Strange site requests, character set. what is this?

Question

Apache HTTP Server

Hello.
I can't figure out what requests are being sent to my apache

188.229.40.63 - - [13/Feb/2019:13:52:33 +0000] "P;w)H\x1blE\x97\xa8\xa0\x04\x87\x1e\xbd\x15\xc0\xc9\x0ff\xac\xb5\x07\xeb\x96\xcd`\x8f\xf6\x85m\x89\x91S\xa7\x8b\xf6\xa4l\xf6\xfa\xc2\xa90\x1d\xbd\x94\xd3Z\xdemvk.\xe2\xbeX\xb6\x8b{\\D\x1b\x8a\xc1\xaf\xde\x06\x0e\xb9\xed8\xefF#\x81\xe0\x80\xfd\xb2\xfb\vt0\x1d\x14\xfa\xc8\x02\xa9\x0f\xf6\xf5\xbeU\x06\n" 400 0 "-" "-"
89.235.84.208 - - [13/Feb/2019:13:52:33 +0000] "\xd0\x03\xb4a\xcc\x1f\xa237\xab\xac\xa8\xb8\v\xd0\x8f\x01\xf5\xb2y\xca\xa5|Mv\xa7\xe6=\x81\xf1\x8e^9\x9b\x18!_P\xc0G\xa0'\xef\x82\x99\x14\x10\xcc\x8e\xeb\x9f\x01\x16(?\xf4\xb2\x8a\x9e|\xc9c\x8b\x11\x8c\x95\xf6`\x05-\xe0\x1dv\xd2\xf68#\xaaA\x8d\xdf\x97\xac\xbf\xd5\x0e%\x04\x18\xe5\xee\xa9\xf6\xdf\xae\xed\xa2a8.X\x96L(w[\x10\xd7\xad{5\x8e\xa9\x912\xb7\x91\b\x04/{\xf0\xd1`F\x98\x98\xcf&EJ\x0f\x02\x11\x0c\t\xf6\x93\xe0J\[email protected]\x93\x8d\x82\x82\xbbz\[email protected]\xc7\xca\xe21\x1d\xfb\x89\xeb-\x8d9j\x84\x90\n" 400 0 "-" "-"
151.238.171.65 - - [13/Feb/2019:13:52:33 +0000] "\xaa\xe9Lb\x1a\xb7\xcf\xabW\xb5\x98XB\x01s\x9e.!\x9b\xbd\x9a\x1e\xbf\xff\xb8\x1a\xa1`\x99\x92\v\xfa\x969\x03\xd2" 400 0 "-" "-"
89.235.84.208 - - [13/Feb/2019:13:52:33 +0000] "\xae\xe7\x12\x8aj\xde\x0f\xd5\xbav)\xb5\xd0/\x83r\xeb\x1a\xa5\xf3eh+\xbe\xa9L\xd0\x12\xcf\xab\xee\xd9\x11w\xea/\xddXe\x8e\xf2C\xbbO.\x8ef\x8f_\xe9\xf4\xcb\xcb1\xa9\xd3\xd4\xb3o.\xd8n\x0e\xac`\xd6*\xe8\x8c.\x84\xa2\xd4\xd9gB\v\xb4\x9a\x91\xc0\x83Q\xa7\xb9\x14\x95\xecEV\xc1\xfd\xbc\x8d\x1bP\xbbB\x1bs\x84\xb6\x99AE,Sz\xd7\x8aQ\xf0\xd4Z\xc6&\xe4\xc8O\xa8\xf8\xb5\xb5-C{'\x1c\xc26\xd7#Y\x9e\x19\x16\"\xef\x97)O`\x1c\x13\x87\xb87\x07\xb6tM$\xcb{\x8a\x94\x93\xb59\xeaFD'\xd5\x91h[dN\x03\xd7\xe2\xd9\x12\xe0.\xe7\x8ey\x9b\xf0\xc8O\xde\xb8\xf8\xb7\xea_\\\x9cL\x99h\x90\xe7_\xa3U\v1\x0c\x834`\x8b\x81\xf3=B\xb1K\x853\xdf\xbf#\xca\xfa.\x80\xb9|\x98>" 400 0 "-" "-"
