Robtex

Up: 123.31.44.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 123.31.46.0/24
Down right: 123.31.47.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
123.31.46.57	PTR	localhost
123.31.47.5	A	hotelbizmag.com
123.31.47.6	A	chat-js.com
123.31.47.6	A	vietnamwheretogo.com
123.31.47.7	PTR	localhost
123.31.47.11	A	hanoicdc.gov.vn
123.31.47.11	A	www.hanoicdc.gov.vn
123.31.47.12	PTR	localhost
123.31.47.12	A	www.bantinbatdongsan.vn
123.31.47.12	A	nhadathanoi.com.vn
123.31.47.19	PTR	localhost
123.31.47.19	A	gdkids.vn
123.31.47.19	A	glenndomanvietnam.com
123.31.47.23	A	www.hoccungthukhoa.vn
123.31.47.23	A	hoccungthukhoa.vn
123.31.47.25	PTR	localhost
123.31.47.25	A	www.friv4school2017.net
123.31.47.25	A	y10games.net
123.31.47.27	A	choviec.vn
123.31.47.28	PTR	localhost
123.31.47.28	A	mail.giaodichxehoi.com
123.31.47.32	PTR	localhost
123.31.47.32	A	dongdotp.com
123.31.47.32	A	tongdai-xegrab.com
123.31.47.33	PTR	localhost
123.31.47.35	PTR	localhost
123.31.47.35	A	mail.dancotravel.net
123.31.47.35	A	vietbiztravel.com
123.31.47.36	A	sapatraveltrip.com
123.31.47.37	PTR	localhost
123.31.47.37	A	dulichhongkongvn.com
123.31.47.37	A	dulichsingaporevn.com
123.31.47.38	PTR	localhost
123.31.47.38	A	mail.sewhavina.com
123.31.47.38	A	mail.gamevui888.com
123.31.47.39	PTR	localhost
123.31.47.39	A	www.gamevui888.com
123.31.47.40	PTR	localhost
123.31.47.40	A	www.vimotech.vn
123.31.47.40	A	banxevn.com
123.31.47.41	PTR	localhost
123.31.47.42	PTR	localhost
123.31.47.42	A	chungcuanland2.com
123.31.47.42	A	think24h.com
123.31.47.43	A	apppro.top
123.31.47.46	PTR	localhost
123.31.47.46	A	smsbrand247.com
123.31.47.46	A	mail.hoc24h.vn
123.31.47.47	PTR	localhost
123.31.47.52	PTR	localhost
123.31.47.52	A	mail.datviettv.vn
123.31.47.52	A	mine224.com
123.31.47.53	PTR	localhost
123.31.47.53	A	mail.focushalong.com
123.31.47.53	A	dailyvetau.com.vn
123.31.47.55	A	dulichhalong.pro
123.31.47.56	A	dulichsapavn.com
123.31.47.56	A	dulichdanangvn.com
123.31.47.57	PTR	localhost
123.31.47.57	A	dulich-danang.com
123.31.47.57	A	capdoibangquocte.com
123.31.47.58	PTR	localhost
123.31.47.58	A	dulichhalong.com.vn
123.31.47.59	A	mail.hungtuy.net
123.31.47.60	A	dulichhalongtuanchau.com
123.31.47.60	A	dreamtravel.com.vn
123.31.47.69	PTR	localhost
123.31.47.69	A	*.97.html.thegioidinhduong.vn
123.31.47.69	A	bos-mail6.thegioidinhduong.vns.thegioidinhduong.vn
123.31.47.99	A	biengioilanhtho.gov.vn
123.31.47.104	PTR	localhost
123.31.47.104	A	bds-thuanviet.com
123.31.47.104	A	thegioinhot.vn
123.31.47.114	A	www.myphamkoala.vn
123.31.47.118	A	boschthm.com
123.31.47.118	A	tructiepsukien.com
123.31.47.118	A	mail.boschthm.com
123.31.47.123	A	mebe24h.vn
123.31.47.123	A	banggothuonghieu.com