diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..8f1bfc9
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,9 @@
+
+all:
+	make -C src
+
+clean:
+	make -C src clean
+
+ultra_clean:
+	make -C src ultra_clean
diff --git a/data/Makefile b/data/Makefile
new file mode 100644
index 0000000..476364a
--- /dev/null
+++ b/data/Makefile
@@ -0,0 +1,31 @@
+IP_DATA   = ../src/ip_data.c
+PROVIDERS = afrinic arin apnic lacnic ripencc
+DEST      = prefix_res_ipv4
+MD5 = $(addsuffix .md5,$(PROVIDERS))
+
+all: clean_md5 $(MD5) $(IP_DATA)
+
+clean_md5:
+	@rm -f $(MD5)
+
+$(PROVIDERS):
+	@$(foreach provider, $(PROVIDERS),\
+		wget "ftp://ftp.ripe.net/pub/stats/${provider}/delegated-${provider}-extended-latest" -O $(provider);)
+
+%.md5:%
+	@wget -q "ftp://ftp.ripe.net/pub/stats/$(basename $@)/delegated-$(basename $@)-extended-latest.md5" -O $@
+	@cat $@ | grep -oP '[0-9a-f]{32}' | tr -d '\n' > $@.tmp
+	@echo "  $(basename $@)" >> $@.tmp
+	@rm -f $@
+	@mv $@.tmp $@
+	@md5sum -c $@ || wget "ftp://ftp.ripe.net/pub/stats/$(basename $@)/delegated-$(basename $@)-extended-latest" -O $(basename $@) ; true
+
+$(DEST): $(PROVIDERS)
+	@cat $(PROVIDERS) | grep -v asn | grep -v summary | grep -v '#' | grep ipv4 | sort -n -k 4 -t '|' > $(DEST)
+
+$(IP_DATA): $(DEST)
+	@echo "Rebuild ip_data.c"
+	@./build_c_array.py > ../src/ip_data.c
+
+clean:
+	rm -f $(PROVIDERS) $(DEST) $(SHA1_FILE) $(MD5)
\ No newline at end of file
diff --git a/data/get_prefixs.sh b/data/get_prefixs.sh
deleted file mode 100755
index 25a1d58..0000000
--- a/data/get_prefixs.sh
+++ /dev/null
@@ -1,19 +0,0 @@
-#!/bin/bash
-
-PROVIDERS="afrinic arin apnic lacnic ripencc"
-DEST=prefix_res_ipv4
-SHA1_FILE=prefix_res_ipv4.sha1
-
-for provider in $PROVIDERS; do
-    wget "ftp://ftp.ripe.net/pub/stats/${provider}/delegated-${provider}-extended-latest" -O $provider
-done
-
-cat $PROVIDERS | grep -v asn | grep -v summary | grep -v '#' | grep ipv4 | sort -n -k 4 -t '|' > $DEST
-
-sha1sum -c $SHA1_FILE && exit
-
-sha1sum $DEST > $SHA1_FILE
-
-echo "Rebuild ip_data.c"
-
-./build_c_array.py > ../src/ip_data.c
diff --git a/src/Makefile b/src/Makefile
index f3af0f9..6a8efec 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -1,18 +1,32 @@
 
+BIN_DIR=../bin
 SRCS   = ip_to_geo.c test.c cmdline.c server.c
-TARGET = ip_to_geo
-CFLAGS = -Wall -lpthread -ggdb -O0
+TARGET = $(BIN_DIR)/ip_to_geo
+CFLAGS = -Wall
+LDFLAGS= -lpthread
 
-all: $(TARGET)
+ifneq ($(DEBUG),)
+CFLAGS += -ggdb -O0
+else
+CFLAGS += -O2
+endif
+
+all: $(BIN_DIR) ip_data.c $(TARGET)
+
+$(BIN_DIR):
+	@mkdir $(BIN_DIR)
 
