Robtex

Up: 180.241.16.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 180.241.20.0/23
Down right: 180.241.22.0/23

IP	Type	Hostname
180.241.20.30	PTR	30.180-241-20.speedy.telkom.net.id
180.241.20.73	PTR	73.180-241-20.speedy.telkom.net.id
180.241.20.244	PTR	244.180-241-20.speedy.telkom.net.id
180.241.20.254	PTR	254.180-241-20.speedy.telkom.net.id
180.241.21.133	A	mail.baitulmalpijay.com
180.241.21.133	A	baitulmalpijay.com