Robtex

Up: 91.236.48.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 91.236.56.0/22
Down right: 91.236.60.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
91.236.57.1	PTR	gw1.focustelecom.pl
91.236.57.65	PTR	vcc-1.focustelecom.pl
91.236.57.66	A+PTR	ivr.systemycallcenter.pl
91.236.57.70	A	vcc-1.focustelecom.pl
91.236.57.71	A	vcc-2.focustelecom.pl
91.236.57.73	PTR	trunkast.focustelecom.pl
91.236.57.74	PTR	vcc4gwww.focustelecom.pl
91.236.57.79	A	thor.focustelecom.pl
91.236.57.80	A+PTR	tm2.focustelecom.pl
91.236.57.80	PTR	vcc4hwww.focustelecom.pl
91.236.57.81	PTR	video.focustelecom.pl
91.236.57.82	A+PTR	telemeeting.pl
91.236.57.82	A	telekonferencja.eu
91.236.57.83	PTR	relay.focustelecom.pl
91.236.57.83	A	miedzynarodowe.com
91.236.57.88	PTR	vcc4fwww.focustelecom.pl
91.236.57.90	PTR	vcc4ewww.focustelecom.pl
91.236.57.96	A+PTR	backoffice.focustelecom.pl
91.236.57.98	PTR	ns2.focustelecom.pl
91.236.57.98	A	focus-contactcenter.pl
91.236.57.98	A	virtualcallcenter.pl
91.236.57.106	A+PTR	nat.focustelecom.pl
91.236.57.109	A	forms.fcc-online.pl
91.236.57.110	A	ms.focustelecom.pl
91.236.57.116	A	vcc4awww.focustelecom.pl
91.236.57.117	A	vcc4asip.focustelecom.pl
91.236.57.120	A	fcc-online.pl
91.236.57.121	PTR	vcc4bwww.focustelecom.pl
91.236.57.121	A	4b.fcc-online.pl
91.236.57.160	PTR	vcc-2.focustelecom.pl
91.236.57.170	PTR	vcc-2.focustelecom.pl
91.236.57.198	A	vcc4isip.focustelecom.pl
91.236.57.199	A	4i.fcc-online.pl
91.236.57.201	PTR	vcc4jwww.focustelecom.pl
91.236.57.203	PTR	vcc4kwww.focustelecom.pl
91.236.57.209	PTR	vcc4nwww.focustelecom.pl
91.236.57.210	A+PTR	fmx1.fcc-online.pl
91.236.57.216	PTR	vcc4swww.focustelecom.pl
91.236.57.218	PTR	vcc4tsip.focustelecom.pl
91.236.57.221	A	fmx2.fcc-online.pl
91.236.57.224	PTR	abc01sip.focustelecom.pl
91.236.57.225	PTR	abc01www.focustelecom.pl
91.236.57.226	PTR	vcc4vsip.focustelecom.pl
91.236.57.227	PTR	vcc4vwww.focustelecom.pl
91.236.57.232	PTR	vcc5asip.focustelecom.pl
91.236.57.233	PTR	vcc5awww.focustelecom.pl
91.236.57.242	A	stx.fcc-online.pl
91.236.57.243	PTR	vcc4txwww.focustelecom.pl
91.236.57.245	A	pli.focustelecom.pl
91.236.57.247	A	cxel.fcc-online.pl
91.236.57.248	A	chat.fcc-online.pl
91.236.57.253	A	ns2.focustelecom.pl
91.236.58.4	A+PTR	ns4.alfaweb.ro
91.236.58.21	A	uvf.ro
91.236.58.29	A	petrecerilacort.ro
91.236.58.200	A	presaortodoxa.ro
91.236.58.200	A	mapp.ro
91.236.58.200	A	www.mapp.ro
91.236.58.201	A	cuvantulortodox.org
91.236.58.202	PTR	vps202.alfaweb.ro
91.236.58.203	PTR	vps203.alfaweb.ro
91.236.58.205	A	cuvantulortodox.org
91.236.61.10	PTR	ip-91-236-61-10.clips.345000.ru
91.236.61.10	A	www.lodir.ru
91.236.61.10	A	www.ofry.ru
91.236.61.128	PTR	ip-91-236-61-128.clips.345000.ru
91.236.61.132	PTR	ip-91-236-61-132.clips.345000.ru
91.236.61.132	A	mail2.etr.su
91.236.61.253	PTR	ip-91-236-61-253.clips.345000.ru
91.236.62.247	PTR	ip-91-236-62-247.clips.345000.ru
91.236.63.25	PTR	ip-91-236-63-25.clips.345000.ru
91.236.63.25	A	spectorg.pro