Robtex

Up: 217.8.192.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 217.8.208.0/21
Down right: 217.8.216.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
217.8.208.50	PTR	mail.comlab.ch
217.8.208.148	A	oldmail.netexpert.ch
217.8.209.66	A	mail.scope.ch
217.8.209.95	A	209.95.static-adsl.customer.ch.easynet.net
217.8.209.96	A	209.96.static-adsl.customer.ch.easynet.net
217.8.209.97	A+PTR	209.97.static-adsl.customer.ch.easynet.net
217.8.209.151	A	209.151.static-adsl.customer.ch.easynet.net
217.8.209.189	A	mail.wkfgestion.com
217.8.209.189	A	gate.wkflegal.com
217.8.209.189	A	wkfgestion.com
217.8.210.2	A	210.2.static-adsl.customer.ch.easynet.net
217.8.210.5	A	210.5.static-adsl.customer.ch.easynet.net
217.8.210.6	A	210.6.static-adsl.customer.ch.easynet.net
217.8.210.95	A	210.95.static-adsl.customer.ch.easynet.net
217.8.210.122	A	210.122.static-adsl.customer.ch.easynet.net
217.8.210.138	A	210.138.static-adsl.customer.ch.easynet.net
217.8.210.151	A	210.151.static-adsl.customer.ch.easynet.net
217.8.210.167	A	210.167.static-adsl.customer.ch.easynet.net
217.8.210.177	A	210.177.static-adsl.customer.ch.easynet.net
217.8.210.188	A	210.188.static-adsl.customer.ch.easynet.net
217.8.210.218	A	210.218.static-adsl.customer.ch.easynet.net
217.8.210.220	A	210.220.static-adsl.customer.ch.easynet.net
217.8.210.233	A	210.233.static-adsl.customer.ch.easynet.net
217.8.210.245	A	210.245.static-adsl.customer.ch.easynet.net
217.8.211.9	A	211.9.static-adsl.customer.ch.easynet.net
217.8.211.14	A	211.14.static-adsl.customer.ch.easynet.net
217.8.211.48	A	211.48.static-adsl.customer.ch.easynet.net
217.8.211.78	A	211.78.static-adsl.customer.ch.easynet.net
217.8.211.90	A	211.90.static-adsl.customer.ch.easynet.net
217.8.211.126	A	211.126.static-adsl.customer.ch.easynet.net
217.8.211.147	PTR	211.147.static-adsl.customer.ch.easynet.net
217.8.211.151	A	211.151.static-adsl.customer.ch.easynet.net
217.8.211.154	A	211.154.static-adsl.customer.ch.easynet.net
217.8.211.181	A	211.181.static-adsl.customer.ch.easynet.net
217.8.211.224	A	net.home4u.ch
217.8.211.225	A	gate.home4u.ch
217.8.211.231	A	bc.home4u.ch
217.8.211.234	A	211.234.static-adsl.customer.ch.easynet.net
217.8.212.1	A+PTR	212.1.static-adsl.customer.ch.easynet.net
217.8.212.14	A	212.14.static-adsl.customer.ch.easynet.net
217.8.212.20	A	212.20.static-adsl.customer.ch.easynet.net
217.8.212.36	A	212.36.static-adsl.customer.ch.easynet.net
217.8.212.42	A	212.42.static-adsl.customer.ch.easynet.net
217.8.212.63	A	212.63.static-adsl.customer.ch.easynet.net
217.8.212.64	PTR	net.emineo.ch
217.8.212.107	A	212.107.static-adsl.customer.ch.easynet.net
217.8.212.120	A	212.120.static-adsl.customer.ch.easynet.net
217.8.212.155	A	212.155.static-adsl.customer.ch.easynet.net
217.8.212.172	A	212.172.static-adsl.customer.ch.easynet.net
