Data as of Nov 6, 2026
137.31.0.0/16
3 residential-proxy exits · 30 daysZscaler, Inc. · space held by Zscaler Switzerland GmbH
Residential-proxy exits
Proxy exits
3
<0.01% of its addresses · 30 days
Spread
2 of 256
/24s with at least one exit
Providers
1
selling exits here
Oct 7, 2026 – Nov 5, 2026
Exits seen per day
3 observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 137.31.33.0/24 | 0 | 2 | |
| 137.31.130.0/24 | 0 | 1 |
Proxy providers listing exits
- ProxyEmpire
Operators, sellers and brokers
Corporate gateways
| Name | Parent | In 137.31.0.0/16 | /24s |
|---|---|---|---|
| Zscaler | 65,536100% | 256 |
Announcements
Nesting
More-specifics by size
Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | Operator | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|---|
| 137.31.0.0/22 since Jan 2026 | AS62044 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.12.0/23 since Mar 2026 | AS62044 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.15.0/24 since Mar 2026 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.16.0/24 since Mar 2026 | AS62044 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.17.0/24 since Mar 2026 | AS53813 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.18.0/24 since Mar 2026 | AS53813 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.19.0/24 since Mar 2026 | AS53813 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.20.0/23 since Mar 2026 | AS62044 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.22.0/23 since Mar 2026 | AS62044 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.24.0/23 since Jun 2026 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.26.0/23 since Jun 2026 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.32.0/23 since Mar 2026 | AS62044 | Corporate gateway | Corporate gatewaysoperated by Zscaler | 2 | Zscaler Switzerland GmbH | |
| 137.31.34.0/23 since Mar 2026 | AS62044 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.36.0/24 since Mar 2026 | AS62044 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.37.0/24 since Mar 2026 | AS62044 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.38.0/24 since Jul 2026 | AS15830 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.39.0/24 since Nov 6, 2026 | AS15830 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.40.0/24 since Jun 2026 | AS15830 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.41.0/24 since Jul 2026 | AS15830 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.42.0/24 since Jul 2026 | AS15830 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.43.0/24 since Apr 2026 | AS62044 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.44.0/24 since Apr 2026 | AS53813 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.45.0/24 since May 2026 | AS62044 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.46.0/24 since May 2026 | AS62044 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.47.0/24 since May 2026 | AS62044 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.48.0/24 since May 2026 | AS62044 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.49.0/24 since Apr 2026 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.50.0/24 since Apr 2026 | AS53813 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.52.0/23 since May 2026 | AS62044 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.54.0/23 since May 2026 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.58.0/23 since May 2026 | AS62044 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.60.0/24 since May 2026 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.61.0/24 since May 2026 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.62.0/24 since May 2026 | AS62044 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.63.0/24 since May 2026 | AS53813 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.80.0/23 since Sep 28, 2026 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.82.0/23 since Aug 2026 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.84.0/23 since Aug 2026 