Robtex

Up: 116.206.32.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 116.206.36.0/23
Down right: 116.206.38.0/23

IP	Type	Hostname
116.206.36.22	A+PTR	subs40-116-206-36-22.three.co.id
116.206.36.37	A+PTR	subs40-116-206-36-37.three.co.id
116.206.36.50	A+PTR	subs40-116-206-36-50.three.co.id
116.206.39.64	A+PTR	subs43-116-206-39-64.three.co.id
116.206.39.73	A+PTR	subs43-116-206-39-73.three.co.id
116.206.39.145	A+PTR	subs43-116-206-39-145.three.co.id
116.206.39.145	A	scontent.ftkg1-1.fna.fbcdn.net
116.206.39.146	A+PTR	subs43-116-206-39-146.three.co.id
116.206.39.146	A	video.ftkg1-1.fna.fbcdn.net
116.206.39.161	A+PTR	subs43-116-206-39-161.three.co.id
116.206.39.161	A	instagram.ftkg1-1.fna.fbcdn.net
116.206.39.162	A+PTR	subs43-116-206-39-162.three.co.id
116.206.39.162	A	media.ftkg1-1.fna.whatsapp.net