Robtex

Up: 72.231.0.0/16
Can't show all results, try to descend to a more specific CIDR
Down left: 72.231.0.0/18
Down right: 72.231.64.0/18

IP	Type	Hostname
72.231.0.6	A	cpe-72-231-0-6.nyc.res.rr.com
72.231.0.17	A	cpe-72-231-0-17.nyc.res.rr.com
72.231.0.45	A	cpe-72-231-0-45.nyc.res.rr.com
72.231.0.111	A	cpe-72-231-0-111.nyc.res.rr.com
72.231.0.165	A	cpe-72-231-0-165.nyc.res.rr.com
72.231.0.211	A	cpe-72-231-0-211.nyc.res.rr.com
72.231.0.213	A	cpe-72-231-0-213.nyc.res.rr.com
72.231.0.221	A	cpe-72-231-0-221.nyc.res.rr.com
72.231.1.2	PTR	cpe-72-231-1-2.nyc.res.rr.com
72.231.1.44	A+PTR	cpe-72-231-1-44.nyc.res.rr.com
72.231.1.44	A	tackinghome.com
72.231.1.71	A	cpe-72-231-1-71.nyc.res.rr.com
72.231.1.171	A+PTR	cpe-72-231-1-171.nyc.res.rr.com
72.231.2.45	A	igmny.com
72.231.2.225	A+PTR	cpe-72-231-2-225.nyc.res.rr.com
72.231.3.247	A+PTR	cpe-72-231-3-247.nyc.res.rr.com
72.231.4.2	A+PTR	cpe-72-231-4-2.nyc.res.rr.com
72.231.4.11	A	cpe-72-231-4-11.nyc.res.rr.com
72.231.4.61	A	tackinghome.com
72.231.4.126	A	cpe-72-231-4-126.nyc.res.rr.com
72.231.4.148	A	cpe-72-231-4-148.nyc.res.rr.com
72.231.4.172	A	cpe-72-231-4-172.nyc.res.rr.com
72.231.4.181	A	cpe-72-231-4-181.nyc.res.rr.com
72.231.4.187	A	cpe-72-231-4-187.nyc.res.rr.com
72.231.5.5	A+PTR	cpe-72-231-5-5.nyc.res.rr.com
72.231.5.10	A+PTR	cpe-72-231-5-10.nyc.res.rr.com
72.231.6.58	A	mail.ray-field.biz
72.231.6.70	A	sethrules.com
72.231.6.96	A	cpe-72-231-6-96.nyc.res.rr.com
72.231.6.97	A	cpe-72-231-6-97.nyc.res.rr.com
72.231.6.151	A	cpe-72-231-6-151.nyc.res.rr.com
72.231.6.194	A	sixsixty.com
72.231.6.244	A	cpe-72-231-6-244.nyc.res.rr.com
72.231.6.246	A	cpe-72-231-6-246.nyc.res.rr.com
72.231.8.84	A+PTR	cpe-72-231-8-84.nyc.res.rr.com
72.231.8.89	A	umfamily.com
72.231.8.89	A	cpe-72-231-8-89.nyc.res.rr.com
72.231.8.252	A+PTR	cpe-72-231-8-252.nyc.res.rr.com
72.231.8.252	A	*.pasik.net
72.231.8.252	A	pasik.net
72.231.9.150	A+PTR	cpe-72-231-9-150.nyc.res.rr.com
72.231.9.195	A	cpe-72-231-9-195.nyc.res.rr.com
72.231.9.214	A	cpe-72-231-9-214.nyc.res.rr.com
72.231.10.2	PTR	cpe-72-231-10-2.nyc.res.rr.com
72.231.12.74	A	cpe-72-231-12-74.nyc.res.rr.com
72.231.12.86	A	cpe-72-231-12-86.nyc.res.rr.com
72.231.12.118	A	cpe-72-231-12-118.nyc.res.rr.com
72.231.12.199	A	cpe-72-231-12-199.nyc.res.rr.com
72.231.12.200	A	cpe-72-231-12-200.nyc.res.rr.com
72.231.12.201	A	cpe-72-231-12-201.nyc.res.rr.com
