diff --git a/data/aut-num/AS4242423088 b/data/aut-num/AS4242423088
index 83050d087..886c9290c 100644
--- a/data/aut-num/AS4242423088
+++ b/data/aut-num/AS4242423088
@@ -4,4 +4,4 @@ remarks:            SUNNET-AS
 admin-c:            SUNNET-DN42
 tech-c:             SUNNET-DN42
 mnt-by:             SUNNET-MNT
-source:             DN42
\ No newline at end of file
+source:             DN42
diff --git a/data/inetnum/172.21.100.128_25 b/data/inetnum/172.21.100.128_25
index 7bb275a93..e7a3c7547 100644
--- a/data/inetnum/172.21.100.128_25
+++ b/data/inetnum/172.21.100.128_25
@@ -7,4 +7,4 @@ admin-c:            SUNNET-DN42
 tech-c:             SUNNET-DN42
 mnt-by:             SUNNET-MNT
 status:             ASSIGNED
-source:             DN42
\ No newline at end of file
+source:             DN42
diff --git a/data/person/SUNNET-DN42 b/data/person/SUNNET-DN42
index 417a86e98..aa59d3f3d 100644
--- a/data/person/SUNNET-DN42
+++ b/data/person/SUNNET-DN42
@@ -3,4 +3,4 @@ contact:            126955@qq.com
 contact:            sunaihui@gmail.com
 nic-hdl:            SUNNET-DN42
 mnt-by:             SUNNET-MNT
-source:             DN42
\ No newline at end of file
+source:             DN42
diff --git a/data/route/172.21.100.128_25 b/data/route/172.21.100.128_25
index 3a2a28b99..8130f3c69 100644
--- a/data/route/172.21.100.128_25
+++ b/data/route/172.21.100.128_25
@@ -1,4 +1,4 @@
 route:              172.21.100.128/25
 origin:             AS4242423088
 mnt-by:             SUNNET-MNT
-source:             DN42
\ No newline at end of file
+source:             DN42