Robtex

Up: 128.140.176.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 128.140.176.0/23
Down right: 128.140.178.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
128.140.176.1	A	dns.netwave-bg.com
128.140.176.2	A	optone.netwave-bg.com
128.140.176.3	A	ns.netwave-bg.com
128.140.176.4	PTR	mbox-4.netwave-bg.com
128.140.176.4	A	www.finesmobile.com
128.140.176.4	A	finesmobile.com
128.140.176.8	PTR	prometheus.netwave-bg.com
128.140.176.8	A	mail.appetitmarket.com
128.140.176.8	A	mail.netwave-bg.com
128.140.176.13	A+PTR	moon.netwave-bg.com
128.140.176.13	A	ns.vlvo-lan.net
128.140.176.14	A+PTR	fobos.netwave-bg.com
128.140.176.14	A	ns1.vlvo-lan.net
128.140.176.16	PTR	nw-vsrv-101.netwave-bg.com
128.140.176.16	A	jobradar.bg
128.140.176.18	A	hydrostroy.com
128.140.176.18	A	bituminabg.com
128.140.176.18	A	*.hydrostroy.com
128.140.176.86	A	miracle.netwave-bg.com
128.140.176.98	A	pestipari.com
128.140.176.101	A	xn--80aabednvargnre0bd0lqa9f.com
128.140.176.122	PTR	hydro-hq.netwave-bg.com
128.140.176.122	A	mail.hydrostroy.com
128.140.176.122	A	abinvestnn.com
128.140.176.148	A	belferi.com
128.140.176.148	A	ns2.ecosystembg.com
128.140.176.148	A	ns1.ecosystembg.com
128.140.176.150	PTR	cwp.netwave-bg.com
128.140.176.154	A	demo.netwave-bg.com
128.140.176.198	A+PTR	rhea.netwave-bg.com
128.140.176.198	A	www.mall-varna.bg
128.140.176.198	A	www.labyrinth.bg