Robtex

Up: 173.0.160.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 173.0.160.0/21
Down right: 173.0.168.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
173.0.160.3	A	ns1.megasys.net
173.0.160.10	A	purebiologic.com
173.0.160.10	A	idatamd.net
173.0.160.10	A	idatamd.org
173.0.160.19	PTR	usa-173-0-160-19.sohonet.com
173.0.160.19	A	kbwr.com
173.0.160.19	A	kbwrinc.com
173.0.160.20	PTR	kerio.kbwtr.com
173.0.160.21	PTR	usa-173-0-160-21.sohonet.com
173.0.160.21	A	mail.kbwtr.com
173.0.160.21	A	mail.pacificfutures.org
173.0.160.35	PTR	usa-173-0-160-35.sohonet.com
173.0.160.35	A	powerbudget.com
173.0.160.35	A	districtwarehouse.com
173.0.160.81	PTR	usa-173-0-160-81.sohonet.com
173.0.160.89	PTR	usa-173-0-160-89.sohonet.com
173.0.160.90	PTR	usa-173-0-160-90.sohonet.com
173.0.160.91	PTR	usa-173-0-160-91.sohonet.com
173.0.161.2	PTR	bluerail.org
173.0.161.2	A	mail.bluerail.org
173.0.161.2	A	mail.bluerail.net
173.0.161.4	PTR	bluerail.net
173.0.161.4	A	mail.guystuffusa.com
173.0.161.4	A	mail.histinv.com
173.0.161.5	PTR	bluerail.net
173.0.161.6	PTR	roguewire.com
173.0.161.18	PTR	www.point360.com
173.0.161.18	A	point360.com
173.0.161.34	PTR	www.primera.com
173.0.161.34	A	primerainkrefills.com
173.0.161.34	A	primeradisc.com
173.0.161.35	PTR	www.primeraeurope.com
173.0.161.36	PTR	usa-173-0-161-36.sohonet.com
173.0.162.2	A	cab1-apc2-ir.dynamic.net
173.0.162.3	A	cab1-apc1-ir.dynamic.net
173.0.162.5	A	cab2-apc1-ir.dynamic.net
173.0.162.6	A	cab2-apc2-ir.dynamic.net
173.0.163.3	A	backupmail.dynamic.com
173.0.164.10	A	rothcheese.point4data.com
173.0.164.14	A	cellgateinternational.com
173.0.164.16	PTR	thepreferredprepaid.com
173.0.164.16	A	thepinportal.com
173.0.164.16	A	mail.thepinportal.com
173.0.164.17	PTR	ca1-ubs-ds-ir.dynamic.net
173.0.164.17	A	centralsanitary.com
173.0.164.17	A	deespaperco.com
173.0.164.32	PTR	usa-173-0-164-32.sohonet.com
173.0.164.32	A	demossn.dynamic.net
173.0.164.33	PTR	www.dynamic.com
173.0.164.33	A	dynamic.ws
173.0.164.33	A	hardsoftcorp.net
173.0.164.36	A	*.ubsynergy.net
173.0.164.50	A	www.hcexpos.com
173.0.164.50	A	hcexpos.com
173.0.164.50	A	crestsoftwarecorp.com
173.0.164.55	PTR	norwick.net
173.0.164.72	PTR	usa-173-0-164-72.sohonet.com
173.0.164.87	PTR	usa-173-0-164-87.sohonet.com
173.0.164.88	PTR	usa-173-0-164-88.sohonet.com
173.0.164.133	A	atriumcam.com
173.0.164.133	A	sentrymgt.com
173.0.164.133	A	www.sentrymgt.com
173.0.164.144	A	telesphoros.com
173.0.164.146	A	affirmedtech.com
173.0.164.152	A	imperialsprinkler.com
173.0.164.152	A	imperialsprinklersupply.com
173.0.164.160	A	levillage.com
173.0.164.167	A	panel5-dci-vli.dynamic.net
173.0.164.167	A	panel5.dynamic.net
173.0.164.167	A	panel5-smtp-alt1.dynamic.net
173.0.164.181	A	www.elderrage.com
173.0.164.187	PTR	usa-173-0-164-187.sohonet.com
173.0.164.187	A	simplerediscovery.com
173.0.164.187	A	simplerediscovery.org
173.0.164.188	PTR	han896-vs-ir.dynamic.net
173.0.164.202	A	celticcapital.com
173.0.164.212	A	judaicaheaven.com
173.0.164.212	A	storesense04.dynamic.net
173.0.164.212	A	www.judaicaheaven.com
173.0.164.217	A	*.sentrymgt.com
173.0.164.218	PTR	usa-173-0-164-218.sohonet.com
173.0.165.88	PTR	usa-173-0-165-88.sohonet.com
173.0.168.47	A	shell.spherewms.com
173.0.168.51	PTR	usa-173-0-168-51.sohonet.com
173.0.168.51	A	kitchen-tracker.com
173.0.168.80	PTR	usa-173-0-168-80.sohonet.com
173.0.168.81	PTR	usa-173-0-168-81.sohonet.com
173.0.168.83	PTR	usa-173-0-168-83.sohonet.com
173.0.168.85	PTR	usa-173-0-168-85.sohonet.com
173.0.168.90	A	auth1.unicode.com
173.0.168.91	A	www02.unicode.com
173.0.168.94	A	edicas.unicode.com
173.0.168.112	PTR	usa-173-0-168-112.sohonet.com
173.0.169.80	PTR	usa-173-0-169-80.sohonet.com
173.0.169.81	PTR	usa-173-0-169-81.sohonet.com
173.0.169.88	PTR	usa-173-0-169-88.sohonet.com
173.0.169.89	PTR	usa-173-0-169-89.sohonet.com
173.0.169.121	PTR	usa-173-0-169-121.sohonet.com
173.0.170.81	PTR	usa-173-0-170-81.sohonet.com
173.0.171.81	PTR	usa-173-0-171-81.sohonet.com
173.0.171.89	PTR	usa-173-0-171-89.sohonet.com