Robtex

Up: 203.104.164.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 203.104.164.0/25
Down right: 203.104.164.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.104.164.5	A	api-us.band.us
203.104.164.5	A	bapi-us.band.us
203.104.164.6	A	us-nvapis.line.me
203.104.164.6	A	us-nvapis.line-apps.com.akadns.net
203.104.164.7	A	use.global.apis.naver.com.akadns.net
203.104.164.7	A	global.apis.naver.com.akadns.net
203.104.164.7	A	use.apis.naver.com.akadns.net
203.104.164.9	A	us.upload.webtoons.com
203.104.164.10	A	us-ssproxy1.campmobile.com
203.104.164.10	A	us.ss1.campmobile.com
203.104.164.11	A	www.webtoons.com.nheos.com
203.104.164.11	A	use1-www.webtoons.com.akadns.net
203.104.164.11	A	us.webtoons.com
203.104.164.12	A	us.translate.webtoons.com
203.104.164.12	A	subtitle.vlive.tv
203.104.164.12	A	translate.webtoons.com
203.104.164.14	A	use1-m.vlive.tv.akadns.net
203.104.164.14	A	use.vtoday.vlive.tv
203.104.164.14	A	use1-www.vlive.tv.akadns.net
203.104.164.15	A	use.works.navercorp.com.akadns.net
203.104.164.15	A	mail.webright.co.kr
203.104.164.15	A	mail.worksmobile.com.nheos.com
203.104.164.16	A	use-ace.naver.com.akadns.net
203.104.164.16	A	use.ace.loginfra.com
203.104.164.16	A	ace-use.line.me.akadns.net
203.104.164.17	A	use-cc.naver.com.akadns.net
203.104.164.17	A	use.cc.loginfra.com
203.104.164.17	A	use1-cc.loginfra.com.akadns.net
203.104.164.18	A	use1-lcs.loginfra.com.akadns.net
203.104.164.18	A	lcs-use.line.me.akadns.net
203.104.164.18	A	use.lcs.loginfra.com
203.104.164.19	A	use.gfp.veta.naver.com.akadns.net
203.104.164.20	A	us1-api.sticker.ly
203.104.164.21	A	use1-app.m.vlive.tv.akadns.net
203.104.164.27	A	eus-tivan.naver.com.akadns.net
203.104.164.31	A	use-api.moot.us
203.104.164.31	A	use-lcs.naver.com.akadns.net
203.104.164.33	A	use.web.wav.media
203.104.164.33	A	wav.media
203.104.164.108	A	bandvideo.ue.navercdn.com
203.104.164.109	A	bandvideo.ue.navercdn.com