Robtex

Up: 203.111.160.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 203.111.160.0/23
Down right: 203.111.162.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.111.160.38	A	vpn.leeandassoc.com.au
203.111.160.46	PTR	mailx.smsfcentral.com.au
203.111.160.46	A	mailx.basenet.net.au
203.111.160.50	PTR	mail.amitypacific.com.au
203.111.160.59	PTR	webmail.blindmaster.com.au
203.111.160.68	A+PTR	mail.hvac-mailserver.com
203.111.160.68	A	mail.zenithhvac.com
203.111.160.68	A	sydney1.hvac-mailserver.com
203.111.160.77	A+PTR	mail.childsmart.com.au
203.111.160.93	A	mail3.pinpointcomms.com.au
203.111.160.93	A	pinpointcomms.com.au
203.111.160.93	A	www.pinpointcomms.com.au
203.111.160.94	PTR	mail4.pinpointcomms.com.au
203.111.160.94	A	www.pinpointcomms.com.au
203.111.160.98	A+PTR	antap.com.au
203.111.160.98	A	mail.antap.com.au
203.111.160.98	A	mail3.anz-exp.com.au
203.111.160.125	A+PTR	mail.jobsupport.org.au
203.111.160.125	A	mail.jobsupport.asn.au
203.111.160.212	PTR	mail.tetra-media.com
203.111.160.212	A	oceanevents.net.au
203.111.160.212	A	australiayc.com.au
203.111.160.215	A+PTR	mail.swerdlove.com
203.111.160.215	A	tfsmail01.swerdlove.com
203.111.161.8	PTR	8.161.111.203.syd.ntt.net.au
203.111.161.38	PTR	38.161.111.203.syd.ntt.net.au
203.111.161.39	PTR	39.161.111.203.syd.ntt.net.au
203.111.161.59	PTR	59.161.111.203.syd.ntt.net.au
203.111.161.101	PTR	101.161.111.203.syd.ntt.net.au
203.111.161.128	PTR	128.161.111.203.syd.ntt.net.au
203.111.161.138	PTR	138.161.111.203.syd.ntt.net.au
203.111.161.147	PTR	147.161.111.203.syd.ntt.net.au
203.111.161.150	PTR	150.161.111.203.syd.ntt.net.au
203.111.161.178	PTR	178.161.111.203.syd.ntt.net.au
203.111.161.211	PTR	211.161.111.203.syd.ntt.net.au
203.111.161.222	PTR	222.161.111.203.syd.ntt.net.au
203.111.161.237	PTR	237.161.111.203.syd.ntt.net.au
203.111.161.243	PTR	243.161.111.203.syd.ntt.net.au
203.111.161.255	PTR	255.161.111.203.syd.ntt.net.au
203.111.162.5	PTR	5.162.111.203.syd.ntt.net.au
203.111.162.7	PTR	7.162.111.203.syd.ntt.net.au
203.111.162.10	PTR	10.162.111.203.syd.ntt.net.au
203.111.162.18	A+PTR	mail.apcl.com.au
203.111.162.20	PTR	20.162.111.203.syd.ntt.net.au
203.111.162.27	PTR	27.162.111.203.syd.ntt.net.au
203.111.162.57	A	sabrenz.com
203.111.162.57	A	*.sabrenz.com
203.111.162.60	PTR	60.162.111.203.syd.ntt.net.au
203.111.162.62	PTR	mx.sydneygas.com
203.111.162.82	A	mail.rhbondibeach.com.au
203.111.162.84	PTR	84.162.111.203.syd.ntt.net.au
203.111.162.93	PTR	93.162.111.203.syd.ntt.net.au
203.111.162.114	PTR	mail.scopefeatures.com.au
203.111.162.146	PTR	146.162.111.203.syd.ntt.net.au
203.111.162.155	PTR	155.162.111.203.syd.ntt.net.au
203.111.162.174	PTR	174.162.111.203.syd.ntt.net.au
203.111.162.240	PTR	240.162.111.203.syd.ntt.net.au
203.111.162.242	PTR	242.162.111.203.syd.ntt.net.au
203.111.163.42	A+PTR	ns1.doublenegative.com.au
203.111.163.42	A	ns4.doublenegative.com.au
203.111.163.43	A+PTR	ns2.doublenegative.com.au
203.111.163.43	A	ns5.doublenegative.com.au
203.111.163.46	PTR	46.163.111.203.syd.ntt.net.au
203.111.163.54	PTR	54.163.111.203.syd.ntt.net.au
203.111.163.57	PTR	proxy2.eurolink.com.au
203.111.163.57	PTR	57.163.111.203.syd.ntt.net.au
203.111.163.57	A	smtp.sabrenz.com
203.111.163.66	PTR	66.163.111.203.syd.ntt.net.au
203.111.163.74	PTR	74.163.111.203.syd.ntt.net.au
203.111.163.98	PTR	mail.powernet.com.au
203.111.163.105	PTR	105.163.111.203.syd.ntt.net.au
203.111.163.109	PTR	109.163.111.203.syd.ntt.net.au
203.111.163.121	A	www.tenders.net.au
203.111.163.121	A	tenders.com.au
203.111.163.121	A	tenders.net
203.111.163.123	PTR	123.163.111.203.syd.ntt.net.au
203.111.163.124	PTR	124.163.111.203.syd.ntt.net.au
203.111.163.124	A	sopa.com.au
203.111.163.124	A	www.sopa.com.au
203.111.163.125	PTR	125.163.111.203.syd.ntt.net.au
203.111.163.125	A	waa.org.au
203.111.163.125	A	www.kisiklee.com
203.111.163.126	PTR	126.163.111.203.syd.ntt.net.au
203.111.163.165	PTR	165.163.111.203.syd.ntt.net.au
203.111.163.166	PTR	166.163.111.203.syd.ntt.net.au
203.111.163.167	PTR	167.163.111.203.syd.ntt.net.au
203.111.163.169	PTR	169.163.111.203.syd.ntt.net.au
203.111.163.198	PTR	198.163.111.203.syd.ntt.net.au
203.111.163.199	PTR	199.163.111.203.syd.ntt.net.au
203.111.163.223	PTR	223.163.111.203.syd.ntt.net.au
203.111.163.226	PTR	226.163.111.203.syd.ntt.net.au
203.111.163.226	A	mail.cos.net.au
203.111.163.227	A+PTR	mail.cos.net.au
203.111.163.231	PTR	231.163.111.203.syd.ntt.net.au
203.111.163.231	A	www.cos.net.au