It measures ICMP RTT between Mudfish nodes using IP address you typed.

It measures TCP based RTT between Mudfish nodes using IP address and port you typed.

It shows the result of DNS resolving on mudfish nodes.

The mudfish nodes

AE Middle East (Dubai - Aliyun) AE Middle East (Dubai - Bamboozle) AU Oceania (Brisbane - BinaryLane)
AU Oceania (Brisbane - RansomIT) AU Oceania (Melbourne - BinaryLane) AU Oceania (Melbourne - RansomIT 2)
AU Oceania (Melbourne - RansomIT 3) AU Oceania (Melbourne - RansomIT) AU Oceania (Perth - RansomIT)
AU Oceania (Perth - Wombat 2) AU Oceania (Perth - Wombat) AU Oceania (Sydney - Amazon EC2)
AU Oceania (Sydney - BinaryLane) AU Oceania (Sydney - Google 2) AU Oceania (Sydney - Google)
AU Oceania (Sydney - HostHatch) AU Oceania (Sydney - Vultr 2) AU Oceania (Sydney - Vultr 3)
AU Oceania (Sydney - Vultr 4) BG Europe (Bulgaria - Dagroup) BZ South America (Sao Paulo - Amazon EC2)
BZ South America (Sao Paulo - Azure 2) BZ South America (Sao Paulo - Vig28) CA East (Montreal - Amazon EC2)
CA East (Montreal - OVH 3) CA East (Toronto - DigitalOcean) CH Europe (Zurich - GlobalAXS)
CH South America (Mexico City - OneProvider) CN Asia (Beijing - Xirang) CN Asia (Guangdong - XSDNS)
CN Asia (Shanghai - XSDNS) CN Asia (Zhengzhou - GAINET) DE Europe (Germany - Aliyun)
DE Europe (Germany - Amazon EC2) DE Europe (Germany - BnK) DE Europe (Germany - DigitalOcean 2)
DE Europe (Germany - GHOSTnet) DE Europe (Germany - IdealHosting 2) DE Europe (Germany - LeaseWeb 2)
DE Europe (Germany - LeaseWeb 3) DE Europe (Germany - LeaseWeb) DE Europe (Germany - Linode 2)
DE Europe (Germany - Linode 3) DE Europe (Germany - Linode) DE Europe (Germany - PieLayer 2)
DE Europe (Germany - PieLayer 3) DE Europe (Germany - PieLayer) DE Europe (Germany - Serverhub)
DE Europe (Germany - Telepath) DE Europe (Germany - Vultr 2) DE Europe (Germany - Vultr)
EG Middle East (Cairo - CityNet) ES Europe (Barcelona - Giner) ES Europe (Madrid - Giner 2)
ES Europe (Madrid - Giner) FI Europe (Espoo - Mediam) FR Europe (Gravelines - OVH)
FR Europe (Paris - Choopa 2) FR Europe (Paris - Choopa 3) FR Europe (Strasbourg - OVH)
HK Asia (Hong Kong - Aliyun) HK Asia (Hong Kong - Azure 10) HK Asia (Hong Kong - Azure 11)
HK Asia (Hong Kong - Azure 12) HK Asia (Hong Kong - Azure 13) HK Asia (Hong Kong - Azure 14)
HK Asia (Hong Kong - Azure 15) HK Asia (Hong Kong - Azure 16) HK Asia (Hong Kong - CLDR)
HK Asia (Hong Kong - Cloudie) HK Asia (Hong Kong - HostHatch) HK Asia (Hong Kong - HostUS 2)
HK Asia (Hong Kong - HostUS 3) HK Asia (Hong Kong - HostUS) HK Asia (Hong Kong - SoftLayer)
HK Asia (Hong Kong - TinMok 2) HK Asia (Hong Kong - TinMok 3) HU Europe (Budapest - ATW)
HU Europe (Budapest - INVITEL) HU Europe (Budapest - ServerAstra) ID Asia (Jakarta - CLDREU)
ID Asia (Jakarta - Rajasa) ID Asia (Sukabumi - CloudHost) IL Middle East (Tel Aviv - EDIS)
IN Asia (Bangalore - DigitalOcean 2) IN Asia (Bangalore - DigitalOcean) IN Asia (Mumbai - Amazon EC2)
