Robtex

Up: 173.228.32.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 173.228.48.0/21
Down right: 173.228.56.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
173.228.48.0	A+PTR	173-228-48-0.static.sonic.net
173.228.48.2	PTR	173-228-48-2.static.sonic.net
173.228.48.200	A+PTR	173-228-48-200.static.sonic.net
173.228.48.204	A	smtp03.clairmail.com
173.228.49.17	A	0.xe-0-0-44.cr2.snrfca01.sonic.net
173.228.49.18	A	0.xe-1-3-1.gw4.snfcca12.sonic.net
173.228.50.66	A+PTR	mtexchange.myntahl.com
173.228.50.66	A	173-228-50-66.dedicated.static.sonic.net
173.228.50.77	A	itclx.com
173.228.50.82	PTR	173-228-50-82.dedicated.static.sonic.net
173.228.50.82	A	smtp.tri-cityhealth.org
173.228.50.82	A	mail.tri-cityhealth.org
173.228.50.115	PTR	173-228-50-115.candhenterprises.com
173.228.50.115	A	antispam.candhenterprises.com
173.228.50.242	A	externalmail.henryplastic.com
173.228.51.194	A	mail.crona.org
173.228.53.12	A+PTR	spongebob.fiver.net
173.228.53.12	A	fiver.net
173.228.53.12	A	*.fiver.net
173.228.53.13	PTR	173-228-53-13.dsl.static.fusionbroadband.com
173.228.54.17	A+PTR	173-228-54-17.dsl.dynamic.fusionbroadband.com
173.228.54.135	A	kleico.net
173.228.54.200	A+PTR	173-228-54-200.dsl.dynamic.fusionbroadband.com
173.228.54.239	A+PTR	173-228-54-239.dsl.dynamic.fusionbroadband.com
173.228.54.239	A	173-228-54-239.static.sonic.net
173.228.55.4	A+PTR	173-228-55-4.dsl.static.fusionbroadband.com
173.228.55.15	A	mailhost2.execatlas.com
173.228.55.15	A	173-228-55-15.static.sonic.net
173.228.55.15	A	mailhost2.equilar.com
173.228.55.16	A+PTR	173-228-55-16.dsl.static.fusionbroadband.com
173.228.55.16	A	173-228-55-16.static.sonic.net
173.228.55.40	A+PTR	iago.drinkgeek.org
173.228.55.40	A	drinkgeek.org
173.228.55.71	A+PTR	remote.colorsbyzoltan.com
173.228.55.76	A	zmrzlina.com
173.228.55.76	A	shihsays.com
173.228.55.76	A	elffarm.com
173.228.55.89	A	ranuqa.com
173.228.55.93	A+PTR	173-228-55-93.dsl.static.fusionbroadband.com
173.228.55.93	A	sjc.ninthbit.com
173.228.55.205	PTR	reduce.dyndns.org
173.228.55.205	A	andresvitale.com
173.228.55.205	A	mail.zekewilson.com
173.228.55.207	PTR	173-228-55-207.dsl.static.fusionbroadband.com
173.228.55.209	PTR	173-228-55-209.dsl.static.fusionbroadband.com
173.228.55.209	A	moltingpenguin.com
173.228.55.209	A	www.enoent.net
173.228.55.214	PTR	mail.enoent.net
173.228.55.236	A	173-228-55-236.dsl.static.fusionbroadband.com
173.228.55.247	A+PTR	173-228-55-247.dsl.static.fusionbroadband.com
173.228.55.251	A	mail.pairoducks.com
173.228.55.251	A	www.pairoducks.com
173.228.55.251	A	pairoducks.com
173.228.57.0	PTR	173-228-57-0.static.sonic.net
173.228.57.1	PTR	fast1-0-1.gw.sntcca01.sonic.net
173.228.57.5	A	173-228-57-5.dedicated.static.sonic.net
173.228.57.16	A+PTR	173-228-57-16.dedicated.static.sonic.net
173.228.57.19	PTR	173-228-57-19.dedicated.static.sonic.net
173.228.57.20	A	173-228-57-20.dedicated.static.sonic.net
173.228.57.22	A	173-228-57-22.dedicated.static.sonic.net
173.228.57.26	A	173-228-57-26.dedicated.static.sonic.net
173.228.57.33	A+PTR	173-228-57-33.static.sonic.net
173.228.57.35	A+PTR	173-228-57-35.static.sonic.net
173.228.57.37	A	173-228-57-37.static.sonic.net
173.228.57.39	A	173-228-57-39.static.sonic.net
173.228.57.48	A+PTR	173-228-57-48.static.sonic.net
173.228.57.51	A+PTR	173-228-57-51.static.sonic.net
173.228.57.54	A	173-228-57-54.static.sonic.net
173.228.57.55	A	173-228-57-55.static.sonic.net
173.228.57.66	A+PTR	173-228-57-66.dedicated.static.sonic.net
173.228.57.72	A	173-228-57-72.dedicated.static.sonic.net
173.228.57.73	A	173-228-57-73.dedicated.static.sonic.net
173.228.57.76	A	173-228-57-76.dedicated.static.sonic.net
173.228.57.81	A+PTR	173-228-57-81.dedicated.static.sonic.net
173.228.57.83	PTR	173-228-57-83.dedicated.static.sonic.net
173.228.57.84	A	173-228-57-84.dedicated.static.sonic.net
173.228.57.85	A	173-228-57-85.dedicated.static.sonic.net
173.228.57.90	A	173-228-57-90.dedicated.static.sonic.net
173.228.57.97	A+PTR	173-228-57-97.static.sonic.net
173.228.57.111	A	173-228-57-111.static.sonic.net
173.228.57.114	A+PTR	173-228-57-114.dedicated.static.sonic.net
