Robtex

Up: 109.237.142.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 109.237.142.0/25
Down right: 109.237.142.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
109.237.142.6	A+PTR	cnr1.alfahosting.info
109.237.142.7	A+PTR	eric-cnr1.alfahosting.info
109.237.142.8	PTR	cns1.alfahosting.info
109.237.142.8	A	ns1.webhostserver.at
109.237.142.8	A	ns1.kerhart.li
109.237.142.17	PTR	alfahosting.de
109.237.142.17	A	eric-cnr1.alfahosting.info
109.237.142.17	A	mel-fabregas-fraudster.alfahosting.info
109.237.142.28	A+PTR	bannerfarm.alphahosting.de
109.237.142.29	A+PTR	mail.alfahosting.de
109.237.142.29	A	mail.revido.de
109.237.142.29	A	mail.alphahosting.de
109.237.142.30	PTR	alfahosting.de
109.237.142.30	A	mel-fabregas-fraudster.alfahosting.info
109.237.142.30	A	cns4.alfahosting.info
109.237.142.97	A	dns3.alfahosting.de
109.237.142.98	A	hostmaster.businessdns.net
109.237.142.98	A	admin.hostaustria-dns.at
109.237.142.98	A	dns.alfahosting.de
109.237.142.100	A	cgi-wsc.alfahosting.de
109.237.142.100	A	wsc.alfahosting.de
109.237.142.102	A	od.alfahosting.de
109.237.142.104	A	upload.od.alfahosting.de
109.237.142.105	A	ibdeutsch1.od.alfahosting.de
109.237.142.105	A	leikauf-engineering.od.alfahosting.de
109.237.142.105	A	dav-weiden.od.alfahosting.de
109.237.142.110	A+PTR	homepage.alfahosting.de
109.237.142.228	A+PTR	relay14.alfahosting-server.de
109.237.142.230	A+PTR	relay10.alfahosting-server.de
109.237.142.231	PTR	relay11.alfahosting-server.de
109.237.142.236	A+PTR	relay01.alfahosting-server.de
109.237.142.236	A	smtprelay.wifisax.de
109.237.142.237	A	eric-relay01.alfahosting-server.de
109.237.142.238	A+PTR	relay02.alfahosting-server.de
109.237.142.239	A+PTR	relay03.alfahosting-server.de
109.237.142.240	A+PTR	relay04.alfahosting-server.de
109.237.142.241	A+PTR	relay05.alfahosting-server.de
109.237.142.242	A+PTR	relay06.alfahosting-server.de
109.237.142.243	A+PTR	relay07.alfahosting-server.de
109.237.142.245	A+PTR	relay08.alfahosting-server.de
109.237.142.246	A+PTR	mail01.alfahosting-server.de
109.237.142.246	A	mailextern.isp-service.biz
109.237.142.247	A+PTR	relay09.alfahosting-server.de
109.237.142.254	A+PTR	ns8.revido.info
109.237.142.254	A	dns01.providerbox.de