Robtex

Up: 71.15.128.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 71.15.136.0/22
Down right: 71.15.140.0/22

IP	Type	Hostname
71.15.136.0	PTR	71-15-136-0.dhcp.stls.mo.charter.com
71.15.138.24	A	mail.acrileycotton.com
71.15.138.224	A+PTR	71-15-138-224.dhcp.stls.mo.charter.com
71.15.140.1	A+PTR	71-15-140-1.dhcp.stls.mo.charter.com
71.15.140.4	A	71-15-140-4.dhcp.stls.mo.charter.com
71.15.140.6	A	71-15-140-6.dhcp.stls.mo.charter.com
71.15.140.13	A	71-15-140-13.dhcp.stls.mo.charter.com
71.15.140.15	A	71-15-140-15.dhcp.stls.mo.charter.com
71.15.140.19	A+PTR	71-15-140-19.dhcp.stls.mo.charter.com
71.15.140.21	A	71-15-140-21.dhcp.stls.mo.charter.com
71.15.140.22	A	71-15-140-22.dhcp.stls.mo.charter.com
71.15.140.24	A+PTR	71-15-140-24.dhcp.stls.mo.charter.com
71.15.140.26	A+PTR	71-15-140-26.dhcp.stls.mo.charter.com
71.15.140.31	A	71-15-140-31.dhcp.stls.mo.charter.com
71.15.140.34	A+PTR	71-15-140-34.dhcp.stls.mo.charter.com
71.15.140.38	A	71-15-140-38.dhcp.stls.mo.charter.com
71.15.140.39	A	71-15-140-39.dhcp.stls.mo.charter.com
71.15.140.43	A+PTR	71-15-140-43.dhcp.stls.mo.charter.com
71.15.140.49	A+PTR	71-15-140-49.dhcp.stls.mo.charter.com
71.15.140.53	A	71-15-140-53.dhcp.stls.mo.charter.com
71.15.140.59	A+PTR	71-15-140-59.dhcp.stls.mo.charter.com
71.15.140.60	A	71-15-140-60.dhcp.stls.mo.charter.com
71.15.140.65	A+PTR	71-15-140-65.dhcp.stls.mo.charter.com
71.15.140.68	A	71-15-140-68.dhcp.stls.mo.charter.com
71.15.140.71	A	71-15-140-71.dhcp.stls.mo.charter.com
71.15.140.73	A+PTR	71-15-140-73.dhcp.stls.mo.charter.com
71.15.140.79	A	71-15-140-79.dhcp.stls.mo.charter.com
71.15.140.83	A+PTR	71-15-140-83.dhcp.stls.mo.charter.com
71.15.140.84	A	71-15-140-84.dhcp.stls.mo.charter.com
71.15.140.88	A+PTR	71-15-140-88.dhcp.stls.mo.charter.com
71.15.140.90	A+PTR	71-15-140-90.dhcp.stls.mo.charter.com
71.15.140.91	A+PTR	71-15-140-91.dhcp.stls.mo.charter.com
71.15.140.99	A+PTR	71-15-140-99.dhcp.stls.mo.charter.com
71.15.140.105	A+PTR	71-15-140-105.dhcp.stls.mo.charter.com
71.15.140.107	A+PTR	71-15-140-107.dhcp.stls.mo.charter.com
71.15.140.110	A	71-15-140-110.dhcp.stls.mo.charter.com
71.15.140.113	A+PTR	71-15-140-113.dhcp.stls.mo.charter.com
71.15.140.114	A+PTR	71-15-140-114.dhcp.stls.mo.charter.com
71.15.140.116	A	71-15-140-116.dhcp.stls.mo.charter.com
71.15.140.119	A	71-15-140-119.dhcp.stls.mo.charter.com
71.15.140.122	A+PTR	71-15-140-122.dhcp.stls.mo.charter.com
71.15.140.124	A	71-15-140-124.dhcp.stls.mo.charter.com
71.15.140.125	A	71-15-140-125.dhcp.stls.mo.charter.com
71.15.140.127	A	71-15-140-127.dhcp.stls.mo.charter.com
71.15.140.132	A	71-15-140-132.dhcp.stls.mo.charter.com
71.15.140.135	A	71-15-140-135.dhcp.stls.mo.charter.com
71.15.140.138	A+PTR	71-15-140-138.dhcp.stls.mo.charter.com
71.15.140.141	A	71-15-140-141.dhcp.stls.mo.charter.com
71.15.140.144	A+PTR	71-15-140-144.dhcp.stls.mo.charter.com
71.15.140.145	A+PTR	71-15-140-145.dhcp.stls.mo.charter.com
71.15.140.150	A	71-15-140-150.dhcp.stls.mo.charter.com
71.15.140.158	A	71-15-140-158.dhcp.stls.mo.charter.com
71.15.140.173	A	71-15-140-173.dhcp.stls.mo.charter.com
71.15.140.176	A+PTR	71-15-140-176.dhcp.stls.mo.charter.com
71.15.140.186	A+PTR	71-15-140-186.dhcp.stls.mo.charter.com
71.15.140.192	A+PTR	71-15-140-192.dhcp.stls.mo.charter.com
71.15.140.202	A+PTR	71-15-140-202.dhcp.stls.mo.charter.com
71.15.140.206	A	71-15-140-206.dhcp.stls.mo.charter.com
71.15.140.211	A+PTR	71-15-140-211.dhcp.stls.mo.charter.com
71.15.140.212	A	71-15-140-212.dhcp.stls.mo.charter.com
71.15.140.213	A	71-15-140-213.dhcp.stls.mo.charter.com
71.15.140.215	A	71-15-140-215.dhcp.stls.mo.charter.com
71.15.140.217	A+PTR	71-15-140-217.dhcp.stls.mo.charter.com
71.15.140.220	A	71-15-140-220.dhcp.stls.mo.charter.com
71.15.140.221	A	71-15-140-221.dhcp.stls.mo.charter.com
71.15.140.223	A	71-15-140-223.dhcp.stls.mo.charter.com
71.15.140.239	A	71-15-140-239.dhcp.stls.mo.charter.com
71.15.140.241	A+PTR	71-15-140-241.dhcp.stls.mo.charter.com
71.15.140.252	A	71-15-140-252.dhcp.stls.mo.charter.com
71.15.142.74	A+PTR	71-15-142-74.dhcp.stls.mo.charter.com
71.15.143.137	A	mail.malfunctio.com
71.15.143.137	A	malfunctio.com