IN Asia (Mumbai - Amazon Lightsail) IN Asia (Mumbai - Google) IN Asia (Pune - Leapswitch)
IT Europe (Milan - OneProvider) JP Asia (Hokkaido - SakuraNet) JP Asia (Kitakyushu - IDCF)
JP Asia (Osaka - Azure 10) JP Asia (Osaka - Azure 11) JP Asia (Osaka - TinMok 1)
JP Asia (Osaka - TinMok 10) JP Asia (Osaka - TinMok 2) JP Asia (Osaka - TinMok 3)
JP Asia (Osaka - TinMok 4) JP Asia (Osaka - TinMok 5) JP Asia (Osaka - TinMok 6)
JP Asia (Osaka - TinMok 7) JP Asia (Osaka - TinMok 8) JP Asia (Osaka - TinMok 9)
JP Asia (Osaka - TinMok) JP Asia (Tokyo - Aliyun 2) JP Asia (Tokyo - Aliyun 3)
JP Asia (Tokyo - Aliyun) JP Asia (Tokyo - Amazon EC2 2) JP Asia (Tokyo - Amazon Lightsail)
JP Asia (Tokyo - Azure 10) JP Asia (Tokyo - Azure 11) JP Asia (Tokyo - Choopa)
JP Asia (Tokyo - CNode 1) JP Asia (Tokyo - ConoHa 1) JP Asia (Tokyo - ConoHa 2)
JP Asia (Tokyo - ConoHa 4) JP Asia (Tokyo - ConoHa 5) JP Asia (Tokyo - ConoHa 6)
JP Asia (Tokyo - ConoHa 7) JP Asia (Tokyo - ConoHa 8) JP Asia (Tokyo - ConoHa 9)
JP Asia (Tokyo - ConoHa) JP Asia (Tokyo - Equinix) JP Asia (Tokyo - Google 2)
JP Asia (Tokyo - Google 3) JP Asia (Tokyo - Google) JP Asia (Tokyo - IDCF)
JP Asia (Tokyo - Linode1 IDC) JP Asia (Tokyo - Linode2 IDC) JP Asia (Tokyo - Linode3 IDC)
JP Asia (Tokyo - Linode4 IDC) JP Asia (Tokyo - Linode5 IDC) JP Asia (Tokyo - Linode6 IDC)
JP Asia (Tokyo - Linode7 IDC) JP Asia (Tokyo - Linode8 IDC) JP Asia (Tokyo - NTT 2)
JP Asia (Tokyo - NTT 3) JP Asia (Tokyo - NTT 4) JP Asia (Tokyo - NTT 5)
JP Asia (Tokyo - NTT 6) JP Asia (Tokyo - NTT) JP Asia (Tokyo - RansomIT)
JP Asia (Tokyo - SakuraNet 2) JP Asia (Tokyo - SakuraNet) JP Asia (Tokyo - SoftBank 2)
JP Asia (Tokyo - SoftBank) JP Asia (Tokyo - Techorus 1) JP Asia (Tokyo - Techorus 2)
JP Asia (Tokyo - Techorus 3) JP Asia (Tokyo - TinMok 1) JP Asia (Tokyo - TinMok 2)
JP Asia (Tokyo - TinMok 3) JP Asia (Tokyo - TinMok 4) JP Asia (Tokyo - TinMok 5)
JP Asia (Tokyo - Yahoo Japan 2) JP Asia (Tokyo - Yahoo Japan) KR Asia (S. Korea - Amazon EC2 2)
KR Asia (S. Korea - Amazon EC2) KR Asia (S. Korea - Amazon Lightsail) KR Asia (S. Korea - Azure 10)
KR Asia (S. Korea - Azure 11) KR Asia (S. Korea - Azure 12) KR Asia (S. Korea - Azure 13)
KR Asia (S. Korea - Dognet 3) KR Asia (S. Korea - Dognet 4) KR Asia (S. Korea - Dognet 5)
KR Asia (S. Korea - Dognet 6) KR Asia (S. Korea - Dognet 7) KR Asia (S. Korea - Dognet 8)
KR Asia (S. Korea - Dognet 9) KR Asia (S. Korea - Dognet) KR Asia (S. Korea - EstNOC)
KR Asia (S. Korea - GNJ IDC) KR Asia (S. Korea - GNJ IDC) 2 KR Asia (S. Korea - GNJ IDC) 3
KR Asia (S. Korea - GNJ IDC) 4 KR Asia (S. Korea - GNJ IDC) 5 KR Asia (S. Korea - GNJ IDC) 6
KR Asia (S. Korea - HCLC 2 IDC) KR Asia (S. Korea - HCLC 3 IDC) KR Asia (S. Korea - KINX 2)
KR Asia (S. Korea - KINX) KR Asia (S. Korea - KT01 IDC) KR Asia (S. Korea - KT02 IDC)
KR Asia (S. Korea - KT03 IDC) KR Asia (S. Korea - KT04 IDC) KR Asia (S. Korea - KT05 IDC)
KR Asia (S. Korea - KT06 IDC) KR Asia (S. Korea - KT07 IDC) KR Asia (S. Korea - KT08 IDC)
