ANALYSIS
Z-p15.www.instagram.com is a CNAME to z-p15-instagram.c10r.facebook.com. Z-p15-instagram.c10r.facebook.com has 14 IP numbers.
IP numbers
The IP numbers are 2a03:2880:f101:85:face:b00c::61e8, 2a03:2880:f105:285:face:b00c::61e8, 2a03:2880:f10d:185:face:b00c::61e8, 2a03:2880:f10f:85:face:b00c::61e8, 2a03:2880:f111:85:face:b00c::61e8, 2a03:2880:f12d:85:face:b00c::61e8, 2a03:2880:f1ff:86:face:b00c::61e8, 31.13.65.32, 31.13.82.32, 69.171.250.38, 157.240.3.38, 157.240.11.37, 157.240.12.37 and 185.60.216.37. The PTRs of the IP numbers are instagram-p156-shv-01-sea1.fbcdn.net, instagram-p156-shv-02-gru2.fbcdn.net, instagram-p156-shv-02-lax3.fbcdn.net, instagram-p156-shv-01-nrt1.fbcdn.net, instagram-p156-shv-01-atl3.fbcdn.net, instagram-p156-shv-01-frx5.fbcdn.net, instagram-p15-shv-01-atl3.fbcdn.net, instagram-p15-shv-01-nrt1.fbcdn.net, instagram-p15-shv-01-sea1.fbcdn.net, instagram-p15-shv-02-lax3.fbcdn.net, instagram-p15-shv-02-gru2.fbcdn.net and instagram-p15-shv-01-frx5.fbcdn.net. The IP numbers are in different countries.