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.86.0/23 since Aug 2026 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.88.0/23 since Aug 2026 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.90.0/23 since May 2026 | AS62044 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.92.0/23 since May 2026 | AS53813 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.94.0/23 since May 2026 | AS62044 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.97.0/24 since May 2026 | AS16509 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.101.0/24 since Jun 2026 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.112.0/23 since Jun 2026 | AS62044 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.114.0/23 since May 2026 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.118.0/24 since Jun 2026 | AS53813 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.119.0/24 since Jun 2026 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.120.0/23 since Jun 2026 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.122.0/23 since Jun 2026 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.124.0/23 since Jun 2026 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.126.0/23 since Jun 2026 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.128.0/23 since Jun 2026 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.130.0/23 since Aug 2026 | AS62044 | Corporate gateway | Corporate gatewaysoperated by Zscaler | 1 | Zscaler Switzerland GmbH | |
| 137.31.132.0/24 since Jun 2026 | AS53813 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.133.0/24 since Jun 2026 | AS62044 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.136.0/23 since Aug 2026 | AS53813 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.138.0/23 since Aug 2026 | AS53813 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.140.0/24 since Jul 2026 | AS62044 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.141.0/24 since Sep 2026 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.152.0/23 since Sep 2026 | AS53813 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.156.0/24 since Jul 2026 | AS53813 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.157.0/24 since Aug 2026 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.158.0/24 since Jul 2026 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.159.0/24 since Aug 2026 | AS16509 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.160.0/23 since Aug 2026 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.162.0/23 since Aug 2026 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.164.0/24 since Aug 2026 | AS53813 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.165.0/24 since Aug 2026 | AS16509 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.166.0/24 since Aug 2026 | AS16509 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.168.0/24 since Aug 2026 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.169.0/24 since Aug 2026 | AS62044 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.172.0/24 since Aug 2026 | AS53813 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.173.0/24 since Aug 2026 | AS53813 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.174.0/24 since Aug 2026 | AS53813 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.175.0/24 since Aug 2026 | AS53813 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.176.0/23 since Aug 2026 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.187.0/24 since Aug 2026 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.188.0/23 since Nov 5, 2026 | AS15830 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.190.0/24 since Sep 2026 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.191.0/24 since Sep 2026 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.192.0/24 since Aug 2026 | AS16509 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.193.0/24 since Aug 2026 | AS16509 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.194.0/24 since Aug 2026 | AS14618 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.195.0/24 since Aug 2026 | AS16509 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.196.0/24 since Aug 2026 | AS16509 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.197.0/24 since Aug 2026 | AS16509 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.208.0/24 since Sep 2026 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.209.0/24 since Sep 2026 | AS53813 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.216.0/24 since Oct 22, 2026 | AS53813 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.217.0/24 since Oct 10, 2026 | AS22616 | Corporate gateway | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.218.0/24 since Oct 22, 2026 | AS16509 | Hosting | Corporate gatewaysoperated by Zscaler | Zscaler Switzerland GmbH | ||
| 137.31.219.0/24 since Oct 22, 2026 | AS16509 | Hosting | Corporate gatewaysoperated by Zscaler | 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@ |
| └ 137.31.0.0/22 | 1,024 | ZSCALER-FRANKFURT-AM-MAIN | Zscaler Frankfurt am Main | LEGACY | Dec 11, 2025 | poc-abuse@ via Zscaler |
| └ 137.31.8.0/23 | 512 | ZSCALER-PARIS | Zscaler Paris | LEGACY | Jun 30, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.10.0/23 | 512 | ZSCALER-PARIS | Zscaler Paris | LEGACY | Jun 30, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.12.0/23 | 512 | ZSCALER-PARIS | Zscaler Paris | LEGACY | Mar 12, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.15.0/24 | 256 | ZSCALER-MIAMI | Zscaler Miami | LEGACY | Mar 11, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.16.0/24 | 256 | ZSCALER-HELSINKI | Zscaler Helsinki | LEGACY | Mar 11, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.17.0/24 | 256 | ZSCALER-OSAKA | Zscaler Osaka | LEGACY | Mar 16, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.18.0/24 | 256 | ZSCALER-MUMBAI | Zscaler Mumbai | LEGACY | Mar 16, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.20.0/23 | 512 | ZSCALER-ZURICH | Zscaler Zurich | LEGACY | Mar 25, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.22.0/23 | 512 | ZSCALER-ZURICH | Zscaler Zurich | LEGACY | Mar 25, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.24.0/23 | 512 | ZSCALER-VANCOUVER | Zscaler Vancouver | LEGACY | Jun 25, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.26.0/23 | 512 | ZSCALER-VANCOUVER | Zscaler Vancouver | LEGACY | Jun 25, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.32.0/23 | 512 | ZSCALER-FRANKFURT-AM-MAIN | Zscaler Frankfurt am Main | LEGACY | Mar 24, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.34.0/23 | 512 | ZSCALER-BRUSSELS | Zscaler Brussels | LEGACY | Mar 31, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.36.0/24 | 256 | ZSCALER-LONDON | Zscaler London | LEGACY | Mar 25, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.37.0/24 | 256 | ZSCALER-PARIS | Zscaler Paris | LEGACY | Mar 25, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.38.0/24 | 256 | ZSCALER-SAN-JOSE | Zscaler San Jose | LEGACY | Apr 2, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.39.0/24 | 256 | ZSCALER-SAN-JOSE | Zscaler San Jose | LEGACY | Apr 2, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.40.0/24 | 256 | ZSCALER-WASHINGTON | Zscaler Washington | LEGACY | Apr 2, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.41.0/24 | 256 | ZSCALER-WASHINGTON | Zscaler Washington | LEGACY | Apr 2, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.42.0/24 | 256 | ZSCALER-FRANKFURT-AM-MAIN | Zscaler Frankfurt am Main | LEGACY | Apr 2, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.43.0/24 | 256 | ZSCALER-MANCHESTER | Zscaler Manchester | LEGACY | Apr 7, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.44.0/24 | 256 | ZSCALER-SINGAPORE | Zscaler Singapore | LEGACY | Apr 7, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.45.0/24 | 256 | ZSCALER-BARCELONA | Zscaler Barcelona | LEGACY | Apr 16, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.46.0/24 | 256 | ZSCALER-MADRID | Zscaler Madrid | LEGACY | Apr 16, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.47.0/24 | 256 | ZSCALER-BARCELONA | Zscaler Barcelona | LEGACY | Apr 16, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.48.0/24 | 256 | ZSCALER-MADRID | Zscaler Madrid | LEGACY | Apr 16, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.49.0/24 | 256 | ZSCALER-RESTON | Zscaler Reston | LEGACY | Apr 17, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.50.0/24 | 256 | ZSCALER-TOKYO | Zscaler Tokyo | LEGACY | Apr 17, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.52.0/23 | 512 | ZSCALER-WARSAW | Zscaler Warsaw | LEGACY | May 15, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.58.0/23 | 512 | ZSCALER-LISBON | Zscaler Lisbon | LEGACY | May 13, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.60.0/24 | 256 | ZSCALER-MIAMI | Zscaler Miami | LEGACY | May 13, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.61.0/24 | 256 | ZSCALER-NEW-YORK | Zscaler New York | LEGACY | May 13, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.62.0/24 | 256 | ZSCALER-AMSTERDAM | Zscaler Amsterdam | LEGACY | May 13, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.63.0/24 | 256 | ZSCALER-SYDNEY | Zscaler Sydney | LEGACY | May 19, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.64.0/23 | 512 | ZSCALER-TYO6 | Zscaler Tokyo TYO6 | LEGACY | Sep 28, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.66.0/23 | 512 | ZSCALER-TYO6 | Zscaler Tokyo TYO6 | LEGACY | Sep 28, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.68.0/23 | 512 | ZSCALER-TYO6 | Zscaler Tokyo TYO6 | LEGACY | Sep 28, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.70.0/23 | 512 | ZSCALER-TYO6 | Zscaler Tokyo TYO6 | LEGACY | Sep 28, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.72.0/23 | 512 | ZSCALER-TYO6 | Zscaler Tokyo TYO6 | LEGACY | Sep 28, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.80.0/23 | 512 | ZSCALER-HNL1 | Zscaler Honolulu HNL1 | LEGACY | Jul 10, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.82.0/23 | 512 | ZSCALER-HNL1 | Zscaler Honolulu HNL1 | LEGACY | Jul 10, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.84.0/23 | 512 | ZSCALER-HNL1 | Zscaler Honolulu HNL1 | LEGACY | Jul 10, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.86.0/23 | 512 | ZSCALER-HNL1 | Zscaler Honolulu HNL1 | LEGACY | Jul 10, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.90.0/23 | 512 | ZSCALER-LONDON | Zscaler London | LEGACY | May 18, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.92.0/23 | 512 | ZSCALER-SINGAPORE | Zscaler Singapore | LEGACY | May 20, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.94.0/23 | 512 | ZSCALER-DUSSELDORF | Zscaler Dusseldorf | LEGACY | Jun 4, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.101.0/24 | 256 | ZSCALER-CHICAGO | Zscaler Chicago | LEGACY | Jun 9, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.102.0/23 | 512 | ZSCALER-BUE2 | Zscaler Buenos Aires BUE2 | LEGACY | Sep 2, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.104.0/23 | 512 | ZSCALER-BUE2 | Zscaler Buenos Aires BUE2 | LEGACY | Sep 2, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.106.0/23 | 512 | ZSCALER-BUE2 | Zscaler Buenos Aires BUE2 | LEGACY | Sep 2, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.108.0/23 | 512 | ZSCALER-BUE2 | Zscaler Buenos Aires BUE2 | LEGACY | Sep 2, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.110.0/23 | 512 | ZSCALER-BUE2 | Zscaler Buenos Aires BUE2 | LEGACY | Sep 2, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.112.0/23 | 512 | ZSCALER-DUSSELDORF | Zscaler Dusseldorf | LEGACY | Jun 2, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.114.0/23 | 512 | ZSCALER-CHICAGO | Zscaler Chicago | LEGACY | Jun 4, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.118.0/24 | 256 | ZSCALER-MELBOURNE | Zscaler Melbourne | LEGACY | Jun 9, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.119.0/24 | 256 | ZSCALER-MEXICO-CITY | Zscaler Mexico City | LEGACY | Aug 17, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.120.0/23 | 512 | ZSCALER-CHICAGO | Zscaler Chicago | LEGACY | Jun 18, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.122.0/23 | 512 | ZSCALER-RESTON | Zscaler Reston | LEGACY | Jun 17, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.124.0/23 | 512 | ZSCALER-DALLAS-FORT-WORTH | Zscaler Dallas-Fort Worth | LEGACY | Jun 18, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.126.0/23 | 512 | ZSCALER-NEW-YORK | Zscaler New York | LEGACY | Jun 18, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.128.0/23 | 512 | ZSCALER-MIAMI | Zscaler Miami | LEGACY | Jun 18, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.130.0/23 | 512 | ZSCALER-MUNICH | Zscaler Munich | LEGACY | Jul 2, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.132.0/24 | 256 | ZSCALER-HONG-KONG | Zscaler Hong Kong | LEGACY | Jun 18, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.133.0/24 | 256 | ZSCALER-FRANKFURT-AM-MAIN | Zscaler Frankfurt am Main | LEGACY | Jun 18, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.136.0/23 | 512 | ZSCALER-MUMBAI | Zscaler Mumbai | LEGACY | Aug 12, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.138.0/23 | 512 | ZSCALER-MUMBAI | Zscaler Mumbai | LEGACY | Aug 12, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.140.0/24 | 256 | ZSCALER-MILAN | Zscaler Milan | LEGACY | Jun 25, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.141.0/24 | 256 | ZSCALER-DENVER | Zscaler Denver | LEGACY | Aug 17, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.152.0/23 | 512 | ZSCALER-SINGAPORE | Zscaler Singapore | LEGACY | Sep 14, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.156.0/24 | 256 | ZSCALER-OSAKA | Zscaler Osaka | LEGACY | Aug 4, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.157.0/24 | 256 | ZSCALER-ATLANTA | Zscaler Atlanta | LEGACY | Aug 17, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.158.0/24 | 256 | ZSCALER-DALLAS-FORT-WORTH | Zscaler Dallas-Fort Worth | LEGACY | Aug 17, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.160.0/23 | 512 | ZSCALER-DALLAS-FORT-WORTH | Zscaler Dallas-Fort Worth | LEGACY | Aug 6, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.162.0/23 | 512 | ZSCALER-DALLAS-FORT-WORTH | Zscaler Dallas-Fort Worth | LEGACY | Aug 6, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.164.0/24 | 256 | ZSCALER-SINGAPORE | Zscaler Singapore | LEGACY | Aug 11, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.167.0/24 | 256 | ZSCALER-BOGOTA | Zscaler Bogota | LEGACY | Aug 17, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.168.0/24 | 256 | ZSCALER-HONOLULU | Zscaler Honolulu | LEGACY | Aug 17, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.169.0/24 | 256 | ZSCALER-LONDON | Zscaler London | LEGACY | Aug 17, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.172.0/24 | 256 | ZSCALER-MUMBAI | Zscaler Mumbai | LEGACY | Aug 17, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.173.0/24 | 256 | ZSCALER-CHENNAI | Zscaler Chennai | LEGACY | Aug 17, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.174.0/24 | 256 | ZSCALER-SYDNEY | Zscaler Sydney | LEGACY | Aug 17, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.175.0/24 | 256 | ZSCALER-HYDERABAD | Zscaler Hyderabad | LEGACY | Aug 17, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.176.0/23 | 512 | ZSCALER-SAN-JOSE | Zscaler San Jose | LEGACY | Aug 19, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.187.0/24 | 256 | ZSCALER-MIAMI | Zscaler Miami | LEGACY | Sep 1, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.190.0/24 | 256 | ZSCALER-NEW-YORK | Zscaler New York | LEGACY | Sep 1, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.191.0/24 | 256 | ZSCALER-SAO-PAULO | Zscaler Sao Paulo | LEGACY | Sep 1, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.208.0/24 | 256 | ZSCALER-TORONTO | Zscaler Toronto | LEGACY | Sep 21, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.209.0/24 | 256 | ZSCALER-SINGAPORE | Zscaler Singapore | LEGACY | Sep 21, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.216.0/24 | 256 | ZSCALER-TOKYO | Zscaler Tokyo | LEGACY | Oct 12, 2026 | poc-abuse@ via Zscaler |
