Robtex

Up: 81.23.48.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 81.23.48.0/22
Down right: 81.23.52.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.23.48.0	PTR	subnet-48-0.ask4internet.com
81.23.48.3	A	ip-81-23-48-3.ask4internet.com
81.23.48.4	A	ip-81-23-48-4.ask4internet.com
81.23.48.8	PTR	subnet-48-8.ask4internet.com
81.23.48.9	PTR	gw-vlan1502.man-xmr.tcw.ask4.net
81.23.48.9	A	ip-81-23-48-9.ask4internet.com
81.23.48.10	PTR	gw.prospect.liberty.ask4.co.uk
81.23.48.10	A	ip-81-23-48-10.ask4internet.com
81.23.48.11	A	ip-81-23-48-11.ask4internet.com
81.23.48.12	A	ip-81-23-48-12.ask4internet.com
81.23.48.16	PTR	subnet-48-16.ask4internet.com
81.23.48.24	PTR	subnet-48-24.ask4internet.com
81.23.48.24	A	ip-81-23-48-24.ask4internet.com
81.23.48.25	PTR	gw-vlan1505.edge1.aql.ask4.net
81.23.48.25	A	ip-81-23-48-25.ask4internet.com
81.23.48.26	A	ip-81-23-48-26.ask4internet.com
81.23.48.27	A	ip-81-23-48-27.ask4internet.com
81.23.48.32	PTR	subnet-48-32.ask4internet.com
81.23.48.33	A	ip-81-23-48-33.ask4internet.com
81.23.48.34	A	ip-81-23-48-34.ask4internet.com
81.23.48.35	A	ip-81-23-48-35.ask4internet.com
81.23.48.48	PTR	subnet-48-48.ask4internet.com
81.23.48.57	A	ip-81-23-48-57.ask4internet.com
81.23.48.64	PTR	subnet-48-64.ask4internet.com
81.23.48.76	A	ip-81-23-48-76.ask4internet.com
81.23.48.77	A	ip-81-23-48-77.ask4internet.com
81.23.48.79	A	ip-81-23-48-79.ask4internet.com
81.23.48.81	A	ip-81-23-48-81.ask4internet.com
81.23.48.91	PTR	customers.aspley.opal.ask4.co.uk
81.23.48.94	A	ip-81-23-48-94.ask4internet.com
81.23.48.95	A	ip-81-23-48-95.ask4internet.com
81.23.48.96	PTR	subnet-48-96.ask4internet.com
81.23.48.100	A	ip-81-23-48-100.ask4internet.com
81.23.48.101	A	ip-81-23-48-101.ask4internet.com
81.23.48.105	A+PTR	ip-81-23-48-105.ask4internet.com
81.23.48.107	A+PTR	ip-81-23-48-107.ask4internet.com
81.23.48.110	A	ip-81-23-48-110.ask4internet.com
81.23.48.113	A+PTR	ip-81-23-48-113.ask4internet.com
81.23.48.116	A	ip-81-23-48-116.ask4internet.com
81.23.48.119	A	ip-81-23-48-119.ask4internet.com
81.23.48.120	A+PTR	ip-81-23-48-120.ask4internet.com
81.23.48.122	A	ip-81-23-48-122.ask4internet.com
81.23.48.128	PTR	subnet-48-128.ask4.co.uk
81.23.48.130	PTR	reserved.ask4.net
81.23.48.130	A	br1-man.ask4internet.com
81.23.48.130	A	hypervisor-man.ask4internet.com
81.23.48.131	A+PTR	tcw-util.ask4internet.com
81.23.48.131	A	br2-man.ask4internet.com
81.23.48.138	A+PTR	pbx1.ask4internet.com
81.23.48.139	A+PTR	pbx2.ask4internet.com
81.23.48.142	A	ip-81-23-48-142.ask4internet.com
81.23.48.143	A	gradwell-iax.ask4internet.com
81.23.48.149	A	ip-81-23-48-149.ask4internet.com
81.23.48.150	A	ip-81-23-48-150.ask4internet.com
81.23.48.151	A	ip-81-23-48-151.ask4internet.com
81.23.48.152	A+PTR	ip-81-23-48-152.ask4internet.com
81.23.48.153	A+PTR	ip-81-23-48-153.ask4internet.com
81.23.48.154	A+PTR	ip-81-23-48-154.ask4internet.com
81.23.48.155	A	ip-81-23-48-155.ask4internet.com
