Robtex

Up: 17.253.12.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 17.253.14.0/24
Down right: 17.253.15.0/24

IP	Type	Hostname
17.253.14.103	A+PTR	map-usnyc3.apple-dns.net
17.253.14.103	A+PTR	usnyc3-edge-tx-003.aaplimg.com
17.253.14.117	A	usnyc3.gslb.aaplimg.com
17.253.14.123	A+PTR	usnyc3-ntp-003.aaplimg.com
17.253.14.125	A+PTR	usnyc3-ntp-001.aaplimg.com
17.253.14.125	A	time-ios.g.aaplimg.com
17.253.14.125	A	time-osx.g.aaplimg.com
17.253.14.251	A+PTR	usnyc3-ntp-004.aaplimg.com
17.253.14.253	A+PTR	usnyc3-ntp-002.aaplimg.com
17.253.14.253	A	time-osx.g.aaplimg.com
17.253.15.155	A+PTR	cdn-xp-ingest-a.edge.apple
17.253.15.156	A+PTR	cdn-xp-ingest-a.edge.apple
17.253.15.193	A+PTR	usnyc3-vip-lx-001.aaplimg.com
17.253.15.194	A+PTR	usnyc3-vip-lx-002.aaplimg.com
17.253.15.201	A+PTR	usnyc3-vip-bx-001.aaplimg.com
17.253.15.201	A	usnyc3-gw1-h.g.aaplimg.com
17.253.15.202	A+PTR	usnyc3-vip-bx-002.aaplimg.com
17.253.15.202	A	usnyc3-gw2-h.g.aaplimg.com
17.253.15.203	A+PTR	usnyc3-vip-bx-003.aaplimg.com
17.253.15.203	A	usnyc3-gw1-h.g.aaplimg.com
17.253.15.204	A+PTR	usnyc3-vip-bx-004.aaplimg.com
17.253.15.204	A	usnyc3-gw2-h.g.aaplimg.com
17.253.15.205	A+PTR	usnyc3-vip-bx-005.aaplimg.com
17.253.15.205	A	usnyc3-gw1-h.g.aaplimg.com
17.253.15.206	A+PTR	usnyc3-vip-bx-006.aaplimg.com
17.253.15.206	A	usnyc3-gw2-h.g.aaplimg.com
17.253.15.207	A+PTR	usnyc3-vip-bx-007.aaplimg.com
17.253.15.207	A	usnyc3-gw1-h.g.aaplimg.com
17.253.15.207	A	safebrowsing-proxy.g.aaplimg.com
17.253.15.208	A+PTR	usnyc3-vip-bx-008.aaplimg.com
17.253.15.208	A	usnyc3-gw2-h.g.aaplimg.com
17.253.15.208	A	safebrowsing-proxy.g.aaplimg.com
17.253.15.220	A	api-glb-nyccdn.smoot.apple.com