Robtex

Up: 91.223.220.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 91.223.220.0/25
Down right: 91.223.220.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
91.223.220.10	A+PTR	vip10.xennanews.com
91.223.220.10	A	aviteo.hostredirects.com
91.223.220.11	A+PTR	vip11.xennanews.com
91.223.220.11	A	newsxs.hostredirects.com
91.223.220.11	A	reader.newsxs.nl
91.223.220.12	A+PTR	vip12.xennanews.com
91.223.220.12	A	news.lightningusenet.com
91.223.220.13	A+PTR	vip13.xennanews.com
91.223.220.15	A	binverse.hostredirects.com
91.223.220.18	PTR	vip18.xennanews.com
91.223.220.18	A	news.caiway.nl
91.223.220.18	A	txtnews.caiway.nl
91.223.220.20	A	vip20.xennanews.com
91.223.220.23	A+PTR	vip23.xennanews.com
91.223.220.24	A+PTR	vip24.xennanews.com
91.223.220.25	A	dream.hostredirects.com
91.223.220.27	A+PTR	vip27.xennanews.com
91.223.220.27	A	eurofeeds.hostredirects.com
91.223.220.27	A	binaries.eurofeeds.com
91.223.220.29	A+PTR	vip29.xennanews.com
91.223.220.30	A+PTR	vip30.xennanews.com
91.223.220.33	PTR	reader.i-telligent.com
91.223.220.33	A	news.i-telligent.com
91.223.220.33	A	vip33.xennanews.com
91.223.220.40	A+PTR	vip40.xennanews.com
91.223.220.40	A	news.newsgrabber.nl
91.223.220.40	A	newsgrabber.hostredirects.com
91.223.220.42	A+PTR	vip42.xennanews.com
91.223.220.45	PTR	vip45.xennanews.com
91.223.220.46	A+PTR	vip46.xennanews.com
91.223.220.47	A+PTR	vip47.xennanews.com
91.223.220.47	A	reeseweb.hostredirects.com
91.223.220.47	A	news.usenet-server.de
91.223.220.51	A+PTR	vip51.xennanews.com
91.223.220.51	A	news.speedplaza.net
91.223.220.51	A	speedplaza.hostredirects.com
91.223.220.52	A+PTR	vip52.xennanews.com
91.223.220.52	A	treonet.hostredirects.com
91.223.220.52	A	news.surfino.com
91.223.220.54	A+PTR	vip54.xennanews.com
91.223.220.56	A+PTR	vip56.xennanews.com
91.223.220.56	A	news2.usenet.nl
91.223.220.56	A	usenetfr.hostredirects.com
91.223.220.57	A	news.usenet2go.nl
91.223.220.67	A+PTR	vip67.xennanews.com
91.223.220.67	A	news-europe.z51.biz
91.223.220.67	A	z51biz.hostredirects.com
91.223.220.101	A+PTR	afo001.xennanews.com
91.223.220.101	A	nf1.xennanews.com
91.223.220.102	A	afo002.xennanews.com
91.223.220.104	A+PTR	afo004.xennanews.com
91.223.220.104	A	nf4.xennanews.com
91.223.220.105	A+PTR	afo005.xennanews.com
91.223.220.105	A	nf5.xennanews.com
91.223.220.108	A+PTR	afo008.xennanews.com
91.223.220.110	A	afo010.xennanews.com
91.223.220.115	A	afo015.xennanews.com
91.223.220.123	A	nf23.xennanews.com
91.223.220.123	A	afo023.xennanews.com
91.223.220.125	A	nf25.xennanews.com
91.223.220.125	A	afo025.xennanews.com
91.223.220.130	A	afo030.xennanews.com
91.223.220.131	A	nf31.xennanews.com
91.223.220.131	A	afo031.xennanews.com
91.223.220.200	A	portal.xennanews.com
91.223.220.201	A	portal.hostredirects.com
91.223.220.230	A	feeder3.xennanews.com
91.223.220.231	A	feeder.xennanews.com
91.223.220.236	PTR	test.xsnews.com
91.223.220.236	A	test.xennanews.com
91.223.220.242	A	lvs2.xennanews.com
91.223.220.243	A+PTR	lvs3.xennanews.com
91.223.220.244	A+PTR	alb004.xennanews.com
91.223.220.249	A	lb1.xsnews.nl
91.223.220.250	A	lb2.xsnews.nl