IPv4 prefix

129.4.0.0/16

IP Prefix (CIDR)

129.4.0.0/16

Subnet Mask

255.255.0.0

Address Count

65,536

IP Range

129.4.0.0 - 129.4.255.255

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Registered Owner

Owner

Northrop Grumman Corp.

Handle

NGC-1

Address

Northrop Grumman Corporation 925 South Oyster Bay Road Bethpage NY 11714 United States

Registry

ARIN

Registered Prefix

129.4.0.0/16 (129.4.0.0 - 129.4.255.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
129.4.0.0/16	Exact	AS1906	Northrop Grumman	United States of America (US)	129.4.0.0	129.4.255.255