最低1元每月,拼好鸡,便宜的垃圾IPV4 NAT机,附香港观塘移动优化NAT机测试

时间: 2025-07-28 12:17:26
购买地址: https://www.lxc.wiki

全国Ping

来自: ITDOG
ping结果

去程路由

去程路由 去程路由 去程路由

网速测速

脚本: https://github.com/i-abc/speedtest
测速点 下载 Mbps 上传 Mbps 延迟 ms 抖动 ms
最近的测速点 161.22 223.76 8.87 3.7
电信浙江杭州 3.62 26.13 68.93 5.77
电信浙江宁波5G 5.31 54.95 208.3 122.11
移动四川成都 148.77 195.17 210.14 0.85
电信浙江杭州 1.6 4.5 59.6 32.7
电信浙江宁波5G 0.4 16.9 79.7 71
移动四川成都 157.5 249.5 55 36.6
美国纽约 11.5 37.5 0 0
美国阿什本 33 223 0 0
美国查尔斯顿 40.5 238 0 0
德国柏林 167 223 0 0
瑞士温特图尔 98 255 0 0
丹麦哥本哈根 21.3 161 0 0
瑞士沙夫豪森 44.8 247 0 0
德国诺德斯泰特 40.9 127 0 0
荷兰阿姆斯特丹 56.8 233 0 0
亚洲乌兹别克斯坦 46.1 221 0 0
大洋洲新喀里多尼亚 33.3 278 0 0
非洲突尼斯 45 186 0 0
非洲毛里求斯 55.4 48.6 0 0

系统信息

脚本: https://github.com/spiritLHLS/ecs
AES-NI指令集 ✔ Enabled
CPU 型号 Intel(R) Xeon(R) Platinum 8160M CPU @ 2.10GHz
CPU 核心数 2
CPU 缓存 L1 32.00 KB / L2 1.00 MB / L3 33.00 MB
CPU 频率 2095.076 MHz
IPV4 ASN AS213404 YesongIT Networks
IPV4 位置 Hong Kong / Hong Kong / HK
NAT类型 Port Restricted Cone
Swap [ no swap partition or swap file detected ]
TCP加速方式 bbr
VM-x/AMD-V支持 ✔ Enabled
内存 25.73 MiB / 488.28 MiB
内核 6.1.0-10-amd64
启动盘路径 /dev/loop3
架构 x86_64 (64 Bit)
硬盘空间 3.66 GiB / 27.94 GiB
系统 Debian GNU/Linux 12 (bookworm) (x86_64)
系统在线时间 0 days, 1 hour 41 min
虚拟化架构 LXC
负载 0.27, 0.37, 0.40

性能测试

脚本: https://github.com/spiritLHLS/ecs
CPU
单核
347
多核
300
Memory
读取
7487.85 MB/s
写入
5120.25 MB/s
Disk (dd)
顺序读
1.0 GB/s (992 IOPS, 1.01s)
顺序写
499 MB/s (476 IOPS, 2.10s)

IP质量

脚本: https://github.com/spiritLHLS/ecs
        数据仅作参考,不代表100%准确,如果和实际情况不一致请手动查询多个数据库比对
以下为各数据库编号,输出结果后将自带数据库来源对应的编号
ipinfo数据库  [0] | scamalytics数据库 [1] | virustotal数据库   [2] | abuseipdb数据库   [3] | ip2location数据库    [4]
ip-api数据库  [5] | ipwhois数据库     [6] | ipregistry数据库   [7] | ipdata数据库      [8] | db-ip数据库          [9]
ipapiis数据库 [A] | ipapicom数据库    [B] | bigdatacloud数据库 [C] | dkly数据库        [D] | ipqualityscore数据库 [E]
IPV4:
安全得分:
声誉(越高越好): 0 [2]
信任得分(越高越好): 81 [8]
VPN得分(越低越好): 6 [8]
代理得分(越低越好): 41 [8]
社区投票-无害: 0 [2]
社区投票-恶意: 0 [2]
威胁得分(越低越好): 9 [8]
欺诈得分(越低越好): 0 [1 E]
滥用得分(越低越好): 0 [3]
ASN滥用得分(越低越好): 0.0013 (Low) [A]
公司滥用得分(越低越好): 0.0039 (Low) [A]
威胁级别: low [9]
黑名单记录统计:(有多少黑名单网站有记录):
无害记录数: 0 [2]  恶意记录数: 0 [2] 可疑记录数: 0 [2]  无记录数: 94 [2]
安全信息:
使用类型: hosting [0 7 A] DataCenter/WebHosting/Transit [3] hosting - high probability [C] corporate [9]
公司类型: business [0] hosting [7 A]
是否云提供商: Yes [7]
是否数据中心: Yes [0 1 A C] No [5 6 8]
是否移动设备: Yes [E] No [5 A C]
是否代理: No [0 1 4 5 6 7 8 9 A C E]
是否VPN: No [0 1 6 7 A C E]
是否TorExit: No [1 7]
是否Tor出口: No [1 7]
是否网络爬虫: No [9 A E]
是否匿名: No [1 6 7 8]
是否攻击者: No [7 8]
是否滥用者: No [7 8 A C E]
是否威胁: No [7 8 C]
是否中继: No [0 7 8 C]
是否Bogon: No [7 8 A C]
是否机器人: No [E]
DNS-黑名单: 314(Total_Check) 0(Clean) 4(Blacklisted) 14(Other)
Google搜索可行性:NO
      

