Robtex

Up: 192.158.28.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 192.158.28.0/25
Down right: 192.158.28.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
192.158.28.0	A+PTR	0.28.158.192.bc.googleusercontent.com
192.158.28.0	A	catvertiser.com
192.158.28.0	A	catvertizer.com
192.158.28.2	A+PTR	2.28.158.192.bc.googleusercontent.com
192.158.28.3	A+PTR	3.28.158.192.bc.googleusercontent.com
192.158.28.6	A+PTR	6.28.158.192.bc.googleusercontent.com
192.158.28.8	A+PTR	8.28.158.192.bc.googleusercontent.com
192.158.28.8	A	trn.gamifun.com
192.158.28.10	PTR	10.28.158.192.bc.googleusercontent.com
192.158.28.14	PTR	14.28.158.192.bc.googleusercontent.com
192.158.28.16	A+PTR	16.28.158.192.bc.googleusercontent.com
192.158.28.17	PTR	17.28.158.192.bc.googleusercontent.com
192.158.28.18	PTR	18.28.158.192.bc.googleusercontent.com
192.158.28.20	PTR	20.28.158.192.bc.googleusercontent.com
192.158.28.20	A	blog.ev-box.com
192.158.28.20	A	revolution18.amsterdam
192.158.28.21	PTR	21.28.158.192.bc.googleusercontent.com
192.158.28.22	PTR	22.28.158.192.bc.googleusercontent.com
192.158.28.22	A	asapcompare.com
192.158.28.24	PTR	24.28.158.192.bc.googleusercontent.com
192.158.28.26	PTR	26.28.158.192.bc.googleusercontent.com
192.158.28.28	PTR	28.28.158.192.bc.googleusercontent.com
192.158.28.31	A+PTR	31.28.158.192.bc.googleusercontent.com
192.158.28.32	PTR	32.28.158.192.bc.googleusercontent.com
192.158.28.33	PTR	33.28.158.192.bc.googleusercontent.com
192.158.28.35	PTR	35.28.158.192.bc.googleusercontent.com
192.158.28.35	A	siripanna.com
192.158.28.35	A	www.siripanna.com
192.158.28.37	PTR	37.28.158.192.bc.googleusercontent.com
192.158.28.37	A	ns2.hollanddata.nl
192.158.28.38	A+PTR	38.28.158.192.bc.googleusercontent.com
192.158.28.39	PTR	39.28.158.192.bc.googleusercontent.com
192.158.28.40	A	mollyware.se
192.158.28.41	A+PTR	41.28.158.192.bc.googleusercontent.com
192.158.28.42	PTR	42.28.158.192.bc.googleusercontent.com
192.158.28.42	A	frommadeirawithlove.com
192.158.28.43	PTR	43.28.158.192.bc.googleusercontent.com
192.158.28.44	PTR	44.28.158.192.bc.googleusercontent.com
192.158.28.51	A+PTR	51.28.158.192.bc.googleusercontent.com
192.158.28.55	A+PTR	55.28.158.192.bc.googleusercontent.com
192.158.28.57	PTR	57.28.158.192.bc.googleusercontent.com
192.158.28.59	PTR	59.28.158.192.bc.googleusercontent.com
192.158.28.60	A+PTR	60.28.158.192.bc.googleusercontent.com
192.158.28.62	PTR	62.28.158.192.bc.googleusercontent.com
192.158.28.63	PTR	63.28.158.192.bc.googleusercontent.com
192.158.28.64	PTR	64.28.158.192.bc.googleusercontent.com
192.158.28.65	A+PTR	65.28.158.192.bc.googleusercontent.com
192.158.28.68	A+PTR	68.28.158.192.bc.googleusercontent.com
192.158.28.70	PTR	70.28.158.192.bc.googleusercontent.com
192.158.28.70	A	byteinnovations.com
192.158.28.75	PTR	75.28.158.192.bc.googleusercontent.com
192.158.28.76	A+PTR	76.28.158.192.bc.googleusercontent.com
192.158.28.78	PTR	78.28.158.192.bc.googleusercontent.com
192.158.28.79	PTR	79.28.158.192.bc.googleusercontent.com
192.158.28.79	A	slutsfuckbitches.com
192.158.28.79	A	freeporners.com
192.158.28.81	PTR	81.28.158.192.bc.googleusercontent.com
192.158.28.85	PTR	85.28.158.192.bc.googleusercontent.com
192.158.28.86	PTR	86.28.158.192.bc.googleusercontent.com
192.158.28.87	PTR	87.28.158.192.bc.googleusercontent.com
192.158.28.89	PTR	89.28.158.192.bc.googleusercontent.com
192.158.28.93	PTR	93.28.158.192.bc.googleusercontent.com
192.158.28.96	A+PTR	96.28.158.192.bc.googleusercontent.com
192.158.28.98	A+PTR	98.28.158.192.bc.googleusercontent.com
192.158.28.100	A+PTR	100.28.158.192.bc.googleusercontent.com
192.158.28.100	A	habitat.eu
192.158.28.102	PTR	102.28.158.192.bc.googleusercontent.com
192.158.28.103	PTR	103.28.158.192.bc.googleusercontent.com
192.158.28.104	A+PTR	104.28.158.192.bc.googleusercontent.com
192.158.28.108	A+PTR	108.28.158.192.bc.googleusercontent.com
192.158.28.108	A	mail-2.netoneresearch.com
192.158.28.111	PTR	111.28.158.192.bc.googleusercontent.com
192.158.28.114	A+PTR	114.28.158.192.bc.googleusercontent.com
192.158.28.115	PTR	115.28.158.192.bc.googleusercontent.com
192.158.28.116	PTR	116.28.158.192.bc.googleusercontent.com
