http://ikura.2ch.net/i4004/?oldwindow=true has been crawled 18 times going all the way back to 3月 27, 2013.

A crawl can be a duplicate of the last one. It happens about 25% of the time across 420,000,000 websites. FAQ
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3月 27, 2013

1 snapshot

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3月 31, 2013

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4月 16, 2013

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4月 29, 2013

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5月 5, 2013

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5月 9, 2013

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5月 26, 2013

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5月 29, 2013

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5月 31, 2013

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6月 4, 2013

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6月 7, 2013

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6月 10, 2013

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Note

This calendar view maps the number of times http://ikura.2ch.net/i4004/?oldwindow=true was crawled by the Wayback Machine, not how many times the site was actually updated. More info in the FAQ.