邮件端口检测

脚本: https://github.com/spiritLHLS/ecs
163
SMTP: ✔
POP3: ✔
IMAP: ✔
SMTP-SSL: ❌
POP3-SSL: ❌
IMAP-SSL: ❌
AOL
SMTP: ✔
POP3: ✔
IMAP: ❌
SMTP-SSL: ❌
POP3-SSL: ❌
IMAP-SSL: ❌
Apple
SMTP: ❌
POP3: ✔
IMAP: ❌
SMTP-SSL: ❌
POP3-SSL: ❌
IMAP-SSL: ❌
FastMail
SMTP: ❌
POP3: ✔
IMAP: ❌
SMTP-SSL: ❌
POP3-SSL: ❌
IMAP-SSL: ❌
Free_fr
SMTP: ❌
POP3: ✔
IMAP: ✔
SMTP-SSL: ❌
POP3-SSL: ✔
IMAP-SSL: ❌
GMX
SMTP: ✔
POP3: ✔
IMAP: ✔
SMTP-SSL: ❌
POP3-SSL: ✔
IMAP-SSL: ❌
Gmail
SMTP: ✔
POP3: ✔
IMAP: ❌
SMTP-SSL: ❌
POP3-SSL: ❌
IMAP-SSL: ❌
Inbox_eu
SMTP: ✔
POP3: ✔
IMAP: ✔
SMTP-SSL: ❌
POP3-SSL: ❌
IMAP-SSL: ❌
LocalPort
SMTP: ✔
POP3: ✔
IMAP: ✔
SMTP-SSL: ✔
POP3-SSL: ✔
IMAP-SSL: ✔
MXRoute
SMTP: ✔
POP3: ❌
IMAP: ✔
SMTP-SSL: ❌
POP3-SSL: ✔
IMAP-SSL: ❌
MailCOM
SMTP: ✔
POP3: ✔
IMAP: ✔
SMTP-SSL: ❌
POP3-SSL: ✔
IMAP-SSL: ❌
MailRU
SMTP: ✔
POP3: ✔
IMAP: ❌
SMTP-SSL: ❌
POP3-SSL: ✔
IMAP-SSL: ❌
Namecrane
SMTP: ✔
POP3: ✔
IMAP: ✔
SMTP-SSL: ❌
POP3-SSL: ✔
IMAP-SSL: ❌
Office365
SMTP: ✔
POP3: ❌
IMAP: ✔
SMTP-SSL: ❌
POP3-SSL: ✔
IMAP-SSL: ❌
Outlook
SMTP: ✔
POP3: ❌
IMAP: ✔
SMTP-SSL: ❌
POP3-SSL: ✔
IMAP-SSL: ❌
ProtonMail✘
SMTP: ❌
POP3: ❌
IMAP: ❌
SMTP-SSL: ❌
POP3-SSL: ❌
IMAP-SSL: ❌
QQ
SMTP: ✔
POP3: ✔
IMAP: ✔
SMTP-SSL: ❌
POP3-SSL: ✔
IMAP-SSL: ❌
Sina
SMTP: ✔
POP3: ❌
IMAP: ✔
SMTP-SSL: ❌
POP3-SSL: ✔
IMAP-SSL: ❌
Sohu
SMTP: ✔
POP3: ✔
IMAP: ✔
SMTP-SSL: ❌
POP3-SSL: ✔
IMAP-SSL: ❌
XYAMail
SMTP: ❌
POP3: ❌
IMAP: ❌
SMTP-SSL: ❌
POP3-SSL: ❌
IMAP-SSL: ❌
Yahoo
SMTP: ✔
POP3: ✔
IMAP: ❌
SMTP-SSL: ❌
POP3-SSL: ❌
IMAP-SSL: ❌
Yandex
SMTP: ✔
POP3: ✔
IMAP: ✔
SMTP-SSL: ❌
POP3-SSL: ✔
IMAP-SSL: ❌
ZohoMail
SMTP: ❌
POP3: ✔
IMAP: ❌
SMTP-SSL: ❌
POP3-SSL: ❌
IMAP-SSL: ❌

