Proofpoint, Inc.
AS26211 is Proofpoint, Inc. (proofpoint.com). It announces 14,592 IPv4 addresses in 52 prefixes, and 3 IPv6 prefixes.
United States· ARIN· allocated 2007-10-31· business
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- United States13,568 · 92.98%
- Australia256 · 1.75%
- Ireland256 · 1.75%
- Italy256 · 1.75%
- Sweden256 · 1.75%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- PROOFPOINT-ASN-US-WEST
- name
- Proofpoint, Inc.
- org
- PROOF
- org name
- Proofpoint, Inc.
- org address
- 925 W Maude Ave, Sunnyvale, CA, 94085
- org city
- Sunnyvale
- org country
- US
- country
- US
- source
- arin
- created
- 2007-10-31
- updated
- 2012-02-24
- abuse name
- Proofpoint ARIN Abuse
- abuse email
- abuse@proofpoint.com
- abuse phone
- +1-801-748-4494
- abuse kind
- role
- abuse city
- Draper
- abuse country
- US
- admin name
- Network Operations
- admin email
- arin-management@proofpoint.com
- admin phone
- +1-408-517-4710
- admin kind
- role
- admin city
- Sunnyvale
- admin country
- US
- tech
- NETWO2061-ARIN
- tech name
- Network Operations
- tech email
- arin-management@proofpoint.com
- tech phone
- +1-408-517-4710
- tech kind
- role
- tech city
- Sunnyvale
- tech country
- US
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- 0.05%
- None here
- None here
- None here
- None here
- None here
- Hosting IP12,54485.96%
- None here
- None here
- None here
- 0.01%
- 0.04%
- 0.03%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2620:100:9000::/47 | United States | valid | 20 | 2026-10-02 |
| 2620:100:900c::/48 | United States | valid | 20 | 2026-10-02 |
| 2620:100:900d::/48 | United States | valid | 20 | 2026-10-02 |
Test the real build first.
An evaluation license puts a full current build in your hands — every row, every column, no sampling — so you can measure it against your own traffic before anyone talks about terms.