Robtex

Up: 202.55.20.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 202.55.21.0/25
Down right: 202.55.21.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
202.55.21.47	PTR	conference.chinatelecomglobal.com
202.55.21.47	A	conference.wip.chinatelecomglobal.com
202.55.21.83	PTR	ctamail.chinatelecomglobal.com
202.55.21.83	A+PTR	exch.chinatelecomglobal.com
202.55.21.83	PTR	mail.chinatelecomglobal.com
202.55.21.84	A	autodiscover.chinatelecom.com.hk
202.55.21.85	PTR	name2.our114.net
202.55.21.85	PTR	name2.hk118114.com.hk
202.55.21.85	PTR	mail.chinatelecom.com.vn
202.55.21.86	A	name2.our114.net
202.55.21.108	A	mailbackup.chinatelecom-h.com
202.55.21.108	A	m.chinatelecom-h.com
202.55.21.108	A	*.chinatelecom-h.com
202.55.21.110	A	ns1.ir.cthki.com