Robtex

Up: 216.238.0.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 216.238.16.0/21
Down right: 216.238.24.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.238.16.11	A	dns1.aisgnet.com
216.238.16.11	A	auth-dns1.aisgnet.com
216.238.16.11	A	dns3.battleop.com
216.238.16.18	PTR	mailmaster.equinoxcommunications.com
216.238.16.18	A	mail.battleop.com
216.238.16.18	A	smtp.battleop.com
216.238.17.2	A+PTR	cpe-216-238-17-2.aisgnet.com
216.238.17.210	A+PTR	mail.lubingusa.com
216.238.18.2	A	cpe-216-238-18-2.aisgnet.com
216.238.18.20	A	cpe-216-238-18-20.aisgnet.com
216.238.18.35	A+PTR	cpe-216-238-18-35.aisgnet.com
216.238.18.54	A	cpe-216-238-18-54.aisgnet.com
216.238.18.118	A	cpe-216-238-18-118.aisgnet.com
216.238.18.234	A	cpe-216-238-18-234.aisgnet.com
216.238.19.2	A	cpe-216-238-19-2.aisgnet.com
216.238.19.56	A	cpe-216-238-19-56.aisgnet.com
216.238.19.238	A	cpe-216-238-19-238.aisgnet.com
216.238.20.68	A	mail.santekenviro.com
216.238.20.68	A	remote.santekenviro.com
216.238.20.207	A	cpe-216-238-20-207.aisgnet.com
216.238.21.90	A	cpe-216-238-21-90.aisgnet.com
216.238.24.9	A	cpe-216-238-24-9.aisgnet.com
216.238.24.12	A	cpe-216-238-24-12.aisgnet.com
216.238.24.24	A	cpe-216-238-24-24.aisgnet.com
216.238.24.108	A	cpe-216-238-24-108.aisgnet.com
216.238.24.146	A+PTR	cpe-216-238-24-146.aisgnet.com
216.238.24.182	A	mail2.merchantsbankal.com
216.238.24.201	A	cpe-216-238-24-201.aisgnet.com
216.238.24.226	PTR	cpe-216-238-24-226.aisgnet.com
216.238.24.226	A	www.cw13.com
216.238.24.226	A	cwmail.cw13.com
216.238.25.2	A+PTR	cpe-216-238-25-2.aisgnet.com
216.238.25.23	A	cpe-216-238-25-23.aisgnet.com
216.238.25.137	A	cpe-216-238-25-137.aisgnet.com
216.238.25.138	A	mail.timbertops.net
216.238.25.138	A	*.timbertops.net
216.238.25.138	A	cpe-216-238-25-138.aisgnet.com
216.238.25.187	A	cpe-216-238-25-187.aisgnet.com
216.238.27.96	A+PTR	cpe-216-238-27-96.aisgnet.com
216.238.27.108	A	cpe-216-238-27-108.aisgnet.com
216.238.28.212	A	cpe-216-238-28-212.aisgnet.com
216.238.28.217	A	cpe-216-238-28-217.aisgnet.com
216.238.28.241	A+PTR	cpe-216-238-28-241.aisgnet.com
216.238.29.69	A	cpe-216-238-29-69.aisgnet.com
216.238.29.100	A	cpe-216-238-29-100.aisgnet.com
216.238.29.200	A	cpe-216-238-29-200.aisgnet.com
216.238.29.232	A	cpe-216-238-29-232.aisgnet.com
216.238.30.16	PTR	cpe-216-238-30-16.aisgnet.com
216.238.30.22	A	cpe-216-238-30-22.aisgnet.com
216.238.30.170	A	cpe-216-238-30-170.aisgnet.com
216.238.30.210	A+PTR	cpe-216-238-30-210.aisgnet.com
216.238.30.211	PTR	cpe-216-238-30-211.equinoxcommunications.com
216.238.31.99	A+PTR	cpe-216-238-31-99.aisgnet.com
216.238.31.102	A	cpe-216-238-31-102.aisgnet.com
216.238.31.170	A	cpe-216-238-31-170.aisgnet.com
216.238.31.186	A	cpe-216-238-31-186.aisgnet.com
216.238.31.211	A	cpe-216-238-31-211.aisgnet.com
216.238.31.218	A	cpe-216-238-31-218.aisgnet.com