Robtex

Up: 61.238.170.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 61.238.171.0/25
Down right: 61.238.171.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
61.238.171.2	PTR	storage.hkbn.net
61.238.171.21	A+PTR	comx1.bbmail.com.hk
61.238.171.22	A+PTR	comx2.bbmail.com.hk
61.238.171.23	A+PTR	comx3.bbmail.com.hk
61.238.171.23	A	smtp.chinaunionintl.com
61.238.171.23	A	comx.bbmail.com.hk
61.238.171.24	A+PTR	comx4.bbmail.com.hk
61.238.171.24	A	smtp.chinaunionintl.com
61.238.171.24	A	comx.bbmail.com.hk
61.238.171.30	A+PTR	hkbnwww2.hkbn.net
61.238.171.30	A	bbtv.com.hk
61.238.171.30	A	game.hkbn.net
61.238.171.31	A+PTR	haproxy4.hkbn.net
61.238.171.31	A	cofe.bbmail.com.hk
61.238.171.31	A	hkbn.net
61.238.171.32	A+PTR	cofe2.bbmail.com.hk
61.238.171.32	A	cofe.bbmail.com.hk
61.238.171.130	A	comicparty.com
61.238.171.136	A	061238171136.ctinets.com
61.238.171.169	A	061238171169.ctinets.com
61.238.171.171	A	061238171171.ctinets.com
61.238.171.180	A	061238171180.ctinets.com
61.238.171.217	A	mctovis.com