Robtex

Up: 81.221.254.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 81.221.254.0/25
Down right: 81.221.254.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.221.254.5	PTR	web01.agrinet.ch
81.221.254.5	A	www.scons.ch
81.221.254.5	A	www.hautle.ch
81.221.254.6	PTR	web02.agrinet.ch
81.221.254.6	A	gca.ch
81.221.254.6	A	mmil.ch
81.221.254.21	PTR	ftp.green.ch
81.221.254.21	A	ftp.fairtrade.ch
81.221.254.21	A	ftp.dwj.ch
81.221.254.31	A	fes.ch
81.221.254.39	PTR	smtp.switchplus.ch
81.221.254.49	PTR	mail.genotec.ch
81.221.254.50	A+PTR	smtpgate01.genotec.ch
81.221.254.51	A+PTR	smtpgate02.genotec.ch
81.221.254.52	A	smtpgate03.genotec.ch
81.221.254.53	A	smtpgate04.genotec.ch
81.221.254.54	A	listservergate01.genotec.ch
81.221.254.55	A+PTR	listservergate02.genotec.ch
81.221.254.56	A	listservergate03.genotec.ch
81.221.254.57	A	listservergate04.genotec.ch
81.221.254.58	A+PTR	smtp.genotec.ch
81.221.254.58	A	mail.ihv-tgb.ch
81.221.254.58	A	smtp.cup-s.ch
81.221.254.59	A+PTR	listserver.genotec.ch
81.221.254.70	A	mail.bacher-eng.ch
81.221.254.70	A	mail.buhlmannlabs.ch
81.221.254.100	A+PTR	imp01n.agrinet.ch
81.221.254.104	PTR	sms.green.ch
81.221.254.104	A	smsgw.tic.ch
81.221.254.105	A+PTR	imp05n.agrinet.ch
81.221.254.108	PTR	exsmtp72.switzerland.net
81.221.254.109	A	mail14.green.ch
81.221.254.110	A	mail13.green.ch
81.221.254.111	A	mail12.green.ch
81.221.254.112	A+PTR	mail11.green.ch
81.221.254.113	A	mail10.green.ch
81.221.254.115	A+PTR	smtp.green.ch
81.221.254.116	A	newsletter.green.ch
81.221.254.117	A	listserver2.agrinet.ch
81.221.254.123	A+PTR	listserver.agrinet.ch
81.221.254.135	PTR	www.green.ch
81.221.254.135	A	www.business.green.ch
81.221.254.135	A	www.agrinet.ch
81.221.254.152	PTR	smtp.mail-ch.ch
81.221.254.152	A	smtp.switzerland.net
81.221.254.152	A	smtp.telenetz.ch
81.221.254.153	A	mail.bacher-eng.ch
81.221.254.153	A	mail.sfw.ch
81.221.254.153	A	mail.tic.ch
81.221.254.154	PTR	pop.agri.ch
81.221.254.154	PTR	pop.mail-ch.ch
81.221.254.154	A	pop.active.ch
81.221.254.155	A	imap.mail-ch.ch
81.221.254.155	A	imap.aae-ouaga.org
81.221.254.155	A	mail.dalcorobbo.ch
81.221.254.156	A	mail.lbinterfinanz.ch
81.221.254.156	A	document3d.ch
81.221.254.156	A	webmail.molinopartners.ch
81.221.254.157	A	autodiscover.mail-ch.ch
81.221.254.165	A	test.phuong.ch
81.221.254.165	A	revendex.greendisk.ch
81.221.254.165	A	*.greendisk.ch
81.221.254.170	A	smtp.test.agrinet.ch
81.221.254.175	A	mail.test.agrinet.ch
81.221.254.190	A+PTR	smtp.messaging.ch
81.221.254.191	A+PTR	pop.messaging.ch
81.221.254.191	A	pop.vlp-aspan.ch
81.221.254.192	A+PTR	imap.messaging.ch
81.221.254.193	A+PTR	www.messaging.ch
81.221.254.195	PTR	mail.messaging.ch
81.221.254.195	A	mail.lips-ag.ch
81.221.254.195	A	mail.mauli.net
81.221.254.197	A	webmail.mylogin.org
81.221.254.200	A+PTR	exsmtp01.agrinet.ch
81.221.254.201	A+PTR	exsmtp02.agrinet.ch
81.221.254.202	A+PTR	exsmtp03.agrinet.ch
81.221.254.203	A+PTR	exsmtp04.agrinet.ch
81.221.254.203	A	haveco.ch
81.221.254.204	A+PTR	exsmtp11.agrinet.ch
81.221.254.204	A	exsmtp05.agrinet.ch
81.221.254.205	A+PTR	exsmtp12.agrinet.ch
81.221.254.205	A	exsmtp06.agrinet.ch
81.221.254.206	A+PTR	exsmtp13.agrinet.ch
81.221.254.206	A	exsmtp07.agrinet.ch
81.221.254.207	A+PTR	exsmtp14.agrinet.ch
81.221.254.207	A	exsmtp08.agrinet.ch
81.221.254.208	A	exsmtp21.agrinet.ch
81.221.254.208	A	exsmtp09.agrinet.ch
81.221.254.209	A+PTR	exsmtp22.agrinet.ch
81.221.254.209	A	exsmtp10.agrinet.ch
81.221.254.210	A+PTR	exsmtp23.agrinet.ch
81.221.254.211	A+PTR	exsmtp24.agrinet.ch
81.221.254.214	A+PTR	exsmtp33.agrinet.ch
81.221.254.215	A+PTR	exsmtp34.agrinet.ch
81.221.254.216	A	arr.ch
81.221.254.222	A+PTR	exsmtp43.agrinet.ch
81.221.254.223	A+PTR	exsmtp44.agrinet.ch
81.221.254.226	A+PTR	exsmtp53.agrinet.ch
81.221.254.227	A+PTR	exsmtp54.agrinet.ch
81.221.254.230	A+PTR	exsmtp63.agrinet.ch