Robtex

Up: 72.128.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 72.128.0.0/17
Down right: 72.128.128.0/17
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
72.128.0.0	PTR	cpe-72-128-0-0.kc.res.rr.com
72.128.4.126	PTR	cpe-72-128-4-126.kc.res.rr.com
72.128.4.129	A	cpe-72-128-4-129.kc.res.rr.com
72.128.4.168	A+PTR	cpe-72-128-4-168.kc.res.rr.com
72.128.4.196	A+PTR	cpe-72-128-4-196.kc.res.rr.com
72.128.5.65	A	mail.ineffable.me
72.128.5.120	A+PTR	cpe-72-128-5-120.kc.res.rr.com
72.128.5.160	A+PTR	cpe-72-128-5-160.kc.res.rr.com
72.128.5.209	A	cpe-72-128-5-209.kc.res.rr.com
72.128.6.118	A	cpe-72-128-6-118.kc.res.rr.com
72.128.7.5	A+PTR	cpe-72-128-7-5.kc.res.rr.com
72.128.7.30	PTR	cpe-72-128-7-30.kc.res.rr.com
72.128.16.133	A	technobug.com
72.128.16.200	A	cpe-72-128-16-200.kc.res.rr.com
72.128.16.207	A	cpe-72-128-16-207.kc.res.rr.com
72.128.16.208	A	cpe-72-128-16-208.kc.res.rr.com
72.128.17.0	PTR	cpe-72-128-17-0.kc.res.rr.com
72.128.17.2	A+PTR	cpe-72-128-17-2.kc.res.rr.com
72.128.17.7	A	cpe-72-128-17-7.kc.res.rr.com
72.128.17.11	A	cpe-72-128-17-11.kc.res.rr.com
72.128.17.16	A	cpe-72-128-17-16.kc.res.rr.com
72.128.18.2	PTR	cpe-72-128-18-2.kc.res.rr.com
72.128.18.17	A	innotechadvancements.com
72.128.18.200	A+PTR	cpe-72-128-18-200.kc.res.rr.com
72.128.19.32	A	cpe-72-128-19-32.kc.res.rr.com
72.128.19.130	A	cpe-72-128-19-130.kc.res.rr.com
72.128.20.6	A	cpe-72-128-20-6.kc.res.rr.com
72.128.20.38	A	cpe-72-128-20-38.kc.res.rr.com
72.128.20.48	A	cpe-72-128-20-48.kc.res.rr.com
72.128.20.105	A	cpe-72-128-20-105.kc.res.rr.com
72.128.21.12	A	cpe-72-128-21-12.kc.res.rr.com
72.128.21.43	A	cpe-72-128-21-43.kc.res.rr.com
72.128.21.46	A	cpe-72-128-21-46.kc.res.rr.com
72.128.21.66	A	cpe-72-128-21-66.kc.res.rr.com
72.128.22.52	A	cpe-72-128-22-52.kc.res.rr.com
72.128.22.224	A+PTR	cpe-72-128-22-224.kc.res.rr.com
72.128.24.71	A+PTR	cpe-72-128-24-71.kc.res.rr.com
72.128.24.71	A	anotherwallsthing.com
72.128.26.2	PTR	cpe-72-128-26-2.kc.res.rr.com
72.128.26.137	A+PTR	cpe-72-128-26-137.kc.res.rr.com
72.128.26.137	A	buildingengineernetwork.com
72.128.28.2	PTR	cpe-72-128-28-2.kc.res.rr.com
72.128.28.73	A	pencricket.com
72.128.29.252	A+PTR	cpe-72-128-29-252.kc.res.rr.com
72.128.30.46	A+PTR	cpe-72-128-30-46.kc.res.rr.com
72.128.30.46	A	raineoriginal.com
72.128.30.69	PTR	cpe-72-128-30-69.kc.res.rr.com
72.128.30.121	A	russrudduck.com
72.128.30.121	A	cpe-72-128-30-121.kc.res.rr.com
72.128.31.85	A	cpe-72-128-31-85.kc.res.rr.com
72.128.31.211	A	cpe-72-128-31-211.kc.res.rr.com
72.128.31.249	A	cpe-72-128-31-249.kc.res.rr.com