81.23.48.163	A+PTR	ip-81-23-48-163.ask4internet.com
81.23.48.189	A	ip-81-23-48-189.ask4internet.com
81.23.48.190	A	ip-81-23-48-190.ask4internet.com
81.23.48.192	PTR	subnet-48-192.ask4internet.com
81.23.48.202	A+PTR	gw.newc.downing.ask4.co.uk
81.23.48.206	A	ip-81-23-48-206.ask4internet.com
81.23.48.208	PTR	subnet-48-208.ask4internet.com
81.23.48.212	A	customers.atlantic.liberty.ask4.co.uk
81.23.48.216	PTR	subnet-48-216.ask4internet.com
81.23.48.224	PTR	subnet-48-224.ask4internet.com
81.23.48.230	A	ip-81-23-48-230.ask4internet.com
81.23.48.233	A+PTR	ip-81-23-48-233.ask4internet.com
81.23.48.235	A	ip-81-23-48-235.ask4internet.com
81.23.48.236	A	ip-81-23-48-236.ask4internet.com
81.23.48.237	A	ip-81-23-48-237.ask4internet.com
81.23.48.240	PTR	office-ipv6-gw.office.ask4.com
81.23.48.240	A	ip-81-23-48-240.ask4internet.com
81.23.48.241	PTR	gw-hq.core.ask4.net
81.23.48.241	A	ip-81-23-48-241.ask4internet.com
81.23.48.245	A	cr2-shef.ask4internet.com
81.23.48.248	PTR	edge1.dc1.ask4.net
81.23.48.248	A	edge1.dc1.ask4internet.com
81.23.48.255	A	edge2.tcw-r1.ask4internet.com
81.23.49.0	PTR	subnet-49-0.ask4internet.com
81.23.49.3	PTR	bcast-49-0.ask4internet.com
81.23.49.8	PTR	subnet-49-8.ask4internet.com
81.23.49.16	PTR	subnet-49-16.ask4internet.com
81.23.49.20	A	ip-81-23-49-20.ask4internet.com
81.23.49.32	PTR	subnet-49-32.ask4internet.com
81.23.49.40	PTR	subnet-49-40.ask4internet.com
81.23.49.48	PTR	subnet-49-48.ask4internet.com
81.23.49.49	PTR	gw-vlan1527.man-xmr.tcw.ask4.net
81.23.49.50	PTR	gw.brayford.crm.ask4.co.uk
81.23.49.51	PTR	staff.brayford.crm.ask4.co.uk
81.23.49.56	PTR	subnet-49-56.ask4internet.com
81.23.49.64	PTR	subnet-49-64.ask4internet.com
81.23.49.72	PTR	subnet-49-72.ask4internet.com
81.23.49.80	PTR	subnet-49-80.ask4internet.com
81.23.49.81	PTR	gw-vlan1520.man-xmr.tcw.ask4.net
81.23.49.82	PTR	gw.printhouse.crm.ask4.co.uk
81.23.49.83	PTR	staff.printhouse.crm.ask4.co.uk
81.23.49.126	A	ip-81-23-49-126.ask4internet.com
81.23.49.131	A	ip-81-23-49-131.ask4internet.com
81.23.49.200	PTR	students.bed.liberty.ask4.co.uk
81.23.49.232	PTR	april-king.leic.omnia.busi.ask4.co.uk
81.23.49.247	A	ip-81-23-49-247.ask4internet.com
81.23.50.28	A+PTR	customers.nott.opal.ask4.co.uk
81.23.50.51	A	staff.ubs.vic.ask4.co.uk
81.23.50.116	A	ip-81-23-50-116.ask4internet.com
81.23.50.138	PTR	gw.carters.crm.ask4.co.uk
81.23.50.138	A	ip-81-23-50-138.ask4internet.com
81.23.50.205	A	ip-81-23-50-205.ask4internet.com
81.23.50.211	PTR	goddards-accountants.stanley.busi.ask4.co.uk
81.23.50.211	A	goddardsaccountants.co.uk
81.23.50.219	PTR	citipads.stanley.busi.ask4.co.uk
81.23.50.232	PTR	edge1.circlesquare.vita.ask4.net
81.23.50.232	A	edge1.circlesquare.vita.ask4internet.com
81.23.50.232	A	ip-81-23-50-232.ask4internet.com
81.23.50.241	PTR	gw-vlan1854.edge1.tcw-r2.ask4.net
81.23.51.12	A	customers.westone.resi.ask4.co.uk
81.23.51.18	A+PTR	ip-81-23-51-18.ask4internet.com
81.23.51.33	PTR	gw.ost2.ask4internet.com
