Robtex

Up: 103.65.40.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 103.65.40.0/23
Down right: 103.65.42.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
103.65.40.13	A	openapi.ntes53.netease.com
103.65.40.13	A	fanyi.ntes53.netease.com
103.65.40.21	A	openapi.ntes53.netease.com
103.65.40.21	A	fanyi.ntes53.netease.com
103.65.40.29	A	gorgon-in.youdao.com
103.65.40.36	A	gorgon-in.youdao.com
103.65.40.75	A	wanproxy-oversea.127.net
103.65.40.85	A	hkpxy0.netease.im
103.65.40.87	A	hkpxy0.netease.im
103.65.41.125	A	interface.music.163.com
103.65.41.125	A	music.163.com
103.65.41.125	A	api.vop.netease.com
103.65.41.126	A	interface.music.163.com
103.65.41.126	A	music.163.com
103.65.41.126	A	api.vop.netease.com
103.65.41.134	A+PTR	proxy41134.mail.163.com
103.65.41.135	A	vip163mx00.mxmail.netease.com
103.65.41.137	A+PTR	proxy41137.mail.163.com
103.65.41.137	A	188mx01.mxmail.netease.com
103.65.41.140	A+PTR	proxy41140.mail.163.com
103.65.41.141	A+PTR	mail-proxy41141.qiye.163.com
103.65.41.141	A	mx.qiye.163.com
103.65.41.142	A+PTR	mail-proxy41142.qiye.163.com
103.65.41.142	A	mx.qiye.163.com
103.65.41.143	PTR	mail-proxy41143.qiye.163.com
103.65.41.144	PTR	mail-proxy41144.qiye.163.com
103.65.41.144	A	hwpop.qiye.163.com
103.65.41.144	A	hwsmtp.qiye.163.com
103.65.41.145	A	hwhzsmtp.qiye.163.com
103.65.41.153	A+PTR	mail-proxy41153.qiye.163.com
103.65.42.135	PTR	mail.taiping-cn.com
103.65.42.135	A	insure-center.com
103.65.42.135	A	mail.bankedm.com
103.65.43.145	A	giftesx.as.bigo.sg
103.65.43.145	A	hk-static-imo.sdonlyn.net
103.65.43.145	A	hk-gdl.bigolive.tv
103.65.43.150	A	https-api-hk.bigolive.tv