河南广电网络搞网络劫持怎么破?

我们的服务器返回数据被河南广电网络劫持,插入了一些乱七八糟的数据,导致服务不可用,该怎么破?

河南广电网络返回的数据:
HTTP/1.1 200 OK
Date: Fri, 28 Apr 2017 11:22:17 GMT
Content-Type: application/json;charset=UTF-8
Access-Control-Allow-Credentials: true
Via: hngd_ax68.116
Transfer-Encoding: chunked
X-Via: 1.1 tjhtapp91.236:3800 (Cdn Cache Server V2.0), 1.1 henangd-a4-2-d68.32:8106 (Cdn Cache Server V2.0)
Connection: close

283
{“code”:1,”data”:{“ownerId”:16,”provinceId”:”410000″,”provinceName”:”河南省”,”cityId”:”410100″,”cityName”:”郑州市”,”countyId”:”410108″,”countyName”:”惠济区”,”villageId”:”410105170413rhrt”,”villageName”:”清华园”,”id”:9,”no”:”18:fe:34:e7:92:41″,”name”:”充值终端”,”deviceType”:”house_recharger”,”secret”:”FFFF19687336″,”houseId”:47,”houseName”:”17号楼1单元4楼西户”,”roomId”:-1,”roomName”:”公共区域”,”hardwareVersion”:”1.0.0″,”softwareVersion”:”1.2.1″,”wifiVersion”:”1.2.0″,”wifiPassword”:”yugongdev”,”routerSsid”:”TP-LINK_1EAO21″,”routerMac”:”14:75:90:80:1e:a0″,”routerWifiPassword”:”qwer1112kaida”},”message”:”成功”}
0

别的运营商返回的数据:
HTTP/1.1 200 OK
Date: Fri, 28 Apr 2017 11:26:30 GMT
Content-Type: application/json;charset=UTF-8
Connection: close
Access-Control-Allow-Credentials: true

{“code”:1,”data”:{“ownerId”:16,”provinceId”:”410000″,”provinceName”:”河南省”,”cityId”:”410100″,”cityName”:”郑州市”,”countyId”:”410108″,”countyName”:”惠济区”,”villageId”:”410105170413rhrt”,”villageName”:”清华园”,”id”:9,”no”:”18:fe:34:e7:92:41″,”name”:”充值终端”,”deviceType”:”house_recharger”,”secret”:”FFF304723122″,”houseId”:47,”houseName”:”17号楼1单元4楼西户”,”roomId”:-1,”roomName”:”公共区域”,”hardwareVersion”:”1.0.0″,”softwareVersion”:”1.2.1″,”wifiVersion”:”1.2.0″,”wifiPassword”:”yugongdev”,”routerSsid”:”YuGongDev”,”routerMac”:”7e:b1:5d:26:7d:19″,”routerWifiPassword”:”0222333444″},”message”:”成功”}