AS39961

Name: AS39961 — San Francisco Department of Telecommunications and Information Services
Creator: ipdex

San Francisco Department of Telecommunications and Information Services Unknown registered in United States

12IPv4 prefixes

0IPv6 prefixes

#30,100AS Rank

327/327RIS visibility

#2,763Rank in United States

2006-05-24Allocated

San Francisco Department of Telecommunications and Information Services (AS39961) — Unknown, registered in United States. announces 12 IPv4 prefixes + 0 IPv6 prefixes. Rank in United States: #2763. Allocated: 2006-05-24.

IPv4 12IPv6 0

Announced prefixes · 12

v4 208.121.0.0/24 unknown
v4 208.121.1.0/24 unknown
v4 208.121.128.0/17 unknown
v4 208.121.203.0/24 unknown
v4 208.121.224.0/24 unknown
v4 208.121.225.0/24 unknown
v4 208.121.226.0/23 unknown
v4 208.121.32.0/20 unknown
v4 208.121.48.0/20 unknown
v4 208.121.5.0/24 unknown
v4 208.121.6.0/24 unknown
v4 208.121.64.0/18 unknown

Routing: 12 IPv4 · 0 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	12
2026-06-13	12

AS topology · Customer cone 1

Providers · 2

AS7018 AT&T Enterprises, LLC
AS11404 Wave Broadband

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