AS1257 83.248.0.0/13 CIDR and IP Range Summary.ASN: 1257 - Tele2 Sverige ABHost Count: 524286Addressable IPs: 52428883.248.0.0/1683.248.0.0/1683.248.0.0/1683.248.0.0/1683.248.0.0/1683.248.0.0/1683.248.0.0/1683.248.0.0/16