San Francisco Department of Telecommunications and Information Services
AS39961 is San Francisco Department of Telecommunications and Information Services (sf.gov). It announces 58,368 IPv4 addresses in 13 prefixes, and 0 IPv6 prefixes.
United States· ARIN· allocated 2006-05-24· government
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- United States58,368 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- CCSF
- name
- San Francisco Department of Telecommunications and Information Services
- org
- SFDTIS
- org name
- San Francisco Department of Telecommunications and Information Services
- org address
- One South Van Ness Avenue, 2nd Floor, San Francisco, CA, 94103
- org city
- San Francisco
- org country
- US
- country
- US
- source
- arin
- created
- 2006-05-24
- updated
- 2012-03-02
- abuse name
- DT Security
- abuse email
- cyberdefense@sfgov.org
- abuse phone
- +1-628-652-5000
- abuse kind
- role
- abuse city
- San Francisco
- abuse country
- US
- admin name
- Glacier Ybanez
- admin email
- glacier.ybanez@sf.gov
- admin phone
- +1-415-716-8419
- admin kind
- person
- admin city
- San Francisco
- admin country
- US
- tech name
- Bradley Bell
- tech email
- brad.bell@sf.gov
- tech phone
- +1-949-216-0013
- tech kind
- person
- tech city
- San Francisco
- tech country
- US
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- None here
- anyip, cliproxy, floppydata0.02%
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 208.121.0.0/24 | United States | not found | 17 | 2026-10-02 |
| 208.121.1.0/24 | United States | not found | 17 | 2026-10-02 |
| 208.121.5.0/24 | United States | not found | 17 | 2026-10-02 |
| 208.121.6.0/24 | United States | not found | 17 | 2026-10-02 |
| 208.121.32.0/20 | United States | not found | 17 | 2026-10-02 |
| 208.121.48.0/20 | United States | not found | 17 | 2026-10-02 |
| 208.121.64.0/18 | United States | not found | 17 | 2026-10-02 |
| 208.121.128.0/17 | United States | not found | 17 | 2026-10-02 |
| 208.121.203.0/24 | United States | not found | 17 | 2026-10-02 |
| 208.121.224.0/24 | United States | not found | 17 | 2026-10-02 |
| 208.121.225.0/24 | United States | not found | 17 | 2026-10-02 |
| 208.121.226.0/23 | United States | not found | 17 | 2026-10-02 |
| 208.121.230.0/24also AS64866 | United States | not found | 15 | 2026-10-02 |
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