173.228.57.124	A	173-228-57-124.dedicated.static.sonic.net
173.228.57.133	A	173-228-57-133.dedicated.static.sonic.net
173.228.57.134	A	173-228-57-134.dedicated.static.sonic.net
173.228.57.136	A	173-228-57-136.dedicated.static.sonic.net
173.228.57.145	A+PTR	173-228-57-145.dedicated.static.sonic.net
173.228.57.146	A+PTR	173-228-57-146.dedicated.static.sonic.net
173.228.57.148	A	173-228-57-148.dedicated.static.sonic.net
173.228.57.152	A	173-228-57-152.dedicated.static.sonic.net
173.228.57.164	A	173-228-57-164.dedicated.static.sonic.net
173.228.57.168	A	173-228-57-168.dedicated.static.sonic.net
173.228.57.170	A	173-228-57-170.dedicated.static.sonic.net
173.228.57.178	A+PTR	173-228-57-178.dedicated.static.sonic.net
173.228.57.181	A	173-228-57-181.dedicated.static.sonic.net
173.228.57.182	A	173-228-57-182.dedicated.static.sonic.net
173.228.57.185	A	173-228-57-185.dedicated.static.sonic.net
173.228.57.195	PTR	173-228-57-195.dedicated.static.sonic.net
173.228.57.195	A	ngkusa001.ngk-usa.com
173.228.57.195	A	smtp.ngk-usa.com
173.228.57.197	A	173-228-57-197.dedicated.static.sonic.net
173.228.57.203	A	173-228-57-203.dedicated.static.sonic.net
173.228.57.219	A	173-228-57-219.static.sonic.net
173.228.57.223	A	173-228-57-223.static.sonic.net
173.228.57.224	PTR	173-228-57-224.static.sonic.net
173.228.57.227	A+PTR	173-228-57-227.dedicated.static.sonic.net
173.228.57.231	A	ns8.nuezra.com
173.228.57.232	A	ns9.nuezra.com
173.228.57.233	A	173-228-57-233.dedicated.static.sonic.net
173.228.57.240	A+PTR	173-228-57-240.dedicated.static.sonic.net
173.228.57.242	A+PTR	173-228-57-242.dedicated.static.sonic.net
173.228.57.243	A+PTR	173-228-57-243.dedicated.static.sonic.net
173.228.57.243	A	mail.westerngrinding.com
173.228.59.17	A	middle-g.net
173.228.59.246	A	ceseracciu.net
173.228.59.246	A	mail.ceseracciu.net
173.228.60.0	PTR	173-228-60-0.dsl.dynamic.sonic.net
173.228.60.108	A	christian-assembly.org
173.228.60.167	A+PTR	173-228-60-167.dsl.dynamic.fusionbroadband.com
173.228.60.167	A	ntlsys.com
173.228.60.169	A	christian-assembly.org
173.228.61.16	A+PTR	173-228-61-16.dsl.static.fusionbroadband.com
173.228.61.37	A	mail2.redlinesolutions.com
173.228.61.49	PTR	173-228-61-49.dsl.static.fusionbroadband.com
173.228.61.49	A	pvpgn.com
173.228.61.49	A	www.pvpgn.net
173.228.61.58	PTR	173-228-61-58.dsl.static.fusionbroadband.com
173.228.61.60	PTR	173-228-61-60.dsl.static.fusionbroadband.com
173.228.61.64	A	cyiplaw.com
173.228.61.65	PTR	173-228-61-65.dsl.static.fusionbroadband.com
173.228.61.65	A	laichichi.com
173.228.61.65	A	*.penguintown.net
173.228.61.128	A+PTR	173-228-61-128.dsl.static.fusionbroadband.com
173.228.61.129	PTR	173-228-61-129.dsl.static.fusionbroadband.com
173.228.61.129	A	freasha.blade.io
173.228.61.129	A	dns.blade.io
173.228.61.131	PTR	173-228-61-131.dsl.static.fusionbroadband.com
173.228.61.132	PTR	173-228-61-132.dsl.static.fusionbroadband.com
173.228.61.194	A	identityawarenetworking.com
173.228.61.220	A	email.anacomputers.com
173.228.61.222	A+PTR	173-228-61-222.dsl.static.fusionbroadband.com
173.228.61.236	A+PTR	pcnt.com
173.228.61.236	A	mail.pcnt.com
173.228.61.236	A	mx.trex.org
173.228.61.252	A	mail.braininlaw.com
173.228.62.0	A+PTR	173-228-62-0.dedicated.static.sonic.net
173.228.62.50	A+PTR	mail.mtzhf.com
173.228.62.82	A+PTR	email.toolworks.org
173.228.62.82	A	mail.toolworks.org
173.228.62.82	A	mail2.toolworks.org
173.228.62.133	A+PTR	173-228-62-133.dedicated.static.sonic.net
173.228.62.133	A	infra.wish.com
173.228.62.146	A	mailhost.reliantgroup.com
173.228.62.192	A+PTR	173-228-62-192.dedicated.static.sonic.net
173.228.62.245	A+PTR	173-228-62-245.static.sonic.net
173.228.63.0	PTR	173-228-63-0.dsl.static.sonic.net
173.228.63.10	A	mailserv.saxonyapparel.com
173.228.63.20	A	testlabs.net
173.228.63.20	A	mail.testlabs.com
173.228.63.20	A	www.testlabs.com
173.228.63.55	A	remote.evolswsys.com
173.228.63.55	A	evolswsys.net
173.228.63.55	A	zontachicagoloop.org
173.228.63.88	A	mail.sturdevantlaw.com
173.228.63.106	A	mxsf.taracapacific.com
173.228.63.144	A	173-228-63-144.dsl.static.sonic.net
173.228.63.156	A	173-228-63-156.dsl.static.sonic.net