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21.center 通过本站PING检测服务借助全球分布的节点网络,来模拟用户从不同地理位置对网站进行访问时的网络延迟状况,实时反馈目标网站的响应速度与连接稳定性。
PING检测结果21.center2026-10-14 01:33:16
预估消耗 0 检测点,实际消耗以【检测点账单】为准
29

检测节点

响应时间分布 域名污染分布

污染比例:0%

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概览 被污染 (0) 状态码4XX (0) 客户端请求错误(请求的资源不存在、权限不足等) 状态码5XX (0) 服务器故障,处理请求时内部出错无法访问 响应超时 (2) 丢包 (0)
区域/运营商 响应最快 响应最慢 平均响应
全部 上海移动13.893ms 甘肃兰州电信80.398ms 41.468ms
电信 福建厦门电信25.613ms 甘肃兰州电信80.398ms 45.443ms
移动 上海移动13.893ms 青海西宁移动56.538ms 42.109ms
联通 安徽亳州联通21.554ms 海南三亚联通48.597ms 36.612ms
华东 上海移动13.893ms 江苏联通35.562ms 23.018ms
华北 天津电信28.424ms 内蒙古阿拉善盟移动50.588ms 39.93ms
华南 广东东莞电信30.754ms 海南三亚移动49.223ms 42.858ms
华中 河南洛阳移动36.148ms 湖北荆州联通37.207ms 36.678ms
西北 甘肃庆阳联通41.101ms 甘肃兰州电信80.398ms 55.205ms
西南 云南楚雄彝族自治州电信42.065ms 四川攀枝花电信46.207ms 44.136ms
东北 辽宁营口联通43.586ms -68.819ms 51.117ms
解析占比
全部 电信 移动 联通 被污染
121.40.177.174

121.40.177.174
解析失败
Ping检测详情
全部
响应超时 被污染 丢包
节点数:/
检测点
运营商 检测节点
解析IP 丢包率

最大时间

最小时间

平均时间

操作
电信 黑龙江
121.40.177.174 (浙江杭州阿里云)
0% 69.235 ms 68.488 ms 68.819 ms

发送:5

接收:5

包大小:64

详情:
PING 21.center (121.40.177.174): 56 data bytes
64 bytes from 121.40.177.174: seq=0 ttl=90 time=68.488 ms
64 bytes from 121.40.177.174: seq=1 ttl=90 time=68.504 ms
64 bytes from 121.40.177.174: seq=2 ttl=90 time=69.068 ms
64 bytes from 121.40.177.174: seq=3 ttl=90 time=69.235 ms
64 bytes from 121.40.177.174: seq=4 ttl=90 time=68.800 ms

--- 21.center ping statistics ---
5 packets transmitted, 5 packets received, 0% packet loss
round-trip min/avg/max = 68.488/68.819/69.235 ms
详情
详情 HTTP DNS PING
电信 福建厦门
121.40.177.174 (浙江杭州阿里云)
0% 32.945 ms 22.034 ms 25.613 ms

发送:5

接收:5

包大小:64

详情:
PING 21.center (121.40.177.174) 56(84) bytes of data.
64 bytes from 21.center (121.40.177.174): icmp_seq=1 ttl=91 time=23.567 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=2 ttl=91 time=32.945 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=3 ttl=91 time=26.985 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=4 ttl=91 time=22.034 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=5 ttl=91 time=22.532 ms

--- 21.center ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4108ms
rtt min/avg/max/mdev = 22.034/25.613/32.945/4.052 ms
详情
详情 HTTP DNS PING
电信 甘肃兰州
121.40.177.174 (浙江杭州阿里云)
0% 115.469 ms 37.773 ms 80.398 ms

发送:5

接收:5

包大小:64

详情:
PING 21.center (121.40.177.174) 56(84) bytes of data.
64 bytes from 21.center (121.40.177.174): icmp_seq=1 ttl=89 time=69.194 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=2 ttl=89 time=37.773 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=3 ttl=89 time=90.062 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=4 ttl=89 time=89.494 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=5 ttl=89 time=115.469 ms

--- 21.center ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4179ms
rtt min/avg/max/mdev = 37.773/80.398/115.469/25.878 ms
详情
详情 HTTP DNS PING
电信 广东东莞
121.40.177.174 (浙江杭州阿里云)
0% 32.317 ms 29.877 ms 30.754 ms

