Robtex

Up: 203.81.96.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 203.81.96.0/21
Down right: 203.81.104.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.81.96.12	A	r1.sn-a5o35cxaa-jhcl.googlevideo.com
203.81.96.13	PTR	lankabell-cmb2.google.com
203.81.96.13	A	r2.sn-a5o35cxaa-jhcl.gvt1.com
203.81.96.13	A	r2.sn-a5o35cxaa-jhcl.googlevideo.com
203.81.96.81	PTR	fcmb5-1.fna.lankabell.com
203.81.96.81	A	scontent.fcmb5-1.fna.fbcdn.net
203.81.96.82	PTR	fcmb5-1.fna.lankabell.com
203.81.96.82	A	video.fcmb5-1.fna.fbcdn.net
203.81.96.97	PTR	fcmb5-1.fna.lankabell.com
203.81.96.97	A	instagram.fcmb5-1.fna.fbcdn.net
203.81.96.98	PTR	fcmb5-1.fna.lankabell.com
203.81.96.98	A	media.fcmb5-1.fna.whatsapp.net
203.81.99.103	A	net.abansgroup.com
203.81.99.106	A	mail.singhagiri.lk
203.81.99.133	A	dmz22.aitkenspence.lk
203.81.99.235	A	mail.lankem.lk
203.81.100.90	A+PTR	mail.immigration.gov.lk
203.81.100.201	PTR	mahaweli.sierra.lk
203.81.100.202	A	marina333.com
203.81.102.35	A	hayleyssolar.lk
203.81.104.1	PTR	gw.lankabell.com
203.81.104.13	A+PTR	whs.stassengroup.com
203.81.104.13	A	www.stassen.lk
203.81.104.13	A	*.stassengroup.com
203.81.104.21	PTR	mail.orientgl.com
203.81.104.21	A	mail.ulagallaresorts.com
203.81.104.25	A+PTR	ns.lankabell.com
203.81.104.201	A	learntv.lk
203.81.104.201	A	vhec.lk
203.81.104.201	A	mail.metta.lk
203.81.104.230	PTR	mgw3.lankabell.com
203.81.104.230	A	mgw4.lankabell.com
203.81.107.33	PTR	broadband.pool33.bellsolutions.lk
203.81.107.34	PTR	broadband.pool34.bellsolutions.lk
203.81.107.50	PTR	broadband.pool50.bellsolutions.lk
203.81.107.51	PTR	broadband.pool51.bellsolutions.lk
203.81.107.64	PTR	broadband.pool64.bellsolutions.lk
203.81.107.113	PTR	broadband.pool113.bellsolutions.lk
203.81.107.115	PTR	broadband.pool115.bellsolutions.lk
203.81.107.147	PTR	broadband.pool147.bellsolutions.lk
203.81.107.225	PTR	broadband.pool225.bellsolutions.lk
203.81.108.130	PTR	mail.lbn.lk
203.81.108.146	PTR	mail.icta.lk
203.81.109.3	A	www.srilankacallhome.com
203.81.109.11	A	srilankacallhome.net
203.81.109.11	A	www.srilankacallhome.net