Data as of Nov 5, 2026
205.220.166.0/24
No anonymizer space · no proxy exits in 30 daysProofpoint, Inc.
Network & registry
Origin network
AS26211
US
- Name
- Proofpoint, Inc.
- Type
- Business
- Registered
- Oct 31, 2007
- Domain
- proofpoint.com
- Industry
- Software Development
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Mar 2019
- Current origin since
- Mar 2019 · 7.6 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 205.220.160.0/19 | AS13916 | /24 | ARIN | Another network |
| 205.220.160.0/19 | AS22843 | /24 | ARIN | Another network |
| 205.220.160.0/19 | AS26211 | /24 | ARIN | RPKI valid |
| 205.220.160.0/19 | AS52129 | /24 | ARIN | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS26211 | ARIN | Proofpoint Inc. | MNT-PROOF | Apr 5, 2019 |
Whois
Registration for this announcement
- Range
- 205.
220. 160. 0/ 19 - Netname
- PROOF
- Registrant
- Proofpoint, Inc.
- Organization
- Proofpoint, Inc. (PROOF)
- Org address
- 925 W Maude Ave, Sunnyvale, CA, 94085
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-205-220-160-0-1
- Parent
- NET-205-0-0-0-0
- Created
- Jan 24, 2019
- RIR
- ARIN
- Country
- US
- Delegated
- Jan 24, 2019
- Status
- assigned
Report abuse
Abuse contact
- abuse@
proofpoint. com - Name
- Proofpoint ARIN Abuse
- Phone
- +1-801-748-4494
- Handle
- PAA19-ARIN