diff --git a/README.md b/README.md
index 3e135a5..9c4265c 100644
--- a/README.md
+++ b/README.md
@@ -24,6 +24,7 @@ Got tricks? Join us on Telegram: [https://t.me/thcorg](https://t.me/thcorg)
    1. [Monitor all new TCP connections](#mtc-anchor)
    1. [Alert on all new TCP connections](#atc-anchor)
    1. [Find your public IP address](#pip-anchor)
+   1. [Check reachability from around the world](#pingpe-anchor)
 1. [File Encoding and Transfer](#fe-anchor)
    1. [uuencode](#feu-anchor)
    1. [openssl](#feo-anchor)
@@ -217,6 +218,11 @@ Get geolocation information about any IP address:
 curl https://ipinfo.io/8.8.8.8 | jq
 ```
 
+<a id="pingpe-anchor"></a>
+**3.vi. Check reachability from around the world**
+
+The fine people at [https://ping.pe/](https://ping.pe/) let you ping a host from around the world, check TCP ports, resolve a domain name, ...and many other things.
+
 ---
 <a id="fe-anchor"></a>
 <a id="feu-anchor"></a>