 ip_data.c:
-	../data/get_prefixs.sh
+	make -C ../data
 
 cmdline.c: cmdline.ggo
 	gengetopt --input $^
 
 $(TARGET): $(SRCS)
-	gcc $(CFLAGS) $^ -o $@
+	gcc $(CFLAGS) $^ $(LDFLAGS) -o $@
 
 clean:
 	rm -f *~ $(TARGET)
+
+ultra_clean: clean
+	rm -f ip_data.c
diff --git a/src/ip_data.c b/src/ip_data.c
index dcf0d10..4cabfdc 100644
--- a/src/ip_data.c
+++ b/src/ip_data.c
@@ -658907,6 +658907,7 @@ static const ip_level ip__168_0_156_0__168_0_159_255;
 static const ip_level ip__168_0_160_0__168_0_163_255;
 static const ip_level ip__168_0_164_0__168_0_167_255;
 static const ip_level ip__168_0_168_0__168_0_171_255;
+static const ip_level ip__168_0_172_0__168_0_175_255;
 static const ip_level ip__168_0_176_0__168_0_179_255;
 static const ip_level ip__168_0_180_0__168_0_183_255;
 static const ip_level ip__168_0_184_0__168_0_187_255;
@@ -659298,15 +659299,24 @@ static const ip_level ip__168_0_164_0__168_0_167_255 = {
 };
 static const ip_level ip__168_0_168_0__168_0_171_255 = {
 	.prev = &ip__168_0_164_0__168_0_167_255,
-	.next = &ip__168_0_176_0__168_0_179_255,
+	.next = &ip__168_0_172_0__168_0_175_255,
 	.childs = NULL,
 	.start = 168,
 	.end = 171,
 	.average = 0,
 	.code = 190,
 };
-static const ip_level ip__168_0_176_0__168_0_179_255 = {
+static const ip_level ip__168_0_172_0__168_0_175_255 = {
 	.prev = &ip__168_0_168_0__168_0_171_255,
+	.next = &ip__168_0_176_0__168_0_179_255,
+	.childs = NULL,
+	.start = 172,
+	.end = 175,
+	.average = 0,
+	.code = 190,
+};
+static const ip_level ip__168_0_176_0__168_0_179_255 = {
+	.prev = &ip__168_0_172_0__168_0_175_255,
 	.next = &ip__168_0_180_0__168_0_183_255,
 	.childs = NULL,
 	.start = 176,
@@ -659535,6 +659545,7 @@ static const ip_level ip__168_90_84_0__168_90_87_255;
 static const ip_level ip__168_90_88_0__168_90_91_255;
 static const ip_level ip__168_90_92_0__168_90_95_255;
 static const ip_level ip__168_90_96_0__168_90_99_255;
+static const ip_level ip__168_90_100_0__168_90_103_255;
 static const ip_level ip__168_90_108_0__168_90_111_255;
 static const ip_level ip__168_90_112_0__168_90_115_255;
 static const ip_level ip__168_90_116_0__168_90_119_255;
@@ -659770,15 +659781,24 @@ static const ip_level ip__168_90_92_0__168_90_95_255 = {
 };
 static const ip_level ip__168_90_96_0__168_90_99_255 = {
 	.prev = &ip__168_90_92_0__168_90_95_255,
-	.next = &ip__168_90_108_0__168_90_111_255,
+	.next = &ip__168_90_100_0__168_90_103_255,
 	.childs = NULL,
 	.start = 96,
 	.end = 99,
 	.average = 0,
 	.code = 206,
 };
-static const ip_level ip__168_90_108_0__168_90_111_255 = {
+static const ip_level ip__168_90_100_0__168_90_103_255 = {
 	.prev = &ip__168_90_96_0__168_90_99_255,
+	.next = &ip__168_90_108_0__168_90_111_255,
+	.childs = NULL,
+	.start = 100,
+	.end = 103,
+	.average = 0,
+	.code = 190,
+};
+static const ip_level ip__168_90_108_0__168_90_111_255 = {
+	.prev = &ip__168_90_100_0__168_90_103_255,
 	.next = &ip__168_90_112_0__168_90_115_255,
 	.childs = NULL,
 	.start = 108,
@@ -660113,32 +660133,56 @@ static const ip_level ip__168_118_0_0__168_118_255_255;
 static const ip_level ip__168_119_0_0__168_119_255_255;
 static const ip_level ip__168_120_0_0__168_120_255_255;
 static const ip_level ip__168_121_0_0__168_121_3_255;
+static const ip_level ip__168_121_4_0__168_121_7_255;
+static const ip_level ip__168_121_8_0__168_121_11_255;
 static const ip_level ip__168_121_12_0__168_121_15_255;
 static const ip_level ip__168_121_20_0__168_121_23_255;
 static const ip_level ip__168_121_24_0__168_121_27_255;
+static const ip_level ip__168_121_28_0__168_121_31_255;
 static const ip_level ip__168_121_32_0__168_121_35_255;
 static const ip_level ip__168_121_36_0__168_121_39_255;
 static const ip_level ip__168_121_40_0__168_121_43_255;
 static const ip_level ip__168_121_44_0__168_121_47_255;
 static const ip_level ip__168_121_48_0__168_121_51_255;
 static const ip_level ip__168_121_52_0__168_121_55_255;
+static const ip_level ip__168_121_60_0__168_121_63_255;
 static const ip_level ip__168_121_64_0__168_121_67_255;
 static const ip_level ip__168_121_68_0__168_121_71_255;
 static const ip_level ip__168_121_72_0__168_121_75_255;
 static const ip_level ip__168_121_76_0__168_121_79_255;
 static const ip_level ip__168_121_84_0__168_121_87_255;
+static const ip_level ip__168_121_88_0__168_121_91_255;
+static const ip_level ip__168_121_116_0__168_121_119_255;
 