192.158.28.117	A+PTR	117.28.158.192.bc.googleusercontent.com
192.158.28.118	A+PTR	118.28.158.192.bc.googleusercontent.com
192.158.28.118	A	ws.staging.blockchain.info
192.158.28.120	PTR	120.28.158.192.bc.googleusercontent.com
192.158.28.120	A	utinity.com
192.158.28.124	PTR	124.28.158.192.bc.googleusercontent.com
192.158.28.125	PTR	125.28.158.192.bc.googleusercontent.com
192.158.28.127	PTR	127.28.158.192.bc.googleusercontent.com
192.158.28.128	PTR	128.28.158.192.bc.googleusercontent.com
192.158.28.131	PTR	131.28.158.192.bc.googleusercontent.com
192.158.28.131	A	odoo.sh
192.158.28.131	A	paasmaster.odoo.com
192.158.28.132	PTR	132.28.158.192.bc.googleusercontent.com
192.158.28.133	PTR	133.28.158.192.bc.googleusercontent.com
192.158.28.134	PTR	134.28.158.192.bc.googleusercontent.com
192.158.28.136	A	www.jolicharts.com
192.158.28.138	PTR	138.28.158.192.bc.googleusercontent.com
192.158.28.147	PTR	147.28.158.192.bc.googleusercontent.com
192.158.28.151	PTR	151.28.158.192.bc.googleusercontent.com
192.158.28.153	PTR	153.28.158.192.bc.googleusercontent.com
192.158.28.153	A	shell-lazaridis.gr
192.158.28.153	A	kokkasmetaforiki.gr
192.158.28.154	A+PTR	154.28.158.192.bc.googleusercontent.com
192.158.28.154	A	timberwiseparquet.com
192.158.28.154	A	timberwisefloors.com
192.158.28.156	A	immobiliarescandiano.it
192.158.28.156	A	www.immobiliarescandiano.it
192.158.28.161	A	locazioni-immobiliari.it
192.158.28.161	A	mail.costruzionecaseinlegno.it
192.158.28.161	A	bandaverdi.biella.it
192.158.28.162	A+PTR	162.28.158.192.bc.googleusercontent.com
192.158.28.163	A+PTR	163.28.158.192.bc.googleusercontent.com
192.158.28.165	A	165.28.158.192.bc.googleusercontent.com
192.158.28.168	A+PTR	168.28.158.192.bc.googleusercontent.com
192.158.28.172	PTR	172.28.158.192.bc.googleusercontent.com
192.158.28.173	PTR	173.28.158.192.bc.googleusercontent.com
192.158.28.182	A+PTR	182.28.158.192.bc.googleusercontent.com
192.158.28.185	PTR	185.28.158.192.bc.googleusercontent.com
192.158.28.186	PTR	186.28.158.192.bc.googleusercontent.com
192.158.28.187	PTR	187.28.158.192.bc.googleusercontent.com
192.158.28.187	A	onlinebilet.com
192.158.28.188	A+PTR	188.28.158.192.bc.googleusercontent.com
192.158.28.192	PTR	192.28.158.192.bc.googleusercontent.com
192.158.28.193	A	193.28.158.192.bc.googleusercontent.com
192.158.28.194	PTR	194.28.158.192.bc.googleusercontent.com
192.158.28.195	PTR	195.28.158.192.bc.googleusercontent.com
192.158.28.195	A	richbergmedia.ch
192.158.28.195	A	vastool.com
192.158.28.196	PTR	196.28.158.192.bc.googleusercontent.com
192.158.28.198	PTR	198.28.158.192.bc.googleusercontent.com
192.158.28.203	PTR	203.28.158.192.bc.googleusercontent.com
192.158.28.205	PTR	205.28.158.192.bc.googleusercontent.com
192.158.28.206	A+PTR	206.28.158.192.bc.googleusercontent.com
192.158.28.207	PTR	207.28.158.192.bc.googleusercontent.com
192.158.28.214	A	214.28.158.192.bc.googleusercontent.com
192.158.28.215	A	geotabhuddle.com
192.158.28.217	A+PTR	217.28.158.192.bc.googleusercontent.com
192.158.28.218	A+PTR	218.28.158.192.bc.googleusercontent.com
192.158.28.223	A+PTR	223.28.158.192.bc.googleusercontent.com
192.158.28.224	PTR	224.28.158.192.bc.googleusercontent.com
192.158.28.224	A	addfiction.com
192.158.28.225	A+PTR	225.28.158.192.bc.googleusercontent.com
192.158.28.229	A	229.28.158.192.bc.googleusercontent.com
192.158.28.230	A+PTR	230.28.158.192.bc.googleusercontent.com
192.158.28.231	PTR	231.28.158.192.bc.googleusercontent.com
192.158.28.231	A	images.worldofrarebooks.co.uk
192.158.28.233	A+PTR	233.28.158.192.bc.googleusercontent.com
192.158.28.236	PTR	236.28.158.192.bc.googleusercontent.com
192.158.28.236	A	creepermon.com
192.158.28.239	A+PTR	239.28.158.192.bc.googleusercontent.com
192.158.28.243	A	twentsbureauvoortoerisme.nl
192.158.28.246	A+PTR	246.28.158.192.bc.googleusercontent.com
192.158.28.247	PTR	247.28.158.192.bc.googleusercontent.com
192.158.28.248	PTR	248.28.158.192.bc.googleusercontent.com
192.158.28.251	A+PTR	251.28.158.192.bc.googleusercontent.com
192.158.28.252	A	252.28.158.192.bc.googleusercontent.com
192.158.28.254	PTR	254.28.158.192.bc.googleusercontent.com