AS137687 36.99.80.0/21 CIDR and IP Range Summary.ASN: 137687 - Luoyang Henan Province P.R.China.Host Count: 2046Addressable IPs: 204836.99.80.0/2436.99.81.0/2436.99.82.0/2436.99.83.0/2436.99.84.0/2436.99.85.0/2436.99.86.0/2436.99.87.0/24