Robtex

Up: 212.25.16.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 212.25.17.0/25
Down right: 212.25.17.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.25.17.2	PTR	2.17.adsl.dolphins.ch
212.25.17.2	A	webserver312.hardundsoft.ch
212.25.17.4	PTR	4.17.adsl.dolphins.ch
212.25.17.4	A	webserver312.hardundsoft.ch
212.25.17.4	A	webserver316.hardundsoft.ch
212.25.17.5	PTR	5.17.adsl.dolphins.ch
212.25.17.5	A	webstation315.hardundsoft.ch
212.25.17.6	PTR	6.17.adsl.dolphins.ch
212.25.17.12	A+PTR	exchange.natco.ch
212.25.17.23	PTR	23.17.fix.vdsl.as8758.net
212.25.17.29	PTR	29.17.fix.adsl.dolphins.ch
212.25.17.29	A	mail2.scherreredv.ch
212.25.17.37	A	tdnts5.touchdown.ch
212.25.17.77	PTR	77-17-adsl.dolphins.ch
212.25.17.90	PTR	mail.maurawasescha.com
212.25.17.102	PTR	102-17-adsl.dolphins.ch
212.25.17.103	PTR	103-17-adsl.dolphins.ch
212.25.17.105	A+PTR	gz.gnasch.ch
212.25.17.106	A+PTR	gr.gnasch.ch
212.25.17.106	A	www.gnasch.ch
212.25.17.106	A	gnasch.ch
212.25.17.107	A+PTR	gw.gnasch.ch
212.25.17.108	A+PTR	gk.gnasch.ch
212.25.17.109	A+PTR	ga.gnasch.ch
212.25.17.110	A	gt.gnasch.ch
212.25.17.112	PTR	112-17-adsl.as8758.net
212.25.17.123	PTR	123-17-adsl.dolphins.ch
212.25.17.124	PTR	124-17-adsl.dolphins.ch
212.25.17.125	PTR	125-17-adsl.dolphins.ch
212.25.17.126	PTR	126-17-adsl.dolphins.ch
212.25.17.128	A+PTR	mail.reoplan.ch
212.25.17.128	A	mail.reonet.ch
212.25.17.128	A	mail.reoplan.cz
212.25.17.129	PTR	www.reonet.ch
212.25.17.143	PTR	143-17-adsl.dolphins.ch
212.25.17.151	PTR	141-17-adsl.dolphins.ch
212.25.17.152	PTR	152-17-adsl.dolphins.ch
212.25.17.153	PTR	153-17-adsl.dolphins.ch
212.25.17.155	PTR	155-17-adsl.dolphins.ch
212.25.17.156	PTR	156-17-adsl.dolphins.ch
212.25.17.156	A	mail.netexpert.ch
212.25.17.160	PTR	network.0x1b.ch
212.25.17.161	PTR	rt-1.0x1b.ch
212.25.17.162	PTR	max.0x1b.ch
212.25.17.162	A	mailhost.0x1b.ch
212.25.17.162	A	irc.0x1b.ch
212.25.17.163	A+PTR	vivian.0x1b.ch
212.25.17.164	A+PTR	billy.0x1b.ch
212.25.17.166	A+PTR	johnny.0x1b.ch
212.25.17.167	A+PTR	deeppurple.durchmesser.ch
212.25.17.168	A+PTR	majorie.0x1b.ch
212.25.17.169	A+PTR	penny.0x1b.ch
212.25.17.170	A+PTR	baby.0x1b.ch
212.25.17.175	A+PTR	broadcast.0x1b.ch
212.25.17.178	A+PTR	mail.swissgas.ch
212.25.17.208	PTR	209-17-adsl.dolphins.ch
212.25.17.209	PTR	209-17-adsl.dolphins.ch
212.25.17.210	PTR	210-17-adsl.dolphins.ch
212.25.17.212	PTR	212-17-adsl.dolphins.ch
212.25.17.213	PTR	213-17-adsl.dolphins.ch
212.25.17.214	PTR	214-17-adsl.dolphins.ch
212.25.17.215	PTR	215-17-adsl.dolphins.ch
212.25.17.220	PTR	220-17-adsl.dolphins.ch
212.25.17.222	PTR	222-17-adsl.dolphins.ch
212.25.17.223	PTR	223-17-adsl.dolphins.ch
212.25.17.224	PTR	224-17-adsl.dolphins.ch
212.25.17.225	PTR	225-17-adsl.dolphins.ch
212.25.17.226	PTR	226-17-adsl.dolphins.ch
212.25.17.231	PTR	231-17-adsl.dolphins.ch
212.25.17.232	PTR	www.dkbe.ch
212.25.17.232	A	captive.site
212.25.17.232	A	mail.captive.site
212.25.17.233	A+PTR	mail.dkbe.ch
212.25.17.236	PTR	236-17-adsl.dolphins.ch
212.25.17.237	PTR	237-17-adsl.dolphins.ch
212.25.17.238	PTR	sg13a-czh.zh.as8758.net
212.25.17.240	PTR	240-17-adsl.dolphins.ch
212.25.17.241	PTR	241-17-adsl.dolphins.ch
212.25.17.241	A	wscag.ch
212.25.17.242	PTR	242-17-adsl.dolphins.ch
212.25.17.243	PTR	243-17-adsl.dolphins.ch
212.25.17.244	PTR	244-17-adsl.dolphins.ch
212.25.17.247	PTR	247-17-adsl.dolphins.ch
212.25.17.248	PTR	248-17-adsl.dolphins.ch
212.25.17.249	PTR	249-17-adsl.dolphins.ch
212.25.17.250	PTR	250-17-adsl.dolphins.ch
212.25.17.252	PTR	248-17-adsl.dolphins.ch
212.25.17.253	PTR	248-17-adsl.dolphins.ch
212.25.17.254	PTR	248-17-adsl.dolphins.ch
212.25.17.255	PTR	248-17-adsl.dolphins.ch