diff --git a/data/aut-num/AS4242422554 b/data/aut-num/AS4242422554
index 9282e46e9..c7ba286f6 100644
--- a/data/aut-num/AS4242422554
+++ b/data/aut-num/AS4242422554
@@ -4,4 +4,4 @@ descr:              Peer with me at 1522268169@qq.com
 admin-c:            CHANG-DN42
 tech-c:             CHANG-DN42
 mnt-by:             CHANG-MNT
-source:             DN42
\ No newline at end of file
+source:             DN42
diff --git a/data/person/CHANG-DN42 b/data/person/CHANG-DN42
index 9081e948d..95e3177fe 100644
--- a/data/person/CHANG-DN42
+++ b/data/person/CHANG-DN42
@@ -3,4 +3,4 @@ e-mail:             1522268169@qq.com
 contact:            qq:1522268169
 nic-hdl:            CHANG-DN42
 mnt-by:             CHANG-MNT
-source:             DN42
\ No newline at end of file
+source:             DN42
diff --git a/data/route/172.20.15.224_28 b/data/route/172.20.15.224_28
index 7be2d9ab4..86547028f 100644
--- a/data/route/172.20.15.224_28
+++ b/data/route/172.20.15.224_28
@@ -2,4 +2,4 @@ route:              172.20.15.224/28
 descr:              for AS relationship research
 origin:             AS4242422554
 mnt-by:             CHANG-MNT
-source:             DN42
\ No newline at end of file
+source:             DN42