回程路由类型

脚本: https://github.com/spiritLHLS/ecs
上海电信v4 检测不到回程路由节点的IPV4地址
上海移动v4 移动CMI [普通线路]
上海联通v4 联通4837 [普通线路]
北京电信v4 电信CN2GIA [精品线路] 电信CTGNET [精品线路]
北京移动v4 移动CMI [普通线路]
北京联通v4 检测不到回程路由节点的IPV4地址
广州电信v4 电信163 [普通线路]
广州移动v4 移动CMI [普通线路]
广州联通v4 联通4837 [普通线路]
成都电信v4 电信CN2GT [优质线路] 电信163 [普通线路]
成都移动v4 移动CMI [普通线路]
成都联通v4 联通4837 [普通线路]

回程路由追踪

依次测试电信/联通/移动经过的地区及线路,核心程序来自nexttrace,请知悉!
广州电信 58.60.188.222
2.36 ms 	* RFC1918
3.71 ms 	AS51847 中国 香港 nearoute.io
1.12 ms 	* RFC1918
56.24 ms 	* [CN2-BackBone] 中国 广东 广州 CN2→163 chinatelecom.cn 电信
64.98 ms 	AS4134 [CHINANET-BB] 中国 广东 广州 www.chinatelecom.com.cn 电信
62.85 ms 	AS4134 [CHINANET-BB] 中国 广东 广州 www.chinatelecom.com.cn
67.90 ms 	AS134774 [CHINANET-GD] 中国 广东 深圳 chinatelecom.cn 电信
广州联通 210.21.196.6
0.77 ms 	* RFC1918
13.00 ms 	AS51847 中国 香港 nearoute.io
13.60 ms 	* RFC1918
42.02 ms 	AS3356 新加坡 lumen.com
174.58 ms 	AS3356 美国 加利福尼亚 洛杉矶 lumen.com
308.88 ms 	AS3356 美国 加利福尼亚 洛杉矶 lumen.com
* ms 	AS4837 [CU169-BACKBONE] 中国 广东 广州 chinaunicom.cn 联通
* ms 	AS4837 [CU169-BACKBONE] 中国 广东 广州 X-I chinaunicom.cn 联通
* ms 	AS17816 [APNIC-AP] 中国 广东 深圳 chinaunicom.cn 联通
347.46 ms 	AS17623 [APNIC-AP] 中国 广东 深圳 chinaunicom.cn 联通
316.80 ms 	AS17623 中国 广东 深圳 宝安区 chinaunicom.cn 联通
广州移动 120.196.165.24
1.04 ms 	* RFC1918
7.02 ms 	AS51847 中国 香港 nearoute.io
0.83 ms 	* RFC1918
56.56 ms 	AS3356 中国 香港 Level3-CMI-Peer lumen.com
6.13 ms 	AS58453 [CMI-INT] 中国 香港 cmi.chinamobile.com 移动
8.39 ms 	AS58453 [CMI-INT] 中国 广东 广州 cmi.chinamobile.com 移动
9.73 ms 	AS9808 [CMNET] 中国 广东 广州 chinamobileltd.com 移动
8.86 ms 	AS9808 [CMNET] 中国 广东 广州 I-C chinamobileltd.com 移动
10.60 ms 	AS9808 [CMNET] 中国 广东 广州 chinamobileltd.com 移动
17.20 ms 	AS9808 [CMNET] 中国 广东 广州 chinamobileltd.com 移动
16.87 ms 	AS56040 [APNIC-AP] 中国 广东 深圳 gd.10086.cn 移动

