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InternetData
IPv4 address

12.153.240.84

An address in South San Francisco, California, United States, used by LYELL IMMUNOPHARMA, announced by AT&T Enterprises, LLC (AS7018). It's mobile carrier space of AT&T and a web server on port 80.

Summary

Geolocation
South San Francisco, California
Ownership
12.128.0.0/9
Used by LYELL IMMUNOPHARMA

No VPN, Tor, relay, proxy or hosting

  • CarrierAT&T
  • WebPort 80

Geolocation

Where the address is, and what that place uses.

City
South San Francisco
Region
California
Postal code
94080
Continent
North America
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
LYELL IMMUNOPHARMA
Type
Business
Registered in
United States
AS number
AS7018
Name
AT&T Enterprises, LLC
Prefix
12.128.0.0/9
RPKI
Not found
Type
ISP
Domain
att.com
Registered in
United States
Name
LYELL IMMUNOPHARMA
Network name
LYELL-IM95-240-80
Organization
C07615747
Status
reassignment
Registry
ARIN
Name
abuse
Phone
+1-919-319-8167
Address
2701 W 15th ST, Plano, TX, 75075
Network
12.0.0.0-12.255.255.255
Not seen inIP RWHOISIP RDNS

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.

Carrier
AT&T
MCC
310
MNC
410
Confidence
High

Services

What our own internet-wide measurement found listening on it.

80 status
403
80 server
Microsoft-IIS/10.0
80 title
403 - Forbidden: Access is denied.
80 seen
2026-07-26 to 2026-10-20
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.