AS553 193.196.144.0/21 CIDR and IP Range Summary.ASN: 553 - Universitaet StuttgartHost Count: 2046Addressable IPs: 2048193.196.144.0/24193.196.145.0/24193.196.146.0/24193.196.147.0/24193.196.148.0/24193.196.149.0/24193.196.150.0/24193.196.151.0/24