Autonomous System

AS11971 Pfizer Inc.

BusinessActiveUnited StatesARIN

AS11971 (PFIZERNET-GROTON) is a business network operated by Pfizer Inc. in United States, registered with ARIN. It has 6 IPv4 prefixes with 11,264 addresses, which makes it the 9,512th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses11,264in 6 prefixes
IPv6 prefixes0none
Size rank#9,512of 82,200 active ASNs
Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

Details

OrganizationPfizer Inc.
AS namePFIZERNET-GROTON
Websitepfizer.com
Country United States (US)
Network typeBusiness
RegistryARIN
Abuse contactNetAbuse@Pfizer.com
Registered1999-02-17
Last updated2021-07-03

IPv4 prefixes

6 prefixes · 11,264 addresses
NetworkAddressesFirst – last address
148.168.32.0/198,192148.168.32.0 – 148.168.63.255
148.168.192.0/221,024148.168.192.0 – 148.168.195.255
148.168.224.0/221,024148.168.224.0 – 148.168.227.255
148.168.192.0/23512148.168.192.0 – 148.168.193.255
146.240.1.0/24256146.240.1.0 – 146.240.1.255
148.168.35.0/24256148.168.35.0 – 148.168.35.255

IPv6 prefixes

No IPv6 prefixes.

Query AS11971 with the API

The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day. 

curl "https://api.ipapi.is/?q=AS11971&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS11971, with or without a key:

curl "https://api.ipapi.is/?q=148.168.32.1"

Other networks of Pfizer Inc.

AS7068 Pfizer Inc.77,824 IPv4 addresses

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