diff --git a/etc/systemd/network/brn.ns2.grapheneos.org.network b/etc/systemd/network/brn.ns2.grapheneos.org.network
index 20442c5..23b81db 100644
--- a/etc/systemd/network/brn.ns2.grapheneos.org.network
+++ b/etc/systemd/network/brn.ns2.grapheneos.org.network
@@ -5,7 +5,11 @@ Name=public
 LinkLocalAddressing=no
 Address=107.189.3.168/24
 Address=2605:6400:30:ec25:102c:af6d:5be:1eb8/128
+
+# 2602:f4d9:1::/48 anycast subnet for ns2 instances
 Address=2602:f4d9:1::1/128
+
+# anycast address for BuyVM ns2 instances
 Address=198.251.90.93/32
 
 [Route]
diff --git a/etc/systemd/network/fra.ns1.grapheneos.org.network b/etc/systemd/network/fra.ns1.grapheneos.org.network
index 2ad438c..e9110cd 100644
--- a/etc/systemd/network/fra.ns1.grapheneos.org.network
+++ b/etc/systemd/network/fra.ns1.grapheneos.org.network
@@ -3,6 +3,8 @@ Name=public
 
 [Network]
 DHCP=ipv4
+
+# 2602:f4d9::/48 anycast subnet for ns1 instances
 Address=2602:f4d9::1/128
 
 [DHCP]
diff --git a/etc/systemd/network/las.ns2.grapheneos.org.network b/etc/systemd/network/las.ns2.grapheneos.org.network
index 50a8fdd..c1c25fe 100644
--- a/etc/systemd/network/las.ns2.grapheneos.org.network
+++ b/etc/systemd/network/las.ns2.grapheneos.org.network
@@ -5,7 +5,11 @@ Name=public
 LinkLocalAddressing=no
 Address=205.185.124.155/24
 Address=2605:6400:20:1c8f:a0c9:372d:482e:945b/128
+
+# 2602:f4d9:1::/48 anycast subnet for ns2 instances
 Address=2602:f4d9:1::1/128
+
+# anycast address for BuyVM ns2 instances
 Address=198.251.90.93/32
 
 [Route]
diff --git a/etc/systemd/network/lax.ns1.grapheneos.org.network b/etc/systemd/network/lax.ns1.grapheneos.org.network
index 2ad438c..e9110cd 100644
--- a/etc/systemd/network/lax.ns1.grapheneos.org.network
+++ b/etc/systemd/network/lax.ns1.grapheneos.org.network
@@ -3,6 +3,8 @@ Name=public
 
 [Network]
 DHCP=ipv4
+
+# 2602:f4d9::/48 anycast subnet for ns1 instances
 Address=2602:f4d9::1/128
 
 [DHCP]
diff --git a/etc/systemd/network/mia.ns1.grapheneos.org.network b/etc/systemd/network/mia.ns1.grapheneos.org.network
index 2ad438c..e9110cd 100644
--- a/etc/systemd/network/mia.ns1.grapheneos.org.network
+++ b/etc/systemd/network/mia.ns1.grapheneos.org.network
@@ -3,6 +3,8 @@ Name=public
 
 [Network]
 DHCP=ipv4
+
+# 2602:f4d9::/48 anycast subnet for ns1 instances
 Address=2602:f4d9::1/128
 
 [DHCP]
diff --git a/etc/systemd/network/mia.ns2.grapheneos.org.network b/etc/systemd/network/mia.ns2.grapheneos.org.network
index d1dfff2..8525a54 100644
--- a/etc/systemd/network/mia.ns2.grapheneos.org.network
+++ b/etc/systemd/network/mia.ns2.grapheneos.org.network
@@ -5,7 +5,11 @@ Name=public
 LinkLocalAddressing=no
 Address=45.61.188.113/24
 Address=2605:6400:40:ffbd:14e7:d270:fd75:600c/128
+
+# 2602:f4d9:1::/48 anycast subnet for ns2 instances
 Address=2602:f4d9:1::1/128
+
+# anycast address for BuyVM ns2 instances
 Address=198.251.90.93/32
 
 [Route]
diff --git a/etc/systemd/network/nyc.ns1.grapheneos.org.network b/etc/systemd/network/nyc.ns1.grapheneos.org.network
index 2ad438c..e9110cd 100644
--- a/etc/systemd/network/nyc.ns1.grapheneos.org.network
+++ b/etc/systemd/network/nyc.ns1.grapheneos.org.network
@@ -3,6 +3,8 @@ Name=public
 
 [Network]
 DHCP=ipv4
+
+# 2602:f4d9::/48 anycast subnet for ns1 instances
 Address=2602:f4d9::1/128
 
 [DHCP]
diff --git a/etc/systemd/network/nyc.ns2.grapheneos.org.network b/etc/systemd/network/nyc.ns2.grapheneos.org.network
index a669a1c..5d1d4a0 100644
--- a/etc/systemd/network/nyc.ns2.grapheneos.org.network
+++ b/etc/systemd/network/nyc.ns2.grapheneos.org.network
@@ -5,7 +5,11 @@ Name=public
 LinkLocalAddressing=no
 Address=198.98.53.141/24
 Address=2605:6400:10:102e:95bc:89ef:2e7f:49bb/128
+
+# 2602:f4d9:1::/48 anycast subnet for ns2 instances
 Address=2602:f4d9:1::1/128
+
+# anycast address for BuyVM ns2 instances
 Address=198.251.90.93/32
 
 [Route]
diff --git a/etc/systemd/network/sea.ns1.grapheneos.org.network b/etc/systemd/network/sea.ns1.grapheneos.org.network
index 2ad438c..e9110cd 100644
--- a/etc/systemd/network/sea.ns1.grapheneos.org.network
+++ b/etc/systemd/network/sea.ns1.grapheneos.org.network
@@ -3,6 +3,8 @@ Name=public
 
 [Network]
 DHCP=ipv4
+
+# 2602:f4d9::/48 anycast subnet for ns1 instances
 Address=2602:f4d9::1/128
 
 [DHCP]
diff --git a/etc/systemd/network/sin.ns1.grapheneos.org.network b/etc/systemd/network/sin.ns1.grapheneos.org.network
index 2ad438c..e9110cd 100644
--- a/etc/systemd/network/sin.ns1.grapheneos.org.network
+++ b/etc/systemd/network/sin.ns1.grapheneos.org.network
@@ -3,6 +3,8 @@ Name=public
 
 [Network]
 DHCP=ipv4
+
+# 2602:f4d9::/48 anycast subnet for ns1 instances
 Address=2602:f4d9::1/128
 
 [DHCP]