81.23.51.39	A	lanfar.home-lan.co.uk
81.23.51.41	A+PTR	nagios-devel.ask4.net
81.23.51.41	A	nagios-devel.ask4internet.com
81.23.51.41	A	webserver.ivfdf.org
81.23.51.55	A	www.ask4.net
81.23.51.55	A	www.ask4internet.com
81.23.51.55	A	www.ask4.com
81.23.51.72	A	pc-72.office.ask4.com
81.23.51.85	A	pc-85.office.ask4.com
81.23.51.96	PTR	pc-96.office.ask4.com
81.23.51.96	A	ip-81-23-51-96.ask4internet.com
81.23.51.210	A	br1-shef.ask4internet.com
81.23.51.211	PTR	bcast-51-208.ask4internet.com
81.23.51.211	A	br2-shef.ask4internet.com
81.23.52.2	A	4voice-fe2.ask4internet.com
81.23.52.3	A+PTR	4voice-fe1.ask4internet.com
81.23.52.4	A	ns1.home-lan.co.uk
81.23.52.4	A	ns2.w2net.net
81.23.52.8	A+PTR	nagios.ask4.com
81.23.52.8	A	nagios.ask4internet.com
81.23.52.9	A+PTR	noc-web.ask4internet.com
81.23.52.9	A	sip1.4voice.ask4internet.com
81.23.52.10	PTR	netinstall.ask4internet.com
81.23.52.16	A	syslog.ask4internet.com
81.23.52.16	A	ns1-old.ask4internet.com
81.23.52.16	A	logger.ask4.net
81.23.52.17	PTR	4voice-db.ask4internet.com
81.23.52.24	A+PTR	ups-monitor1.westone.ask4internet.com
81.23.52.24	A	management.ask4.com
81.23.52.24	A	logisense.ask4.com
81.23.52.25	PTR	configs.ask4internet.com
81.23.52.32	PTR	ip-81-23-52-32.ask4internet.com
81.23.52.32	A	www.racinginformationdatabase.co.uk
81.23.52.33	A	px.ask4.com
81.23.52.34	PTR	ip-81-23-52-34.ask4internet.com
81.23.52.34	A	ask4.net
81.23.52.34	A	4student.com
81.23.52.40	A	mirror.ask4internet.com
81.23.52.44	A	asterisk-skype.ask4internet.com
81.23.52.45	A	uac-virt1.ask4internet.com
81.23.52.46	A	uac-virt2.ask4internet.com
81.23.52.48	A	uac-db1.ask4internet.com
81.23.52.49	A+PTR	mail-out.ask4internet.com
81.23.52.50	A+PTR	confluence.ask4.com
81.23.52.50	A	confluence.ask4internet.com
81.23.52.56	A+PTR	uac-virt3.ask4internet.com
81.23.52.60	A	customer-web.ask4internet.com
81.23.52.60	A	hutchworks.co.uk
81.23.52.60	A	tombodojo.co.uk
81.23.52.76	A	ip-81-23-52-76.ask4internet.com
81.23.52.77	A	ip-81-23-52-77.ask4internet.com
81.23.52.78	A	ip-81-23-52-78.ask4internet.com
81.23.52.86	A	ip-81-23-52-86.ask4internet.com
81.23.52.98	A	ip-81-23-52-98.ask4internet.com
81.23.52.102	A	ip-81-23-52-102.ask4internet.com
81.23.52.106	A	ip-81-23-52-106.ask4internet.com
81.23.52.107	A	ip-81-23-52-107.ask4internet.com
81.23.52.108	A	ip-81-23-52-108.ask4internet.com
81.23.52.121	A	ip-81-23-52-121.ask4internet.com
81.23.52.122	A	ip-81-23-52-122.ask4internet.com
81.23.52.126	A	ip-81-23-52-126.ask4internet.com
81.23.52.130	A	uac-sandbox.ask4internet.com
81.23.52.131	A+PTR	recipe-editor.dev.ask4.com
81.23.52.136	A+PTR	paypoint-uacvirt2.uac.ask4.com
81.23.52.141	A	4voice-voicemail.ask4internet.com
81.23.52.158	A	mail-relay.ask4.com
81.23.52.163	A+PTR	dougal.ask4internet.com
81.23.52.163	A	dougal.ask4.net
81.23.52.164	A	bagpuss.ost-linux.co.uk
81.23.52.178	A	lanfar.home-lan.co.uk
81.23.52.179	A+PTR	towersey.ost-linux.co.uk
81.23.52.181	A	ns1.ost-linux.co.uk
81.23.52.183	A	webserver.ivfdf.org
