AS39961
AS39961
ARIN
ISP
Data retrieved at
This AS-only summary is estimated from a sample IP within a prefix announced by this AS, not from a specific query. Search a real IP for exact details.
Network
AS Number
AS39961
Company
San Francisco Department of Telecommunications and Information Services
Type
ISP
IPv4 Addresses
59,648
IPv6 Addresses
0
Registry (RIR)
ARIN
208.121.0.0/24
Abuse Contacts
Announced Prefixes (12)
Netblock
Num. of IPs
RPKI
RPKI Origin Validation
RPKI verifies that an IP prefix is legitimately announced by the authorized Autonomous System (ASN) using Route Origin Authorizations (ROAs).
Unknown
No valid ROA was found for this prefix.
UNKNOWN
Validated Prefix
208.121.0.0/24
Authorized ASN
AS39961
IP Geolocation
Country
United States
Continent
North America
European Union
No
Phone prefix
+1
Currency
US Dollar (USD $)
Approximate location (country-level)
Open in Maps