AS39961 San Francisco Department of Telecommunications and Information Services 🇺🇸 US
Announcing 13 prefixes, seen at the RIS collectors.
IPv4 prefixes
13
59,904 (234 × /24)
IPv6 prefixes
0
-
Upstreams
3
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS39961
- Name
- San Francisco Department of Telecommunications and Information Services
- Organisation
- CCSF
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 2006-05-24
- Network type
- Government
- Traffic levels
- 300-500Gbps
- Scope
- Regional
- Peering policy
- Open
- Website
- https://sf.gov
- PeeringDB
- net/44069
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
13 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 208.121.0.0/24 v4 | RPKI valid | 41 | 244821140439961 | 2026-09-18 |
| 208.121.1.0/24 v4 | RPKI valid | 41 | 244821140439961 | 2026-09-18 |
| 208.121.5.0/24 v4 | RPKI valid | 42 | 701839961 | 2026-09-18 |
| 208.121.6.0/24 v4 | RPKI valid | 41 | 244821140439961 | 2026-09-18 |
| 208.121.32.0/20 v4 | RPKI valid | 42 | 701839961 | 2026-09-18 |
| 208.121.48.0/20 v4 | RPKI valid | 41 | 244821140439961 | 2026-09-18 |
| 208.121.64.0/18 v4 | RPKI valid | 42 | 701839961 | 2026-09-18 |
| 208.121.128.0/17 v4 | RPKI valid | 42 | 701839961 | 2026-09-18 |
| 208.121.203.0/24 v4 | RPKI valid | 42 | 701839961 | 2026-09-18 |
| 208.121.224.0/24 v4 | RPKI valid | 41 | 244821140439961 | 2026-09-18 |
| 208.121.225.0/24 v4 | RPKI valid | 41 | 244821140439961 | 2026-09-18 |
| 208.121.226.0/23 v4 | RPKI valid | 41 | 244821140439961 | 2026-09-18 |
| 208.121.230.0/24 v4 | RPKI valid | 46 | 693939961 | 2026-10-10 |