Robtex

Up: 203.198.220.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 203.198.222.0/24
Down right: 203.198.223.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.198.222.2	A+PTR	ipvpn111002.netvigator.com
203.198.222.81	A+PTR	ipvpn111081.netvigator.com
203.198.222.92	A+PTR	es200.woih.com.hk
203.198.222.92	A	mail.woih.com.hk
203.198.222.106	A+PTR	ipvpn111106.netvigator.com
203.198.222.106	A	email.gaoperations.hk
203.198.222.107	PTR	ipvpn111107.netvigator.com
203.198.222.107	A	mx1.gaoperations.hk
203.198.222.108	PTR	ipvpn111108.netvigator.com
203.198.222.108	A	mx2.gaoperations.hk
203.198.222.131	A	ipvpn111131.netvigator.com
203.198.222.180	A	mail5.mis.hipfung.com.hk
203.198.222.181	PTR	mail7.mis.hipfung.com.hk
203.198.222.189	A	ipvpn111189.netvigator.com
203.198.222.214	A+PTR	apcnhkmail01.labeltex.com.hk
203.198.222.237	PTR	mail.active.com.hk
203.198.222.237	PTR	mail.ultimus.com.hk
203.198.223.1	A+PTR	001.223.198.203.static.netvigator.com
203.198.223.2	A+PTR	002.223.198.203.static.netvigator.com
203.198.223.3	A+PTR	003.223.198.203.static.netvigator.com
203.198.223.4	A+PTR	004.223.198.203.static.netvigator.com
203.198.223.5	A+PTR	005.223.198.203.static.netvigator.com
203.198.223.10	A+PTR	010.223.198.203.static.netvigator.com
203.198.223.11	A+PTR	011.223.198.203.static.netvigator.com
203.198.223.12	A+PTR	012.223.198.203.static.netvigator.com
203.198.223.13	A+PTR	013.223.198.203.static.netvigator.com
203.198.223.14	A+PTR	014.223.198.203.static.netvigator.com
203.198.223.41	PTR	041.223.198.203.static.netvigator.com
203.198.223.41	A	ns3.methodist.org.hk
203.198.223.41	A	ns3.emmauschinese.com
203.198.223.42	A+PTR	042.223.198.203.static.netvigator.com
203.198.223.42	A	ns.emmauschinese.com
203.198.223.42	A	ns.gra.methodist.org.hk
203.198.223.43	PTR	043.223.198.203.static.netvigator.com
203.198.223.82	A+PTR	082.223.198.203.static.netvigator.com
203.198.223.82	A	fortuneventure.com
203.198.223.82	A	mail.fortuneventure.com
203.198.223.91	PTR	091.223.198.203.static.netvigator.com
203.198.223.91	A	mail.go-to-asia.info
203.198.223.91	A	go-to-asia.info
203.198.223.147	A	ipvpn112147.netvigator.com
203.198.223.149	A	ipvpn112149.netvigator.com
203.198.223.155	A+PTR	155.223.198.203.static.netvigator.com
203.198.223.173	A	stonefashion.com.hk
203.198.223.178	PTR	178.223.198.203.static.netvigator.com
203.198.223.178	A	mail.adi-group.com.hk