Robtex

Up: 110.138.248.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 110.138.252.0/23
Down right: 110.138.254.0/23

IP	Type	Hostname
110.138.252.3	PTR	3.subnet110-138-252.speedy.telkom.net.id
110.138.252.37	PTR	37.subnet110-138-252.speedy.telkom.net.id
110.138.252.40	PTR	40.subnet110-138-252.speedy.telkom.net.id
110.138.252.99	PTR	99.subnet110-138-252.speedy.telkom.net.id
110.138.252.164	PTR	164.subnet110-138-252.speedy.telkom.net.id
110.138.252.213	PTR	213.subnet110-138-252.speedy.telkom.net.id
110.138.253.9	PTR	9.subnet110-138-253.speedy.telkom.net.id
110.138.253.30	PTR	30.subnet110-138-253.speedy.telkom.net.id
110.138.253.168	PTR	168.subnet110-138-253.speedy.telkom.net.id
110.138.253.170	PTR	170.subnet110-138-253.speedy.telkom.net.id
110.138.253.191	PTR	191.subnet110-138-253.speedy.telkom.net.id
110.138.253.223	PTR	223.subnet110-138-253.speedy.telkom.net.id
110.138.254.24	PTR	24.subnet110-138-254.speedy.telkom.net.id
110.138.254.25	PTR	25.subnet110-138-254.speedy.telkom.net.id
110.138.254.42	PTR	42.subnet110-138-254.speedy.telkom.net.id
110.138.254.48	PTR	48.subnet110-138-254.speedy.telkom.net.id
110.138.254.87	PTR	87.subnet110-138-254.speedy.telkom.net.id
110.138.254.102	PTR	102.subnet110-138-254.speedy.telkom.net.id
110.138.254.120	PTR	120.subnet110-138-254.speedy.telkom.net.id
110.138.254.184	PTR	184.subnet110-138-254.speedy.telkom.net.id
110.138.254.244	PTR	244.subnet110-138-254.speedy.telkom.net.id
110.138.255.48	PTR	48.subnet110-138-255.speedy.telkom.net.id
110.138.255.179	PTR	179.subnet110-138-255.speedy.telkom.net.id
110.138.255.197	PTR	197.subnet110-138-255.speedy.telkom.net.id
110.138.255.221	PTR	221.subnet110-138-255.speedy.telkom.net.id
110.138.255.227	PTR	227.subnet110-138-255.speedy.telkom.net.id
110.138.255.230	PTR	230.subnet110-138-255.speedy.telkom.net.id
110.138.255.255	PTR	255.subnet110-138-255.speedy.telkom.net.id