72.231.12.211	A	cpe-72-231-12-211.nyc.res.rr.com
72.231.13.2	A+PTR	cpe-72-231-13-2.nyc.res.rr.com
72.231.14.2	PTR	cpe-72-231-14-2.nyc.res.rr.com
72.231.15.39	PTR	cpe-72-231-15-39.nyc.res.rr.com
72.231.15.60	A+PTR	cpe-72-231-15-60.nyc.res.rr.com
72.231.18.141	A	demolafamily.org
72.231.19.94	A	cpe-72-231-19-94.si.res.rr.com
72.231.20.168	A+PTR	cpe-72-231-20-168.nyc.res.rr.com
72.231.21.2	A+PTR	cpe-72-231-21-2.nyc.res.rr.com
72.231.22.2	A+PTR	cpe-72-231-22-2.nyc.res.rr.com
72.231.22.65	A	umfamily.com
72.231.22.66	A	cpe-72-231-22-66.nyc.res.rr.com
72.231.23.153	A	cpe-72-231-23-153.nyc.res.rr.com
72.231.24.2	A+PTR	cpe-72-231-24-2.nyc.res.rr.com
72.231.24.47	A+PTR	cpe-72-231-24-47.nyc.res.rr.com
72.231.24.141	A	mail.teamimpetuous.com
72.231.24.141	A	teamimpetuous.com
72.231.24.155	A+PTR	cpe-72-231-24-155.nyc.res.rr.com
72.231.24.155	A	markkobo.com
72.231.25.14	A+PTR	cpe-72-231-25-14.nyc.res.rr.com
72.231.25.190	A+PTR	cpe-72-231-25-190.nyc.res.rr.com
72.231.25.190	A	teamimpetuous.com
72.231.26.5	A	rushdesign.myqnapcloud.com
72.231.26.24	A	cpe-72-231-26-24.nyc.res.rr.com
72.231.26.67	A	cpe-72-231-26-67.nyc.res.rr.com
72.231.26.133	A	cpe-72-231-26-133.nyc.res.rr.com
72.231.26.163	A	cpe-72-231-26-163.nyc.res.rr.com
72.231.26.173	A	cpe-72-231-26-173.nyc.res.rr.com
72.231.26.175	A	cpe-72-231-26-175.nyc.res.rr.com
72.231.27.105	A+PTR	cpe-72-231-27-105.nyc.res.rr.com
72.231.27.195	A	cpe-72-231-27-195.nyc.res.rr.com
72.231.27.244	A	brooklyn.devinstaples.com
72.231.28.2	PTR	cpe-72-231-28-2.nyc.res.rr.com
72.231.29.36	A+PTR	cpe-72-231-29-36.nyc.res.rr.com
72.231.29.36	A	erl.nyc
72.231.30.157	A	cpe-72-231-30-157.nyc.res.rr.com
72.231.30.169	A	cpe-72-231-30-169.nyc.res.rr.com
72.231.30.214	A	cpe-72-231-30-214.nyc.res.rr.com
72.231.30.251	A	cpe-72-231-30-251.nyc.res.rr.com
72.231.31.181	A	cpe-72-231-31-181.nyc.res.rr.com
72.231.31.207	A	cpe-72-231-31-207.nyc.res.rr.com
72.231.31.255	A	cpe-72-231-31-255.nyc.res.rr.com
72.231.67.2	PTR	mta-72-231-67-2.nyc.rr.com
72.231.91.219	PTR	mta-72-231-91-219.hvc.rr.com
72.231.104.131	PTR	mta-72-231-104-131.nyc.rr.com
72.231.108.130	PTR	mta-72-231-108-130.nj.rr.com
72.231.108.131	PTR	mta-72-231-108-131.nj.rr.com
72.231.111.2	PTR	mta-72-231-111-2.nj.rr.com
72.231.113.64	PTR	mta-72-231-113-64.hvc.rr.com
72.231.117.131	PTR	mta-72-231-117-131.hvc.rr.com