Autonomous System

AS26211 Proofpoint, Inc.

BusinessActiveUnited StatesARIN

AS26211 (PROOFPOINT-ASN-US-WEST) is a business network operated by Proofpoint, Inc. in United States, registered with ARIN. It has 52 IPv4 prefixes with 14,592 addresses and 3 IPv6 prefixes, which makes it the 8,321st largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses14,592in 52 prefixes
IPv6 prefixes3≈ 4.8 × 10²⁴ addresses
Size rank#8,321of 82,200 active ASNs
Abuser scoreLow0.08% of its addresses flagged · method

Details

OrganizationProofpoint, Inc.
AS namePROOFPOINT-ASN-US-WEST
Websiteproofpoint.com
Country United States (US)
Network typeBusiness
RegistryARIN
Abuse contactabuse@proofpoint.com
Registered2007-10-31
Last updated2012-02-24

IPv4 prefixes

52 prefixes · 14,592 addresses
NetworkAddressesFirst – last address
148.163.148.0/221,024148.163.148.0 – 148.163.151.255
66.159.248.0/2351266.159.248.0 – 66.159.249.255
148.163.156.0/23512148.163.156.0 – 148.163.157.255
66.159.227.0/2425666.159.227.0 – 66.159.227.255
66.159.240.0/2425666.159.240.0 – 66.159.240.255
66.159.241.0/2425666.159.241.0 – 66.159.241.255
67.231.144.0/2425667.231.144.0 – 67.231.144.255
67.231.145.0/2425667.231.145.0 – 67.231.145.255
67.231.146.0/2425667.231.146.0 – 67.231.146.255
67.231.147.0/2425667.231.147.0 – 67.231.147.255
67.231.148.0/2425667.231.148.0 – 67.231.148.255
67.231.149.0/2425667.231.149.0 – 67.231.149.255
67.231.150.0/2425667.231.150.0 – 67.231.150.255
67.231.151.0/2425667.231.151.0 – 67.231.151.255
67.231.158.0/2425667.231.158.0 – 67.231.158.255
67.231.159.0/2425667.231.159.0 – 67.231.159.255
148.163.132.0/24256148.163.132.0 – 148.163.132.255
148.163.133.0/24256148.163.133.0 – 148.163.133.255
148.163.134.0/24256148.163.134.0 – 148.163.134.255
148.163.135.0/24256148.163.135.0 – 148.163.135.255
148.163.144.0/24256148.163.144.0 – 148.163.144.255
148.163.145.0/24256148.163.145.0 – 148.163.145.255
148.163.146.0/24256148.163.146.0 – 148.163.146.255
148.163.147.0/24256148.163.147.0 – 148.163.147.255
205.220.160.0/24256205.220.160.0 – 205.220.160.255
The 25 largest of 52. The API and the database have all of them.

IPv6 prefixes

3 prefixes
  • 2620:100:9000::/47
  • 2620:100:900c::/48
  • 2620:100:900d::/48

Query AS26211 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=AS26211&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS26211, with or without a key:

curl "https://api.ipapi.is/?q=148.163.148.1"

Other networks of Proofpoint, Inc.

AS52129 Proofpoint, Inc.13,568 IPv4 addressesAS22843 Proofpoint, Inc.13,312 IPv4 addresses

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