Robtex

Up: 83.137.64.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 83.137.80.0/21
Down right: 83.137.88.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
83.137.80.10	A	ns1.fibrelac.ch
83.137.80.10	A	ns1.fibrelac.com
83.137.80.11	A	90dns01.fibrelac.com
83.137.80.11	A	90dns01.fibrelac.ch
83.137.80.22	A	ns2.eefpowernet.ch
83.137.80.34	A+PTR	01srv01.fibrelac.com
83.137.80.34	A	01srv01.fibrelac.ch
83.137.80.65	A+PTR	mail.creatives.com
83.137.80.66	A+PTR	vesrv066.creatives.com
83.137.80.68	A	vesrv068.creatives.com
83.137.80.68	A	mail.baertschis.com
83.137.80.82	A+PTR	02srv01.fibrelac.com
83.137.80.82	A	02srv01.fibrelac.ch
83.137.80.85	A	90nms01.fibrelac.ch
83.137.80.85	A	90nms01.fibrelac.com
83.137.80.129	A	vesrv129.creatives.com
83.137.80.130	A	vesrv130.creatives.com
83.137.80.131	A	vesrv131.creatives.com
83.137.80.132	A	vesrv132.creatives.com
83.137.80.146	PTR	pa-assurance.ch
83.137.80.146	A	dns1.funtana.fr
83.137.80.147	A+PTR	dns2.funtana.fr
83.137.80.149	A	www1.funtana.fr
83.137.80.149	A	www.funtana.fr
83.137.80.178	PTR	f.gamboni.org
83.137.80.178	A	6v8.gamboni.org
83.137.80.187	A	beas77.funtana.fr
83.137.80.202	A	gwflan.fibrelac.com
83.137.80.202	A	gwflan.fibrelac.ch
83.137.80.203	A	mail.fibrelac.com
83.137.80.203	A	mail.fibrelac.ch
83.137.81.17	PTR	17.81.rev.fibrelac.com
83.137.81.17	A	20gge.fr-ch.cust.fibrelac.ch
83.137.81.18	A	20gzh.fr-ch.cust.fibrelac.ch
83.137.81.64	PTR	64.81.rev.fibrelac.com
83.137.81.83	A	raspo.ch
83.137.81.100	PTR	smtp01-arr.quicksite.ch
83.137.81.100	A	vaudfamille.ch
83.137.81.100	A	neuchatelfamille.ch
83.137.81.103	PTR	smtp03.quicksite.ch
83.137.81.113	PTR	smtp13.quicksite.ch
83.137.81.113	A	boulangeries-polli.ch
83.137.81.113	A	www.staugustin.ch
83.137.81.115	PTR	smtp15.quicksite.ch
83.137.81.117	PTR	smtp17.quicksite.ch
83.137.81.133	A	delwesteurope.biz
83.137.81.133	A	mail.ub-ts.com
83.137.81.133	A	*.ub-ts.com
83.137.81.135	A	mail.delwesteurope.com
83.137.81.140	PTR	webmail.globaljetlux.com
83.137.81.230	PTR	dns1.cortex-it.ch
83.137.81.231	PTR	dns2.cortex-it.ch
83.137.81.242	PTR	mail1.cortex-it.ch
83.137.81.243	PTR	mail2.cortex-it.ch
83.137.82.19	A	rivnet.ch
83.137.82.35	A	mail.voxys.ch
83.137.82.58	A	smtp.cmail.ch
83.137.82.59	A	mx.suterviandes.ch
83.137.82.59	A	smtp.suterviandes.ch
83.137.82.66	PTR	66.82.rev.fibrelac.com
83.137.82.70	A	smtp.haut-lac.ch
83.137.82.70	A	mail.haut-lac.ch
83.137.82.70	A	smtp.swissfieldtrip.com
83.137.82.80	PTR	80.82.rev.fibrelac.com
83.137.82.82	PTR	82.82.rev.fibrelac.com
83.137.82.82	A	infolio.haut-lac.ch
83.137.82.89	A	mail.vonauw.ch
83.137.82.114	PTR	114.82.rev.fibrelac.com
83.137.82.195	PTR	195.82.rev.fibrelac.com
83.137.82.212	A	ftp.galderma.com
83.137.82.215	A	wweursmtp03.galderma.com
83.137.82.215	A	smtp.galderma.com
83.137.82.229	A	mail.galderma.com
83.137.84.18	A	mail.eglin.ch
83.137.85.81	PTR	81.85.rev.fibrelac.com
83.137.86.34	PTR	34.86.rev.fibrelac.com
83.137.86.99	PTR	99.86.rev.fibrelac.com
83.137.86.210	PTR	210.86.rev.fibrelac.com
83.137.88.5	A+PTR	octopus5.pib.com.ua
83.137.88.5	A	ns.pib.com.ua
83.137.88.7	A+PTR	ns2.pib.com.ua
83.137.88.11	A+PTR	octopus11.pib.com.ua
83.137.88.16	A+PTR	mx1.pib.com.ua
83.137.88.19	PTR	www11.pib.ua
83.137.88.19	A	pib.com.ua
83.137.88.19	A	www.pib.ua
83.137.88.28	PTR	bifit01.pib.ua
83.137.88.133	A+PTR	ns1.pib.com.ua
83.137.88.135	A+PTR	mailgate.pib.ua
83.137.88.137	A+PTR	mailgate.pib.ua
83.137.88.151	A	ssl-gate.pib.ua