AS38398 122.153.144.0/21 CIDR and IP Range Summary.ASN: 38398 - Gyeonggi Uijeongbu Office of EducationHost Count: 2046Addressable IPs: 2048122.153.144.0/24122.153.145.0/24122.153.146.0/24122.153.147.0/24122.153.148.0/24122.153.149.0/24122.153.150.0/24122.153.151.0/24