enterprise edition changed to developer edition all of a sudden

enterprise edition changed to developer edition all of a sudden

Kindly find below in for maion got from logs

07/29 09:44:32 INFO License Service: Flex 1.5 CF Edition enabled

07/29 09:44:32 INFO Starting Flex 1.5 CF Edition

07/29 09:44:33 Information [main] - Enterprise Edition enabled

07/29 09:46:01 INFO License Service: Flex 1.5 CF Edition enabled

07/29 09:46:01 INFO Starting Flex 1.5 CF Edition

07/29 09:46:02 Information [main] - Enterprise Edition enabled

07/30 12:09:25 INFO License Service: Flex 1.5 CF Edition enabled

07/30 12:09:25 INFO Starting Flex 1.5 CF Edition

07/30 12:09:26 Information [main] - Evaluation Edition enabled

07/30 12:10:18 INFO License Service: Flex 1.5 CF Edition enabled

07/30 12:10:18 INFO Starting Flex 1.5 CF Edition

...

08/20 15:11:04 INFO License Service: Flex 1.5 CF Edition enabled

08/20 15:11:04 INFO Starting Flex 1.5 CF Edition

08/20 15:11:06 Information [main] - Evaluation Edition enabled

09/03 10:16:54 INFO License Service: Flex 1.5 CF Edition enabled

09/03 10:16:54 INFO Starting Flex 1.5 CF Edition

09/03 10:16:56 Information [main] - Developer Edition enabled

09/03 10:18:40 Error [jrpp-3] - A License exception has occurred.You tried to access the Developer Edition from a disallowed IP address (172.29.37.26). The Developer Edition can only be accessed from 127.0.0.1 and two additional IP addresses.  The additional IP addresses are: 172.30.67.33,172.29.43.106 The specific sequence of files included or processed is: ''''

Kindly do need ful in this issue.