188.229.40.63 - - [13/Feb/2019:13:52:33 +0000] "\xb9\x0fGcF\xbbt|\x852\xd9\x8f$%\xe0\xca\x93\xee\x9d\xcb7o>Pt\x98\xef\xa4mAp`a]\xfe\xc8\xfa\xb5\xd1\xe7\x81.G\xd3\xa0\x13K\xd6\x0c\xa2\bP\xaer\xe7\x9b\xc9\xe5\xf8\x86\xaf\x11Z\r\xcd\xf9H\x8f\xa37\x94p\x83\x14o\x0f\x9ct\x93\xb4\xad\xe8\x06\xe3:X\xd8\xca\xe4Z\x83\x01\x84\xe9\x01_E\x88\xbc\xcc\xa9\x03\xd9\xe7O\xd2Z\x854\x18\xf6\xde\x98\x02a\xe3%\xe4\x8f+\xf7\xb1\x0c|<\xd2\xb85\xed\xd2c&>[\x03\x8c8\xdd|\xe3\xef\xe0\x9e\xdd\xc6\x0f\xaf\x87Y\x05_\x1d>\x16\xb32/\xdc\x1d\xdd\xee\xb7\x9a\xd0\xda\xfc\r>m\xddBD\xe8:\x80\xc7v\x8b\xbd\xab4kh1C\xd0X\xed\x94Uk\x95\xc0#\xea\x97\xbdG\x0et\xd1\x8bD\xca\x87^\x06i\xbb\x8e5\x01\x96\xc3\xed\xdeK\x99lv\xc1\xd7\xdd\\#\x97\x13\xdb\xfe\x8b\x82\xee\xd2\x02\bY\x16\xc2\xb8\xb3\xe8w\xb0AQ(\x1c\xeb\x8dr)\x97}\xe6T!\xe7\xb5\xd5\xc1Z/\xbf2_\xa5\xe8\xac=\xc4\xa2Lr\xd0\xb7\x1fH\x7fe\v\xb5-\x8f\xee\x19\x85\x98\xbez\x1d\xbat\xc1\xc8\x88\x0e\x1e\x1a\xba\x8coU\xe9}nqL\xf5\x1a\xfd\xc2\xa2$\[email protected]\x06d\xf9c\x17\x13\xca\x91\xdc\xd2\xb3\xc0\xf2!\xb2'<\xd9\x1e\xfb\x9d\xb21\x0f&\xf4\xcb\x97\xbaq\x88o1Q\x98\xb7\x13\x1d)\xb0\xaa\xa1/\xfd\xd5*\xfac\xb3\xb9\b\xec\xd1(<%\x1a9\x9b;qL5\xb0Tgs\x1a\xc6-\xfd\xf3\x92\x93\x95a\xccn\xc9\xeb\t \xb5\x06*\x91\xdf\xb8<\xda\xfe\v\xf13\xd9|\xc1|\x17\xb8\r4\xa4g|\x91\x0e\x1c\xb4\xe3\x85\xbc?\xb1#\xcb\x06mg\x84\xe1\x9f|Z\xa1\x0cy\xa0C\xb9q\xed\x80\x07\x90V7\x83\x9a\xbe\x945\xc3\xb8" 400 0 "-" "-"
5.126.82.87 - - [13/Feb/2019:13:52:34 +0000] "\x17\x07\xabi\xa3/k$\xf0\x81t/L\x10!\xb6\xe9O\x14\x1dn\xf7\xfc\xbd\xb2\x10\xf7\xbd\xa1O+\xf7p\\\x15\x83\xb2\xbc_~\xf6\xb6\xc86\xfe\xb2#[email protected]}\n" 400 0 "-" "-"

server status

Answer 1

https://serverfault.com/questions/480126/strange-c...