Robtex

Up: 15.72.128.0/17
Can't show all results, try to descend to a more specific CIDR
Down left: 15.72.192.0/19
Down right: 15.72.224.0/19
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
15.72.208.62	A+PTR	g9t0132c.houston.hp.com
15.72.208.64	A	g9t0132a.houston.hp.com
15.72.228.51	A+PTR	hpsp-newtest.houston.hp.com
15.72.228.52	A+PTR	myhpindigo-itg-h9.houston.hp.com
15.72.228.52	A	myhpindigo-itg-aa.glb1.hp.com
15.72.228.54	PTR	myhpindigo-pro-h9.houston.hp.com
15.72.228.54	A	myhpindigo-pro-aa.glb1.hp.com
15.72.228.56	PTR	configservice-hou9.houston.hp.com
15.72.228.65	A+PTR	glbecomtran-ext-cto-perf.houston.hp.com
15.72.228.66	A+PTR	glbecomtran-ext-perf.houston.hp.com
15.72.228.70	A+PTR	alsstoregemitg.houston.hp.com
15.72.228.71	A+PTR	alsstorepditg.houston.hp.com
15.72.236.22	A	g9w2356.houston.hp.com
15.72.236.24	PTR	g9t6169.houston.hp.com
15.72.236.24	A	ftp-cold-h9.glb1.hp.com
15.72.236.25	PTR	g9t6170.houston.hp.com
15.72.236.26	A+PTR	g9t6171.houston.hp.com
15.72.236.27	A	g9t6172.houston.hp.com
15.72.236.27	A	ftp-hpcom.glb1.hp.com
15.72.238.25	A+PTR	g9t3013.houston.hp.com
15.72.238.26	PTR	g9t3014.houston.hp.com
15.72.238.27	PTR	g9t3015.houston.hp.com
15.72.238.28	A+PTR	g9t3016.houston.hp.com
15.72.238.29	A	g9t3017.houston.hp.com
15.72.238.29	A	www-hpcom.glb1.hp.com
15.72.238.30	A	www-hpcom.glb1.hp.com
15.72.238.198	PTR	g9t0138.houston.hp.com
15.72.238.198	A	hub-web-pro.glb1.hp.com
15.72.238.199	A	hub-web-pro.glb1.hp.com
15.72.239.55	A+PTR	g9w2391.houston.hp.com
15.72.239.55	A	diagshpuextpro.glb1.hp.com
15.72.239.55	A	h18021.www1.hp.com
15.72.239.56	A+PTR	g9w2392.houston.hp.com
15.72.239.56	A	diagshpuextpro.glb1.hp.com
15.72.239.57	PTR	g9t2424g.houston.hp.com
15.72.239.58	PTR	g9t2425g.houston.hp.com
15.72.239.71	A+PTR	g9t6165.houston.hp.com
15.72.239.71	A	ftp-cold-h9.glb1.hp.com
15.72.239.72	PTR	g9t6166.houston.hp.com
15.72.239.72	A	ftp-cold-h9.glb1.hp.com
15.72.239.73	PTR	g9t6167.houston.hp.com
15.72.239.74	A+PTR	g9t6168.houston.hp.com
15.72.239.74	A	ftp-hpcom.glb1.hp.com
15.72.239.76	A	ftp-hpcom.glb1.hp.com
15.72.241.21	A	css-ext-pro.houston.hp.com
15.72.241.22	A	g9t5092g.houston.hp.com
15.72.241.53	A	g9w2051g.houston.hp.com
15.72.241.61	A	scheckerspot.houston.hp.com
15.72.241.62	A	scheckerspot.houston.hp.com
15.72.241.65	PTR	g9t0486g.houston.hp.com
15.72.241.65	A	metrics.rssx.hp.com
15.72.241.65	A	metrics-gslb.glb1.hp.com
15.72.241.66	A	validation-gslb.glb1.hp.com
15.72.241.128	A+PTR	g9t7207g.houston.hp.com
15.72.241.129	A+PTR	g9t7208g.houston.hp.com
15.72.245.24	A+PTR	g9w0877g.houston.hp.com
15.72.245.24	A	gnpcigslbpro.glb1.hp.com
15.72.245.24	A	gncpgslbpro2.glb1.hp.com
15.72.245.51	PTR	g9t6874g.houston.hp.com
15.72.245.51	A	hermesws.glb1.hp.com
15.72.255.4	PTR	xmpp009-pro-site2eprint.houston.hp.com
15.72.255.4	A	xmpp009.glb1.hp.com
15.72.255.5	A+PTR	xmpp010-pro-site2eprint.houston.hp.com
15.72.255.5	A	xmpp010.glb1.hp.com
15.72.255.36	PTR	xmpp001-pro-site1eprint.houston.hp.com
15.72.255.36	A	xmpp001.glb1.hp.com