Robtex

Up: 103.73.96.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 103.73.100.0/23
Down right: 103.73.102.0/23

IP	Type	Hostname
103.73.102.186	PTR	103-73-102-186.kkn.com.pk
103.73.102.242	A	speedtest.kknetworks.com.pk
103.73.103.146	A	scontent.flhe13-1.fna.fbcdn.net
103.73.103.148	A	video.flhe13-1.fna.fbcdn.net
103.73.103.158	A	sonar.flhe13-1.fna.fbcdn.net
103.73.103.162	A	instagram.flhe13-1.fna.fbcdn.net
103.73.103.163	A	sonar.flhe13-1.fna.whatsapp.net
103.73.103.163	A	media.flhe13-1.fna.whatsapp.net
103.73.103.204	A	r1.sn-33o2acq-aixe.googlevideo.com
103.73.103.205	A	r2.sn-33o2acq-aixe.googlevideo.com
103.73.103.205	A	r2.sn-33o2acq-aixe.gvt1.com
103.73.103.206	A	r3.sn-33o2acq-aixe.googlevideo.com