Robtex

Up: 183.90.160.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 183.90.160.0/25
Down right: 183.90.160.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
183.90.160.14	A	vpn.vietnamair.com.vn
183.90.160.17	A+PTR	mail.vietnamair.com.vn
183.90.160.18	A	vai.org.vn
183.90.160.24	A	et.vietnamair.com.vn
183.90.160.28	A	tech.vietnamairlines.com
183.90.160.30	A	ffpprodws.vietnamairlines.com
183.90.160.35	A	ffp.vietnamairlines.com.vn
183.90.160.36	A	fares.vietnamair.com.vn
183.90.160.38	A	enrolllotusmiles.vietnamairlines.com
183.90.160.38	A	www.aits.vn
183.90.160.46	A	agent.vietnamair.com.vn
183.90.160.61	A	vpn.vietnamair.com.vn
183.90.160.64	A	ibev2.vietnamairlines.com
183.90.160.65	A	rt.vietnamairlines.com
183.90.160.67	A	helpdeskpmd.vietnamairlines.com
183.90.160.73	A	heritage.vietnamairlines.com
183.90.160.81	A	mail01.vietnamairlines.com.vn
183.90.160.82	PTR	mail02.vietnamairlines.com.vn
183.90.160.82	A	nangtamsao.vietnamairlines.com
183.90.160.83	A+PTR	mail03.vietnamairlines.com.vn
183.90.160.84	PTR	mail02.vietnamair.com.vn
183.90.160.84	PTR	mail02.vietnamairlines.com.vn
183.90.160.84	A	crew.vietnamairlines.com
183.90.160.85	PTR	mail02.vietnamair.com.vn
183.90.160.85	PTR	mail02.vietnamairlines.com.vn
183.90.160.85	A	mail05.vietnamairlines.com.vn
183.90.160.116	A	www.nrovietnamair.vn
183.90.160.116	A	nrovietnamair.vn
183.90.160.123	A	www.viags.vn
183.90.160.123	A	viags.vn
183.90.160.129	A	vpn.vietnamairlines.com
183.90.160.134	A	ipvpn.vietnamair.com.vn
183.90.160.200	A	imap.vietnamairlines.com
183.90.160.200	A	pop.vietnamairlines.com
183.90.160.206	A+PTR	editemail.vietnamairlines.com
183.90.160.206	A	news.vietnamairlines.com
183.90.160.206	A	my.vietnamairlines.com
183.90.160.207	A	logon.vietnamairlines.com
183.90.160.210	A	mail.vietnamairlines.com
183.90.160.210	A	mail.vasco.com.vn
183.90.160.210	A	autodiscover.vietnamairlines.com
183.90.160.211	A+PTR	mail01.vietnamairlines.com
183.90.160.212	A+PTR	mail02.vietnamairlines.com
183.90.160.213	A+PTR	mail03.vietnamairlines.com
183.90.160.214	A+PTR	mail04.vietnamairlines.com
183.90.160.223	A	access.vietnamairlines.com