72.128.31.251	A	cpe-72-128-31-251.kc.res.rr.com
72.128.32.0	PTR	cpe-72-128-32-0.kc.res.rr.com
72.128.34.237	A	blog.derekcreason.com
72.128.38.101	PTR	cpe-72-128-38-101.kc.res.rr.com
72.128.39.142	A+PTR	cpe-72-128-39-142.kc.res.rr.com
72.128.40.0	A+PTR	cpe-72-128-40-0.kc.res.rr.com
72.128.40.93	A+PTR	cpe-72-128-40-93.kc.res.rr.com
72.128.40.138	A	cpe-72-128-40-138.kc.res.rr.com
72.128.40.235	A	jmahurin.com
72.128.41.76	A+PTR	cpe-72-128-41-76.kc.res.rr.com
72.128.42.49	A+PTR	cpe-72-128-42-49.kc.res.rr.com
72.128.42.49	A	beyondmygrave.com
72.128.43.0	A+PTR	cpe-72-128-43-0.kc.res.rr.com
72.128.43.0	A	mobilesynd.com
72.128.43.89	A	blog.derekcreason.com
72.128.43.89	A	derekcreason.com
72.128.43.240	PTR	cpe-72-128-43-240.kc.res.rr.com
72.128.44.0	A+PTR	cpe-72-128-44-0.kc.res.rr.com
72.128.44.229	A	mail.beltonremembers.org
72.128.45.152	A	haverkamp.us
72.128.47.83	A+PTR	cpe-72-128-47-83.kc.res.rr.com
72.128.47.83	A	ethanpresley.com
72.128.47.104	PTR	cpe-72-128-47-104.kc.res.rr.com
72.128.47.104	A	windingroadretreat.com
72.128.47.104	A	screenprintsplus.com
72.128.47.183	PTR	cpe-72-128-47-183.kc.res.rr.com
72.128.50.69	PTR	cpe-72-128-50-69.kc.res.rr.com
72.128.52.149	PTR	cpe-72-128-52-149.kc.res.rr.com
72.128.53.109	A+PTR	cpe-72-128-53-109.kc.res.rr.com
72.128.56.29	A	cpe-72-128-56-29.kc.res.rr.com
72.128.56.73	A+PTR	cpe-72-128-56-73.kc.res.rr.com
72.128.57.219	A+PTR	cpe-72-128-57-219.kc.res.rr.com
72.128.63.100	A	polexus.com
72.128.65.10	A	cpe-72-128-65-10.wi.res.rr.com
72.128.66.102	A	cpe-72-128-66-102.wi.res.rr.com
72.128.67.92	A	coyotecave.us
72.128.67.94	A+PTR	cpe-72-128-67-94.wi.res.rr.com
72.128.68.179	A	mail.roguesailing.org
72.128.69.24	A+PTR	cpe-72-128-69-24.wi.res.rr.com
72.128.70.0	PTR	cpe-72-128-70-0.wi.res.rr.com
72.128.71.137	A	cpe-72-128-71-137.wi.res.rr.com
72.128.71.170	A	wolfsinger.com
72.128.73.210	A	cpe-72-128-73-210.wi.res.rr.com
72.128.75.63	PTR	cpe-72-128-75-63.wi.res.rr.com
72.128.75.126	PTR	cpe-72-128-75-126.wi.res.rr.com
72.128.75.126	A	altslashgo.com
72.128.76.97	A	cpe-72-128-76-97.wi.res.rr.com
72.128.76.178	PTR	cpe-72-128-76-178.wi.res.rr.com
72.128.76.178	A	little-garins.com
72.128.76.230	A+PTR	cpe-72-128-76-230.wi.res.rr.com
72.128.76.230	A	coyotecave.net
72.128.78.114	A+PTR	cpe-72-128-78-114.wi.res.rr.com
72.128.78.179	A	cpe-72-128-78-179.wi.res.rr.com
72.128.78.239	A	themedianorth.com
72.128.78.239	A	cpe-72-128-78-239.wi.res.rr.com
72.128.79.103	A+PTR	cpe-72-128-79-103.wi.res.rr.com
72.128.79.152	A+PTR	cpe-72-128-79-152.wi.res.rr.com