发送:5

接收:5

包大小:64

详情:
PING 21.center (121.40.177.174) 56(84) bytes of data.
64 bytes from 21.center (121.40.177.174): icmp_seq=1 ttl=90 time=31.200 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=2 ttl=90 time=32.317 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=3 ttl=90 time=30.354 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=4 ttl=90 time=29.877 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=5 ttl=90 time=30.025 ms

--- 21.center ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4064ms
rtt min/avg/max/mdev = 29.877/30.754/32.317/0.905 ms
详情
详情 HTTP DNS PING
电信 山西长治
121.40.177.174 (浙江杭州阿里云)
0% 41.527 ms 40.866 ms 41.266 ms

发送:5

接收:5

包大小:64

详情:
PING 21.center (121.40.177.174) 56(84) bytes of data.
64 bytes from 21.center (121.40.177.174): icmp_seq=1 ttl=90 time=41.393 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=2 ttl=90 time=41.527 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=3 ttl=90 time=40.866 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=4 ttl=90 time=41.403 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=5 ttl=90 time=41.142 ms

--- 21.center ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4139ms
rtt min/avg/max/mdev = 40.866/41.266/41.527/0.235 ms
详情
详情 HTTP DNS PING
电信 四川攀枝花
121.40.177.174 (浙江杭州阿里云)
0% 46.56 ms 45.038 ms 46.207 ms

发送:5

接收:5

包大小:64

详情:
PING 21.center (121.40.177.174) 56(84) bytes of data.
64 bytes from 21.center (121.40.177.174): icmp_seq=1 ttl=90 time=46.375 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=2 ttl=90 time=46.560 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=3 ttl=90 time=46.534 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=4 ttl=90 time=45.038 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=5 ttl=90 time=46.528 ms

--- 21.center ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4148ms
rtt min/avg/max/mdev = 45.038/46.207/46.560/0.588 ms
详情
详情 HTTP DNS PING
电信 天津
121.40.177.174 (浙江杭州阿里云)
0% 31.291 ms 27.359 ms 28.424 ms

发送:5

接收:5

包大小:64

详情:
PING 21.center (121.40.177.174) 56(84) bytes of data.
64 bytes from 21.center (121.40.177.174): icmp_seq=1 ttl=89 time=31.291 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=2 ttl=89 time=27.803 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=3 ttl=89 time=27.359 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=4 ttl=89 time=27.788 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=5 ttl=89 time=27.880 ms

--- 21.center ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4070ms
rtt min/avg/max/mdev = 27.359/28.424/31.291/1.444 ms
详情
详情 HTTP DNS PING
电信 云南楚雄彝族自治州
121.40.177.174 (浙江杭州阿里云)
0% 42.524 ms 41.878 ms 42.065 ms

发送:5

接收:5

包大小:64

详情:
PING 21.center (121.40.177.174) 56(84) bytes of data.
64 bytes from 21.center (121.40.177.174): icmp_seq=1 ttl=91 time=42.524 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=2 ttl=91 time=41.987 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=3 ttl=91 time=41.878 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=4 ttl=91 time=41.965 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=5 ttl=91 time=41.970 ms

--- 21.center ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4078ms
rtt min/avg/max/mdev = 41.878/42.065/42.524/0.232 ms
详情
详情 HTTP DNS PING
移动 甘肃庆阳
121.40.177.174 (浙江杭州阿里云)
0% 56.89 ms 55.105 ms 55.976 ms

发送:5

接收:5

包大小:64

详情:
PING 21.center (121.40.177.174) 56(84) bytes of data.
64 bytes from 21.center (121.40.177.174): icmp_seq=1 ttl=88 time=55.290 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=2 ttl=88 time=55.105 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=3 ttl=88 time=56.061 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=4 ttl=88 time=56.534 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=5 ttl=88 time=56.890 ms

--- 21.center ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4158ms
rtt min/avg/max/mdev = 55.105/55.976/56.890/0.690 ms
详情
详情 HTTP DNS PING
移动 海南三亚
121.40.177.174 (浙江杭州阿里云)
0% 49.741 ms 48.952 ms 49.223 ms

发送:5

接收:5

包大小:64

详情:
PING 21.center (121.40.177.174) 56(84) bytes of data.
64 bytes from 21.center (121.40.177.174): icmp_seq=1 ttl=91 time=49.741 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=2 ttl=91 time=48.994 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=3 ttl=91 time=48.952 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=4 ttl=91 time=49.224 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=5 ttl=91 time=49.205 ms