 static const ip_level ip__168_121_0_0__168_121_3_255 = {
 	.prev = NULL,
-	.next = &ip__168_121_12_0__168_121_15_255,
+	.next = &ip__168_121_4_0__168_121_7_255,
 	.childs = NULL,
 	.start = 0,
 	.end = 3,
 	.average = 0,
 	.code = 190,
 };
-static const ip_level ip__168_121_12_0__168_121_15_255 = {
+static const ip_level ip__168_121_4_0__168_121_7_255 = {
 	.prev = &ip__168_121_0_0__168_121_3_255,
+	.next = &ip__168_121_8_0__168_121_11_255,
+	.childs = NULL,
+	.start = 4,
+	.end = 7,
+	.average = 0,
+	.code = 190,
+};
+static const ip_level ip__168_121_8_0__168_121_11_255 = {
+	.prev = &ip__168_121_4_0__168_121_7_255,
+	.next = &ip__168_121_12_0__168_121_15_255,
+	.childs = NULL,
+	.start = 8,
+	.end = 11,
+	.average = 0,
+	.code = 190,
+};
+static const ip_level ip__168_121_12_0__168_121_15_255 = {
+	.prev = &ip__168_121_8_0__168_121_11_255,
 	.next = &ip__168_121_20_0__168_121_23_255,
 	.childs = NULL,
 	.start = 12,
@@ -660157,15 +660201,24 @@ static const ip_level ip__168_121_20_0__168_121_23_255 = {
 };
 static const ip_level ip__168_121_24_0__168_121_27_255 = {
 	.prev = &ip__168_121_20_0__168_121_23_255,
-	.next = &ip__168_121_32_0__168_121_35_255,
+	.next = &ip__168_121_28_0__168_121_31_255,
 	.childs = NULL,
 	.start = 24,
 	.end = 27,
 	.average = 0,
 	.code = 190,
 };
-static const ip_level ip__168_121_32_0__168_121_35_255 = {
+static const ip_level ip__168_121_28_0__168_121_31_255 = {
 	.prev = &ip__168_121_24_0__168_121_27_255,
+	.next = &ip__168_121_32_0__168_121_35_255,
+	.childs = NULL,
+	.start = 28,
+	.end = 31,
+	.average = 0,
+	.code = 190,
+};
+static const ip_level ip__168_121_32_0__168_121_35_255 = {
+	.prev = &ip__168_121_28_0__168_121_31_255,
 	.next = &ip__168_121_36_0__168_121_39_255,
 	.childs = NULL,
 	.start = 32,
@@ -660211,15 +660264,24 @@ static const ip_level ip__168_121_48_0__168_121_51_255 = {
 };
 static const ip_level ip__168_121_52_0__168_121_55_255 = {
 	.prev = &ip__168_121_48_0__168_121_51_255,
-	.next = &ip__168_121_64_0__168_121_67_255,
+	.next = &ip__168_121_60_0__168_121_63_255,
 	.childs = NULL,
 	.start = 52,
 	.end = 55,
 	.average = 0,
 	.code = 190,
 };
-static const ip_level ip__168_121_64_0__168_121_67_255 = {
+static const ip_level ip__168_121_60_0__168_121_63_255 = {
 	.prev = &ip__168_121_52_0__168_121_55_255,
+	.next = &ip__168_121_64_0__168_121_67_255,
+	.childs = NULL,
+	.start = 60,
+	.end = 63,
+	.average = 0,
+	.code = 207,
+};
+static const ip_level ip__168_121_64_0__168_121_67_255 = {
+	.prev = &ip__168_121_60_0__168_121_63_255,
 	.next = &ip__168_121_68_0__168_121_71_255,
 	.childs = NULL,
 	.start = 64,
@@ -660256,13 +660318,31 @@ static const ip_level ip__168_121_76_0__168_121_79_255 = {
 };
 static const ip_level ip__168_121_84_0__168_121_87_255 = {
 	.prev = &ip__168_121_76_0__168_121_79_255,
-	.next = NULL,
+	.next = &ip__168_121_88_0__168_121_91_255,
 	.childs = NULL,
 	.start = 84,
 	.end = 87,
 	.average = 0,
 	.code = 226,
 };
+static const ip_level ip__168_121_88_0__168_121_91_255 = {
+	.prev = &ip__168_121_84_0__168_121_87_255,
+	.next = &ip__168_121_116_0__168_121_119_255,
+	.childs = NULL,
+	.start = 88,
+	.end = 91,
+	.average = 0,
+	.code = 190,
+};
+static const ip_level ip__168_121_116_0__168_121_119_255 = {
+	.prev = &ip__168_121_88_0__168_121_91_255,
+	.next = NULL,
+	.childs = NULL,
+	.start = 116,
+	.end = 119,
+	.average = 0,
+	.code = 84,
+};
 static const ip_level ip__168_121_0_0__168_121_0_0;
 static const ip_level ip__168_122_0_0__168_122_255_255;
 static const ip_level ip__168_123_0_0__168_123_255_255;
@@ -816144,6 +816224,15 @@ static const ip_level ip__185_136_88_0__185_136_91_255;
 static const ip_level ip__185_136_92_0__185_136_95_255;
 static const ip_level ip__185_136_96_0__185_136_99_255;
 static const ip_level ip__185_136_100_0__185_136_103_255;
+static const ip_level ip__185_136_104_0__185_136_107_255;
+static const ip_level ip__185_136_108_0__185_136_111_255;
+static const ip_level ip__185_136_112_0__185_136_115_255;
+static const ip_level ip__185_136_116_0__185_136_119_255;
+static const ip_level ip__185_136_120_0__185_136_123_255;
+static const ip_level ip__185_136_124_0__185_136_127_255;
+static const ip_level ip__185_136_128_0__185_136_131_255;
+static const ip_level ip__185_136_132_0__185_136_135_255;
+static const ip_level ip__185_136_136_0__185_136_139_255;
 
