Robtex

Up: 72.31.0.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 72.31.16.0/21
Down right: 72.31.24.0/21

IP	Type	Hostname
72.31.16.0	PTR	072-031-016-000.res.spectrum.com
72.31.16.90	A	72-31-16-90.res.bhn.net
72.31.17.44	A	wolfnet.42k.ca
72.31.17.109	A	stitchesbrew.com
72.31.17.116	A	drakan.us
72.31.18.208	A	www.sreenidhi-gsd.com
72.31.18.234	A	uncertainoracle.com
72.31.20.78	A	72-31-20-78.res.bhn.net
72.31.20.105	A	72-31-20-105.res.bhn.net
72.31.21.2	A	72-31-21-2.res.bhn.net
72.31.22.232	A	magni.tabris.net
72.31.24.0	PTR	72-31-24-0.res.bhn.net
72.31.24.114	PTR	72-31-24-114.res.bhn.net
72.31.24.195	PTR	72-31-24-195.res.bhn.net
72.31.24.195	A	ns2.mentz.com
72.31.24.195	A	ns1.mentz.com
72.31.25.18	PTR	72-31-25-18.res.bhn.net
72.31.25.18	A	mail.hamiltonsystems.net
72.31.25.56	A	singireddy.info
72.31.25.56	A	singireddy.me
72.31.26.2	A+PTR	72-31-26-2.res.bhn.net
72.31.27.12	A	hotdam.org
72.31.27.204	A	logananteau.net
72.31.28.0	A+PTR	072-031-028-000.res.spectrum.com
72.31.28.46	A	072-031-028-046.res.spectrum.com
72.31.28.46	A	72-31-28-46.net.bhntampa.com
72.31.28.49	PTR	072-031-028-049.res.spectrum.com
72.31.28.49	A	72-31-28-49.net.bhntampa.com
72.31.28.82	A+PTR	072-031-028-082.res.spectrum.com
72.31.28.82	A	72-31-28-82.net.bhntampa.com
72.31.28.123	A	72-31-28-123.net.bhntampa.com
72.31.28.162	A+PTR	072-031-028-162.res.spectrum.com
72.31.28.162	A	72-31-28-162.net.bhntampa.com
72.31.28.165	A	72-31-28-165.net.bhntampa.com
72.31.28.165	A	072-031-028-165.res.spectrum.com
72.31.28.193	PTR	072-031-028-193.res.spectrum.com
72.31.28.193	A	72-31-28-193.net.bhntampa.com
72.31.28.241	A+PTR	072-031-028-241.res.spectrum.com
72.31.28.241	A	72-31-28-241.net.bhntampa.com
72.31.29.7	A	072-031-029-007.res.spectrum.com
72.31.29.7	A	72-31-29-7.net.bhntampa.com
72.31.29.24	A	72-31-29-24.net.bhntampa.com
72.31.29.24	A	072-031-029-024.res.spectrum.com
72.31.29.44	A	072-031-029-044.res.spectrum.com
72.31.29.44	A	72-31-29-44.net.bhntampa.com
72.31.29.50	A+PTR	072-031-029-050.res.spectrum.com
72.31.29.50	A	72-31-29-50.net.bhntampa.com
72.31.29.52	A	072-031-029-052.res.spectrum.com
72.31.29.52	A	72-31-29-52.net.bhntampa.com
72.31.29.76	A	72-31-29-76.net.bhntampa.com
72.31.29.87	A	072-031-029-087.res.spectrum.com
72.31.29.87	A	72-31-29-87.net.bhntampa.com
72.31.29.97	A	72-31-29-97.net.bhntampa.com
72.31.29.121	A	72-31-29-121.net.bhntampa.com
72.31.29.148	A	72-31-29-148.net.bhntampa.com
72.31.29.148	A	072-031-029-148.res.spectrum.com
72.31.29.157	A	072-031-029-157.res.spectrum.com
72.31.29.157	A	72-31-29-157.net.bhntampa.com