--- 21.center ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4149ms
rtt min/avg/max/mdev = 48.952/49.223/49.741/0.281 ms
详情
详情 HTTP DNS PING
移动 河南洛阳
121.40.177.174 (浙江杭州阿里云)
0% 36.309 ms 35.926 ms 36.148 ms

发送:5

接收:5

包大小:64

详情:
PING 21.center (121.40.177.174) 56(84) bytes of data.
64 bytes from 21.center (121.40.177.174): icmp_seq=1 ttl=91 time=36.309 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=2 ttl=91 time=36.125 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=3 ttl=91 time=36.160 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=4 ttl=91 time=36.219 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=5 ttl=91 time=35.926 ms

--- 21.center ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4109ms
rtt min/avg/max/mdev = 35.926/36.148/36.309/0.127 ms
详情
详情 HTTP DNS PING
移动 黑龙江绥化
121.40.177.174 (浙江杭州阿里云)
0% 48.992 ms 48.558 ms 48.801 ms

发送:5

接收:5

包大小:64

详情:
PING 21.center (121.40.177.174) 56(84) bytes of data.
64 bytes from 21.center (121.40.177.174): icmp_seq=1 ttl=89 time=48.992 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=2 ttl=89 time=48.948 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=3 ttl=89 time=48.818 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=4 ttl=89 time=48.558 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=5 ttl=89 time=48.690 ms

--- 21.center ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4143ms
rtt min/avg/max/mdev = 48.558/48.801/48.992/0.161 ms
详情
详情 HTTP DNS PING
移动 吉林长春
121.40.177.174 (浙江杭州阿里云)
0% 47.645 ms 46.19 ms 46.739 ms

发送:5

接收:5

包大小:64

详情:
PING 21.center (121.40.177.174) 56(84) bytes of data.
64 bytes from 21.center (121.40.177.174): icmp_seq=1 ttl=91 time=47.027 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=2 ttl=91 time=46.279 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=3 ttl=91 time=46.190 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=4 ttl=91 time=47.645 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=5 ttl=91 time=46.554 ms

--- 21.center ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4097ms
rtt min/avg/max/mdev = 46.190/46.739/47.645/0.539 ms
详情
详情 HTTP DNS PING
移动 江苏无锡
121.40.177.174 (浙江杭州阿里云)
0% 18.315 ms 18.083 ms 18.205 ms

发送:5

接收:5

包大小:64

详情:
PING 21.center (121.40.177.174) 56(84) bytes of data.
64 bytes from 21.center (121.40.177.174): icmp_seq=1 ttl=92 time=18.128 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=2 ttl=92 time=18.263 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=3 ttl=92 time=18.237 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=4 ttl=92 time=18.315 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=5 ttl=92 time=18.083 ms

--- 21.center ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4102ms
rtt min/avg/max/mdev = 18.083/18.205/18.315/0.086 ms
详情
详情 HTTP DNS PING
移动 辽宁盘锦
121.40.177.174 (浙江杭州阿里云)
0% 47.937 ms 47.375 ms 47.642 ms

发送:5

接收:5

包大小:64

详情:
PING 21.center (121.40.177.174) 56(84) bytes of data.
64 bytes from 21.center (121.40.177.174): icmp_seq=1 ttl=91 time=47.375 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=2 ttl=91 time=47.937 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=3 ttl=91 time=47.574 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=4 ttl=91 time=47.736 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=5 ttl=91 time=47.585 ms

--- 21.center ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4140ms
rtt min/avg/max/mdev = 47.375/47.642/47.937/0.186 ms
详情
详情 HTTP DNS PING
移动 内蒙古阿拉善盟
121.40.177.174 (浙江杭州阿里云)
0% 51.118 ms 49.792 ms 50.588 ms

发送:5

接收:5

包大小:64

详情:
PING 21.center (121.40.177.174): 56 data bytes
64 bytes from 121.40.177.174: seq=0 ttl=91 time=51.118 ms
64 bytes from 121.40.177.174: seq=1 ttl=91 time=50.610 ms
64 bytes from 121.40.177.174: seq=2 ttl=91 time=50.797 ms
64 bytes from 121.40.177.174: seq=3 ttl=91 time=49.792 ms
64 bytes from 121.40.177.174: seq=4 ttl=91 time=50.627 ms

--- 21.center ping statistics ---
5 packets transmitted, 5 packets received, 0% packet loss
round-trip min/avg/max = 49.792/50.588/51.118 ms
详情
详情 HTTP DNS PING
移动 青海西宁
121.40.177.174 (浙江杭州阿里云)
0% 56.776 ms 56.397 ms 56.538 ms

