Robtex

Up: 118.107.192.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 118.107.196.0/23
Down right: 118.107.198.0/23

IP	Type	Hostname
118.107.198.35	PTR	sp.pentamaster.com.my
118.107.198.36	PTR	ns1.pentamaster.com.my
118.107.198.43	PTR	ibusinessksp.pentamaster.com.my
118.107.198.46	PTR	ibusinesspem.pentamaster.com.my
118.107.198.48	PTR	erp.pentamaster.com
118.107.198.48	PTR	erp.pentamaster.com.my
118.107.198.60	PTR	mail.hirosek.com
118.107.198.60	PTR	mail.pentamaster.com.my
118.107.198.60	PTR	mail.pentamastercorp.com.my
118.107.198.78	PTR	mx200.pentamaster.com.my
118.107.198.78	PTR	mx200.pentamastercorp.com.my
118.107.199.137	A	ns03.atmel.com