Robtex

Up: 203.28.20.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 203.28.21.0/25
Down right: 203.28.21.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.28.21.0	PTR	ip000.interflora.com.au
203.28.21.14	A+PTR	gerbera.interflora.com.au
203.28.21.22	A+PTR	cyclamen.interflora.com.au
203.28.21.23	PTR	freesia.interflora.com.au
203.28.21.25	A	imap1.interflora.com.au
203.28.21.26	A+PTR	mysql1.interflora.com.au
203.28.21.27	A+PTR	ns1-t.interflora.com.au
203.28.21.28	A+PTR	ns2-t.interflora.com.au
203.28.21.30	PTR	database-t.interflora.com.au
203.28.21.33	A+PTR	database.interflora.com.au
203.28.21.35	A+PTR	ip035.interflora.com.au
203.28.21.38	A+PTR	ns1.interflora.com.au
203.28.21.48	A+PTR	web01.interflora.com.au
203.28.21.51	A+PTR	pl-203-28-21-51.interflora.com.au
203.28.21.51	A	web04.interflora.com.au
203.28.21.60	A	migs1-t.interflora.com.au
203.28.21.65	PTR	pl3-gw-ek.interflora.com.au
203.28.21.74	A	ns8.interflora.com.au
203.28.21.75	PTR	ip075.interflora.com.au
203.28.21.75	A	ns7.interflora.com.au
203.28.21.76	A	ns6.interflora.com.au
203.28.21.77	A	ns34.interflora.com.au
203.28.21.78	PTR	ip078.interflora.com.au
203.28.21.78	A	ns33.interflora.com.au
203.28.21.79	A+PTR	pl-203-28-21-79.interflora.com.au
203.28.21.88	A	pl-203-28-21-88.interflora.com.au
203.28.21.91	A+PTR	ip091.interflora.com.au
203.28.21.92	A+PTR	pl-203-28-21-92.interflora.com.au
203.28.21.92	A	ip092.interflora.com.au
203.28.21.100	A	wattle.interflora.com.au
203.28.21.101	A+PTR	dmzmail2.interflora.com.au
203.28.21.104	A	florists.com.au
203.28.21.105	PTR	dmzmail.interflora.com.au
203.28.21.105	A	fruitbasket.sg
203.28.21.105	A	hampers.cn
203.28.21.109	PTR	my.interflora.com.au
203.28.21.120	PTR	ip120.interflora.com.au
203.28.21.121	A+PTR	orchid.interflora.com.au
203.28.21.125	PTR	begonia.interflora.com.au
203.28.21.128	A+PTR	pr-203-28-21-128.interflora.com.au
203.28.21.128	A	ip128.interflora.com.au
203.28.21.135	PTR	ip135.interflora.com.au
203.28.21.144	A+PTR	ip144.interflora.com.au
203.28.21.156	PTR	ip156.interflora.com.au
203.28.21.157	PTR	ip157.interflora.com.au
203.28.21.158	PTR	ip158.interflora.com.au
203.28.21.161	PTR	ip161.interflora.com.au
203.28.21.166	A+PTR	wl-203-28-21-166.interflora.com.au
203.28.21.167	A+PTR	ns11.interflora.com.au
203.28.21.172	A+PTR	wl-203-28-21-172.interflora.com.au
203.28.21.172	A	ip172.interflora.com.au
203.28.21.178	A+PTR	dmzmail11.interflora.com.au
203.28.21.181	A+PTR	ip181.interflora.com.au
203.28.21.184	A+PTR	wd-203-28-21-184.interflora.com.au
203.28.21.185	A	wd-203-28-21-185.interflora.com.au
203.28.21.194	PTR	ip194.interflora.com.au
203.28.21.197	A+PTR	ip197.interflora.com.au
203.28.21.208	A+PTR	ip208.interflora.com.au
203.28.21.219	A	ip219.interflora.com.au
203.28.21.222	A+PTR	ip222.interflora.com.au
203.28.21.228	PTR	ip228.interflora.com.au
203.28.21.245	PTR	ip245.interflora.com.au
203.28.21.252	A+PTR	dd-203-28-21-252.interflora.com.au
203.28.21.252	A	ip252.interflora.com.au
203.28.21.255	PTR	ip255.interflora.com.au