Robtex

Up: 80.90.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 80.90.0.0/20
Down right: 80.90.16.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
80.90.0.0	PTR	ip-80-90-0-0.ax5z.com
80.90.0.1	A+PTR	dns1.datagrupa.lv
80.90.0.2	PTR	ip0-02.datagrupa.lv
80.90.0.3	A+PTR	dns3.datagrupa.lv
80.90.0.3	A	proxy.datagrupa.lv
80.90.0.5	A	mkl-mit.lv
80.90.0.70	A	spider.datagrupa.lv
80.90.0.71	A	tarantula.datagrupa.lv
80.90.0.98	PTR	ip0-98.datagrupa.lv
80.90.0.128	PTR	ip-80-90-0-128.ax5z.com
80.90.0.131	PTR	forevers.lv
80.90.0.162	PTR	ge00-200.c2.datagrupa.lv
80.90.0.192	PTR	ip0-192.datagrupa.lv
80.90.0.195	PTR	ip0-195.datagrupa.lv
80.90.0.227	PTR	ip0-227.datagrupa.lv
80.90.1.0	PTR	ip1-0.datagrupa.lv
80.90.1.3	PTR	ip1-3.datagrupa.lv
80.90.1.26	A	ns.skylife.lv
80.90.1.26	A	skylife.lv
80.90.1.26	A	mail.skylife.lv
80.90.1.33	PTR	ip1-33.datagrupa.lv
80.90.1.70	A	exmx.pnbbanka.eu
80.90.1.70	A	exmx.norvikbank.eu
80.90.1.70	A	techno.norvik.lv
80.90.1.162	PTR	ip1-162.donaw.com
80.90.1.192	PTR	ip1-192.datagrupa.lv
80.90.2.6	A	mail.shineandfine.eu
80.90.2.6	A	mail.mikropigmentacija.eu
80.90.2.132	A	biomedexport.com
80.90.3.34	PTR	ip3-34.datagroup.ru
80.90.3.113	A	c10gt.datagrupa.net
80.90.4.2	A+PTR	office-4-2.kenga.net
80.90.4.7	A	mail.kalnciems.lv
80.90.4.7	A	office-4-7.kenga.net
80.90.4.13	A	office-4-13.kenga.net
80.90.4.43	A	office-4-43.kenga.net
80.90.4.47	A	office-4-47.kenga.net
80.90.4.48	A	office-4-48.kenga.net
80.90.4.60	A	office-4-60.kenga.net
80.90.4.76	A	office-4-76.kenga.net
80.90.4.101	A	home-4-101.imanta.kenga.net
80.90.4.132	PTR	office-4-132.kenga.net
80.90.4.132	A	reverans.lv
80.90.4.132	A	banket.lv
80.90.5.3	A	pdx.kenga.net
80.90.5.55	A	mail.weekdevice.lv
80.90.5.118	PTR	ip5-118.datagrupa.lv
80.90.5.180	A	home-5-180.kenga.net
80.90.5.223	A	home-5-223.kenga.net
80.90.6.96	A	sirius-6-96.kenga.net
80.90.6.97	A	sirius-6-97.kenga.net
80.90.6.98	PTR	ip-80-90-6-98.ax5z.com
80.90.6.98	A	sirius-6-98.kenga.net
80.90.6.99	PTR	ip6-99.datagrupa.lv
80.90.6.99	A	sirius-6-99.kenga.net
80.90.6.145	A+PTR	ip145.prezent.lv
80.90.7.227	PTR	ws34.maskavas279-8.hacker.lv
80.90.8.112	A	0393heima.com
80.90.9.22	A	mail.mkdc.lv
80.90.9.22	A	smtp.mkdc.lv
80.90.9.22	A	mail.mkbc-tour.lv
80.90.9.77	A	aprupe.com
80.90.10.2	PTR	ip10-2.datagrupa.lv
80.90.10.27	A	mx1.fin77.com
80.90.12.2	A+PTR	ip12-2.demvar.lv
80.90.12.34	A	ns2.demvar.lv
80.90.12.35	A	ns.demvar.lv
80.90.12.36	A	proxy.demvar.lv
80.90.12.49	A	ip12-49.demvar.lv
80.90.12.114	A	ip12-114.demvar.lv
80.90.12.202	A	www.violastils.lv
80.90.12.202	A	violastils.lv
80.90.12.210	A	tilts.demvar.lv
80.90.13.2	A+PTR	ip13-2.demvar.lv
80.90.13.13	A	ip13-13.demvar.lv
80.90.13.218	A	ljot4ik.demvar.lv
80.90.14.2	A+PTR	ip14-2.demvar.lv
80.90.15.1	A+PTR	ip15-1.demvar.lv
80.90.15.2	A+PTR	ip15-2.demvar.lv
80.90.15.3	A+PTR	ip15-3.demvar.lv
80.90.15.4	A+PTR	ip15-4.demvar.lv
80.90.15.99	A+PTR	ip15-99.demvar.lv
80.90.15.187	A	ip15-187.demvar.lv
80.90.16.0	PTR	ip16-0.starnet.lv
80.90.16.15	A	ip16-15.demvar.lv
80.90.16.220	A	mail2.starnet.lv
80.90.16.220	A	ns2.starnet.lv
80.90.18.96	PTR	ip18-96.starnet.lv
80.90.20.1	PTR	ip20-1.datagrupa.lv
80.90.20.2	PTR	ip20-2.datagrupa.lv
80.90.21.2	PTR	ip21-2.datagrupa.lv
80.90.21.38	A	girlsbasket.eu
80.90.23.2	PTR	ip23-2.datagrupa.lv
80.90.24.2	PTR	ip24-2.starnet.lv
80.90.25.2	PTR	ip25-2.starnet.lv
80.90.27.99	PTR	ip27-99.starnet.lv
80.90.28.2	PTR	ip28-2.datagrupa.lv
80.90.29.1	A	c10gt.datagrupa.net
80.90.29.2	A	lg10g.datagrupa.lv
80.90.29.8	A	c10gt.datagrupa.net
80.90.29.10	A	c10gt.datagrupa.net
80.90.29.14	A	c10gt.datagrupa.net
80.90.30.0	PTR	ip-80-90-30-0.ax5z.com
80.90.30.2	PTR	ip30-2.datagrupa.lv
80.90.30.3	PTR	ip30-3.datagrupa.lv
80.90.31.2	PTR	ip31-2.datagrupa.lv