| └ 137.31.217.0/24 | 256 | ZSCALER-RESTON | Zscaler Reston | LEGACY | Oct 12, 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
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
- Reactivated
- First seen
- Jan 2018
- Current origin since
- Oct 2025 · 1.1 yr
- Origin networks
- 4
- Last change of origin
- Oct 2025
Recorded history
History
- Handoffs
- 3
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS22616 | RADB | Zscaler SJC4 | MAINT-AS53444 | Oct 16, 2025 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 137.31.8.0/23 | AS62044 | RADB | Zscaler PAR4 | MAINT-AS53444 | Jun 30, 2026 |
| 137.31.8.0/24 | AS62044 | RADB | Zscaler PAR4 | MAINT-AS53444 | Jun 30, 2026 |
| 137.31.9.0/24 | AS62044 | RADB | Zscaler PAR4 | MAINT-AS53444 | Jun 30, 2026 |
| 137.31.10.0/23 | AS62044 | RADB | Zscaler PAR4 | MAINT-AS53444 | Jun 30, 2026 |
| 137.31.10.0/24 | AS62044 | RADB | Zscaler PAR4 | MAINT-AS53444 | Jun 30, 2026 |
| 137.31.11.0/24 | AS62044 | RADB | Zscaler PAR4 | MAINT-AS53444 | Jun 30, 2026 |
| 137.31.64.0/23 | AS53813 | RADB | Zscaler TYO6 | MAINT-AS53444 | Sep 28, 2026 |
| 137.31.64.0/24 | AS53813 | RADB | Zscaler TYO6 | MAINT-AS53444 | Sep 28, 2026 |
| 137.31.65.0/24 | AS53813 | RADB | Zscaler TYO6 | MAINT-AS53444 | Sep 28, 2026 |
| 137.31.66.0/23 | AS53813 | RADB | Zscaler TYO6 | MAINT-AS53444 | Sep 28, 2026 |
| 137.31.66.0/24 | AS53813 | RADB | Zscaler TYO6 | MAINT-AS53444 | Sep 28, 2026 |
| 137.31.67.0/24 | AS53813 | RADB | Zscaler TYO6 | MAINT-AS53444 | Sep 28, 2026 |
| 137.31.68.0/23 | AS53813 | RADB | Zscaler TYO6 | MAINT-AS53444 | Sep 28, 2026 |
| 137.31.68.0/24 | AS53813 | RADB | Zscaler TYO6 | MAINT-AS53444 | Sep 28, 2026 |
| 137.31.69.0/24 | AS53813 | RADB | Zscaler TYO6 | MAINT-AS53444 | Sep 28, 2026 |
| 137.31.70.0/23 | AS53813 | RADB | Zscaler TYO6 | MAINT-AS53444 | Sep 28, 2026 |
| 137.31.70.0/24 | AS53813 | RADB | Zscaler TYO6 | MAINT-AS53444 | Sep 28, 2026 |
| 137.31.71.0/24 | AS53813 | RADB | Zscaler TYO6 | MAINT-AS53444 | Sep 28, 2026 |
| 137.31.72.0/23 | AS53813 | RADB | Zscaler TYO6 | MAINT-AS53444 | Sep 28, 2026 |
| 137.31.72.0/24 | AS53813 | RADB | Zscaler TYO6 | MAINT-AS53444 | Sep 28, 2026 |
| 137.31.73.0/24 | AS53813 | RADB | Zscaler TYO6 | MAINT-AS53444 | Sep 28, 2026 |
| 137.31.102.0/23 | AS22616 | RADB | Zscaler BUE2 | MAINT-AS53444 | Sep 2, 2026 |
| 137.31.102.0/24 | AS22616 | RADB | Zscaler BUE2 | MAINT-AS53444 | Sep 2, 2026 |
| 137.31.103.0/24 | AS22616 | RADB | Zscaler BUE2 | MAINT-AS53444 | Sep 2, 2026 |
| 137.31.104.0/23 | AS22616 | RADB | Zscaler BUE2 | MAINT-AS53444 | Sep 2, 2026 |
| 137.31.104.0/24 | AS22616 | RADB | Zscaler BUE2 | MAINT-AS53444 | Sep 2, 2026 |
| 137.31.105.0/24 | AS22616 | RADB | Zscaler BUE2 | MAINT-AS53444 | Sep 2, 2026 |
| 137.31.106.0/23 | AS22616 | RADB | Zscaler BUE2 | MAINT-AS53444 | Sep 2, 2026 |
| 137.31.106.0/24 | AS22616 | RADB | Zscaler BUE2 | MAINT-AS53444 | Sep 2, 2026 |
| 137.31.107.0/24 | AS22616 | RADB | Zscaler BUE2 | MAINT-AS53444 | Sep 2, 2026 |
| 137.31.108.0/23 | AS22616 | RADB | Zscaler BUE2 | MAINT-AS53444 | Sep 2, 2026 |
| 137.31.108.0/24 | AS22616 | RADB | Zscaler BUE2 | MAINT-AS53444 | Sep 2, 2026 |
| 137.31.109.0/24 | AS22616 | RADB | Zscaler BUE2 | MAINT-AS53444 | Sep 2, 2026 |
| 137.31.110.0/23 | AS22616 | RADB | Zscaler BUE2 | MAINT-AS53444 | Sep 2, 2026 |
| 137.31.110.0/24 | AS22616 | RADB | Zscaler BUE2 | MAINT-AS53444 | Sep 2, 2026 |
| 137.31.111.0/24 | AS22616 | RADB | Zscaler BUE2 | MAINT-AS53444 | Sep 2, 2026 |
| 137.31.167.0/24 | AS22616 | RADB | Zscaler BOG2 | MAINT-AS53444 | Aug 17, 2026 |
| 137.31.184.0/24 | AS15830 | RADB | Proxy on behalf of Customer | MAINT-AS14609 | Sep 16, 2026 |
Whois
Registration for this announcement
- Range
- 137.
31. 0. 0/ 16 - Netname
- Zscaler
- Registrant
- Zscaler Switzerland GmbH
- Registrant country
- CH
- Organization
- Zscaler Switzerland GmbH (ORG-ZSG1-RIPE)
- Org country
- CH
- Type
- LEGACY
- Created
- Oct 15, 2025
- Updated
- Oct 15, 2025
- Maintainer
- RIPE-NCC-LEGACY-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