流媒体解锁

脚本: https://github.com/lmc999/RegionRestrictionCheck
IPV4流媒体解锁
Multination
Dazn IP Banned by Dazn
Disney+ No (IP Banned By Disney+ 1)
Netflix Originals Only
YouTube Premium Yes (Region: HK)
Amazon Prime Video Yes (Region: HK)
TVBAnywhere+ No
Spotify Registration Yes (Region: HK)
OneTrust Region HK [Unknown]
iQyi Oversea Region HK
Bing Region HK (Risky)
Apple Region HK
YouTube CDN Hong Kong
Netflix Preferred CDN Hong Kong
ChatGPT No (Only Available with Mobile APP)
Google Gemini No
Claude No
Wikipedia Editability Yes
Google Play Store Hong Kong
Google Search CAPTCHA Free Yes
Steam Currency HKD
Reddit No
SD Gundam G Generation Eternal No
Taiwan
KKTV No
LiTV No
MyVideo No
4GTV.TV No
LineTV.TW No
Hami Video No
CatchPlay+ No
HBO Max Yes (Region: HK)
Bahamut Anime Yes (Region: HK)
SonyLiv Yes (Region: HK)
Bilibili Taiwan Only No
Hong Kong
Now E Yes
Viu.com Yes (Region: HK)
Viu.TV Yes
MyTVSuper No
HBO Max Yes (Region: HK)
SonyLiv Yes (Region: HK)
BiliBili Hongkong/Macau/Taiwan No
Bahamut Anime Yes (Region: HK)
Japan
DMM No
DMM TV No
Abema.TV No
Niconico No (Official Live Unavailable. LiveID: lv348148461)
Telasa No
U-NEXT No
Hulu Japan No
TVer Yes
Lemino No
AnimeFesta No
WOWOW No
VideoMarket Yes
D Anime Store No
FOD(Fuji TV) No
Radiko No
Karaoke@DAM No
J:com On Demand No
WATCHA No
Rakuten TV JP No
Kancolle Japan No
Pretty Derby Japan No
Konosuba Fantastic Days Failed (Network Connection)
Princess Connect Re:Dive Japan No
Project Sekai: Colorful Stage No
Mora No
music.jp No
EroGameSpace Yes
North America
Paramount+ Failed (Error: 406)
Discovery+ No
Acorn TV Failed (Error: PAGE ERROR)
BritBox No
SonyLiv Yes (Region: HK)
NBA TV Yes
TLC GO No
Shudder No
Fubo TV Yes (Region:HK)
Tubi TV No
Pluto TV No
KOCOWA No
AMC+ No
MathsSpot Roblox Failed (Error: FailureUnauthorized)
FOX Yes
Hulu No
NFL+ No
MGM+ No
Starz Failed (Error: PAGE ERROR)
Philo No
FXNOW No
HBO Max Yes (Region: HK)
Crackle Failed (Network Connection)
CW TV Failed (Error: 452)
A&E TV No
NBC TV No
Sling TV Failed (Error: 403)
encoreTVB No
Peacock TV Failed (Error: 403)
Popcornflix Failed (Network Connection)
Crunchyroll No
Directv Stream No
Meta AI No
HotStar Failed (Error: REGION ERROR HK_)
CBC Gem No
Crave No
South America
HBO Max Yes (Region: HK)
DirecTV Go Yes (Region: CO)
Paramount+ Failed (Error: 406)
Europe
Paramount+ Failed (Error: 406)
Discovery+ No
SonyLiv Yes (Region: HK)
HBO Max Yes (Region: HK)
SkyShowTime No
BritBox No
Rakuten TV No
Megogo TV No (VPN Detected)
Setanta Sports No
MathsSpot Roblox Failed (Error: FailureUnauthorized)
HotStar Failed (Error: REGION ERROR HK_)
Sky Go Failed (Error: Unknown)
ITV Hub Failed (Error: PAGE ERROR)
Channel 4 No
Channel 5 Yes
BBC iPLAYER No
Acorn TV Failed (Error: PAGE ERROR)
Shudder No
Canal+ Failed (Error: 404)
Molotov No
Joyn No
SKY DE No
NLZIET Failed (Error: PAGE ERROR)
videoland No
NPO Start Plus Failed (Error: 401)
Movistar+ No
Rai Play No
SKY CH No
Amediateka No
Oceania
NBA TV Yes
Acorn TV Failed (Error: PAGE ERROR)
BritBox No
Paramount+ Failed (Error: 406)
AMC+ No