217.8.212.183	A	212.183.static-adsl.customer.ch.easynet.net
217.8.212.203	A	212.203.static-adsl.customer.ch.easynet.net
217.8.212.213	A	212.213.static-adsl.customer.ch.easynet.net
217.8.212.218	A	212.218.static-adsl.customer.ch.easynet.net
217.8.212.221	A	212.221.static-adsl.customer.ch.easynet.net
217.8.213.102	A	213.102.static-adsl.customer.ch.easynet.net
217.8.213.160	PTR	213.160.static-adsl.customer.ch.easynet.net
217.8.214.3	PTR	ns1.paped.com
217.8.214.4	PTR	www.paped.com
217.8.214.11	A	214.11.static-adsl.customer.ch.easynet.net
217.8.214.66	PTR	unimatrix.borg.ch
217.8.214.67	PTR	locutus.borg.ch
217.8.216.31	A	216.31.static-adsl.customer.ch.easynet.net
217.8.216.42	A	216.42.static-adsl.customer.ch.easynet.net
217.8.216.66	PTR	216.66.static-adsl.customer.ch.easynet.net
217.8.216.73	A	216.73.static-adsl.customer.ch.easynet.net
217.8.216.97	A+PTR	216.97.static-adsl.customer.ch.easynet.net
217.8.216.99	A	mail.tamoilsuisse.ch
217.8.216.121	A	216.121.static-adsl.customer.ch.easynet.net
217.8.216.126	A	216.126.static-adsl.customer.ch.easynet.net
217.8.216.135	A	216.135.static-adsl.customer.ch.easynet.net
217.8.216.136	A	216.136.static-adsl.customer.ch.easynet.net
217.8.216.142	A	216.142.static-adsl.customer.ch.easynet.net
217.8.216.172	A	216.172.static-adsl.customer.ch.easynet.net
217.8.216.197	A	216.197.static-adsl.customer.ch.easynet.net
217.8.216.204	A	216.204.static-adsl.customer.ch.easynet.net
217.8.216.212	A	216.212.static-adsl.customer.ch.easynet.net
217.8.216.230	A	216.230.static-adsl.customer.ch.easynet.net
217.8.217.9	A	mail01.btvv.ch
217.8.217.32	A	mx3.mondaine.ch
217.8.217.36	A	mail.marlox.at
217.8.217.36	A	mail.junghans.at
217.8.217.45	A	content-one.biz
217.8.217.67	PTR	ns1.kvzbs.ch
217.8.219.26	A	www.ibchat.com
217.8.220.56	A	220.56.dyn-adsl.customer.ch.easynet.net
217.8.220.67	A	moerk-nozohour.dk
217.8.220.78	A	220.78.dyn-adsl.customer.ch.easynet.net
217.8.220.89	A	220.89.dyn-adsl.customer.ch.easynet.net
217.8.220.93	A	220.93.dyn-adsl.customer.ch.easynet.net
217.8.220.98	A	220.98.dyn-adsl.customer.ch.easynet.net
217.8.220.99	A	220.99.dyn-adsl.customer.ch.easynet.net
217.8.220.134	A	220.134.dyn-adsl.customer.ch.easynet.net
217.8.220.140	A	220.140.dyn-adsl.customer.ch.easynet.net
217.8.220.180	A	220.180.dyn-adsl.customer.ch.easynet.net
217.8.220.181	A	220.181.dyn-adsl.customer.ch.easynet.net
217.8.220.188	A	220.188.dyn-adsl.customer.ch.easynet.net
217.8.220.246	A	220.246.dyn-adsl.customer.ch.easynet.net
217.8.221.182	A	ns2.warplink.ch
217.8.221.182	A	dns2.webteam.ch
217.8.221.182	A	ns1.easy-com.ch
217.8.223.1	PTR	congressorg.ch
217.8.223.16	A	223.16.dyn-adsl.customer.ch.easynet.net
217.8.223.107	A	223.107.dyn-adsl.customer.ch.easynet.net
217.8.223.111	A	223.111.dyn-adsl.customer.ch.easynet.net
217.8.223.112	PTR	host112.it-master.net