3

2015 2016 2017. 8. 31.

ISPs 94 94 93

Independent IP Users

157 163 166

Total 251 257 259

2015 2016 2017. 8. 31.

ASN Users 670 681 684

2015 2016 Aug 31, 2017

IPv4 112,335,104 112,378,112 112,382,464

112,378,112

-

20,000,000

40,000,000

60,000,000

80,000,000

100,000,000

120,000,000

2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016

4

2015 2016 Aug 31, 2017

IPv6 5,245 5,249 5,252

5

11 15 18 31

4,145

5,185 5,191 5,198 5,201 5,209 5,219 5,229 5,240 5,245 5,245 5,249

-

1,000

2,000

3,000

4,000

5,000

6,000

2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016

6

2015 2016 Aug 31, 2017

2-byte ASN 895 (789) 895 (806) 895 (804)

4-byte ASN 110 (-) 110 (-) 110 (-)

415 527 529 538 593 644

745 795 845 895 895 895 895 895 895 895

- - - - - - 10 10 10 10 110 110 110 110 110 110

-

500

1,000

2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016

2-byte ASN 4-byte ASN

8

9

10

Recursive DNS

DNS Query Analysis (ISP)

.kr DNS Query Analysis (KRNIC)

Analysis result(C&C,

DGA, …)

Analysis result(C&C, DGA,

…)

ISP-KISA

11