Robtex

Up: 112.133.224.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 112.133.228.0/23
Down right: 112.133.230.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
112.133.228.76	PTR	cache.google.com
112.133.228.76	A	r1.sn-g5pauxapo-cage.googlevideo.com
112.133.228.77	PTR	cache.google.com
112.133.228.77	A	r2.sn-g5pauxapo-cage.googlevideo.com
112.133.228.78	PTR	cache.google.com
112.133.228.78	A	r3.sn-g5pauxapo-cage.googlevideo.com
112.133.228.78	A	r3.sn-g5pauxapo-cage.gvt1.com
112.133.228.140	PTR	cache.google.com
112.133.228.140	A	r1.sn-g5pauxapo-itqe.gvt1.com
112.133.228.140	A	r1.sn-g5pauxapo-itqe.googlevideo.com
112.133.228.141	PTR	cache.google.com
112.133.228.141	A	r2.sn-g5pauxapo-itqe.googlevideo.com
112.133.228.141	A	r2.sn-g5pauxapo-itqe.gvt1.com
112.133.228.142	PTR	cache.google.com
112.133.228.183	PTR	cache.google.com
112.133.230.36	A	cams.epfoservices.com
112.133.230.40	A	tutorials.epfoservices.com
112.133.230.43	A	search.epfindia.gov.in
112.133.230.44	A	oeoea.epfoservices.com
112.133.230.48	A	search.epfoservices.org
112.133.230.49	A	passbook.epfindia.gov.in
112.133.230.50	A	iwu.epfindia.gov.in
112.133.230.60	A	hr.epfindia.gov.in
112.133.230.89	A	skynetdigitalservices.in
112.133.230.192	A	www.railtelindia.in
112.133.230.192	A	rcil.gov.in
112.133.230.193	A	www.railtelindia.in
112.133.230.193	A	www.railtel.in
112.133.230.193	A	railtelindia.in
112.133.230.196	A+PTR	mail.nhsrcl.in
112.133.230.197	A	ns3.ggn.rcil.gov.in
112.133.231.18	A	kol.speedtest.rcil.gov.in
112.133.231.33	A	bcclvts.in
112.133.231.35	A	infoebill.com
112.133.231.81	A	juslns1.jusl.ac.in
112.133.231.215	A	ezproxy.jdvu.ac.in
112.133.231.232	A+PTR	dns2.jdvu.ac.in
112.133.231.233	PTR	admin.jdvu.ac.in
112.133.231.233	PTR	mail.jdvu.ac.in
112.133.231.233	PTR	mail3.jdvu.ac.in