Data as of Nov 6, 2026
148.163.156.0/24
No anonymizer space · no proxy exits in 30 daysProofpoint, Inc.
Network & registry
Announced by
Covering announcement 148.163.156.0/23
- Prefix
- 148.163.156.0/23
- Announced by
- AS26211 Proofpoint, Inc.
- Type
- Business
- RPKI
- RPKI valid
- Netname
- PROOFPOINT-NET-NORTH-AMERICA
- Registrant
- Proofpoint, Inc.
- RIR
- ARIN
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 148.163.156.0/23
148.163.156.0/23
Routing history
- Pattern
- Stable
- First seen
- Nov 2014
- Current origin since
- Nov 2014 · 12 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 148.163.128.0/19 | AS13916 | /24 | ARIN | Another network |
| 148.163.128.0/19 | AS22843 | /24 | ARIN | Another network |
| 148.163.128.0/19 | AS26211 | /24 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 148.
163. 128. 0/ 19 - Netname
- PROOFPOINT-NET-NORTH-AMERICA
- Registrant
- Proofpoint, Inc.
- Organization
- Proofpoint, Inc. (PROOF)
- Org address
- 925 W Maude Ave, Sunnyvale, CA, 94085
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-148-163-128-0-1
- Parent
- NET-148-0-0-0-0
- Created
- Jun 13, 2014
- RIR
- ARIN
- Country
- US
- Delegated
- Jun 13, 2014
- Status
- assigned
Report abuse
Abuse contact
- abuse@
proofpoint. com - Name
- Proofpoint ARIN Abuse
- Phone
- +1-801-748-4494
- Handle
- PAA19-ARIN