Robtex

Up: 31.11.48.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 31.11.48.0/22
Down right: 31.11.52.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
31.11.48.24	A	servicedesk.alfardan.com.qa
31.11.48.48	A+PTR	mailgw.alfardan.com.qa
31.11.48.48	A+PTR	smtp.alfardan.com.qa
31.11.48.48	A+PTR	mail.alfardanexchange.com.qa
31.11.48.49	PTR	webmail.alfardan.com.qa
31.11.48.114	A+PTR	mail.peo.gov.qa
31.11.48.114	A+PTR	autodiscover.peo.gov.qa
31.11.48.115	A	peo.gov.qa
31.11.48.115	A	www.peo.gov.qa
31.11.48.120	A	smtp.qna.org.qa
31.11.48.121	A	*.qna.org.qa
31.11.48.122	A	www.qnakids.qa
31.11.48.213	A	www.hassad.com
31.11.48.213	A	hassad.com
31.11.48.214	PTR	smtp101.hassad.com
31.11.48.214	A	smtp101.hassad.com.au
31.11.48.215	PTR	smtp102.hassad.com
31.11.48.215	A	smtp102.hassad.com.au
31.11.49.45	A	thegroup.com.qa
31.11.49.116	A+PTR	mailrelay1.qchem.com.qa
31.11.49.118	A	ns3.qchem.com.qa
31.11.49.172	PTR	5mqatar.com
31.11.49.172	A+PTR	smtp01.5mqatar.com
31.11.49.172	PTR	amwaj-transport.com
31.11.49.179	A	www.mp-mdd.com
31.11.49.179	A	mp-mdd.com
31.11.49.180	A	mail.msheirebdowntown.net
31.11.50.115	A	ns4.cbq.qa
31.11.50.138	A	newforma-jpac.com
31.11.51.54	A	www.alrayyan.qa
31.11.51.68	A	test.mp-mdd.com
31.11.51.196	A+PTR	smtp201.hassad.com
31.11.52.225	A+PTR	mail2.qiib.com.qa
31.11.53.42	A	snclqpcafm.com