发送:5

接收:5

包大小:64

详情:
PING 21.center (121.40.177.174) 56(84) bytes of data.
64 bytes from 21.center (121.40.177.174): icmp_seq=1 ttl=86 time=56.776 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=2 ttl=86 time=56.624 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=3 ttl=86 time=56.414 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=4 ttl=86 time=56.479 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=5 ttl=86 time=56.397 ms

--- 21.center ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4146ms
rtt min/avg/max/mdev = 56.397/56.538/56.776/0.143 ms
详情
详情 HTTP DNS PING
移动 山西长治
121.40.177.174 (浙江杭州阿里云)
0% 40.099 ms 39.202 ms 39.441 ms

发送:5

接收:5

包大小:64

详情:
PING 21.center (121.40.177.174) 56(84) bytes of data.
64 bytes from 21.center (121.40.177.174): icmp_seq=1 ttl=92 time=40.099 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=2 ttl=92 time=39.242 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=3 ttl=92 time=39.279 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=4 ttl=92 time=39.383 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=5 ttl=92 time=39.202 ms

--- 21.center ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4054ms
rtt min/avg/max/mdev = 39.202/39.441/40.099/0.334 ms
详情
详情 HTTP DNS PING
移动 上海
121.40.177.174 (浙江杭州阿里云)
0% 21.904 ms 11.189 ms 13.893 ms

发送:5

接收:5

包大小:64

详情:
PING 21.center (121.40.177.174) 56(84) bytes of data.
64 bytes from 21.center (121.40.177.174): icmp_seq=1 ttl=91 time=11.189 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=2 ttl=91 time=11.445 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=3 ttl=91 time=11.329 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=4 ttl=91 time=21.904 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=5 ttl=91 time=13.597 ms

--- 21.center ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4106ms
rtt min/avg/max/mdev = 11.189/13.893/21.904/4.102 ms
详情
详情 HTTP DNS PING
联通 宁夏
121.40.177.174 (浙江杭州阿里云)
0% 42.405 ms 41.09 ms 42.01 ms

发送:5

接收:5

包大小:64

详情:
PING 21.center (121.40.177.174): 56 data bytes
64 bytes from 121.40.177.174: seq=0 ttl=88 time=42.262 ms
64 bytes from 121.40.177.174: seq=1 ttl=88 time=42.405 ms
64 bytes from 121.40.177.174: seq=2 ttl=88 time=41.090 ms
64 bytes from 121.40.177.174: seq=3 ttl=88 time=42.357 ms
64 bytes from 121.40.177.174: seq=4 ttl=88 time=41.937 ms

--- 21.center ping statistics ---
5 packets transmitted, 5 packets received, 0% packet loss
round-trip min/avg/max = 41.090/42.010/42.405 ms
详情
详情 HTTP DNS PING
联通 安徽亳州
121.40.177.174 (浙江杭州阿里云)
0% 21.904 ms 21.243 ms 21.554 ms

发送:5

接收:5

包大小:64

详情:
PING 21.center (121.40.177.174) 56(84) bytes of data.
64 bytes from 21.center (121.40.177.174): icmp_seq=1 ttl=91 time=21.456 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=2 ttl=91 time=21.308 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=3 ttl=91 time=21.904 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=4 ttl=91 time=21.856 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=5 ttl=91 time=21.243 ms

--- 21.center ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4104ms
rtt min/avg/max/mdev = 21.243/21.554/21.904/0.276 ms
详情
详情 HTTP DNS PING
联通 甘肃庆阳
121.40.177.174 (浙江杭州阿里云)
0% 43.002 ms 39.152 ms 41.101 ms

发送:5

接收:5

包大小:64

详情:
PING 21.center (121.40.177.174) 56(84) bytes of data.
64 bytes from 21.center (121.40.177.174): icmp_seq=1 ttl=91 time=40.513 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=2 ttl=91 time=41.043 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=3 ttl=91 time=39.152 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=4 ttl=91 time=43.002 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=5 ttl=91 time=41.796 ms

--- 21.center ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4075ms
rtt min/avg/max/mdev = 39.152/41.101/43.002/1.284 ms
详情
详情 HTTP DNS PING
联通 海南三亚
121.40.177.174 (浙江杭州阿里云)
0% 48.748 ms 48.43 ms 48.597 ms

发送:5

接收:5

包大小:64

详情:
PING 21.center (121.40.177.174) 56(84) bytes of data.
64 bytes from 21.center (121.40.177.174): icmp_seq=1 ttl=90 time=48.748 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=2 ttl=90 time=48.430 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=3 ttl=90 time=48.639 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=4 ttl=90 time=48.608 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=5 ttl=90 time=48.560 ms

