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129.6.128.0/17
Rockville, Maryland, United States
CIDR Block Overview
CIDR
129.6.128.0/17
Approx. Size
32,768 IPs
Mask
/17
Network & Provider
Organization
US National Institute of Standards & Technology
Autonomous System Number
More information
AS49
Geographic Location
Country
United States
US
Region
Maryland
City
Rockville