Robtex

Up: 118.98.56.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 118.98.56.0/23
Down right: 118.98.58.0/23

IP	Type	Hostname
118.98.56.7	PTR	7.subnet118-98-56.astinet.telkom.net.id
118.98.56.85	PTR	85.subnet118-98-56.astinet.telkom.net.id
118.98.57.66	PTR	66.subnet118-98-57.astinet.telkom.net.id
118.98.57.214	PTR	214.subnet118-98-57.astinet.telkom.net.id
118.98.59.41	PTR	41.subnet118-98-59.astinet.telkom.net.id
118.98.59.45	PTR	45.subnet118-98-59.astinet.telkom.net.id