access_log 에서 수상한 접근이 있는것 같습니다...

안녕하세요?

최근에 불특정 도메인으로 무작위 접근이 있는것 같은데요
일반적으로 access 로그파일에 IP 로 보여지지만 이건
모두 불특정 도메인으로 나타나고 있습니다.
로그 화일에 아래와 같은 내용이 끊이질 않고 나오는데 어떻게 대처해야하는지
꼭 좀 답변 부탁드립니다.(정말 답답합니다.)

그럼 수고하세요

로그 화일내용----------------------------------------------------

ns.foxracing.com - - [20/Dec/2003:01:59:57 +0900] "GET /2040PW-web/2040-r5.jpg HTTP/1.1" 200 169069
ns.foxracing.com - - [20/Dec/2003:02:00:02 +0900] "GET /2040PW-web/2040-r7.jpg HTTP/1.1" 200 178803
220.73.159.85 - - [20/Dec/2003:02:00:03 +0900] "GET / HTTP/1.0" 200 345
ns.foxracing.com - - [20/Dec/2003:02:00:04 +0900] "GET /2040PW-web/2040-m1.jpg HTTP/1.1" 200 150247
ns.foxracing.com - - [20/Dec/2003:02:00:05 +0900] "GET /2040PW-web/2040-m2.jpg HTTP/1.1" 200 168105
ns.foxracing.com - - [20/Dec/2003:02:00:08 +0900] "GET /2040PW-web/2040-m3.jpg HTTP/1.1" 200 90277
220.95.221.70 - - [20/Dec/2003:02:00:08 +0900] "GET /new/ex/imgs/movie_player_01.gif HTTP/1.1" 200 2272
ns.foxracing.com - - [20/Dec/2003:02:00:13 +0900] "GET /2040PW-web/2040-m4.jpg HTTP/1.1" 200 128211
crawl13.googlebot.com - - [20/Dec/2003:02:00:30 +0900] "GET /g4_content.htm?page=2&idx=169 HTTP/1.0" 200 28408
218.157.217.169 - - [20/Dec/2003:02:00:52 +0900] "GET /nkino_singles/event.txt HTTP/1.1" 404 294
220.75.1.248 - - [20/Dec/2003:02:01:08 +0900] "GET / HTTP/1.1" 200 716
j3165.inktomisearch.com - - [20/Dec/2003:02:01:12 +0900] "GET /amember/pass_search.htm HTTP/1.0" 200 3867
crawl13.googlebot.com - - [20/Dec/2003:02:01:30 +0900] "GET /g4_content.htm?page=2&idx=209 HTTP/1.0" 200 28788
211.44.208.59 - - [20/Dec/2003:02:01:42 +0900] "GET /pop/bu.gif HTTP/1.1" 304 -
lpz2-t3-2.mcbone.net - - [20/Dec/2003:02:01:53 +0900] "GET /image/samteguk.gif HTTP/1.0" 200 1270
lpz2-t3-2.mcbone.net - - [20/Dec/2003:02:01:53 +0900] "GET /image/disk2.gif HTTP/1.0" 200 178
lpz2-t3-2.mcbone.net - - [20/Dec/2003:02:01:53 +0900] "GET /music/album_9.htm HTTP/1.0" 200 51566
lpz2-t3-2.mcbone.net - - [20/Dec/2003:02:01:55 +0900] "GET /music/album9_three_full.jpg HTTP/1.0" 200 24507
lpz2-t3-2.mcbone.net - - [20/Dec/2003:02:01:55 +0900] "GET /music/album9_three_hahn_s.jpg HTTP/1.0" 200 2770
lpz2-t3-2.mcbone.net - - [20/Dec/2003:02:01:56 +0900] "GET /music/album9_three_kim_s.jpg HTTP/1.0" 200 2770
lpz2-t3-2.mcbone.net - - [20/Dec/2003:02:02:00 +0900] "GET /music/album9_three_lee_s.jpg HTTP/1.0" 200 3108
lpz2-t3-2.mcbone.net - - [20/Dec/2003:02:02:00 +0900] "GET /image/lyric.gif HTTP/1.0" 200 1162
lpz2-t3-2.mcbone.net - - [20/Dec/2003:02:02:02 +0900] "GET /image/wma.gif HTTP/1.0" 200 994
220.95.32.223 - - [20/Dec/2003:02:02:03 +0900] "GET /621/%B3%AB%B7%DA%B9%E6%C1%F6%B4%EB%C3%A5%B8%F0%C0%BD.htm HTTP/1.1" 404 297
lpz2-t3-2.mcbone.net - - [20/Dec/2003:02:02:03 +0900] "GET /image/blue2_5.gif HTTP/1.0" 200 115
lpz2-t3-2.mcbone.net - - [20/Dec/2003:02:02:05 +0900] "GET /music/album9_gomin_full.jpg HTTP/1.0" 200 32171
narr-nyforsgatan.campus.mdh.se - - [20/Dec/2003:02:02:09 +0900] "GET / HTTP/1.1" 200 13736
66.150.40.221 - - [20/Dec/2003:02:02:15 +0900] "HEAD /new/introduction/map.htm HTTP/1.1" 200 0
wfp2.almaden.ibm.com - - [20/Dec/2003:02:02:16 +0900] "GET /robots.txt HTTP/1.0" 404 273
j3158.inktomisearch.com - - [20/Dec/2003:02:02:21 +0900] "GET /zb41/zboard.php?id=yuyu008 HTTP/1.0" 200 55384
crawl25-public.alexa.com - - [20/Dec/2003:02:02:26 +0900] "GET /robots.txt HTTP/1.0