http://ianzag.megasignal.com/ftp/pub/doc/books/ has been crawled 17 times going all the way back to April 26, 2005.

A crawl can be a duplicate of the last one. It happens about 25% of the time across 420,000,000 websites. FAQ
Jan

January 1, 2006

1 snapshot

1

January 2, 2006

1 snapshot

2
3
4

January 5, 2006

1 snapshot

5
6
7

January 8, 2006

1 snapshot

8

January 9, 2006

1 snapshot

9

January 10, 2006

1 snapshot

10

January 11, 2006

1 snapshot

11

January 12, 2006

1 snapshot

12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Feb
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
Mar

March 1, 2006

1 snapshot

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Apr
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
May
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Jun
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Jul
1

July 2, 2006

1 snapshot

2
3
4
5
6
7

July 8, 2006

1 snapshot

8
9
10
11
12
13

July 14, 2006

1 snapshot

14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Aug
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Sep
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Oct
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21

October 22, 2006

1 snapshot

22
23
24
25
26
27
28
29

October 30, 2006

1 snapshot

30
31
Nov
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Dec
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31

Note

This calendar view maps the number of times http://ianzag.megasignal.com/ftp/pub/doc/books/ was crawled by the Wayback Machine, not how many times the site was actually updated. More info in the FAQ.