Robtex

Up: 17.253.80.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 17.253.84.0/23
Down right: 17.253.86.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
17.253.84.117	A+PTR	hkhkg1-gslb-001.aaplimg.com
17.253.84.117	A+PTR	hkhkg1.gslb.aaplimg.com
17.253.84.123	A+PTR	hkhkg1-ntp-003.aaplimg.com
17.253.84.123	A	time-ios.g.aaplimg.com
17.253.84.123	A	time-osx.g.aaplimg.com
17.253.84.125	A+PTR	hkhkg1-ntp-001.aaplimg.com
17.253.84.125	A	time-osx.g.aaplimg.com
17.253.84.251	A+PTR	hkhkg1-ntp-004.aaplimg.com
17.253.84.251	A	time-osx.g.aaplimg.com
17.253.84.253	A+PTR	hkhkg1-ntp-002.aaplimg.com
17.253.84.253	A	hk.pool.ntp.org
17.253.85.201	PTR	hkhkg1-vip-bx-001.aaplimg.com
17.253.85.201	A	a1950.phobos.g.aaplimg.com
17.253.85.201	A	a1994.phobos.g.aaplimg.com
17.253.85.202	PTR	hkhkg1-vip-bx-002.aaplimg.com
17.253.85.202	A	a290.phobos.apple.com
17.253.85.202	A	a1848.phobos-apple.com.akadns.net
17.253.85.203	PTR	hkhkg1-vip-bx-003.aaplimg.com
17.253.85.203	A	a1950.phobos.g.aaplimg.com
17.253.85.203	A	a735.phobos.g.aaplimg.com
17.253.85.204	PTR	hkhkg1-vip-bx-004.aaplimg.com
17.253.85.204	A	a290.phobos.apple.com
17.253.85.204	A	a1848.phobos-apple.com.akadns.net
17.253.85.205	PTR	hkhkg1-vip-bx-005.aaplimg.com
17.253.85.205	A	a1994.phobos.g.aaplimg.com
17.253.85.206	PTR	hkhkg1-vip-bx-006.aaplimg.com
17.253.85.206	A	a1282.phobos.apple.com
17.253.85.206	A	a340.phobos.apple.com
17.253.85.207	PTR	hkhkg1-vip-bx-007.aaplimg.com
17.253.85.208	PTR	hkhkg1-vip-bx-008.aaplimg.com
17.253.85.208	A	a1282.phobos.apple.com
17.253.85.208	A	a891.phobos.g.aaplimg.com
17.253.87.201	PTR	hkhkg3-vip-bx-001.aaplimg.com
17.253.87.201	A	a1447.phobos.g.aaplimg.com
17.253.87.201	A	a980.phobos.g.aaplimg.com
17.253.87.202	PTR	hkhkg3-vip-bx-002.aaplimg.com
17.253.87.202	A	a922.phobos.g.aaplimg.com
17.253.87.202	A	a1022.phobos.g.aaplimg.com
17.253.87.203	PTR	hkhkg3-vip-bx-003.aaplimg.com
17.253.87.203	A	a980.phobos.g.aaplimg.com
17.253.87.203	A	a692.phobos.g.aaplimg.com
17.253.87.204	PTR	hkhkg3-vip-bx-004.aaplimg.com
17.253.87.204	A	a922.phobos.g.aaplimg.com
17.253.87.204	A	a1022.phobos.g.aaplimg.com
17.253.87.205	PTR	hkhkg3-vip-bx-005.aaplimg.com
17.253.87.206	PTR	hkhkg3-vip-bx-006.aaplimg.com
17.253.87.206	A	a1428.phobos.g.aaplimg.com
17.253.87.206	A	a637.phobos.g.aaplimg.com
17.253.87.207	PTR	hkhkg3-vip-bx-007.aaplimg.com
17.253.87.207	A	a1447.phobos.g.aaplimg.com
17.253.87.208	PTR	hkhkg3-vip-bx-008.aaplimg.com
17.253.87.208	A	a1428.phobos.g.aaplimg.com
17.253.87.208	A	a637.phobos.g.aaplimg.com