Robtex

Up: 81.92.128.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 81.92.136.0/22
Down right: 81.92.140.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.92.136.2	A+PTR	ns1.ibernet.net
81.92.136.3	A	svttsib01.ibernet.net
81.92.136.4	A+PTR	svrm01.ibernet.net
81.92.136.5	A+PTR	ns2.ibernet.net
81.92.136.10	A+PTR	svrm02.ibernet.net
81.92.136.11	A+PTR	svmb02.ibernet.net
81.92.136.12	A+PTR	svrm03.ibernet.net
81.92.136.12	A	mx01.portnou.com
81.92.136.13	PTR	svrm04.ibernet.net
81.92.136.17	PTR	vpn03.ibernet.net
81.92.136.17	A	hl.atlas.winet.dcc.ufmg.br
81.92.136.20	A	svsm.ibernet.net
81.92.136.25	A	lb.ibernet.net
81.92.136.33	A+PTR	svrm05.ibernet.net
81.92.136.35	A+PTR	svrm06.ibernet.net
81.92.136.37	A	svrm07.ibernet.net
81.92.136.38	A	svcv02.ibernet.net
81.92.137.2	A+PTR	svhcexp01.ibernet.net
81.92.137.3	PTR	svhcl01.ibernet.net
81.92.137.3	A	recetasbimbo.com
81.92.137.3	A	panortiz.com
81.92.137.4	PTR	svhcw01.ibernet.net
81.92.137.8	PTR	svhcftp01.ibernet.net
81.92.137.9	A+PTR	svhcl01e.ibernet.net
81.92.137.10	PTR	svhcl02.ibernet.net
81.92.137.10	A	ibernet.cat
81.92.137.10	A	mail.acefataie.com
81.92.137.11	PTR	svhcd03.ibernet.net
81.92.137.11	A	xn--standardhidrulica-ipb.com
81.92.137.14	A	mail.acefataie.com
81.92.137.14	A	clevertaps.com
81.92.137.15	A	recetasbimbo.com
81.92.137.15	A	panortiz.com
81.92.138.1	PTR	fw.ibernet.net
81.92.138.2	PTR	pal.ibernet.net
81.92.138.3	A+PTR	arinsal.ibernet.net
81.92.138.4	A	montblanc.ibernet.net
81.92.138.5	A	vpn08.ibernet.net
81.92.138.7	A	bierzo.ibernet.net
81.92.138.8	A+PTR	bierzo.ibernet.net
81.92.138.9	A+PTR	capri.ibernet.net
81.92.138.10	A+PTR	grandvalira.ibernet.net
81.92.138.11	A+PTR	svhdl03.ibernet.net
81.92.138.16	A+PTR	svhdw03.ibernet.net
81.92.138.17	A+PTR	svhdw04.ibernet.net
81.92.138.21	A	mail.reedonline.es
81.92.138.21	A	mail.alimentariaonline.es
81.92.138.25	A	cornellaweb.cat
81.92.138.25	A	svhdw09.ibernet.net
81.92.138.25	A	cornellaweb.com
81.92.138.32	A+PTR	svhdl10.ibernet.net
81.92.138.33	PTR	svhdl11.ibernet.net
81.92.138.34	PTR	svhdl12.ibernet.net
81.92.138.35	A	correu.santquirzedelvalles.cat
81.92.138.41	PTR	svhdw14.ibernet.net
81.92.138.41	A	maghrebat.com
81.92.138.41	A	xn--standardhidrulica-ipb.com
81.92.138.43	PTR	svhdl16.ibernet.net
81.92.138.49	PTR	svhdl20.ibernet.net
81.92.138.50	PTR	svhdl21.ibernet.net
81.92.138.51	PTR	owa.kadion.com
81.92.138.56	PTR	svhdl24.ibernet.net
81.92.138.57	A+PTR	svhdl25.ibernet.net
81.92.138.57	A	santcugat.org
81.92.138.57	A	www.santcugat.cat
81.92.138.59	A	mail.idgrup.com
81.92.138.71	A	sae-atm.cat
81.92.138.71	A	www.sae-atm.cat
81.92.138.76	PTR	svhdl28.ibernet.net
81.92.138.78	A	mail.winandken.es
81.92.138.78	A	svhdl75.ibernet.net
81.92.138.78	A	winandken.es
81.92.138.80	PTR	svhdl45.ibernet.net
81.92.138.80	A	ibernet.cat
81.92.138.82	PTR	svhdl31.ibernet.net
81.92.138.82	A	mx.coac.cat
81.92.138.82	A	mx.coac.net
81.92.138.94	A	www.iagauction.com
81.92.138.94	A	iagauction.com
81.92.138.97	A	www.nccgrup.com
81.92.138.97	A	nccgrup.com
81.92.138.111	A	mail.grupopuma.com
81.92.138.120	A	mail.acefhat.com
81.92.138.120	A	mail.acefat.com
81.92.138.123	A	www.ewise.es
81.92.138.133	A	aventia.es
81.92.138.150	A	aventia.com
81.92.138.150	A	www.aventia.com
81.92.138.163	PTR	interflora.es
81.92.138.163	A	cuantocuestasoportarme.com
81.92.138.163	A	diseloconflores.org
81.92.138.186	A	alimentandoelcambio.com
81.92.138.186	A	mahalaalzamora.com
81.92.138.186	A	ns.mahala.org
81.92.138.193	A+PTR	vpn22.ibernet.net
81.92.138.193	A	weblie.es
81.92.138.194	PTR	vpn22.ibernet.net
81.92.138.195	PTR	vpn22.ibernet.net
81.92.138.196	PTR	vpn22.ibernet.net
81.92.138.200	PTR	vpn22.ibernet.net
81.92.138.200	A	meda-corpus.net
81.92.138.200	A	caateeb.cat
81.92.138.201	PTR	vpn22.ibernet.net
81.92.138.202	PTR	vpn22.ibernet.net
81.92.138.203	PTR	vpn22.ibernet.net
81.92.138.208	PTR	vpn23.ibernet.net
81.92.138.209	PTR	vpn24.ibernet.net
81.92.138.247	A	apabcn.cat
81.92.140.8	A	rexbcnwebp001.reediberia.com
81.92.140.13	A	mail.dir.cat
81.92.140.13	A	dirfitness.es
81.92.140.13	A	mail2.dirfitness.es
81.92.140.14	PTR	owadir.cat
81.92.140.22	A	yogaone.cat
81.92.140.22	A	www.yogaone.es
81.92.140.22	A	dir.cat
81.92.140.24	A	mail.vertix.es
81.92.143.252	PTR	alpi-bcn-b.ibernet.net
81.92.143.253	PTR	alpi-bcn.ibernet.net
81.92.143.254	PTR	fw.ibernet.net