Robtex

Up: 204.120.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 204.121.0.0/17
Down right: 204.121.128.0/17
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
204.121.3.1	A+PTR	nsx.lanl.gov
204.121.3.2	PTR	dcs1-290-y-15-grn.nd.lanl.gov
204.121.3.2	A	nsx3.lanl.gov
204.121.3.2	A	nsx2.lanl.gov
204.121.3.3	A+PTR	ftp.lanl.gov
204.121.3.4	PTR	dir1-green.lanl.gov
204.121.3.243	A	y-204-121-60-254.lanl.gov
204.121.4.7	A+PTR	proxied-mode.lanl.gov
204.121.4.13	A+PTR	ganesha.lanl.gov
204.121.4.31	A	imigp01.lanl.gov
204.121.4.39	A	eia-hrvtc-p-as1.lanl.gov
204.121.5.27	PTR	gluttony.lanl.gov
204.121.5.56	A	phage.lanl.gov
204.121.5.85	A	sniper.lanl.gov
204.121.5.131	A	nsg-apc.lanl.gov
204.121.5.141	A	gr-tmp.lanl.gov
204.121.6.1	A+PTR	nsx2.lanl.gov
204.121.6.3	A+PTR	kibbles.lanl.gov
204.121.6.11	A+PTR	joe2.lanl.gov
204.121.6.12	PTR	grn-testlab-sw.lanl.gov
204.121.6.12	A	raptor.lanl.gov
204.121.6.56	A	phage.lanl.gov
204.121.6.131	A	nsg-apc.lanl.gov
204.121.6.141	A	gr-tmp.lanl.gov
204.121.6.241	A	y-204-121-60-254.lanl.gov
204.121.7.7	A+PTR	simtex.lanl.gov
204.121.7.13	A	ganesha.lanl.gov
204.121.7.57	A	laws-green.lanl.gov
204.121.7.241	A	y-204-121-60-254.lanl.gov
204.121.8.241	A	y-204-121-60-254.lanl.gov
204.121.16.38	A	paladin.lanl.gov
204.121.16.59	A	microserf.lanl.gov
204.121.16.84	A	proxied-bwccbmsurvey.lanl.gov
204.121.16.200	A	twpwww.lanl.gov
204.121.24.15	A	proxied-laacg.lanl.gov
204.121.24.50	A	proxied-lansce.lanl.gov
204.121.60.10	PTR	esp-ebz-ext-wc-f5.lanl.gov
204.121.60.10	A	jobs.lanl.gov
204.121.60.11	PTR	w11-f5.lanl.gov
204.121.60.11	A	microserf.lanl.gov
204.121.60.11	A	arq.lanl.gov
204.121.60.12	PTR	delorean-f5.lanl.gov
204.121.60.254	A	y-204-121-60-254.lanl.gov
204.121.64.62	A+PTR	turqservices-gateway.lanl.gov
204.121.65.66	A+PTR	mu-fe2.lanl.gov
204.121.128.1	A	y-204-121-60-254.lanl.gov
204.121.128.31	A	mesapublickiosk.lanl.gov
204.121.136.3	A	y-204-121-60-254.lanl.gov
204.121.161.72	A	comfortsuitespv.com
204.121.253.5	A	bridgeport254.lanl.gov