Robtex

Up: 49.106.232.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 49.106.236.0/23
Down right: 49.106.238.0/23

IP	Type	Hostname
49.106.238.5	A+PTR	dw49-106-238-5.m-zone.jp
49.106.238.10	A+PTR	dw49-106-238-10.m-zone.jp
49.106.238.14	A+PTR	dw49-106-238-14.m-zone.jp
49.106.238.22	A+PTR	dw49-106-238-22.m-zone.jp
49.106.238.49	A+PTR	dw49-106-238-49.m-zone.jp
49.106.238.53	A+PTR	dw49-106-238-53.m-zone.jp
49.106.238.58	A+PTR	dw49-106-238-58.m-zone.jp
49.106.238.64	A+PTR	dw49-106-238-64.m-zone.jp
49.106.238.66	A+PTR	dw49-106-238-66.m-zone.jp
49.106.238.73	A+PTR	dw49-106-238-73.m-zone.jp
49.106.238.79	A+PTR	dw49-106-238-79.m-zone.jp
49.106.238.85	A+PTR	dw49-106-238-85.m-zone.jp
49.106.238.88	A+PTR	dw49-106-238-88.m-zone.jp
49.106.238.93	A+PTR	dw49-106-238-93.m-zone.jp
49.106.238.100	A+PTR	dw49-106-238-100.m-zone.jp
49.106.238.106	A+PTR	dw49-106-238-106.m-zone.jp
49.106.238.123	A+PTR	dw49-106-238-123.m-zone.jp
49.106.238.134	A+PTR	dw49-106-238-134.m-zone.jp
49.106.238.136	A+PTR	dw49-106-238-136.m-zone.jp
49.106.238.143	A+PTR	dw49-106-238-143.m-zone.jp
49.106.238.164	A+PTR	dw49-106-238-164.m-zone.jp
49.106.238.166	PTR	n166.s866.m-zone.jp
49.106.238.186	A+PTR	dw49-106-238-186.m-zone.jp
49.106.238.189	A+PTR	dw49-106-238-189.m-zone.jp
49.106.238.203	A+PTR	dw49-106-238-203.m-zone.jp
49.106.238.218	A+PTR	dw49-106-238-218.m-zone.jp
49.106.238.233	A+PTR	dw49-106-238-233.m-zone.jp
49.106.238.235	A+PTR	dw49-106-238-235.m-zone.jp