Robtex

Up: 110.138.224.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 110.138.224.0/23
Down right: 110.138.226.0/23

IP	Type	Hostname
110.138.224.81	PTR	81.subnet110-138-224.speedy.telkom.net.id
110.138.224.135	PTR	135.subnet110-138-224.speedy.telkom.net.id
110.138.224.139	PTR	139.subnet110-138-224.speedy.telkom.net.id
110.138.224.146	PTR	146.subnet110-138-224.speedy.telkom.net.id
110.138.224.161	PTR	161.subnet110-138-224.speedy.telkom.net.id
110.138.224.208	PTR	208.subnet110-138-224.speedy.telkom.net.id
110.138.224.212	PTR	212.subnet110-138-224.speedy.telkom.net.id
110.138.225.58	PTR	58.subnet110-138-225.speedy.telkom.net.id
110.138.225.64	PTR	64.subnet110-138-225.speedy.telkom.net.id
110.138.225.69	PTR	69.subnet110-138-225.speedy.telkom.net.id
110.138.225.80	PTR	80.subnet110-138-225.speedy.telkom.net.id
110.138.225.89	PTR	89.subnet110-138-225.speedy.telkom.net.id
110.138.225.153	PTR	153.subnet110-138-225.speedy.telkom.net.id
110.138.226.18	PTR	18.subnet110-138-226.speedy.telkom.net.id
110.138.226.32	PTR	32.subnet110-138-226.speedy.telkom.net.id
110.138.226.88	PTR	88.subnet110-138-226.speedy.telkom.net.id
110.138.226.142	PTR	142.subnet110-138-226.speedy.telkom.net.id
110.138.226.150	PTR	150.subnet110-138-226.speedy.telkom.net.id
110.138.226.155	PTR	155.subnet110-138-226.speedy.telkom.net.id
110.138.226.168	PTR	168.subnet110-138-226.speedy.telkom.net.id
110.138.226.173	A	sisterdikti-uyp.ddns.net
110.138.227.8	PTR	8.subnet110-138-227.speedy.telkom.net.id
110.138.227.29	PTR	29.subnet110-138-227.speedy.telkom.net.id
110.138.227.37	PTR	37.subnet110-138-227.speedy.telkom.net.id
110.138.227.95	PTR	95.subnet110-138-227.speedy.telkom.net.id
110.138.227.119	PTR	119.subnet110-138-227.speedy.telkom.net.id
110.138.227.139	PTR	139.subnet110-138-227.speedy.telkom.net.id
110.138.227.190	PTR	190.subnet110-138-227.speedy.telkom.net.id
110.138.227.214	PTR	214.subnet110-138-227.speedy.telkom.net.id