Robtex

Up: 131.203.0.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 131.203.16.0/21
Down right: 131.203.24.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
131.203.16.6	PTR	msltime.irl.cri.nz
131.203.17.2	A+PTR	131-203-17-2.irl.cri.nz
131.203.17.3	A+PTR	131-203-17-3.irl.cri.nz
131.203.17.4	A+PTR	131-203-17-4.irl.cri.nz
131.203.17.11	A	131-203-17-11.irl.cri.nz
131.203.17.16	A+PTR	131-203-17-16.irl.cri.nz
131.203.17.18	A+PTR	131-203-17-18.irl.cri.nz
131.203.17.22	A	131-203-17-22.irl.cri.nz
131.203.17.25	A	131-203-17-25.irl.cri.nz
131.203.17.34	A+PTR	131-203-17-34.irl.cri.nz
131.203.17.35	A+PTR	131-203-17-35.irl.cri.nz
131.203.17.42	A	irl-chc-fw1.fx.net.nz
131.203.17.47	A	131-203-17-47.irl.cri.nz
131.203.17.53	A	131-203-17-53.irl.cri.nz
131.203.17.63	A	131-203-17-63.irl.cri.nz
131.203.17.68	A	131-203-17-68.irl.cri.nz
131.203.17.69	A	131-203-17-69.irl.cri.nz
131.203.17.74	A	131-203-17-74.irl.cri.nz
131.203.17.86	A	131-203-17-86.irl.cri.nz
131.203.17.87	A	131-203-17-87.irl.cri.nz
131.203.17.89	A	131-203-17-89.irl.cri.nz
131.203.17.91	A	131-203-17-91.irl.cri.nz
131.203.17.107	A	131-203-17-107.irl.cri.nz
131.203.17.112	A+PTR	131-203-17-112.irl.cri.nz
131.203.17.113	A+PTR	131-203-17-113.irl.cri.nz
131.203.17.122	A	131-203-17-122.irl.cri.nz
131.203.17.127	A	131-203-17-127.irl.cri.nz
131.203.17.130	A+PTR	131-203-17-130.irl.cri.nz
131.203.17.135	A	131-203-17-135.irl.cri.nz
131.203.17.136	A	131-203-17-136.irl.cri.nz
131.203.17.140	A	131-203-17-140.irl.cri.nz
131.203.17.150	A	131-203-17-150.irl.cri.nz
131.203.17.152	A	131-203-17-152.irl.cri.nz
131.203.17.154	A	131-203-17-154.irl.cri.nz
131.203.17.155	A	131-203-17-155.irl.cri.nz
131.203.17.168	A	131-203-17-168.irl.cri.nz
131.203.17.179	A+PTR	131-203-17-179.irl.cri.nz
131.203.17.185	A	131-203-17-185.irl.cri.nz
131.203.17.186	A	131-203-17-186.irl.cri.nz
131.203.17.192	A+PTR	131-203-17-192.irl.cri.nz
131.203.17.196	A	131-203-17-196.irl.cri.nz
131.203.17.198	A	131-203-17-198.irl.cri.nz
131.203.17.200	A	131-203-17-200.irl.cri.nz
131.203.17.208	A+PTR	131-203-17-208.irl.cri.nz
131.203.17.209	A+PTR	131-203-17-209.irl.cri.nz
131.203.17.212	A	131-203-17-212.irl.cri.nz
131.203.17.220	A	131-203-17-220.irl.cri.nz
131.203.17.225	A+PTR	131-203-17-225.irl.cri.nz
131.203.17.228	A	131-203-17-228.irl.cri.nz
131.203.17.232	A	131-203-17-232.irl.cri.nz
131.203.17.236	A	131-203-17-236.irl.cri.nz
131.203.17.249	A	131-203-17-249.irl.cri.nz
131.203.17.250	A	131-203-17-250.irl.cri.nz
131.203.17.252	A	131-203-17-252.irl.cri.nz
131.203.18.4	PTR	seemail2.callaghaninnovation.govt.nz
131.203.18.4	A	mx1.irl.cri.nz
131.203.18.10	A	visitorgw.irl.cri.nz
131.203.18.12	A	irlweb.irl.cri.nz
131.203.18.13	A	hrcompetency.irl.cri.nz
131.203.18.18	PTR	131-203-18-18.irl.cri.nz
131.203.18.60	A	mst.irl.cri.nz
131.203.18.62	A	msl.irl.cri.nz
131.203.18.63	A	nzwrn.org.nz
131.203.18.64	PTR	131-203-18-64.irl.cri.nz
131.203.18.64	A	glycofinechem.com
131.203.18.64	A	www.glycosyn.com
131.203.18.66	PTR	131-203-18-66.irl.cri.nz
131.203.18.67	PTR	131-203-18-67.irl.cri.nz
131.203.20.1	A	131-203-20-1.irlbiopharm.com
131.203.20.2	A	131-203-20-2.irlbiopharm.com
131.203.20.4	A	131-203-20-4.irlbiopharm.com
131.203.20.5	A	131-203-20-5.irlbiopharm.com
131.203.20.16	A+PTR	131-203-20-16.irlbiopharm.com
131.203.20.17	A	131-203-20-17.irlbiopharm.com
131.203.20.18	A+PTR	131-203-20-18.irlbiopharm.com
131.203.20.19	A	131-203-20-19.irlbiopharm.com
131.203.20.32	A+PTR	131-203-20-32.irlbiopharm.com
131.203.20.33	A+PTR	131-203-20-33.irlbiopharm.com
131.203.20.34	A	131-203-20-34.irlbiopharm.com
131.203.20.35	A	131-203-20-35.irlbiopharm.com
131.203.20.48	A	131-203-20-48.irlbiopharm.com
131.203.20.49	A	131-203-20-49.irlbiopharm.com
131.203.20.50	A	131-203-20-50.irlbiopharm.com
131.203.20.51	A	131-203-20-51.irlbiopharm.com
131.203.20.64	A	131-203-20-64.irlbiopharm.com
131.203.20.65	A	131-203-20-65.irlbiopharm.com
131.203.20.66	A	131-203-20-66.irlbiopharm.com
131.203.20.67	A	131-203-20-67.irlbiopharm.com
131.203.20.80	A	131-203-20-80.irlbiopharm.com
131.203.20.81	A	131-203-20-81.irlbiopharm.com
131.203.20.82	A	131-203-20-82.irlbiopharm.com
131.203.20.83	A	131-203-20-83.irlbiopharm.com
131.203.20.97	A	131-203-20-97.irlbiopharm.com
131.203.20.98	A	131-203-20-98.irlbiopharm.com
131.203.20.99	A	131-203-20-99.irlbiopharm.com
131.203.20.100	A	131-203-20-100.irlbiopharm.com
131.203.20.112	A	131-203-20-112.irlbiopharm.com
131.203.20.113	A+PTR	131-203-20-113.irlbiopharm.com
131.203.20.114	A+PTR	131-203-20-114.irlbiopharm.com
131.203.20.115	A+PTR	131-203-20-115.irlbiopharm.com
131.203.28.18	PTR	default-rdns.vocus.co.nz
131.203.28.18	A	www.prestigeit.co.nz
131.203.28.18	A	mail.centraforklifts.co.nz
131.203.28.52	PTR	default-rdns.vocus.co.nz