Robtex

Up: 203.101.170.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 203.101.171.0/25
Down right: 203.101.171.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.101.171.10	A+PTR	khimail.jaffer.com
203.101.171.25	PTR	vl-11-csw01-ho-khi.cyber.net.pk
203.101.171.51	A+PTR	av4-1.cyber.net.pk
203.101.171.52	A+PTR	mail1cs1.cyber.net.pk
203.101.171.52	A	ns.silkbank.com.pk
203.101.171.52	A	smtpgateway.cyber.net.pk
203.101.171.53	PTR	smtpgateway.cyber.net.pk.171.101.203.in-addr.arpa
203.101.171.53	A	ns.silkbank.com.pk
203.101.171.53	A	smtpgateway.cyber.net.pk
203.101.171.54	PTR	smtpgateway.cyber.net.pk.171.101.203.in-addr.arpa
203.101.171.54	A	smtpgateway.cyber.net.pk
203.101.171.54	A	ns.fujifilm.com.pk
203.101.171.55	PTR	smtpgateway.cyber.net.pk.171.101.203.in-addr.arpa
203.101.171.55	A	smtpgateway.cyber.net.pk
203.101.171.56	PTR	smtpgateway.cyber.net.pk.171.101.203.in-addr.arpa
203.101.171.56	A	smtpgateway.cyber.net.pk
203.101.171.57	PTR	mail.cs3.cyber.net.pk
203.101.171.57	PTR	sndinforoute.colgate-palmolive.com.pk
203.101.171.57	PTR	sndbi.colgate-palmolive.com.pk
203.101.171.58	PTR	mailcs1.cyber.net.pk
203.101.171.58	A	smtpgateway.cyber.net.pk
203.101.171.58	A	ns.kapraywala.biz
203.101.171.59	PTR	smtpgateway.cyber.net.pk.171.101.203.in-addr.arpa
203.101.171.59	A	smtpgateway.cyber.net.pk
203.101.171.60	PTR	smtpgateway.cyber.net.pk.171.101.203.in-addr.arpa
203.101.171.60	A	smtpgateway.cyber.net.pk
203.101.171.61	PTR	smtpgateway.cyber.net.pk.171.101.203.in-addr.arpa
203.101.171.61	A	smtpgateway.cyber.net.pk
203.101.171.61	A	www.trakkernav.com
203.101.171.62	PTR	smtpgateway.cyber.net.pk.171.101.203.in-addr.arpa
203.101.171.62	A	smtpgateway.cyber.net.pk
203.101.171.63	PTR	smtpgateway.cyber.net.pk.171.101.203.in-addr.arpa
203.101.171.63	A	smtpgateway.cyber.net.pk
203.101.171.137	PTR	bimcs.edu.pk
203.101.171.242	A+PTR	mail.thalengg.com
203.101.171.245	A	mail.thalengg.com
203.101.171.250	PTR	webmail.thalengg.com
203.101.171.251	PTR	webmail.thalengg.com