Data as of Nov 5, 2026
137.31.52.0/23
No anonymizer space · no proxy exits in 30 daysZscaler Switzerland GmbH
Operators, sellers and brokers
Corporate gateways
| Name | Parent | In 137.31.52.0/23 | /24s |
|---|---|---|---|
| Zscaler | 512100% | 2 |
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 137.31.0.0/16 since Oct 2025 | AS22616 | Corporate gateway | 3 | Zscaler Switzerland GmbH |
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 |
|---|---|---|---|---|---|---|
| 137.31.0.0/16 | 65,536 | Zscaler | Zscaler Switzerland GmbH (ORG-ZSG1-RIPE) · CH | LEGACY | Oct 15, 2025 | poc-abuse@ |
| └ 137.31.52.0/23 | 512 | ZSCALER-WARSAW | Zscaler Warsaw | LEGACY | May 15, 2026 | poc-abuse@ via Zscaler |
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
- Zscaler Switzerland GmbH
- Handle
- ORG-ZSG1-RIPE
- Range
- 137.
31. 0. 0/ 16 - Registration type
- LEGACY
- Record created
- Oct 15, 2025
- Legacy
- yes
Origin network
AS62044
CH
- Name
- Zscaler Switzerland GmbH
- Type
- Business
- Registered
- Mar 7, 2014
- Domain
- zscaler.com
- Website
- www.zscaler.com
- Industry
- Service
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2026
- Current origin since
- May 2026 · 6 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 137.31.52.0/23 | AS62044 | /24 | RIPE | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS62044 | RADB | Zscaler WAW2 | MAINT-AS53444 | May 15, 2026 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 137.31.52.0/24 | AS62044 | RADB | Zscaler WAW2 | MAINT-AS53444 | May 15, 2026 |
| 137.31.53.0/24 | AS62044 | RADB | Zscaler WAW2 | MAINT-AS53444 | May 15, 2026 |
Whois
Registration for this announcement
- Range
- 137.
31. 52. 0/ 23 - Netname
- ZSCALER-WARSAW
- Registrant
- Zscaler Warsaw
- Registrant country
- PL
- Organization
- Zscaler Warsaw
- Org country
- PL
- Type
- LEGACY
- Created
- May 15, 2026
- Updated
- May 15, 2026
- Maintainer
- ZSCALER-RIPE-MNT
- RIR
- RIPE NCC
- Country
- CH
- Delegated
- Oct 17, 1989
- Status
- assigned
Report abuse
Abuse contact
- poc-abuse@
zscaler. com - Name
- Zscaler Abuse Desk
- Handle
- ZA1089-RIPE