 static const ip_level ip__185_136_0_0__185_136_3_255 = {
 	.prev = NULL,
@@ -816372,13 +816461,94 @@ static const ip_level ip__185_136_96_0__185_136_99_255 = {
 };
 static const ip_level ip__185_136_100_0__185_136_103_255 = {
 	.prev = &ip__185_136_96_0__185_136_99_255,
-	.next = NULL,
+	.next = &ip__185_136_104_0__185_136_107_255,
 	.childs = NULL,
 	.start = 100,
 	.end = 103,
 	.average = 0,
 	.code = 21,
 };
+static const ip_level ip__185_136_104_0__185_136_107_255 = {
+	.prev = &ip__185_136_100_0__185_136_103_255,
+	.next = &ip__185_136_108_0__185_136_111_255,
+	.childs = NULL,
+	.start = 104,
+	.end = 107,
+	.average = 0,
+	.code = 18,
+};
+static const ip_level ip__185_136_108_0__185_136_111_255 = {
+	.prev = &ip__185_136_104_0__185_136_107_255,
+	.next = &ip__185_136_112_0__185_136_115_255,
+	.childs = NULL,
+	.start = 108,
+	.end = 111,
+	.average = 0,
+	.code = 39,
+};
+static const ip_level ip__185_136_112_0__185_136_115_255 = {
+	.prev = &ip__185_136_108_0__185_136_111_255,
+	.next = &ip__185_136_116_0__185_136_119_255,
+	.childs = NULL,
+	.start = 112,
+	.end = 115,
+	.average = 0,
+	.code = 13,
+};
+static const ip_level ip__185_136_116_0__185_136_119_255 = {
+	.prev = &ip__185_136_112_0__185_136_115_255,
+	.next = &ip__185_136_120_0__185_136_123_255,
+	.childs = NULL,
+	.start = 116,
+	.end = 119,
+	.average = 0,
+	.code = 14,
+};
+static const ip_level ip__185_136_120_0__185_136_123_255 = {
+	.prev = &ip__185_136_116_0__185_136_119_255,
+	.next = &ip__185_136_124_0__185_136_127_255,
+	.childs = NULL,
+	.start = 120,
+	.end = 123,
+	.average = 0,
+	.code = 37,
+};
+static const ip_level ip__185_136_124_0__185_136_127_255 = {
+	.prev = &ip__185_136_120_0__185_136_123_255,
+	.next = &ip__185_136_128_0__185_136_131_255,
+	.childs = NULL,
+	.start = 124,
+	.end = 127,
+	.average = 0,
+	.code = 22,
+};
+static const ip_level ip__185_136_128_0__185_136_131_255 = {
+	.prev = &ip__185_136_124_0__185_136_127_255,
+	.next = &ip__185_136_132_0__185_136_135_255,
+	.childs = NULL,
+	.start = 128,
+	.end = 131,
+	.average = 0,
+	.code = 24,
+};
+static const ip_level ip__185_136_132_0__185_136_135_255 = {
+	.prev = &ip__185_136_128_0__185_136_131_255,
+	.next = &ip__185_136_136_0__185_136_139_255,
+	.childs = NULL,
+	.start = 132,
+	.end = 135,
+	.average = 0,
+	.code = 63,
+};
+static const ip_level ip__185_136_136_0__185_136_139_255 = {
+	.prev = &ip__185_136_132_0__185_136_135_255,
+	.next = NULL,
+	.childs = NULL,
+	.start = 136,
+	.end = 139,
+	.average = 0,
+	.code = 22,
+};
 static const ip_level ip__185_136_0_0__185_136_0_0;
 
