IPv4 block 139.138.56.0/21
139.138.56.0/21 is registered to ARIN (ARIN, US).
- CIDR
- 139.138.56.0/21
- Range
- 139.138.56.0 – 139.138.63.255
- RIR
- ARIN
- Country
- US
- ASN
- AS16417
- AS name
- IRONPORT-SYSTEMS-INC - Cisco Systems Ironport Division, US
139.138.56.0/21 is registered to ARIN (ARIN, US).