Robtex

Up: 203.215.16.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 203.215.16.0/22
Down right: 203.215.20.0/22

IP	Type	Hostname
203.215.16.17	A	gi2-0-0.syd-ult-bba1.iinet.net.au
203.215.17.2	A	gix.syd-ult-sbc1.ii.net
203.215.17.44	A+PTR	outbound.syd-ult-irony-relay1.iinet.net.au
203.215.17.44	A	mx1.iinet.com.au
203.215.17.44	A	mx1.iinet.net.au
203.215.17.58	A+PTR	syd-ult-slb1-vlan5.ii.net
203.215.17.242	PTR	route-views.iinet.net.au
203.215.17.248	A	sg1.securegateway.org
203.215.17.248	A	all.securegateway.org
203.215.19.247	PTR	nexthop.nsw.iinet.net.au
203.215.20.5	PTR	ge4-4.per-qv1-bdr1.on.iinet.net.au
203.215.20.6	PTR	xe-3-3-0-0.syd-ult-core1.on.ii.net
203.215.20.8	A	gi0-15-1-2.syd-ult-core1.ii.net
203.215.20.13	A	ge4-2.mel-pipe-bdr1.ii.net
203.215.20.13	A	ge4-2.mel-pipe-bdr1.iinet.net.au
203.215.20.19	PTR	te4-4.ade-pipe-bdr1.on.ii.net
203.215.20.22	A	gi0-15-1-6.syd-ult-core1.iinet.net.au
203.215.20.25	A+PTR	ge4-2.bne-pipe-bdr1.iinet.net.au
203.215.20.28	A	gi0-15-1-6.syd-ult-core1.iinet.net.au
203.215.20.29	A+PTR	gi2-24.syd-ult-bdr1.iinet.net.au
203.215.20.30	A	te0-15-0-0.syd-ult-core1.ii.net
203.215.20.32	A+PTR	gi14-1-8.syd-ult-core1.iinet.net.au
203.215.20.43	PTR	be1-100.hba-pipe-bdr2.on.ii.net
203.215.20.49	PTR	te4-2.mel-cam-bdr2.on.ii.net
203.215.20.50	PTR	te1-2.mel-cam-bdr1.on.ii.net
203.215.20.51	PTR	te1-2.mel-cam-bdr2.on.ii.net
203.215.20.64	PTR	gi15-1-0.syd-mas-core1.iinet.net.au
203.215.20.65	A	ge4-2.per-qv1-bdr2.ii.net
203.215.20.67	A	ge4-4.per-qv1-bdr2.ii.net
203.215.20.74	PTR	gi15-1-3.syd-mas-core1.iinet.net.au
203.215.20.75	A	ge4-2.mel-pipe-bdr2.ii.net
203.215.20.76	PTR	gi15-1-4.syd-mas-core1.iinet.net.au
203.215.20.76	A	gi0-15-1-4.syd-stl-core1.ii.net
203.215.20.80	A+PTR	te0-14-0-0.syd-stl-core1.iinet.net.au
203.215.20.84	A+PTR	te0-15-1-6.syd-stl-core1.iinet.net.au
203.215.20.88	A	gi0-15-1-5.syd-stl-core1.ii.net
203.215.20.89	A+PTR	ge4-2.bne-pipe-bdr2.iinet.net.au
203.215.20.93	A	te1-4.syd-ult-bdr2.ii.net
203.215.20.103	PTR	te7-4.mel-pipe-bdr1.on.ii.net
203.215.20.131	PTR	po1-100.per-qv1-bdr2.on.ii.net
203.215.20.133	A	gi0-2.cbr-tact-bdr2.ii.net
203.215.20.137	PTR	po4-100.ade-pipe-bdr1.on.ii.net
203.215.20.138	A	po2.mel-pipe-bdr1.ii.net
203.215.20.139	A	po2.mel-pipe-bdr2.ii.net
203.215.20.142	A	gi1-23.mel-pipe-bdr2.iinet.net.au
203.215.20.145	PTR	po1.bne-pipe-bdr2.iinet.net.au
203.215.20.145	A	gi2-1.bne-pipe-bdr2.ii.net
203.215.20.147	A	te1-2.syd-ult-bdr2.ii.net
203.215.20.149	A	gi0-2.akl-graft-bdr2.ii.net
203.215.20.193	A+PTR	gi0-1-0-9.syd-ult-core1.iinet.net.au
203.215.20.231	PTR	lo4802.syd-mas-bdr2.iinet.net.au
203.215.20.232	PTR	lo4802.mel-cam-bdr1.iinet.net.au
203.215.20.233	PTR	lo4802.mel-cam-bdr2.iinet.net.au
203.215.20.235	A	lo4802.akl-graft-bdr2.ii.net
203.215.20.238	A	lo4802.syd-ult-bdr1.ii.net
203.215.20.242	A	lo4802.syd-stl-bdr1.ii.net
203.215.20.247	A	lo4802.ade-pipe-bdr1.iinet.net.au
203.215.20.247	A	lo4802.ade-pipe-bdr1.ii.net
203.215.20.248	PTR	lo4802.ade-pipe-bdr1.iinet.net.au
203.215.20.248	A	lo4802.ade-pipe-bdr2.ii.net
203.215.20.248	A	lo4802.ade-pipe-bdr2.iinet.net.au
203.215.20.250	A+PTR	lo4802.cbr-tact-bdr1.iinet.net.au
203.215.20.251	A	lo4802.per-qv1-bdr2.ii.net