72.128.79.185	PTR	cpe-72-128-79-185.wi.res.rr.com
72.128.79.185	A	aperias.com
72.128.79.185	A	rogue-marine.com
72.128.80.79	A+PTR	cpe-72-128-80-79.wi.res.rr.com
72.128.80.79	A	k8createsphoto.com
72.128.81.16	A+PTR	cpe-72-128-81-16.wi.res.rr.com
72.128.81.27	A+PTR	cpe-72-128-81-27.wi.res.rr.com
72.128.81.27	A	bertha.coldmoon.net
72.128.81.161	A	lovelygreen.org
72.128.82.182	A+PTR	cpe-72-128-82-182.wi.res.rr.com
72.128.82.191	A	cpe-72-128-82-191.wi.res.rr.com
72.128.83.23	A+PTR	cpe-72-128-83-23.wi.res.rr.com
72.128.83.57	A+PTR	cpe-72-128-83-57.wi.res.rr.com
72.128.84.68	A	corvetteconnection.net
72.128.84.235	A	swimtshirts.com
72.128.84.252	A	hostmaster.alexsoftware.com
72.128.84.252	A	alexsoftware.com
72.128.85.28	A+PTR	cpe-72-128-85-28.wi.res.rr.com
72.128.85.28	A	deanhouse.net
72.128.85.198	A	dumke.com
72.128.86.24	A+PTR	cpe-72-128-86-24.wi.res.rr.com
72.128.86.24	A	willgriesmer.com
72.128.86.91	A+PTR	cpe-72-128-86-91.wi.res.rr.com
72.128.86.91	A	yara162.com
72.128.86.203	PTR	cpe-72-128-86-203.wi.res.rr.com
72.128.87.13	A	cpe-72-128-87-13.wi.res.rr.com
72.128.87.247	A	tmsazb.asuscomm.com
72.128.88.41	A+PTR	cpe-72-128-88-41.wi.res.rr.com
72.128.88.60	A+PTR	cpe-72-128-88-60.wi.res.rr.com
72.128.88.60	A	mail.thefatforeigner.com
72.128.88.99	A+PTR	cpe-72-128-88-99.wi.res.rr.com
72.128.89.27	A+PTR	cpe-72-128-89-27.wi.res.rr.com
72.128.89.97	A	cpe-72-128-89-97.wi.res.rr.com
72.128.89.123	A	cpe-72-128-89-123.wi.res.rr.com
72.128.89.123	A	schmechel.us
72.128.91.111	A	midwestcompsol.com
72.128.91.191	A	cpe-72-128-91-191.wi.res.rr.com
72.128.92.122	A+PTR	cpe-72-128-92-122.wi.res.rr.com
72.128.92.122	A	trackalerth.com
72.128.92.174	A+PTR	cpe-72-128-92-174.wi.res.rr.com
72.128.93.49	PTR	cpe-72-128-93-49.wi.res.rr.com
72.128.93.88	A	mail.s2support.com
72.128.93.103	A	cpe-72-128-93-103.wi.res.rr.com
72.128.94.16	A+PTR	cpe-72-128-94-16.wi.res.rr.com
72.128.94.16	A	home.holdmannitm.com
72.128.94.186	A	mail.douglewis.net
72.128.94.186	A	douglewis.net
72.128.94.215	PTR	cpe-72-128-94-215.wi.res.rr.com
72.128.95.0	PTR	cpe-72-128-95-0.wi.res.rr.com
72.128.95.6	A+PTR	cpe-72-128-95-6.wi.res.rr.com
72.128.95.6	A	thefredericks.info
72.128.96.52	A+PTR	cpe-72-128-96-52.wi.res.rr.com
72.128.96.60	A+PTR	cpe-72-128-96-60.wi.res.rr.com
72.128.96.60	A	kojasou.com
72.128.96.209	A	cpe-72-128-96-209.wi.res.rr.com
72.128.97.107	A	cpe-72-128-97-107.wi.res.rr.com
72.128.97.152	A+PTR	cpe-72-128-97-152.wi.res.rr.com
72.128.100.153	A+PTR	cpe-72-128-100-153.wi.res.rr.com
72.128.101.126	A+PTR	cpe-72-128-101-126.wi.res.rr.com