SonyLiv Yes (Region: HK)
Binge No
Docplay No
7plus No
ABC iView No
Channel 9 No
Channel 10 No
Optus Sports No
SBS on Demand No
Kayo Sports No
Neon TV No
SkyGo NZ Failed (Error: 401)
ThreeNow No
Maori TV No
Korean
Wavve No
Tving No
WATCHA No
Coupang Play No
Naver TV No
SPOTV NOW Yes
Afreeca TV Yes
KBS Domestic No
IPV6流媒体解锁
Multination
Dazn IPv6 Is Not Currently Supported
Disney+ IPv6 Is Not Currently Supported
Netflix Yes (Region: HK)
YouTube Premium No
Amazon Prime Video IPv6 Is Not Currently Supported
TVBAnywhere+ IPv6 Is Not Currently Supported
Spotify Registration Yes (Region: TW)
OneTrust Region HK [Kwun Tong]
iQyi Oversea Region IPv6 Is Not Currently Supported
Bing Region TW
Apple Region HK
YouTube CDN Hong Kong
Netflix Preferred CDN Hong Kong
ChatGPT Failed (Network Connection)
Google Gemini No
Claude No
Wikipedia Editability Yes
Google Play Store China
Google Search CAPTCHA Free Yes
Steam Currency IPv6 Is Not Currently Supported
Reddit IPv6 Is Not Currently Supported
SD Gundam G Generation Eternal Failed (Network Connection)
Taiwan
KKTV IPv6 Is Not Currently Supported
LiTV IPv6 Is Not Currently Supported
MyVideo IPv6 Is Not Currently Supported
4GTV.TV IPv6 Is Not Currently Supported
LineTV.TW IPv6 Is Not Currently Supported
Hami Video IPv6 Is Not Currently Supported
CatchPlay+ IPv6 Is Not Currently Supported
HBO Max Yes (Region: HK)
Bahamut Anime IPv6 Is Not Currently Supported
SonyLiv Yes (Region: HK)
Bilibili Taiwan Only IPv6 Is Not Currently Supported
Hong Kong
Now E IPv6 Is Not Currently Supported
Viu.com IPv6 Is Not Currently Supported
Viu.TV IPv6 Is Not Currently Supported
MyTVSuper IPv6 Is Not Currently Supported
HBO Max Yes (Region: HK)
SonyLiv Yes (Region: HK)
BiliBili Hongkong/Macau/Taiwan IPv6 Is Not Currently Supported
Bahamut Anime IPv6 Is Not Currently Supported
Japan
DMM IPv6 Is Not Currently Supported
DMM TV IPv6 Is Not Currently Supported
Abema.TV IPv6 Is Not Currently Supported
Niconico IPv6 Is Not Currently Supported
Telasa No
U-NEXT No
Hulu Japan IPv6 Is Not Currently Supported
TVer IPv6 Is Not Currently Supported
Lemino No
AnimeFesta Failed (Network Connection)
WOWOW IPv6 Is Not Currently Supported
VideoMarket IPv6 Is Not Currently Supported
D Anime Store IPv6 Is Not Currently Supported
FOD(Fuji TV) IPv6 Is Not Currently Supported
Radiko IPv6 Is Not Currently Supported
Karaoke@DAM IPv6 Is Not Currently Supported
J:com On Demand Failed (Network Connection)
WATCHA IPv6 Is Not Currently Supported
Rakuten TV JP IPv6 Is Not Currently Supported
Kancolle Japan IPv6 Is Not Currently Supported
Pretty Derby Japan No
Konosuba Fantastic Days IPv6 Is Not Currently Supported
Princess Connect Re:Dive Japan IPv6 Is Not Currently Supported
Project Sekai: Colorful Stage IPv6 Is Not Currently Supported
Mora IPv6 Is Not Currently Supported
music.jp IPv6 Is Not Currently Supported
EroGameSpace IPv6 Is Not Currently Supported
North America
Paramount+ Failed (Error: 406)
Discovery+ IPv6 Is Not Currently Supported
Acorn TV IPv6 Is Not Currently Supported
BritBox No
SonyLiv Yes (Region: HK)