72.31.29.169	A	072-031-029-169.res.spectrum.com
72.31.29.198	A	72-31-29-198.net.bhntampa.com
72.31.29.199	A	072-031-029-199.res.spectrum.com
72.31.29.199	A	72-31-29-199.net.bhntampa.com
72.31.29.206	A	072-031-029-206.res.spectrum.com
72.31.29.224	PTR	072-031-029-224.res.spectrum.com
72.31.29.224	A	72-31-29-224.net.bhntampa.com
72.31.29.244	A	72-31-29-244.net.bhntampa.com
72.31.29.244	A	072-031-029-244.res.spectrum.com
72.31.30.2	A	72-31-30-2.res.bhn.net
72.31.30.2	A	72-31-30-2.net.bhntampa.com
72.31.30.13	A	72-31-30-13.net.bhntampa.com
72.31.30.41	A	72-31-30-41.net.bhntampa.com
72.31.30.44	A	72-31-30-44.net.bhntampa.com
72.31.30.44	A	072-031-030-044.res.spectrum.com
72.31.30.60	A	072-031-030-060.res.spectrum.com
72.31.30.60	A	72-31-30-60.net.bhntampa.com
72.31.30.64	A	72-31-30-64.net.bhntampa.com
72.31.30.125	A	072-031-030-125.res.spectrum.com
72.31.30.125	A	72-31-30-125.net.bhntampa.com
72.31.30.159	A	72-31-30-159.net.bhntampa.com
72.31.30.159	A	072-031-030-159.res.spectrum.com
72.31.30.168	A	72-31-30-168.net.bhntampa.com
72.31.30.168	A	072-031-030-168.res.spectrum.com
72.31.30.177	A+PTR	072-031-030-177.res.spectrum.com
72.31.30.177	A	72-31-30-177.net.bhntampa.com
72.31.30.179	A+PTR	072-031-030-179.res.spectrum.com
72.31.30.179	A	72-31-30-179.net.bhntampa.com
72.31.30.200	A	72-31-30-200.net.bhntampa.com
72.31.30.200	A	072-031-030-200.res.spectrum.com
72.31.30.201	A	72-31-30-201.net.bhntampa.com
72.31.30.213	A	072-031-030-213.res.spectrum.com
72.31.30.213	A	72-31-30-213.net.bhntampa.com
72.31.30.242	A+PTR	072-031-030-242.res.spectrum.com
72.31.30.242	A	72-31-30-242.net.bhntampa.com
72.31.30.251	A	72-31-30-251.net.bhntampa.com
72.31.30.251	A	072-031-030-251.res.spectrum.com
72.31.31.4	A	072-031-031-004.res.spectrum.com
72.31.31.4	A	72-31-31-4.net.bhntampa.com
72.31.31.25	A	72-31-31-25.net.bhntampa.com
72.31.31.25	A	072-031-031-025.res.spectrum.com
72.31.31.41	A	bkfd03-sar1.netops.charter.com
72.31.31.41	A	72-31-31-41.net.bhntampa.com
72.31.31.82	A+PTR	072-031-031-082.res.spectrum.com
72.31.31.82	A	72-31-31-82.net.bhntampa.com
72.31.31.106	A	72-31-31-106.net.bhntampa.com
72.31.31.106	A	072-031-031-106.res.spectrum.com
72.31.31.157	A	72-31-31-157.net.bhntampa.com
72.31.31.157	A	072-031-031-157.res.spectrum.com
72.31.31.161	A	72-31-31-161.net.bhntampa.com
72.31.31.164	A	072-031-031-164.res.spectrum.com
72.31.31.164	A	72-31-31-164.net.bhntampa.com
72.31.31.173	A	bkfd07-sar1.netops.charter.com
72.31.31.194	A+PTR	072-031-031-194.res.spectrum.com
72.31.31.194	A	72-31-31-194.net.bhntampa.com
72.31.31.224	A	72-31-31-224.net.bhntampa.com