Robtex

Up: 110.139.240.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 110.139.244.0/23
Down right: 110.139.246.0/23

IP	Type	Hostname
110.139.244.2	PTR	2.subnet110-139-244.speedy.telkom.net.id
110.139.244.6	PTR	6.subnet110-139-244.speedy.telkom.net.id
110.139.244.10	PTR	10.subnet110-139-244.speedy.telkom.net.id
110.139.244.13	PTR	13.subnet110-139-244.speedy.telkom.net.id
110.139.244.29	PTR	29.subnet110-139-244.speedy.telkom.net.id
110.139.244.43	PTR	43.subnet110-139-244.speedy.telkom.net.id
110.139.244.45	PTR	45.subnet110-139-244.speedy.telkom.net.id
110.139.244.51	PTR	51.subnet110-139-244.speedy.telkom.net.id
110.139.244.72	PTR	72.subnet110-139-244.speedy.telkom.net.id
110.139.244.91	PTR	91.subnet110-139-244.speedy.telkom.net.id
110.139.244.102	PTR	102.subnet110-139-244.speedy.telkom.net.id
110.139.244.106	PTR	106.subnet110-139-244.speedy.telkom.net.id
110.139.244.107	PTR	107.subnet110-139-244.speedy.telkom.net.id
110.139.244.112	PTR	112.subnet110-139-244.speedy.telkom.net.id
110.139.244.113	PTR	113.subnet110-139-244.speedy.telkom.net.id
110.139.244.123	PTR	123.subnet110-139-244.speedy.telkom.net.id
110.139.244.133	PTR	133.subnet110-139-244.speedy.telkom.net.id
110.139.244.142	PTR	142.subnet110-139-244.speedy.telkom.net.id
110.139.244.151	PTR	151.subnet110-139-244.speedy.telkom.net.id
110.139.244.175	PTR	175.subnet110-139-244.speedy.telkom.net.id
110.139.244.211	PTR	211.subnet110-139-244.speedy.telkom.net.id
110.139.244.212	PTR	212.subnet110-139-244.speedy.telkom.net.id
110.139.244.228	PTR	228.subnet110-139-244.speedy.telkom.net.id
110.139.244.234	PTR	234.subnet110-139-244.speedy.telkom.net.id
110.139.244.244	PTR	244.subnet110-139-244.speedy.telkom.net.id
110.139.245.5	PTR	5.subnet110-139-245.speedy.telkom.net.id
110.139.245.23	PTR	23.subnet110-139-245.speedy.telkom.net.id
110.139.245.25	PTR	25.subnet110-139-245.speedy.telkom.net.id
110.139.245.116	PTR	116.subnet110-139-245.speedy.telkom.net.id
110.139.245.180	PTR	180.subnet110-139-245.speedy.telkom.net.id