Etymology and distribution of 網藤.

The Japanese surnames etymology dictionary.
https://play.google.com/store/apps/details?id=info.jigensha.jcedfreeGoogle Play で手に入れよう https://apps.apple.com/us/app/id1471109324
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Popuration of 網藤.

カンマ区切りで複数の名字を指定できます。

Etymology of 網藤

Distribution of 網藤
Ranking
1 Hiroshima-ken(About 30)
2 Fukushima-ken(About 30)
3 Kouchi-ken(About 10)
4 Saitama-ken(Very rare)
4 Toukyou-to(Very rare)
4 Fukuoka-ken(Very rare)
4 Ibaraki-ken(Very rare)