diff --git a/CHANGELOG.md b/CHANGELOG.md
index ee61bd0..c398a20 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -30,6 +30,7 @@ For major (breaking) changes - version 3 and 2 see end of page.
| Version | Date | Comment |
| -------------- | -------------- | -------- |
+| 4.24.0 | 2020-05-01 | `networkInterfaces()` added subnet mask ip4 and ip6 |
| 4.23.10 | 2020-05-01 | `cpuTemperature()` optimized parsing linux |
| 4.23.9 | 2020-04-29 | `currentLoad()` workarround for no os.cpus info |
| 4.23.8 | 2020-04-26 | `getMacAddresses()` fix added try catch |
diff --git a/README.md b/README.md
index b7ad5e5..ae3e3e5 100644
--- a/README.md
+++ b/README.md
@@ -87,13 +87,13 @@ si.cpu()
(last 7 major and minor version releases)
+- Version 4.24.0: `networkInterfaces()` added subnet mask ip4 and ip6
- Version 4.23.0: `versions()` added param to specify which program/lib versions to detect
- Version 4.22.0: `services()` added pids (windows)
- Version 4.21.0: added npx copmpatibility
- Version 4.20.0: `battery()` added designcapacity, voltage, unit
- Version 4.19.0: `osInfo()` added uefi (OS uses UEFI during startup)
- Version 4.18.0: `networkInterfaces()` added dhcp for mac os, added dhcp linux fallback
-- Version 4.17.0: `networkInterfaces()` added dhcp, dnsSuffix, ieee8021xAuth, ieee8021xState
- ...
You can find all changes here: [detailed changelog][changelog-url]
@@ -431,7 +431,9 @@ I also created a nice little command line tool called [mmon][mmon-github-url] (
| | [0].iface | X | X | X | X | X | interface |
| | [0].ifaceName | X | X | X | X | X | interface name (differs on Windows) |
| | [0].ip4 | X | X | X | X | X | ip4 address |
+| | [0].ip4subnet | X | X | X | X | X | ip4 subnet mask |
| | [0].ip6 | X | X | X | X | X | ip6 address |
+| | [0].ip6subnet | X | X | X | X | X | ip6 subnet mask |
| | [0].mac | X | X | X | X | X | MAC address |
| | [0].internal | X | X | X | X | X | true if internal interface |
| | [0].virtual | X | X | X | X | X | true if virtual interface |
diff --git a/docs/history.html b/docs/history.html
index 698ee92..f8f9e4a 100644
--- a/docs/history.html
+++ b/docs/history.html
@@ -83,6 +83,11 @@