81.23.52.183	A	ip-81-23-52-183.ask4internet.com
81.23.52.186	A	fiveriversmorris.org.uk
81.23.52.187	PTR	ip-81-23-52-187.ask4internet.com
81.23.52.187	A	www.urbanchicken.org.uk
81.23.52.187	A	madgekibble.blog.ceilidhcalling.co.uk
81.23.52.192	PTR	ask4-office-subnet.ask4internet.com
81.23.52.194	A+PTR	office.ask4.com
81.23.52.195	A+PTR	ip-81-23-52-195.ask4internet.com
81.23.52.195	A	saru.ask4.com
81.23.52.196	A	hoolock.ask4internet.com
81.23.52.201	A+PTR	pbx.office.ask4.com
81.23.52.203	PTR	officemail.ask4internet.com
81.23.52.203	A	mail.office.ask4.com
81.23.52.204	A	sidmouth.ost-linux.co.uk
81.23.52.224	PTR	subnet-52-224.ask4internet.com
81.23.52.227	A+PTR	myanmar.ask4internet.com
81.23.52.242	PTR	c7200.a4b-stp.ask4.co.uk
81.23.52.242	A	owa.bhp.co.uk
81.23.53.0	PTR	subnet-53-0.ask4internet.com
81.23.53.8	PTR	subnet-53-8.ask4internet.com
81.23.53.11	A	ip-81-23-53-11.ask4internet.com
81.23.53.21	A	ip-81-23-53-21.ask4internet.com
81.23.53.35	PTR	bcast-53-32.ask4internet.com
81.23.53.43	PTR	mail.stn.uk.net
81.23.53.44	A	ip-81-23-53-44.ask4internet.com
81.23.53.48	PTR	subnet-53-48.ask4internet.com
81.23.53.52	A	null.jennic.com
81.23.53.53	A	proxy.jennic.co.uk
81.23.53.53	A	mail.jennic.com
81.23.53.53	A	mailhost.jennic.co.uk
81.23.53.68	A	ip-81-23-53-68.ask4internet.com
81.23.53.69	A	ip-81-23-53-69.ask4internet.com
81.23.53.70	A	ip-81-23-53-70.ask4internet.com
81.23.53.71	A	ip-81-23-53-71.ask4internet.com
81.23.53.74	A	server.rebmark.co.uk
81.23.53.81	PTR	gw-vlan1802.edge3.westone.ask4.net
81.23.53.100	A	ip-81-23-53-100.ask4internet.com
81.23.53.101	A	ip-81-23-53-101.ask4internet.com
81.23.53.102	A	ip-81-23-53-102.ask4internet.com
81.23.53.103	A	ip-81-23-53-103.ask4internet.com
81.23.53.104	A	ip-81-23-53-104.ask4internet.com
81.23.53.105	A	ip-81-23-53-105.ask4internet.com
81.23.53.106	A	ip-81-23-53-106.ask4internet.com
81.23.53.107	A	ip-81-23-53-107.ask4internet.com
81.23.53.112	A	ip-81-23-53-112.ask4internet.com
81.23.53.113	PTR	dc1-xmr.hypervisors.dc1.ask4.net
81.23.53.113	A	ip-81-23-53-113.ask4internet.com
81.23.53.114	A	ip-81-23-53-114.ask4internet.com
81.23.53.115	A	ip-81-23-53-115.ask4internet.com
81.23.53.156	A	retrobytes.net
81.23.53.156	A	blakerobotics.org.uk
81.23.53.156	A	saturn.home-lan.co.uk
81.23.53.178	A	ip-81-23-53-178.ask4internet.com
81.23.53.179	A+PTR	ip-81-23-53-179.ask4internet.com
81.23.53.180	A	ip-81-23-53-180.ask4internet.com
81.23.53.181	A	ip-81-23-53-181.ask4internet.com
81.23.53.184	A	ip-81-23-53-184.ask4internet.com
81.23.53.185	A	ip-81-23-53-185.ask4internet.com
81.23.53.186	A	ip-81-23-53-186.ask4internet.com
81.23.53.187	A	ip-81-23-53-187.ask4internet.com
81.23.53.216	A	ip-81-23-53-216.ask4internet.com
81.23.53.233	A	ip-81-23-53-233.ask4internet.com
81.23.53.234	A	ip-81-23-53-234.ask4internet.com
81.23.53.235	A	ip-81-23-53-235.ask4internet.com
81.23.53.236	A	ip-81-23-53-236.ask4internet.com
81.23.53.240	A	ip-81-23-53-240.ask4internet.com
