IPv4 address
104.153.238.246
An address in San Francisco, California, United States, announced by Backblaze Inc (AS40401). It's hosting space and a web server on port 443.
Summary
Geolocation
Where the address is, and what that place uses.
- City
- San Francisco
- Region
- California
- Postal code
- 94102
- Country
- United States
- Continent
- North America
- Coordinates
- 37.7749, -122.4194
- Timezone
- America/Los_Angeles
Ownership
Who holds the address: the AS announcing it, the registry record, the abuse contact and its name in DNS.
- Company
- Backblaze Inc
- Domain
- backblaze.com
- Type
- Hosting
- Registered in
- United States
- AS number
- AS40401
- Name
- Backblaze Inc
- Prefix
- 104.153.238.0/24
- RPKI
- Valid
- Type
- Hosting
- Domain
- backblaze.com
- Registered in
- United States
- Name
- Backblaze Inc
- Network name
- BACKB-7
- Organization
- BACKB-7
- Status
- allocation
- Registry
- ARIN
- Domain
- backblaze.com
- Abuse
- abuse@backblaze.com
- Name
- Abuse Contact
- abuse@backblaze.com
- Phone
- +1-650-352-3738
- Address
- 2261 Market Street STE 81006, San Francisco, CA, 94114
- Network
- 104.153.232.0-104.153.239.255
Anonymity
Whether the address hides someone else: a VPN, Tor, a relay, a proxy pool, or a hosting range.
Network
What kind of network it is on: a mobile carrier, a satellite operator, an anycast service, a CDN edge.
Services
What our own internet-wide measurement found listening on it.
- 443 status
- 301
- 443 redirect
- https://www.backblaze.com
- 443 server
- nginx
- 443 TLS
- TLSv1.3
- 443 certificate
- backblaze.com
- 443 issuer
- C=US, O=Let's Encrypt, CN=YR2
- 443 browser-trusted
- Yes
- 443 seen
- 2026-08-02 to 2026-10-27
00 · Evaluate
Test the real build first.
An evaluation license puts a full current build in your hands, with no sampling, so you can measure it against your own traffic before anyone talks about terms.
01 · License
Then license what you use.
Standard, for detection and decisions inside your own product and operations.
Redistribution, when the data ships onward inside what you sell, priced by scope rather than by seat.
Annual terms, a named contact, and monthly, quarterly or yearly payment.