AS102

Name: AS102 — U.S. National Science Foundation
Creator: ipdex

U.S. National Science Foundation Unknown registered in United States

3IPv4 prefixes

1IPv6 prefixes

#12,748AS Rank

326/327RIS visibility

#6,069Rank in United States

1987-03-31Allocated

U.S. National Science Foundation (AS102) — Unknown, registered in United States. announces 3 IPv4 prefixes + 1 IPv6 prefixes. Rank in United States: #6069. Allocated: 1987-03-31.

IPv4 3IPv6 1

Announced prefixes · 4

v4 128.150.0.0/16 unknown
v4 192.12.209.0/24 unknown
v4 198.181.231.0/24 unknown
v6 2620:10f:6000::/40 unknown

Routing: 3 IPv4 · 1 IPv6 announced · RIS visibility 326/327 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	4
2026-06-13	4

AS topology · Customer cone 1

Providers · 1

AS6223 CenturyLink Communications, LLC

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