81.23.53.241	A+PTR	ip-81-23-53-241.ask4internet.com
81.23.53.242	A	ip-81-23-53-242.ask4internet.com
81.23.53.243	A	ip-81-23-53-243.ask4internet.com
81.23.54.3	A	ip-81-23-54-3.ask4internet.com
81.23.54.10	A	sonicwall-wan2.highlanderuk.net
81.23.54.13	A	ip-81-23-54-13.ask4internet.com
81.23.54.14	A	ip-81-23-54-14.ask4internet.com
81.23.54.25	A	ip-81-23-54-25.ask4internet.com
81.23.54.26	A	ip-81-23-54-26.ask4internet.com
81.23.54.27	A	ip-81-23-54-27.ask4internet.com
81.23.54.28	A	ip-81-23-54-28.ask4internet.com
81.23.54.36	A	ip-81-23-54-36.ask4internet.com
81.23.54.58	A+PTR	email.wardcnc.com
81.23.54.58	A	remote.wardcnc.com
81.23.54.64	PTR	subnet-54-64.ask4internet.com
81.23.54.69	A	ip-81-23-54-69.ask4internet.com
81.23.54.78	A	ip-81-23-54-78.ask4internet.com
81.23.54.101	A+PTR	ip-81-23-54-101.ask4internet.com
81.23.54.124	A	ip-81-23-54-124.ask4internet.com
81.23.54.125	A	ip-81-23-54-125.ask4internet.com
81.23.54.126	A	ip-81-23-54-126.ask4internet.com
81.23.54.136	A+PTR	dc1-pdu.vichalls.busi.ask4.co.uk
81.23.54.136	A	ip-81-23-54-136.ask4internet.com
81.23.54.139	A+PTR	dc1-pdu1.tribepad.busi.ask4.co.uk
81.23.54.139	A	ip-81-23-54-139.ask4internet.com
81.23.54.144	A	ip-81-23-54-144.ask4internet.com
81.23.54.155	A	ip-81-23-54-155.ask4internet.com
81.23.54.156	A	ip-81-23-54-156.ask4internet.com
81.23.54.157	A	ip-81-23-54-157.ask4internet.com
81.23.54.158	A	ip-81-23-54-158.ask4internet.com
81.23.54.160	PTR	subnet-54-160.ask4internet.com
81.23.54.163	A	ip-81-23-54-163.ask4internet.com
81.23.54.164	A	ip-81-23-54-164.ask4internet.com
81.23.54.165	A	ip-81-23-54-165.ask4internet.com
81.23.54.166	A	ip-81-23-54-166.ask4internet.com
81.23.54.168	A	ip-81-23-54-168.ask4internet.com
81.23.54.169	A	ip-81-23-54-169.ask4internet.com
81.23.54.170	A	ip-81-23-54-170.ask4internet.com
81.23.54.171	A	ip-81-23-54-171.ask4internet.com
81.23.54.176	A	ip-81-23-54-176.ask4internet.com
81.23.54.177	A	ip-81-23-54-177.ask4internet.com
81.23.54.178	A	ip-81-23-54-178.ask4internet.com
81.23.54.232	PTR	subnet-54-232.ask4internet.com
81.23.54.236	A	ip-81-23-54-236.ask4internet.com
81.23.54.237	A	ip-81-23-54-237.ask4internet.com
81.23.54.238	A	ip-81-23-54-238.ask4internet.com
81.23.54.241	A	ip-81-23-54-241.ask4internet.com
81.23.54.242	A	ip-81-23-54-242.ask4internet.com
81.23.54.243	A	ip-81-23-54-243.ask4internet.com
81.23.54.244	A	ip-81-23-54-244.ask4internet.com
81.23.54.248	A	ip-81-23-54-248.ask4internet.com
81.23.54.249	PTR	edge2.westone.ask4.net
81.23.54.249	A	ip-81-23-54-249.ask4internet.com
81.23.54.250	A	ip-81-23-54-250.ask4internet.com
81.23.54.251	A	ip-81-23-54-251.ask4internet.com
81.23.55.75	A	ip-81-23-55-75.ask4internet.com
81.23.55.97	A	ip-81-23-55-97.ask4internet.com
81.23.55.137	A+PTR	ip-81-23-55-137.ask4internet.com
81.23.55.184	A	ip-81-23-55-184.ask4internet.com
81.23.55.184	A	mail.thecitrushouse.com
81.23.55.211	A+PTR	mail-in2.ask4internet.com
81.23.55.211	A	ip-81-23-55-211.ask4internet.com