Robtex

Up: 58.49.232.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 58.49.236.0/23
Down right: 58.49.238.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
58.49.236.86	PTR	86.236.49.58.broad.wh.hb.dynamic.163data.com.cn
58.49.236.126	PTR	126.236.49.58.broad.wh.hb.dynamic.163data.com.cn
58.49.236.206	PTR	206.236.49.58.broad.wh.hb.dynamic.163data.com.cn
58.49.237.133	PTR	133.237.49.58.broad.wh.hb.dynamic.163data.com.cn
58.49.237.171	PTR	171.237.49.58.broad.wh.hb.dynamic.163data.com.cn
58.49.237.176	PTR	176.237.49.58.broad.wh.hb.dynamic.163data.com.cn
58.49.237.193	PTR	193.237.49.58.broad.wh.hb.dynamic.163data.com.cn
58.49.237.232	PTR	232.237.49.58.broad.wh.hb.dynamic.163data.com.cn
58.49.237.244	PTR	244.237.49.58.broad.wh.hb.dynamic.163data.com.cn
58.49.238.145	PTR	145.238.49.58.broad.wh.hb.dynamic.163data.com.cn
58.49.238.155	PTR	155.238.49.58.broad.wh.hb.dynamic.163data.com.cn
58.49.238.217	A	owl.snssdk.com.w.kunluncan.com
58.49.238.217	A	rtbapi.douyucdn.cn.w.kunluncan.com
58.49.238.217	A	all.dymusictape.com.w.kunluncan.com
58.49.238.218	PTR	218.238.49.58.broad.wh.hb.dynamic.163data.com.cn
58.49.238.218	A	owl.snssdk.com.w.kunluncan.com
58.49.238.218	A	rtbapi.douyucdn.cn.w.kunluncan.com
58.49.238.219	PTR	219.238.49.58.broad.wh.hb.dynamic.163data.com.cn
58.49.238.219	A	owl.snssdk.com.w.kunluncan.com
58.49.238.219	A	rtbapi.douyucdn.cn.w.kunluncan.com
58.49.238.220	PTR	220.238.49.58.broad.wh.hb.dynamic.163data.com.cn
58.49.238.220	A	owl.snssdk.com.w.kunluncan.com
58.49.238.220	A	rtbapi.douyucdn.cn.w.kunluncan.com
58.49.238.221	A	owl.snssdk.com.w.kunluncan.com
58.49.238.221	A	rtbapi.douyucdn.cn.w.kunluncan.com
58.49.238.221	A	all.dymusictape.com.w.kunluncan.com
58.49.238.222	PTR	222.238.49.58.broad.wh.hb.dynamic.163data.com.cn
58.49.238.222	A	owl.snssdk.com.w.kunluncan.com
58.49.238.222	A	rtbapi.douyucdn.cn.w.kunluncan.com
58.49.238.223	PTR	223.238.49.58.broad.wh.hb.dynamic.163data.com.cn
58.49.238.223	A	owl.snssdk.com.w.kunluncan.com
58.49.238.223	A	rtbapi.douyucdn.cn.w.kunluncan.com
58.49.238.224	PTR	224.238.49.58.broad.wh.hb.dynamic.163data.com.cn
58.49.238.224	A	owl.snssdk.com.w.kunluncan.com
58.49.238.224	A	rtbapi.douyucdn.cn.w.kunluncan.com
58.49.239.54	PTR	54.239.49.58.broad.wh.hb.dynamic.163data.com.cn
58.49.239.110	PTR	110.239.49.58.broad.wh.hb.dynamic.163data.com.cn
58.49.239.141	PTR	141.239.49.58.broad.wh.hb.dynamic.163data.com.cn
58.49.239.216	PTR	216.239.49.58.broad.wh.hb.dynamic.163data.com.cn
58.49.239.217	PTR	217.239.49.58.broad.wh.hb.dynamic.163data.com.cn