Robtex

Up: 81.171.88.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 81.171.88.0/23
Down right: 81.171.90.0/23

IP	Type	Hostname
81.171.88.12	A+PTR	newsfeed6.eweka.nl
81.171.88.15	A+PTR	lightspeed.eweka.nl
81.171.88.16	A	feeder2.eweka.nl
81.171.88.16	A	hq-usenetpeers.eweka.nl
81.171.88.18	A+PTR	nt-form01.am4.eweka.nl
81.171.88.20	A+PTR	phpfeed.eweka.nl
81.171.88.22	PTR	usenet-reseller.eweka.nl
81.171.88.23	PTR	cobbler.am4.eweka.nl
81.171.88.25	PTR	upload1.eweka.nl
81.171.88.30	PTR	monitor.eweka.nl
81.171.88.30	A	monitor1.eweka.nl
81.171.88.90	PTR	ew-busvoice-81-171-88-90.eweka.nl
81.171.88.111	PTR	usenetmonitor1.am4.eweka.nl
81.171.88.111	A	usenetmonitor1.eweka.nl
81.171.88.112	A	usenetmonitor2.eweka.nl
81.171.88.131	PTR	ew-busvoice-81-171-88-131.eweka.nl
81.171.88.135	PTR	newsreader104.eweka.nl
81.171.88.137	PTR	newsreader102.eweka.nl
81.171.88.138	PTR	newsreader101.eweka.nl
81.171.88.140	PTR	newsreader99.eweka.nl
81.171.88.141	PTR	newsreader98.eweka.nl
81.171.88.142	PTR	newsreader97.eweka.nl
81.171.88.143	PTR	newsreader96.eweka.nl
81.171.88.144	PTR	newsreader95.eweka.nl
81.171.88.145	PTR	newsreader94.eweka.nl
81.171.88.146	PTR	newsreader93.eweka.nl
81.171.88.148	PTR	newsreader91.eweka.nl
81.171.88.149	PTR	newsreader90.eweka.nl
81.171.88.150	PTR	newsreader89.eweka.nl
81.171.88.151	PTR	newsreader88.eweka.nl
81.171.88.153	PTR	newsreader86.eweka.nl
81.171.88.154	PTR	newsreader85.eweka.nl
81.171.88.155	PTR	newsreader84.eweka.nl
81.171.88.157	PTR	newsreader82.eweka.nl
81.171.88.161	PTR	newsreader78.eweka.nl
81.171.88.162	PTR	newsreader77.eweka.nl
81.171.88.163	PTR	newsreader76.eweka.nl
81.171.88.164	PTR	newsreader75.eweka.nl
81.171.88.165	PTR	newsreader74.eweka.nl
81.171.88.167	PTR	newsreader72.eweka.nl
81.171.88.169	PTR	newsreader70.eweka.nl
81.171.88.170	PTR	newsreader69.eweka.nl
81.171.88.172	PTR	newsreader67.eweka.nl
81.171.88.175	PTR	newsreader64.eweka.nl
81.171.88.176	PTR	newsreader63.eweka.nl
81.171.88.177	PTR	newsreader62.eweka.nl
81.171.88.178	PTR	newsreader61.eweka.nl
81.171.88.182	PTR	newsreader59.eweka.nl
81.171.88.184	PTR	newsreader57.eweka.nl
81.171.88.186	PTR	newsreader55.eweka.nl
81.171.88.187	PTR	newsreader54.eweka.nl
81.171.88.188	PTR	newsreader53.eweka.nl
81.171.88.189	PTR	newsreader52.eweka.nl
81.171.88.194	PTR	newsreader51.eweka.nl
81.171.88.195	PTR	newsreader50.eweka.nl
81.171.88.196	PTR	newsreader49.eweka.nl
81.171.88.197	PTR	newsreader48.eweka.nl
81.171.88.198	PTR	newsreader47.eweka.nl
81.171.88.205	A+PTR	newsfeed5.eweka.nl
81.171.88.206	PTR	newsreader42.eweka.nl
81.171.88.207	PTR	newsreader41.eweka.nl
81.171.88.208	PTR	newsreader40.eweka.nl
81.171.88.211	PTR	newsreader37.eweka.nl
81.171.88.213	PTR	newsreader35.eweka.nl
81.171.88.214	PTR	newsreader34.eweka.nl
81.171.88.215	A+PTR	newsfeed4.eweka.nl
81.171.88.216	PTR	newsreader33.eweka.nl
81.171.88.218	PTR	newsreader31.eweka.nl
81.171.88.219	PTR	newsreader30.eweka.nl
81.171.88.220	PTR	snuffie
81.171.88.221	PTR	newsreader28.eweka.nl
81.171.88.224	PTR	newsreader25.eweka.nl
81.171.88.227	PTR	newsreader24.eweka.nl
81.171.88.229	PTR	newsreader22.eweka.nl
81.171.88.233	PTR	newsreader18.eweka.nl
81.171.88.235	A+PTR	newsfeed3.eweka.nl
81.171.88.237	PTR	newsreader16.eweka.nl
81.171.88.238	PTR	newsreader15.eweka.nl
81.171.88.239	PTR	newsreader14.eweka.nl
81.171.88.241	PTR	newsreader12.eweka.nl
81.171.88.243	PTR	newsreader10.eweka.nl
81.171.88.245	A	newsfeed2.eweka.nl
81.171.88.248	PTR	newsreader6.eweka.nl
81.171.88.249	PTR	newsreader5.eweka.nl
81.171.88.250	A	feeder3.eweka.nl
81.171.88.251	PTR	newsreader3.eweka.nl
81.171.88.253	PTR	newsreader1.eweka.nl
81.171.88.254	A	newsfeed.eweka.nl