IPv4 prefix

137.227.0.0/16

IP Prefix (CIDR)
137.227.0.0/16
Subnet Mask
255.255.0.0
Address Count
65,536
Owner
U.S. Department of the Interior
Handle
UDI-1-Z
Address
1849 C St., N.W. Washington DC 20240 United States
Registry
ARIN
Registered Prefix
137.227.0.0/16 (137.227.0.0 - 137.227.255.255)
Announced Prefix Relationship Origin ASN Description Country First Address Last Address
137.227.0.0/19 More specific AS22284 U.S. Department of the Interior United States of America (US) 137.227.0.0 137.227.31.255
137.227.30.0/24 More specific AS3549 Level 3 Parent LLC United States of America (US) 137.227.30.0 137.227.30.255
137.227.64.0/19 More specific AS22284 U.S. Department of the Interior United States of America (US) 137.227.64.0 137.227.95.255
137.227.96.0/21 More specific AS22284 U.S. Department of the Interior United States of America (US) 137.227.96.0 137.227.103.255
137.227.125.0/24 More specific AS22284 U.S. Department of the Interior United States of America (US) 137.227.125.0 137.227.125.255
137.227.126.0/23 More specific AS22284 U.S. Department of the Interior United States of America (US) 137.227.126.0 137.227.127.255
137.227.134.0/24 More specific AS22284 U.S. Department of the Interior United States of America (US) 137.227.134.0 137.227.134.255
137.227.136.0/24 More specific AS22284 U.S. Department of the Interior United States of America (US) 137.227.136.0 137.227.136.255
137.227.144.0/22 More specific AS5663 Department of Interior United States Geological Survey United States of America (US) 137.227.144.0 137.227.147.255
137.227.158.0/23 More specific AS22284 U.S. Department of the Interior United States of America (US) 137.227.158.0 137.227.159.255
137.227.160.0/19 More specific AS22284 U.S. Department of the Interior United States of America (US) 137.227.160.0 137.227.191.255
137.227.192.0/21 More specific AS21633 U.S. Department of the Interior United States of America (US) 137.227.192.0 137.227.199.255
137.227.200.0/23 More specific AS22284 U.S. Department of the Interior United States of America (US) 137.227.200.0 137.227.201.255
137.227.204.0/24 More specific AS22284 U.S. Department of the Interior United States of America (US) 137.227.204.0 137.227.204.255
137.227.224.0/19 More specific AS22284 U.S. Department of the Interior United States of America (US) 137.227.224.0 137.227.255.255
137.227.230.0/24 More specific AS1842 Department of Interior United States Geological Survey United States of America (US) 137.227.230.0 137.227.230.255