Robtex

Up: 203.223.168.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 203.223.172.0/23
Down right: 203.223.174.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.223.172.184	A+PTR	static-host203-223-172-184.link.net.pk
203.223.172.189	A	api.finca.org.pk
203.223.172.210	A+PTR	static-host203-223-172-210.link.net.pk
203.223.172.243	PTR	static-host203-223-172-243.link.net.pk
203.223.172.254	A+PTR	static-host203-223-172-254.link.net.pk
203.223.173.20	A+PTR	static-host203-223-173-20.link.net.pk
203.223.173.21	A	static-host203-223-173-21.link.net.pk
203.223.173.26	A+PTR	static-host203-223-173-26.link.net.pk
203.223.173.106	A+PTR	static-host203-223-173-106.link.net.pk
203.223.173.122	A+PTR	static-host203-223-173-122.link.net.pk
203.223.173.197	A+PTR	static-host203-223-173-197.link.net.pk
203.223.173.197	A	ns.ntdc.com.pk
203.223.173.198	A+PTR	static-host203-223-173-198.link.net.pk
203.223.173.200	A+PTR	static-host203-223-173-200.link.net.pk
203.223.173.200	A	mail2.ntdc.com.pk
203.223.173.200	A	mail.ntdc.com.pk
203.223.173.201	PTR	static-host203-223-173-201.link.net.pk
203.223.173.205	A+PTR	static-host203-223-173-205.link.net.pk
203.223.173.234	A+PTR	static-host203-223-173-234.link.net.pk
203.223.173.243	A+PTR	static-host203-223-173-243.link.net.pk
203.223.173.243	A	maillhr.xavor.com
203.223.174.34	A	static-host203-223-174-34.link.net.pk
203.223.174.35	A	static-host203-223-174-35.link.net.pk
203.223.174.36	A	static-host203-223-174-36.link.net.pk
203.223.174.62	PTR	static-host203-223-174-62.link.net.pk
203.223.174.75	A	static-host203-223-174-75.link.net.pk
203.223.174.77	A+PTR	static-host203-223-174-77.link.net.pk
203.223.174.197	A+PTR	static-host203-223-174-197.link.net.pk
203.223.174.203	A+PTR	static-host203-223-174-203.link.net.pk
203.223.174.229	PTR	static-host203-223-174-229.link.net.pk
203.223.174.229	A	mail.khanassociates.com.pk
203.223.174.235	PTR	static-host203-223-174-235.link.net.pk
203.223.174.241	A	static-host203-223-174-241.link.net.pk
203.223.175.1	PTR	static-host203-223-175-1.link.net.pk
203.223.175.3	A	mail.buraq.fm
203.223.175.19	PTR	static-host203-223-175-19.link.net.pk
203.223.175.71	PTR	static-host203-223-175-71.link.net.pk
203.223.175.162	A	static-host203-223-175-162.link.net.pk
203.223.175.196	PTR	static-host203-223-175-196.link.net.pk
203.223.175.200	A	static-host203-223-175-200.link.net.pk
203.223.175.222	A	static-host203-223-175-222.link.net.pk