AS11956

National Oceanic and Atmospheric Administration Government registered in United States

0IPv4 prefixes

0IPv6 prefixes

#2,311AS Rank

#18,212Rank in United States

1999-02-12Allocated

National Oceanic and Atmospheric Administration (AS11956) — Government, registered in United States. announces 0 IPv4 prefixes + 0 IPv6 prefixes. Rank in United States: #18212. Allocated: 1999-02-12.

IPv4 0IPv6 0

This ASN announces no prefixes in the current routing table.

The Index

Prefix history

Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)

Data table

Day	Announced prefixes
2026-06-12	0
2026-06-13	0

AS topology · Customer cone 12

Providers · 3

AS10886 University of Maryland
AS101 University of Washington
AS14041 University Corporation for Atmospheric Research

Peers · 1

AS293 ESnet

Customers · 1

AS3477 National Oceanic and Atmospheric Administration

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