72.128.101.183	A+PTR	cpe-72-128-101-183.wi.res.rr.com
72.128.101.183	A	corntubes.com
72.128.101.206	A	cpe-72-128-101-206.wi.res.rr.com
72.128.103.131	A+PTR	cpe-72-128-103-131.wi.res.rr.com
72.128.104.68	A	gekostate.net
72.128.105.230	A+PTR	cpe-72-128-105-230.wi.res.rr.com
72.128.107.6	A+PTR	cpe-72-128-107-6.wi.res.rr.com
72.128.107.115	A+PTR	cpe-72-128-107-115.wi.res.rr.com
72.128.108.95	PTR	cpe-72-128-108-95.wi.res.rr.com
72.128.108.129	A	cpe-72-128-108-129.wi.res.rr.com
72.128.108.137	A	onion.gotdns.com
72.128.108.137	A	cpe-72-128-108-137.wi.res.rr.com
72.128.109.19	A+PTR	cpe-72-128-109-19.wi.res.rr.com
72.128.109.19	A	teamharmonydiscord.com
72.128.109.42	A+PTR	cpe-72-128-109-42.wi.res.rr.com
72.128.109.224	A	cpe-72-128-109-224.wi.res.rr.com
72.128.110.1	A	devgamers.com
72.128.110.33	PTR	cpe-72-128-110-33.wi.res.rr.com
72.128.110.33	A	www.mikeglock.com
72.128.110.33	A	mikeglock.com
72.128.112.40	A+PTR	cpe-72-128-112-40.wi.res.rr.com
72.128.112.40	A	birdsandbdsm.com
72.128.112.115	A+PTR	cpe-72-128-112-115.wi.res.rr.com
72.128.112.115	A	coalcreekroleplay.com
72.128.113.214	A+PTR	cpe-72-128-113-214.wi.res.rr.com
72.128.113.214	A	goldenmilopercy.com
72.128.116.26	A+PTR	cpe-72-128-116-26.wi.res.rr.com
72.128.116.40	A+PTR	cpe-72-128-116-40.wi.res.rr.com
72.128.116.40	A	technodump.com
72.128.116.40	A	mail.technodump.com
72.128.117.143	PTR	cpe-72-128-117-143.wi.res.rr.com
72.128.118.93	A	cpe-72-128-118-93.wi.res.rr.com
72.128.118.108	A	rootcreek.net
72.128.119.219	A+PTR	cpe-72-128-119-219.wi.res.rr.com
72.128.122.98	A	cpe-72-128-122-98.wi.res.rr.com
72.128.122.251	A	beer-guy.com
72.128.123.170	A+PTR	cpe-72-128-123-170.wi.res.rr.com
72.128.123.187	A+PTR	cpe-72-128-123-187.wi.res.rr.com
72.128.124.191	A+PTR	cpe-72-128-124-191.wi.res.rr.com
72.128.124.191	A	intrik8.com
72.128.125.174	A	cpe-72-128-125-174.wi.res.rr.com
72.128.127.53	A+PTR	cpe-72-128-127-53.wi.res.rr.com
72.128.128.1	PTR	mta-72-128-128-1.kc.rr.com
72.128.128.106	A	vinosplace.com
72.128.132.6	A	popular-watch.com
72.128.132.6	A	dc-45d25e12267a.sacred.website
72.128.132.6	A	mail.waterintuitive.com
72.128.132.210	PTR	rrcs-72-128-132-210.sw.biz.rr.com
72.128.132.211	PTR	rrcs-72-128-132-211.sw.biz.rr.com
72.128.132.212	PTR	rrcs-72-128-132-212.sw.biz.rr.com
72.128.133.195	A+PTR	rrcs-72-128-133-195.sw.biz.rr.com
72.128.133.195	A	recyclingtimes.com
72.128.133.195	A	sellitzone.com
72.128.135.226	A	goodfaithenergy.com
72.128.139.178	A	rcwoolseylaw.com
72.128.143.27	A+PTR	rrcs-72-128-143-27.sw.biz.rr.com