KR Asia (S. Korea - KT09 IDC) KR Asia (S. Korea - KT10 IDC) KR Asia (S. Korea - Sejong Telecom 1)
KR Asia (S. Korea - Sejong Telecom 2) KR Asia (S. Korea - Sejong Telecom 3) KR Asia (S. Korea - Sejong Telecom 4)
KR Asia (S. Korea - Sejong Telecom 5) KR Asia (S. Korea - Sejong Telecom 6) KR Asia (S. Korea - Xpeed)
LT Europe (Vilnius - RackRay) MD Europe (Chisinau - MivoCloud) NL Europe (Amsterdam - DigitalOcean)
NL Europe (Amsterdam - RamNode) NL Europe (Amsterdam - Vultr) NO Europe (Oslo - TDC)
NO Europe (Oslo - TerraHost) NZ Oceania (Auckland - HDNET) - PBE PH Asia (Philippines - ETPI)
PH Asia (Philippines - IPVG) PL Europe (Poland - HitMe) PL Europe (Poland - HosTeam)
PL Europe (Poland - Livenet) PL Europe (Poland - OVH) RO Europe (Romania - HostSailor)
RU Europe (Germany - DigitalOcean) RU Europe (Khabarovsk - ZeptoVM 2) RU Europe (Khabarovsk - ZeptoVM)
RU Europe (Moscow - MediaSoft) RU Europe (Moscow - Svyaz) RU Europe (Moscow - TCTEL)
RU Europe (Novosibirsk - JSC) RU Europe (St. Petersburg - vStoike) RU Europe (St. Petersburg - ZeptoVM)
RU Europe (Vladivostok - JSC) SE Europe (Falkenberg - Portlane) SE Europe (Stockholm - HostUS)
SE Europe (Stockholm - YourServer) SG Asia (Singapore - Aliyun) SG Asia (Singapore - Amazon EC2)
SG Asia (Singapore - Amazon Lightsail) SG Asia (Singapore - CNode 1) SG Asia (Singapore - DigitalOcean)
SG Asia (Singapore - Google 2) SG Asia (Singapore - Google) SG Asia (Singapore - HostUS 2)
SG Asia (Singapore - HostUS 3) SG Asia (Singapore - HostUS 4) SG Asia (Singapore - HostUS)
SG Asia (Singapore - IndoVirtue 10) SG Asia (Singapore - IndoVirtue 11) SG Asia (Singapore - IndoVirtue 12)
SG Asia (Singapore - IndoVirtue 13) SG Asia (Singapore - IndoVirtue 14) SG Asia (Singapore - IndoVirtue 15)
SG Asia (Singapore - IndoVirtue 16) SG Asia (Singapore - IndoVirtue 2) SG Asia (Singapore - IndoVirtue 3)
SG Asia (Singapore - IndoVirtue 4) SG Asia (Singapore - IndoVirtue 5) SG Asia (Singapore - IndoVirtue 6)
SG Asia (Singapore - IndoVirtue 7) SG Asia (Singapore - IndoVirtue 8) SG Asia (Singapore - IndoVirtue 9)
SG Asia (Singapore - IndoVirtue) SG Asia (Singapore - LeaseWeb) SG Asia (Singapore - Linode)
SG Asia (Singapore - OneProvider) SG Asia (Singapore - SecureAX) 1 SG Asia (Singapore - SecureAX) 2
SG Asia (Singapore - SecureAX) 3 SG Asia (Singapore - SimplerCloud) SG Asia (Singapore - VPSNine 2)
SG Asia (Singapore - VPSNine) SG Asia (Singapore - Vultr 2) SG Asia (Singapore - Vultr)
TH Asia (Bangkok - CloudHosting) TR Europe (Istanbul - CityNet) TR Europe (Turkey - Hosthink)
TW Asia (Taiwan - APNT) TW Asia (Taiwan - Google 2) TW Asia (Taiwan - Google 4)
TW Asia (Taiwan - Google 5) TW Asia (Taiwan - Google 6) TW Asia (Taiwan - Google)
TW Asia (Taiwan - HostingInside 10) TW Asia (Taiwan - HostingInside 11) TW Asia (Taiwan - HostingInside 12)
TW Asia (Taiwan - HostingInside 13) TW Asia (Taiwan - HostingInside 14) TW Asia (Taiwan - HostingInside 15)
TW Asia (Taiwan - HostingInside 2) TW Asia (Taiwan - HostingInside 3) TW Asia (Taiwan - HostingInside 4)
