diff --git a/.github/workflows/update.yml b/.github/workflows/update.yml
index 8d09fc23..7df89642 100644
--- a/.github/workflows/update.yml
+++ b/.github/workflows/update.yml
@@ -19,11 +19,12 @@ jobs:
           bash digitalocean/downloader.sh
           bash bing/downloader.sh
           bash github/downloader.sh
+          bash facebook/downloader.sh
 
       - name: Create All-In-One ranges
         run: |
-          cat google/ipv4.txt amazon/ipv4.txt microsoft/ipv4.txt oracle/ipv4.txt digitalocean/ipv4.txt bing/ipv4.txt github/ipv4.txt | sort -h > all/ipv4.txt
-          cat google/ipv6.txt amazon/ipv6.txt microsoft/ipv6.txt digitalocean/ipv6.txt github/ipv6.txt | sort -h > all/ipv6.txt
+          cat google/ipv4.txt amazon/ipv4.txt microsoft/ipv4.txt oracle/ipv4.txt digitalocean/ipv4.txt bing/ipv4.txt github/ipv4.txt facebook/ipv4.txt | sort -h > all/ipv4.txt
+          cat google/ipv6.txt amazon/ipv6.txt microsoft/ipv6.txt digitalocean/ipv6.txt github/ipv6.txt facebook/ipv6.txt | sort -h > all/ipv6.txt
 
       - name: Set up Python 3.7
         uses: actions/setup-python@v2
@@ -54,6 +55,7 @@ jobs:
           python utils/merge.py --source=digitalocean/ipv4.txt | sort -h > digitalocean/ipv4_merged.txt
           python utils/merge.py --source=bing/ipv4.txt | sort -h > bing/ipv4_merged.txt
           python utils/merge.py --source=github/ipv4.txt | sort -h > github/ipv4_merged.txt
+          python utils/merge.py --source=facebook/ipv4.txt | sort -h > facebook/ipv4_merged.txt
           python utils/merge.py --source=all/ipv4.txt | sort -h > all/ipv4_merged.txt
           # ipv6
           python utils/merge.py --source=google/ipv6.txt | sort -h > google/ipv6_merged.txt
@@ -63,6 +65,7 @@ jobs:
           python utils/merge.py --source=digitalocean/ipv6.txt | sort -h > digitalocean/ipv6_merged.txt
           # bing not provide ipv6
           python utils/merge.py --source=github/ipv6.txt | sort -h > github/ipv6_merged.txt
+          python utils/merge.py --source=facebook/ipv6.txt | sort -h > facebook/ipv6_merged.txt
           python utils/merge.py --source=all/ipv6.txt | sort -h > all/ipv6_merged.txt
 
       - name: Commit files
diff --git a/README.md b/README.md
index 5e2f71ad..530676f8 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # IPRanges
 
-List all IP ranges from: Google (Cloud & GoogleBot), Bing (Bingbot), Amazon (AWS), Microsoft (Azure), Oracle (Cloud), DigitalOcean and GitHub with daily updates.
+List all IP ranges from: Google (Cloud & GoogleBot), Bing (Bingbot), Amazon (AWS), Microsoft (Azure), Oracle (Cloud), DigitalOcean, GitHub and Facebook (Meta) with daily updates.
 
 All lists are obtained from public sources.
 
@@ -59,6 +59,13 @@ All addresses are stored in `.txt` files with CIDRs, where each range is on a ne
 - IPv6: https://raw.githubusercontent.com/lord-alfred/ipranges/main/github/ipv6.txt
 - IPv6 (merged): https://raw.githubusercontent.com/lord-alfred/ipranges/main/github/ipv6_merged.txt
 
+### Facebook (Meta)
+
+- IPv4: https://raw.githubusercontent.com/lord-alfred/ipranges/main/facebook/ipv4.txt
+- IPv4 (merged): https://raw.githubusercontent.com/lord-alfred/ipranges/main/facebook/ipv4_merged.txt
+- IPv6: https://raw.githubusercontent.com/lord-alfred/ipranges/main/facebook/ipv6.txt
+- IPv6 (merged): https://raw.githubusercontent.com/lord-alfred/ipranges/main/facebook/ipv6_merged.txt
+
 ## All-In-One IPs
 
 A list of IP addresses from all sources combined into one file.
diff --git a/facebook/downloader.sh b/facebook/downloader.sh
new file mode 100644
index 00000000..17e9cd7e
--- /dev/null
+++ b/facebook/downloader.sh
@@ -0,0 +1,33 @@
+#!/bin/bash
+
+# https://www.workplace.com/resources/tech/it-configuration/domain-whitelisting
+# https://www.irr.net/docs/list.html
+# https://bgp.he.net/search?search%5Bsearch%5D=facebook&commit=Search
+
+set -euo pipefail
+set -x
+
+
+# get from Autonomous System
+get_routes() {
+    whois -h riswhois.ripe.net -- "-i origin $1" | grep '^route' | awk '{ print $2; }'
+    whois -h whois.radb.net -- "-i origin $1" | grep '^route' | awk '{ print $2; }'
+    whois -h rr.ntt.net -- "-i origin $1" | grep '^route' | awk '{ print $2; }'
+    whois -h whois.rogerstelecom.net -- "-i origin $1" | grep '^route' | awk '{ print $2; }'
+    whois -h whois.bgp.net.br -- "-i origin $1" | grep '^route' | awk '{ print $2; }'
+}
+
+get_routes 'AS32934' > /tmp/facebook.txt
+get_routes 'AS63293' >> /tmp/facebook.txt
+
+
+# save ipv4
+grep -v ':' /tmp/facebook.txt > /tmp/facebook-ipv4.txt
+
+# save ipv6
+grep ':' /tmp/facebook.txt > /tmp/facebook-ipv6.txt
+
+
+# sort & uniq
+sort -h /tmp/facebook-ipv4.txt | uniq > facebook/ipv4.txt
+sort -h /tmp/facebook-ipv6.txt | uniq > facebook/ipv6.txt