Подозрительные записи в логе *.err

mahnevmaxim

Новичок
Кто-нибудь знает, что означают следующие записи в логе:

150719 20:06:18 [Warning] IP address '222.186.190.5' could not be resolved: hostname nor servname provided, or not known
150720 1:11:15 [Warning] IP address '104.216.9.179' could not be resolved: hostname nor servname provided, or not known
150720 2:35:09 [Warning] IP address '61.157.96.116' could not be resolved: hostname nor servname provided, or not known
150720 3:49:15 [Warning] IP address '58.221.42.178' could not be resolved: hostname nor servname provided, or not known
150720 4:18:36 [Warning] IP address '180.225.99.148' could not be resolved: hostname nor servname provided, or not known
150720 8:04:14 [Warning] IP address '111.73.46.89' could not be resolved: hostname nor servname provided, or not known
150720 10:21:12 [Warning] IP address '118.193.154.153' could not be resolved: hostname nor servname provided, or not known
150720 12:07:15 [Warning] IP address '222.73.33.228' could not be resolved: hostname nor servname provided, or not known
150720 18:19:07 [Warning] IP address '222.186.15.104' could not be resolved: hostname nor servname provided, or not known
150720 21:12:52 [Warning] IP address '61.164.161.17' has been resolved to the host name '17.161.164.61.dial.wz.zj.dynamic.163data.com.cn', which resembles IPv4-address itself.
150720 23:37:50 [Warning] IP address '173.254.203.157' has been resolved to the host name '173.254.203.157.static.quadranet.com', which resembles IPv4-address itself.
150720 23:37:50 [Warning] IP address '173.254.203.157' has been resolved to the host name '173.254.203.157.static.quadranet.com', which resembles IPv4-address itself.
150721 12:19:55 [Warning] IP address '23.27.127.119' could not be resolved: hostname nor servname provided, or not known
150721 13:06:46 [Warning] IP address '124.173.123.42' could not be resolved: hostname nor servname provided, or not known
150721 17:04:25 [Warning] IP address '117.21.176.54' could not be resolved: hostname nor servname provided, or not known
150721 20:16:22 [Warning] IP address '173.254.203.104' has been resolved to the host name '173.254.203.104.static.quadranet.com', which resembles IPv4-address itself.
150721 23:25:31 [Warning] IP address '58.56.11.21' could not be resolved: hostname nor servname provided, or not known
150722 4:00:52 [Warning] IP address '222.186.52.213' could not be resolved: hostname nor servname provided, or not known
150722 7:07:07 [Warning] IP address '115.47.6.47' could not be resolved: hostname nor servname provided, or not known
150722 7:07:07 [Warning] IP address '115.47.6.47' could not be resolved: hostname nor servname provided, or not known
150722 8:55:04 [Warning] IP address '218.94.154.146' could not be resolved: hostname nor servname provided, or not known
150722 9:24:05 [Warning] IP address '111.9.116.45' could not be resolved: hostname nor servname provided, or not known
150722 9:55:44 [Warning] IP address '69.50.207.35' could not be resolved: hostname nor servname provided, or not known
150722 10:31:17 [Warning] IP address '222.186.42.59' could not be resolved: hostname nor servname provided, or not known
150722 21:37:06 [Warning] IP address '111.73.46.58' could not be resolved: hostname nor servname provided, or not known
150723 1:43:49 [Warning] IP address '222.186.34.226' could not be resolved: hostname nor servname provided, or not known
150723 3:44:40 [Warning] IP address '45.35.26.34' could not be resolved: hostname nor servname provided, or not known
150723 4:46:06 [Warning] IP address '122.226.102.9' could not be resolved: hostname nor servname provided, or not known
150723 10:42:37 [Warning] IP address '5.39.222.253' could not be resolved: hostname nor servname provided, or not known
150723 14:19:56 [Warning] IP address '221.194.44.151' could not be resolved: hostname nor servname provided, or not known
150724 3:17:55 [Warning] IP address '182.247.239.199' could not be resolved: hostname nor servname provided, or not known
150724 3:29:35 [Warning] IP address '218.201.159.230' could not be resolved: hostname nor servname provided, or not known
150724 5:08:13 [Warning] IP address '61.183.41.92' could not be resolved: hostname nor servname provided, or not known
150724 11:38:27 [Warning] IP address '121.40.127.187' could not be resolved: hostname nor servname provided, or not known
150724 21:23:33 [Warning] IP address '173.254.203.178' has been resolved to the host name '173.254.203.178.static.quadranet.com', which resembles IPv4-address itself.
150724 22:01:11 [Warning] IP address '222.215.156.27' could not be resolved: hostname nor servname provided, or not known
150725 1:41:30 [Warning] IP address '104.243.24.174' could not be resolved: hostname nor servname provided, or not known
150725 5:45:17 [Warning] IP address '123.183.209.12' could not be resolved: hostname nor servname provided, or not known
150725 6:32:53 [Warning] IP address '111.20.145.210' could not be resolved: hostname nor servname provided, or not known
150725 9:22:38 [Warning] IP address '218.77.187.190' could not be resolved: hostname nor servname provided, or not known
150725 22:23:36 [Warning] IP address '180.153.104.119' could not be resolved: hostname nor servname provided, or not known
150726 6:32:36 [Warning] IP address '69.165.70.25' could not be resolved: hostname nor servname provided, or not known
150726 11:46:05 [Warning] IP address '120.24.168.222' could not be resolved: hostname nor servname provided, or not known
150727 10:18:32 [Warning] IP address '122.136.46.9' has been resolved to the host name '9.46.136.122.adsl-pool.jlccptt.net.cn', which resembles IPv4-address itself.

И ещё момент: в одной таблице постоянно меняется поле, устанавливается значение -7222. В mysql эта цифра имеет какой-то скрытый смысл? Вообще ничего понять не могу.
 
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