AS18183 61.56.0.0/20 CIDR and IP Range Summary.ASN: 18183 - National Center for Research on Earthquake EngineeringHost Count: 4094Addressable IPs: 409661.56.0.0/2461.56.1.0/2461.56.2.0/2461.56.3.0/2461.56.4.0/2461.56.5.0/2461.56.6.0/2461.56.7.0/2461.56.8.0/2461.56.9.0/2461.56.10.0/2461.56.11.0/2461.56.12.0/2461.56.13.0/2461.56.14.0/2461.56.15.0/24