TW Asia (Taiwan - HostingInside 5) TW Asia (Taiwan - HostingInside 6) TW Asia (Taiwan - HostingInside 7)
TW Asia (Taiwan - HostingInside 8) TW Asia (Taiwan - HostingInside 9) UK Europe (London - DigitalOcean)
UK Europe (London - Vultr) UK Europe (Manchester - UKFast) US Central (Dallas, TX - ColoCrossing)
US Central (Dallas, TX - DrServer) US Central (Dallas, TX - HostUS 2) US Central (Dallas, TX - HostUS 3)
US Central (Dallas, TX - HostUS 4) US Central (Dallas, TX - HostUS) US Central (Dallas, TX - HudsonValley)
US Central (Dallas, TX - Linode) US Central (Dallas, TX - Nodisto) US Central (Dallas, TX - Secure Dragon)
US Central (Dallas, TX - Vultr 2) US Central (Dallas, TX - Vultr 3) US Central (Denver, CO - Mean Servers 2)
US Central (Denver, CO - Mean Servers 3) US Central (Denver, CO - Mean Servers 4) US Central (Denver, CO - Mean Servers)
US Central (Denver, CO - Nodisto) US Central (Houston, TX - Oplink 2) US Central (Houston, TX - Oplink)
US Central (Lombard, IL - Continuum LLC) US Central (Phoenix, AZ - Inception) US Central (Phoenix, AZ - SingleHop)
US East (Atlanta - RamNode) US East (Atlanta, GA - ColoCrossing) US East (Chicago - ColoCrossing)
US East (Chicago - Nodisto) US East (Chicago - Serverhub) US East (Chicago - VIG28)
US East (Chicago - Vultr 3) US East (Chicago - Vultr 4) US East (Chicago - Vultr 5)
US East (Herndon, VA - Zeniva) US East (Jacksonville - GoRack) US East (Miami - QudraNet 3)
US East (New Jersey - FranTech) US East (New Jersey - RamNode) US East (New York - Digital Ocean 2)
US East (New York - Digital Ocean 3) US East (New York - Digital Ocean) US East (Ohio - Amazon EC2)
US East (Virginia - Aliyun) US West (Fremont, CA - Aliyun) US West (Fremont, CA - Linode 2)
US West (Fremont, CA - Linode) US West (Las Vegas - Foroquimica) US West (Las Vegas - FranTech)
US West (Las Vegas - Versaweb) US West (Los Angeles - Aoyou 2) US West (Los Angeles - Aoyou)
US West (Los Angeles - ColoCrossing2) US West (Los Angeles - Enzu) US West (Los Angeles - HostUS)
US West (Los Angeles - QudraNet 3) US West (Los Angeles - QudraNet) US West (Los Angeles - RamNode)
US West (Los Angeles - SYN) US West (Los Angeles - VIG28 2) US West (Los Angeles - Vivid)
US West (N. California - Amazon EC2) US West (San Francisco - Digital Ocean 2) US West (San Francisco - Digital Ocean)
US West (San Jose - ColoCrossing 1) US West (San Jose - ColoCrossing 2) US West (San Jose - ColoCrossing 3)
US West (San Jose - ColoCrossing 4) US West (San Jose - ColoCrossing 5) US West (San Jose - ColoCrossing)
US West (San Jose - Vultr 2) US West (San Jose - Vultr 3) US West (San Jose - Vultr 4)
US West (Seattle - IonSwitch) US West (Seattle - RamNode) US West (Seattle - Vultr 2)
US West (Seattle - Vultr 3) US West (Seattle - Vultr 4) US West (Seattle - Vultr 6)
VN Asia (Vietnam - GreenCloud) VN Asia (Vietnam - Viettel) VN Asia (Vietnam - VinaHost)
ZA South Africa (Johannesburg - Host1plus) ZA South Africa (Johannesburg - Samrand) - PBE