mysql> describe loginnotify_seen_net;
+-----------------+----------------------+------+-----+---------+----------------+
| Field | Type | Null | Key | Default | Extra |
+-----------------+----------------------+------+-----+---------+----------------+
| lsn_id | int(10) unsigned | NO | PRI | NULL | auto_increment |
| lsn_time_bucket | smallint(5) unsigned | NO | | NULL | |
| lsn_user | int(10) unsigned | NO | MUL | NULL | |
| lsn_subnet | bigint(20) | NO | | NULL | |
+-----------------+----------------------+------+-----+---------+----------------+
