AS25829

Name: AS25829 — Smithsonian Institution
Creator: ipdex

Smithsonian Institution Unknown registered in United States

6IPv4 prefixes

1IPv6 prefixes

#8,569AS Rank

327/327RIS visibility

#4,215Rank in United States

2002-05-16Allocated

Smithsonian Institution (AS25829) — Unknown, registered in United States. announces 6 IPv4 prefixes + 1 IPv6 prefixes. Rank in United States: #4215. Allocated: 2002-05-16.

IPv4 6IPv6 1

Announced prefixes · 7

v4 160.111.0.0/17 unknown
v4 160.111.128.0/18 unknown
v4 160.111.192.0/19 unknown
v4 160.111.224.0/21 unknown
v4 160.111.240.0/20 unknown
v4 38.127.143.0/24 unknown
v6 2001:550:7708::/48 unknown

Routing: 6 IPv4 · 1 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-17

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	7
2026-06-13	7

AS topology · Customer cone 2

Providers · 4

AS3356 Level 3 Parent, LLC
AS174 Cogent Communications, LLC
AS11537 Internet2
AS11164 Internet2

Customers · 1

AS27922 Smithsonian Tropical Research Institute

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