72.128.147.114	A+PTR	rrcs-72-128-147-114.sw.biz.rr.com
72.128.149.74	A+PTR	rrcs-72-128-149-74.sw.biz.rr.com
72.128.149.74	A	mail.graydongroup.net
72.128.152.202	A+PTR	rrcs-72-128-152-202.sw.biz.rr.com
72.128.158.196	A+PTR	rrcs-72-128-158-196.sw.biz.rr.com
72.128.158.196	A	globalview.io
72.128.158.196	A	www.globalview.io
72.128.159.203	PTR	raw.thehippo.net
72.128.159.203	PTR	ra.thehippo.net
72.128.159.203	A	chszebras91.com
72.128.192.104	A+PTR	cpe-72-128-192-104.wi.res.rr.com
72.128.192.104	A	mail.pyronex.com
72.128.192.104	A	pyronex.com
72.128.192.197	A+PTR	cpe-72-128-192-197.wi.res.rr.com
72.128.193.32	PTR	cpe-72-128-193-32.wi.res.rr.com
72.128.196.1	A+PTR	cpe-72-128-196-1.wi.res.rr.com
72.128.196.3	A+PTR	cpe-72-128-196-3.wi.res.rr.com
72.128.196.6	A	cpe-72-128-196-6.wi.res.rr.com
72.128.196.7	A	cpe-72-128-196-7.wi.res.rr.com
72.128.197.23	A	cpe-72-128-197-23.wi.res.rr.com
72.128.197.236	A	tspringer.com
72.128.198.3	A+PTR	cpe-72-128-198-3.wi.res.rr.com
72.128.198.28	A+PTR	cpe-72-128-198-28.wi.res.rr.com
72.128.198.109	A+PTR	cpe-72-128-198-109.wi.res.rr.com
72.128.198.109	A	www.martino.cc
72.128.200.10	A+PTR	cpe-72-128-200-10.wi.res.rr.com
72.128.201.47	A+PTR	cpe-72-128-201-47.wi.res.rr.com
72.128.201.47	A	thhpro.com
72.128.201.176	A	jaredboulden.com
72.128.201.176	A	neuronfirestudios.com
72.128.202.15	A+PTR	cpe-72-128-202-15.wi.res.rr.com
72.128.202.203	A	newmail.blinkdraw.com
72.128.202.203	A	blinkdraw.com
72.128.203.222	A	cpe-72-128-203-222.wi.res.rr.com
72.128.205.66	A	cpe-72-128-205-66.wi.res.rr.com
72.128.206.50	PTR	cpe-72-128-206-50.wi.res.rr.com
72.128.207.46	A+PTR	cpe-72-128-207-46.wi.res.rr.com
72.128.207.46	A	palmsonic.net
72.128.207.227	PTR	cpe-72-128-207-227.wi.res.rr.com
72.128.208.62	PTR	cpe-72-128-208-62.wi.res.rr.com
72.128.208.62	A	wprcms.com
72.128.209.22	A	marketrealtygroup.com
72.128.210.81	PTR	cpe-72-128-210-81.wi.res.rr.com
72.128.210.81	A	remote.pyronex.com
72.128.213.115	A+PTR	cpe-72-128-213-115.wi.res.rr.com
72.128.214.161	A	cpe-72-128-214-161.wi.res.rr.com
72.128.215.0	A+PTR	cpe-72-128-215-0.wi.res.rr.com
72.128.215.2	A+PTR	cpe-72-128-215-2.wi.res.rr.com
72.128.215.6	A	cpe-72-128-215-6.wi.res.rr.com
72.128.215.9	A	cpe-72-128-215-9.wi.res.rr.com
72.128.219.156	A+PTR	cpe-72-128-219-156.wi.res.rr.com
72.128.220.16	A+PTR	cpe-72-128-220-16.wi.res.rr.com
72.128.222.95	A+PTR	cpe-72-128-222-95.wi.res.rr.com
72.128.222.116	PTR	cpe-72-128-222-116.wi.res.rr.com
72.128.222.251	A	cpe-72-128-222-251.wi.res.rr.com
72.128.248.1	PTR	mta-72-128-248-1.wi.rr.com