For Dolphin 7.1.3+ versions only.
Run the following query in phpMyAdmin(or some other tool) for Dolphin database:
SET @iMaxOrder = (SELECT `Order` + 1 FROM `sys_page_compose` WHERE `Page` = 'pedit' AND `Column` = 2 ORDER BY `Order` DESC LIMIT 1);
INSERT INTO `sys_page_compose` (`Page`, `PageWidth`, `Desc`, `Caption`, `Column`, `Order`, `Func`, `Content`, `DesignBox`, `ColWidth`, `Visible`, `MinWidth`, `Cache`) VALUES
('pedit', '1140px', 'Show member''s IP', 'IP', 2, @iMaxOrder, 'PHP', 'if (!isAdmin()) return false;return bx_member_ip_get_last(bx_get(''ID''));', 11, 28.1, 'non,memb', 0, 0);
Clean db cache.
New block will be added to the second column on profile edit page for admin.