--- 21.center ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4091ms
rtt min/avg/max/mdev = 48.430/48.597/48.748/0.103 ms
详情
详情 HTTP DNS PING
联通 湖北荆州
121.40.177.174 (浙江杭州阿里云)
0% 37.334 ms 36.972 ms 37.207 ms

发送:5

接收:5

包大小:64

详情:
PING 21.center (121.40.177.174): 56 data bytes
64 bytes from 121.40.177.174: seq=0 ttl=88 time=36.972 ms
64 bytes from 121.40.177.174: seq=1 ttl=88 time=37.266 ms
64 bytes from 121.40.177.174: seq=2 ttl=88 time=37.219 ms
64 bytes from 121.40.177.174: seq=3 ttl=88 time=37.334 ms
64 bytes from 121.40.177.174: seq=4 ttl=88 time=37.245 ms

--- 21.center ping statistics ---
5 packets transmitted, 5 packets received, 0% packet loss
round-trip min/avg/max = 36.972/37.207/37.334 ms
详情
详情 HTTP DNS PING
联通 江苏
121.40.177.174 (浙江杭州阿里云)
0% 36.026 ms 35.118 ms 35.562 ms

发送:5

接收:5

包大小:64

详情:
PING 21.center (121.40.177.174) 56(84) bytes of data.
64 bytes from 21.center (121.40.177.174): icmp_seq=1 ttl=91 time=35.515 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=2 ttl=91 time=35.118 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=3 ttl=91 time=36.026 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=4 ttl=91 time=35.674 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=5 ttl=91 time=35.477 ms

--- 21.center ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4093ms
rtt min/avg/max/mdev = 35.118/35.562/36.026/0.294 ms
详情
详情 HTTP DNS PING
联通 辽宁营口
121.40.177.174 (浙江杭州阿里云)
0% 43.923 ms 43.119 ms 43.586 ms

发送:5

接收:5

包大小:64

详情:
PING 21.center (121.40.177.174) 56(84) bytes of data.
64 bytes from 21.center (121.40.177.174): icmp_seq=1 ttl=90 time=43.923 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=2 ttl=90 time=43.778 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=3 ttl=90 time=43.230 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=4 ttl=90 time=43.879 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=5 ttl=90 time=43.119 ms

--- 21.center ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4109ms
rtt min/avg/max/mdev = 43.119/43.586/43.923/0.340 ms
详情
详情 HTTP DNS PING
联通 山东泰安
121.40.177.174 (浙江杭州阿里云)
0% 23.593 ms 22.935 ms 23.278 ms

发送:5

接收:5

包大小:64

详情:
PING 21.center (121.40.177.174) 56(84) bytes of data.
64 bytes from 21.center (121.40.177.174): icmp_seq=1 ttl=90 time=23.593 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=2 ttl=90 time=23.516 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=3 ttl=90 time=23.123 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=4 ttl=90 time=23.220 ms
64 bytes from 21.center (121.40.177.174): icmp_seq=5 ttl=90 time=22.935 ms

--- 21.center ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4070ms
rtt min/avg/max/mdev = 22.935/23.278/23.593/0.245 ms
详情
详情 HTTP DNS PING
联通 陕西西安
响应超时 0% * ms * ms * ms

发送:0

接收:0

包大小:64

详情:
21.center: lookup 21.center on 127.0.0.53:53: read udp 127.0.0.1:54299->127.0.0.53:53: i/o timeout
详情
详情 HTTP DNS PING
联通 四川成都
响应超时 0% * ms * ms * ms

发送:0

接收:0

包大小:64

详情:
21.center: resolve host "21.center": lookup 21.center: i/o timeout
详情
详情 HTTP DNS PING

查询结果仅供参考,不保证100%准确。

21.center 优化建议

1、建议将该站点的多地区ping检测纳入日常运维,当前均指向同一浙江杭州阿里云节点,可继续采用在线ping及多线路ping监控网络延迟稳定性。
2、可结合网站ping值检测与服务器延迟测试,持续观测平均响应差异,建议利用免费网站ping检测定期验证本地与远程访问的连通性。
3、针对网站ping丢包检测及实时状态监测,建议建立多地区ping基线,用专业平台对比不同区域的响应时间,优化服务器部署或接入CDN加速。

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更新时间 2026-10-14 05:24:02
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