Data as of Nov 10, 2026
167.238.228.0/24
No anonymizer space · no proxy exits in 30 daysZscaler, Inc. · space held by Centene Corporation
Announcement
this exact prefix
RPKI valid
Announced by
Type
Corporate gateway
Risk
20 / 100 · Low
Recent change
New origin Nov 7, 2026
its first announcement on record
Operators, sellers and brokers
Corporate gateways
| Name | Parent | In 167.238.228.0/24 | /24s |
|---|---|---|---|
| Zscaler | 256100% | 1 |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 167.238.0.0/16 | 65,536 | CENTENE-CORPORATION | Centene Corporation (CENTE-5) · US | Direct Allocation | Nov 19, 1993 | domains@ |
| └ 167.238.228.0/24 | 256 | ZSCALER-BYOIP | Centene Corporation (C11744445) · US | Reassigned | Oct 21, 2026 | domains@ via CENTENE-CORPORATION |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Registry
Holder
- Organization
- Centene Corporation
- Handle
- CENTE-5
- Range
- 167.
238. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- Nov 19, 1993
- Legacy
- yes
Origin network
AS22616
US
- Name
- Zscaler, Inc.
- Type
- Business
- Registered
- May 28, 2014
- Domain
- zscaler.com
- Website
- www.zscaler.com
- Industry
- Service
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Nov 7, 2026
- Current origin since
- Nov 7, 2026 · under a month
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 167.
238. 228. 0/ 24 - Netname
- ZSCALER-BYOIP
- Registrant
- Centene Corporation
- Organization
- Centene Corporation (C11744445)
- Type
- Reassigned
- Handle
- NET-167-238-228-0-1
- Parent
- NET-167-238-0-0-1
- Created
- Oct 21, 2026
- RIR
- ARIN
- Country
- US
- Delegated
- Nov 19, 1993
- Status
- assigned
Report abuse
Abuse contact
- domains@
centene. com - Name
- Abuse
- Phone
- +1-314-505-6920
- Handle
- ABUSE4840-ARIN