Robtex

Up: 203.23.30.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 203.23.30.0/26
Down right: 203.23.30.64/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.23.30.1	A+PTR	ark.genesis.net.au
203.23.30.2	A	ark2.genesis.net.au
203.23.30.6	A+PTR	ata1.genesis.net.au
203.23.30.8	A	wap-house.genesis.net.au
203.23.30.9	A	wap-shed.genesis.net.au
203.23.30.12	A+PTR	eve.genesis.net.au
203.23.30.22	A	moon.genesis.net.au
203.23.30.31	A+PTR	admin.genesis.net.au
203.23.30.41	A+PTR	main.genesis.net.au
203.23.30.41	A	www.genesis.net.au
203.23.30.41	A	dns.genesis.net.au
203.23.30.42	A+PTR	virtual.genesis.net.au
203.23.30.42	A	dns2.genesis.net.au
203.23.30.43	A+PTR	webmail.genesis.net.au
203.23.30.43	A	mail.genesis.net.au
203.23.30.44	A+PTR	db.genesis.net.au
203.23.30.51	A+PTR	cd.genesis.net.au
203.23.30.61	A+PTR	nas1.genesis.net.au
203.23.30.62	A+PTR	nas2.genesis.net.au
203.23.30.63	A+PTR	nas3.genesis.net.au
203.23.30.71	A	hp5m.genesis.net.au
203.23.30.74	A	hp2840.genesis.net.au
203.23.30.74	A	hp2840h.genesis.net.au
203.23.30.81	A+PTR	ct200-1.genesis.net.au
203.23.30.82	A+PTR	ct200-2.genesis.net.au
203.23.30.101	A	jss-pc1.genesis.net.au
203.23.30.102	A	jss-pc2.genesis.net.au
203.23.30.103	A	kids-pc1.genesis.net.au
203.23.30.104	A	kids-pc2.genesis.net.au
203.23.30.111	A	jss-lt1.genesis.net.au
203.23.30.112	A	jss-lt2.genesis.net.au
203.23.30.113	A	jss-lt3.genesis.net.au
203.23.30.114	A	tms-lt1.genesis.net.au
203.23.30.116	A	jgs-lt1.genesis.net.au
203.23.30.117	A	ajs-lt1.genesis.net.au
203.23.30.118	A	xtms-lt1.genesis.net.au
203.23.30.119	A+PTR	ejs-lt1.genesis.net.au