Robtex

Up: 20.133.0.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 20.133.0.0/22
Down right: 20.133.4.0/22

IP	Type	Hostname
20.133.0.1	A+PTR	zeb.zqwdrqsz.com
20.133.0.2	PTR	amcp-gateway.bae.co.uk
20.133.0.2	A	amscs.co.uk
20.133.0.4	A	smtp1.selex-sas.com
20.133.0.4	A	smtp.selex-sas.com
20.133.0.5	A	smtp.selex-sas.com
20.133.0.8	A+PTR	parent-proxy-des-nat.zqwdrqsz.com
20.133.0.9	A+PTR	ngexdnsr1-nat.zqwdrqsz.com
20.133.0.10	A+PTR	ngexdnsr2-nat.zqwdrqsz.com
20.133.0.11	PTR	smtp
20.133.0.11	PTR	smtp1.bae.co.uk
20.133.0.11	PTR	was-smtp1.bae.co.uk
20.133.0.13	A	parent-proxy-msd5-nat.zqwdrqsz.com
20.133.0.18	A+PTR	cscvpn47-uk.europe.csc.com
20.133.0.19	PTR	cscvpn48-uk
20.133.0.19	A+PTR	cscvpn47-uk.europe.csc.com
20.133.0.21	A+PTR	cscvpnmsd73.zqwdrqsz.com
20.133.0.22	A	glkas0159-pxy.zqwdrqsz.com
20.133.0.23	A	msdbsvr5.europe.csc.com
20.133.0.27	A+PTR	host2.zqwdrqsz.com
20.133.0.27	PTR	host2.europe.csc.com
20.133.0.28	A	msdbskmr2-nat.zqwdrqsz.com
20.133.0.29	A	gts.europe.csc.com
20.133.0.33	A	msbau4-nat.zqwdrqsz.com
20.133.0.34	A	baes0981114-nat.zqwdrqsz.com
20.133.0.35	A	baes1053219-nat.zqwdrqsz.com
20.133.0.36	A	baes1053212-nat.zqwdrqsz.com
20.133.0.40	A	stargate5.zqwdrqsz.com
20.133.0.49	A	parent-proxy-msd4-nat.zqwdrqsz.com
20.133.0.50	PTR	desmdswasiht.emea.csc.com
20.133.0.50	PTR	desmdswasiht.europe.csc.com
20.133.0.51	PTR	msdbswr9
20.133.0.51	A	ldap-uk00.baesystems.com
20.133.0.55	A	ukmta1.baesystems.com
20.133.0.56	PTR	mta2.baesystems.com
20.133.0.56	A+PTR	ukmta2.baesystems.com
20.133.0.58	PTR	govcert-cesg-nat.emea.csc.com
20.133.0.59	A+PTR	uksmtp1.selex-sas.com
20.133.0.59	A	uksmtp.selex-sas.com
20.133.0.60	A+PTR	uksmtp2.selex-sas.com
20.133.0.60	A	uksmtp.selex-sas.com
20.133.0.65	A	bze1mp02-nat.emea.csc.com
20.133.0.129	A	baegts.com
20.133.0.200	PTR	iukehub03-rib
20.133.0.210	A	iukvpnrtw1.emea.csc.com
20.133.0.214	A	barbox3.zqwdrqsz.com
20.133.1.49	A+PTR	ic-internet-nat.emea.csc.com
20.133.1.55	A	icsrvmds451.emea.csc.com
20.133.1.61	A	gwy001451.emea.csc.com
20.133.1.132	A	www.gallaher.ie
20.133.1.136	A+PTR	admin.gallaher.ie
20.133.1.136	A+PTR	admin-gallaher-ie.emea.csc.com
20.133.2.12	PTR	smtp.anglianwater.co.uk
20.133.2.13	PTR	smtp1.anglianwater.co.uk
20.133.2.67	A+PTR	inscag01-nat.emea.csc.com
20.133.3.9	PTR	dhchdmds8-nat
20.133.3.9	PTR	dhchdmds8-nat.europe.csc.com
20.133.3.117	A+PTR	bbtsvlmds01.transport.bombardier.com
20.133.3.119	A+PTR	bbtsvlmds02.transport.bombardier.com
20.133.5.56	A	mzyhn.com