NBA TV Yes
TLC GO IPv6 Is Not Currently Supported
Shudder No
Fubo TV IPv6 Is Not Currently Supported
Tubi TV No
Pluto TV IPv6 Is Not Currently Supported
KOCOWA IPv6 Is Not Currently Supported
AMC+ No
MathsSpot Roblox IPv6 Is Not Currently Supported
FOX Yes
Hulu No
NFL+ IPv6 Is Not Currently Supported
MGM+ IPv6 Is Not Currently Supported
Starz IPv6 Is Not Currently Supported
Philo IPv6 Is Not Currently Supported
FXNOW IPv6 Is Not Currently Supported
HBO Max Yes (Region: HK)
Crackle Failed (Network Connection)
CW TV Failed (Error: 452)
A&E TV IPv6 Is Not Currently Supported
NBC TV No
Sling TV Failed (Network Connection)
encoreTVB IPv6 Is Not Currently Supported
Peacock TV Failed (Error: 403)
Popcornflix IPv6 Is Not Currently Supported
Crunchyroll IPv6 Is Not Currently Supported
Directv Stream No
Meta AI No
HotStar Failed (Error: REGION ERROR HK_)
CBC Gem IPv6 Is Not Currently Supported
Crave IPv6 Is Not Currently Supported
South America
HBO Max Yes (Region: HK)
DirecTV Go IPv6 Is Not Currently Supported
Paramount+ Failed (Error: 406)
Europe
Paramount+ Failed (Error: 406)
Discovery+ IPv6 Is Not Currently Supported
SonyLiv Yes (Region: HK)
HBO Max Yes (Region: HK)
SkyShowTime No
BritBox No
Rakuten TV IPv6 Is Not Currently Supported
Megogo TV IPv6 Is Not Currently Supported
Setanta Sports IPv6 Is Not Currently Supported
MathsSpot Roblox IPv6 Is Not Currently Supported
HotStar Failed (Error: REGION ERROR HK_)
Sky Go IPv6 Is Not Currently Supported
ITV Hub IPv6 Is Not Currently Supported
Channel 4 IPv6 Is Not Currently Supported
Channel 5 IPv6 Is Not Currently Supported
BBC iPLAYER IPv6 Is Not Currently Supported
Acorn TV IPv6 Is Not Currently Supported
Shudder No
Canal+ IPv6 Is Not Currently Supported
Molotov No
Joyn IPv6 Is Not Currently Supported
SKY DE IPv6 Is Not Currently Supported
NLZIET IPv6 Is Not Currently Supported
videoland No
NPO Start Plus Failed (Network Connection)
Movistar+ IPv6 Is Not Currently Supported
Rai Play IPv6 Is Not Currently Supported
SKY CH Failed (Error: 301)
Amediateka IPv6 Is Not Currently Supported
Oceania
NBA TV Yes
Acorn TV IPv6 Is Not Currently Supported
BritBox No
Paramount+ Failed (Error: 406)
AMC+ No
SonyLiv Yes (Region: HK)
Binge No
Docplay IPv6 Is Not Currently Supported
7plus IPv6 Is Not Currently Supported
ABC iView IPv6 Is Not Currently Supported
Channel 9 No
Channel 10 IPv6 Is Not Currently Supported
Optus Sports No
SBS on Demand IPv6 Is Not Currently Supported
Kayo Sports No
Neon TV IPv6 Is Not Currently Supported
SkyGo NZ IPv6 Is Not Currently Supported
ThreeNow IPv6 Is Not Currently Supported
Maori TV IPv6 Is Not Currently Supported
Korean
Wavve IPv6 Is Not Currently Supported
Tving IPv6 Is Not Currently Supported
WATCHA IPv6 Is Not Currently Supported
Coupang Play IPv6 Is Not Currently Supported
Naver TV IPv6 Is Not Currently Supported
SPOTV NOW IPv6 Is Not Currently Supported
Afreeca TV IPv6 Is Not Currently Supported
KBS Domestic IPv6 Is Not Currently Supported

详细回程路由追踪

脚本: https://github.com/zq/shell/blob/master/autoBestTrace.sh