 static const ip_level ip__185_1_0_0__185_1_0_0 = {
@@ -833564,7 +833734,8 @@ static const ip_level ip__188_114_96_0__188_114_111_255;
 static const ip_level ip__188_114_112_0__188_114_119_255;
 static const ip_level ip__188_114_120_0__188_114_127_255;
 static const ip_level ip__188_114_128_0__188_114_191_255;
-static const ip_level ip__188_114_192_0__188_114_207_255;
+static const ip_level ip__188_114_192_0__188_114_199_255;
+static const ip_level ip__188_114_200_0__188_114_207_255;
 static const ip_level ip__188_114_208_0__188_114_223_255;
 static const ip_level ip__188_114_224_0__188_114_255_255;
 
@@ -833615,24 +833786,33 @@ static const ip_level ip__188_114_120_0__188_114_127_255 = {
 };
 static const ip_level ip__188_114_128_0__188_114_191_255 = {
 	.prev = &ip__188_114_120_0__188_114_127_255,
-	.next = &ip__188_114_192_0__188_114_207_255,
+	.next = &ip__188_114_192_0__188_114_199_255,
 	.childs = NULL,
 	.start = 128,
 	.end = 191,
 	.average = 0,
 	.code = 14,
 };
-static const ip_level ip__188_114_192_0__188_114_207_255 = {
+static const ip_level ip__188_114_192_0__188_114_199_255 = {
 	.prev = &ip__188_114_128_0__188_114_191_255,
-	.next = &ip__188_114_208_0__188_114_223_255,
+	.next = &ip__188_114_200_0__188_114_207_255,
 	.childs = NULL,
 	.start = 192,
+	.end = 199,
+	.average = 0,
+	.code = 26,
+};
+static const ip_level ip__188_114_200_0__188_114_207_255 = {
+	.prev = &ip__188_114_192_0__188_114_199_255,
+	.next = &ip__188_114_208_0__188_114_223_255,
+	.childs = NULL,
+	.start = 200,
 	.end = 207,
 	.average = 0,
 	.code = 26,
 };
 static const ip_level ip__188_114_208_0__188_114_223_255 = {
-	.prev = &ip__188_114_192_0__188_114_207_255,
+	.prev = &ip__188_114_200_0__188_114_207_255,
 	.next = &ip__188_114_224_0__188_114_255_255,
 	.childs = NULL,
 	.start = 208,