp4.scj.vn