Robtex

Up: 203.99.160.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 203.99.160.0/21
Down right: 203.99.168.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.99.163.141	PTR	ustb.edu.pk
203.99.163.141	A+PTR	ftms.bisesargodha.edu.pk
203.99.163.141	PTR	ftp.ustb.edu.pk
203.99.163.147	A	plesk07.ptcl.net
203.99.163.157	A	plesk17.ptcl.net
203.99.163.158	A+PTR	plesk18.ptcl.net
203.99.163.160	A	cpe.ptcl.net
203.99.163.170	A+PTR	smtp-gw1.ptcl.net
203.99.163.171	A+PTR	smtp-gw2.ptcl.net
203.99.163.175	A	smtp-gw4.ptcl.net
203.99.163.176	A+PTR	fe-smtp01.ptcl.net
203.99.163.177	A	fe-smtp02.ptcl.net
203.99.163.178	A	fe-smtp03.ptcl.net
203.99.163.183	A	ns1.gaming.ptcl.net
203.99.163.203	A	hspc.ptcl.net
203.99.163.203	A	ns1.hspc.ptcl.net
203.99.163.203	A	ns2.hspc.ptcl.net
203.99.163.205	PTR	spam2.ptcl.net
203.99.163.240	A+PTR	ns1.ptcl.net
203.99.163.245	A	spam.ptcl.net
203.99.163.246	A	pop3.ptcl.net
203.99.163.246	A	smtp2.ptcl.net