IPv4 prefix

138.138.0.0/16

IP Prefix (CIDR)
138.138.0.0/16
Subnet Mask
255.255.0.0
Address Count
65,536
Owner
DoD Network Information Center
Handle
DNIC
Address
3990 E. Broad Street Columbus OH 43218 United States
Registry
ARIN
Registered Prefix
138.138.0.0/16 (138.138.0.0 - 138.138.255.255)
Announced Prefix Relationship Origin ASN Description Country First Address Last Address
138.136.0.0/13 Covering AS721 United States Department of Defense (DoD) United States of America (US) 138.136.0.0 138.143.255.255
138.138.0.0/17 More specific AS5972 United States Department of Defense (DoD) United States of America (US) 138.138.0.0 138.138.127.255
138.138.128.0/18 More specific AS5972 United States Department of Defense (DoD) United States of America (US) 138.138.128.0 138.138.191.255
138.138.192.0/19 More specific AS5972 United States Department of Defense (DoD) United States of America (US) 138.138.192.0 138.138.223.255
138.138.224.0/20 More specific AS5972 United States Department of Defense (DoD) United States of America (US) 138.138.224.0 138.138.239.255
138.138.240.0/22 More specific AS5972 United States Department of Defense (DoD) United States of America (US) 138.138.240.0 138.138.243.255
138.138.254.0/23 More specific AS5972 United States Department of Defense (DoD) United States of America (US) 138.138.254.0 138.138.255.255