Robtex

Up: 173.28.192.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 173.28.192.0/20
Down right: 173.28.208.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
173.28.192.0	A+PTR	173-28-192-0.client.mchsi.com
173.28.192.103	A+PTR	173-28-192-103.client.mchsi.com
173.28.192.103	A	redariagames.com
173.28.192.186	PTR	173-28-192-186.client.mchsi.com
173.28.193.189	PTR	173-28-193-189.client.mchsi.com
173.28.194.40	A	173-28-194-40.client.mchsi.com
173.28.194.95	A	173-28-194-95.client.mchsi.com
173.28.194.97	PTR	173-28-194-97.client.mchsi.com
173.28.194.101	A+PTR	173-28-194-101.client.mchsi.com
173.28.194.123	A+PTR	173-28-194-123.client.mchsi.com
173.28.194.136	A	*.stucknet.com
173.28.195.10	A+PTR	173-28-195-10.client.mchsi.com
173.28.195.10	A	bigbluezoo.com
173.28.195.33	A+PTR	173-28-195-33.client.mchsi.com
173.28.195.149	A+PTR	173-28-195-149.client.mchsi.com
173.28.195.157	A+PTR	173-28-195-157.client.mchsi.com
173.28.195.237	A+PTR	173-28-195-237.client.mchsi.com
173.28.196.59	A	173-28-196-59.client.mchsi.com
173.28.196.75	A	modnarenterprises.com
173.28.196.110	A	173-28-196-110.client.mchsi.com
173.28.198.28	A+PTR	173-28-198-28.client.mchsi.com
173.28.198.200	A+PTR	173-28-198-200.client.mchsi.com
173.28.199.30	A+PTR	173-28-199-30.client.mchsi.com
173.28.199.30	A	eyediagnosis.biz
173.28.199.107	A+PTR	173-28-199-107.client.mchsi.com
173.28.200.17	A+PTR	173-28-200-17.client.mchsi.com
173.28.200.190	A+PTR	173-28-200-190.client.mchsi.com
173.28.200.223	A+PTR	173-28-200-223.client.mchsi.com
173.28.201.11	A+PTR	173-28-201-11.client.mchsi.com
173.28.201.11	A	techboredom.com
173.28.201.212	A+PTR	173-28-201-212.client.mchsi.com
173.28.202.61	A+PTR	173-28-202-61.client.mchsi.com
173.28.202.246	A+PTR	173-28-202-246.client.mchsi.com
173.28.203.26	A+PTR	173-28-203-26.client.mchsi.com
173.28.204.104	PTR	173-28-204-104.client.mchsi.com
173.28.204.158	PTR	173-28-204-158.client.mchsi.com
173.28.205.0	PTR	173-28-205-0.client.mchsi.com
173.28.205.49	A+PTR	173-28-205-49.client.mchsi.com
173.28.205.135	PTR	173-28-205-135.client.mchsi.com
173.28.205.163	A+PTR	173-28-205-163.client.mchsi.com
173.28.205.207	A+PTR	173-28-205-207.client.mchsi.com
173.28.206.20	A+PTR	173-28-206-20.client.mchsi.com
173.28.206.123	A+PTR	173-28-206-123.client.mchsi.com
173.28.207.29	A	173-28-207-29.client.mchsi.com
173.28.207.103	A+PTR	173-28-207-103.client.mchsi.com
173.28.208.10	A+PTR	173-28-208-10.client.mchsi.com
173.28.209.119	PTR	173-28-209-119.client.mchsi.com
173.28.209.200	A+PTR	173-28-209-200.client.mchsi.com
173.28.209.214	PTR	173-28-209-214.client.mchsi.com
173.28.210.13	A	173-28-210-13.client.mchsi.com
173.28.210.51	A	173-28-210-51.client.mchsi.com
173.28.210.97	A	173-28-210-97.client.mchsi.com
173.28.210.196	A	173-28-210-196.client.mchsi.com
173.28.211.71	A	sdburger.org
173.28.211.236	A+PTR	173-28-211-236.client.mchsi.com
173.28.212.254	PTR	173-28-212-254.client.mchsi.com
173.28.213.45	A+PTR	173-28-213-45.client.mchsi.com
173.28.213.175	A+PTR	173-28-213-175.client.mchsi.com
173.28.213.248	A+PTR	173-28-213-248.client.mchsi.com
173.28.214.96	A+PTR	173-28-214-96.client.mchsi.com
173.28.214.124	A	173-28-214-124.client.mchsi.com
173.28.215.18	A+PTR	173-28-215-18.client.mchsi.com
173.28.215.127	A+PTR	173-28-215-127.client.mchsi.com
173.28.215.127	A	johnsonwebdev.com
173.28.215.127	A	genandco.com
173.28.215.219	A	173-28-215-219.client.mchsi.com
173.28.216.126	A+PTR	173-28-216-126.client.mchsi.com
173.28.216.186	A+PTR	173-28-216-186.client.mchsi.com
173.28.216.197	A	mail.mediatechone.com
173.28.216.197	A	*.mediatechone.com
173.28.216.197	A	mazmix.com
173.28.217.42	A+PTR	173-28-217-42.client.mchsi.com
173.28.217.151	A	bryanoswald.com
173.28.217.170	A+PTR	173-28-217-170.client.mchsi.com
173.28.218.45	A+PTR	173-28-218-45.client.mchsi.com
173.28.218.45	A	rabid-panda.net
173.28.218.127	A+PTR	173-28-218-127.client.mchsi.com
173.28.218.164	PTR	173-28-218-164.client.mchsi.com
173.28.219.33	PTR	173-28-219-33.client.mchsi.com
173.28.219.36	A+PTR	173-28-219-36.client.mchsi.com
173.28.219.111	A+PTR	173-28-219-111.client.mchsi.com
173.28.219.111	A	dbnetconsultng.com
173.28.220.145	A+PTR	173-28-220-145.client.mchsi.com
173.28.222.171	A+PTR	173-28-222-171.client.mchsi.com
173.28.223.37	A+PTR	173-28-223-37.client.mchsi.com
173.28.223.74	A	173-28-223-74.client.mchsi.com