Mr. Hannigan is also an elected member of the Advisory Council of [[ARIN]]. Prior to this position, he was a representative for the Number Resource Organization Number Council.<ref>[https://www.arin.net/about_us/media/releases/20101022.html ARIN website]</ref> | Mr. Hannigan is also an elected member of the Advisory Council of [[ARIN]]. Prior to this position, he was a representative for the Number Resource Organization Number Council.<ref>[https://www.arin.net/about_us/media/releases/20101022.html ARIN website]</ref> |