Robtex

Up: 102.132.96.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 102.132.96.0/23
Down right: 102.132.98.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
102.132.96.27	A	scontent-mba1-1.xx.fbcdn.net
102.132.96.33	PTR	edge-sonar-mini-shv-01-mba1.fbcdn.net
102.132.96.33	A	f65373a3080-oyxrjbqm1544777119-sonar.xz.fbcdn.net
102.132.96.33	A	fc5564bcf80kxf4h4ei-vwkycmip1525967762-sonar.xx.fbcdn.net
102.132.96.36	A+PTR	edge-fblite-tcp-mini-shv-01-mba1.facebook.com
102.132.96.37	A+PTR	edge-z-m-mini-shv-01-mba1.facebook.com
102.132.96.39	A+PTR	iorg-fba-edge-shv-01-mba1.facebook.com
102.132.96.54	PTR	whatsapp-cdn-shv-01-mba1.fbcdn.net
102.132.96.54	A	webb7bc6c1k2bldamd-ge4dcmrtgyytcmjs.snr.whatsapp.net
102.132.96.63	A	scontent-mba1-1.cdninstagram.com
102.132.97.21	PTR	edge-video-shv-01-hbe1.fbcdn.net
102.132.97.21	A	video-hbe.xx.fbcdn.net
102.132.97.21	A	video-hbe1-1.xx.fbcdn.net
102.132.97.27	A	scontent-hbe.xx.fbcdn.net
102.132.97.33	A	fa89a3d9680-hgyauecn1550816634-sonar.xx.fbcdn.net
102.132.97.33	A	fc9b7f31c80-stlpcksc1545124509-sonar.xx.fbcdn.net
102.132.97.33	A	f3b5b7e2680-ojhzcnzl1549486894-sonar.xx.fbcdn.net
102.132.97.51	A	z-p3-scontent-hbe1-1.xx.fbcdn.net
102.132.97.54	A	sonar-hbe.cdn.whatsapp.net
102.132.97.54	A	w5602d01b1kk67toja-gi2dsmjugi3dkmbx.snr.whatsapp.net
102.132.97.63	A	scontent-hbe1-1.cdninstagram.com
102.132.97.174	PTR	instagram-p42-shv-01-hbe1.fbcdn.net
102.132.98.2	A	edgetee-upload-bos3-1.xx.fbcdn.net
102.132.98.14	A	scontent-bos3-1.xx.fbcdn.net
102.132.98.38	A	sonar-bos.xx.fbcdn.net
102.132.98.38	A	f410e927280-qtecgdlg1559754842-sonar.xz.fbcdn.net
102.132.98.38	A	f8243c75a80-pprxwwdz1557166497-sonar.xx.fbcdn.net
102.132.98.54	A	z-p3-scontent-bos3-1.xx.fbcdn.net
102.132.98.60	A	sonar-bos.cdn.whatsapp.net
102.132.98.63	A	scontent-bos3-1.cdninstagram.com
102.132.99.39	A	f4632fecc80kyjcb7ya-rlhkvaoa1487871188-sonar.xz.fbcdn.net
102.132.99.39	A	f688ab36080k2kgxaiq-junqxnkp1502947811-sonar.xz.fbcdn.net
102.132.99.39	A	f1d60046a80-mudvzaga1550765378-sonar.xz.fbcdn.net
102.132.99.60	PTR	whatsapp-cdn-shv-01-cpt1.fbcdn.net