You are connecting from 216.73.217.21 owned by Anthropic, PBC

Network diagnostics

01 / Connection & request summary

AVAILABLE
method GET
client IP 216.73.217.21
CF-Ray a4ca63547c5e3e6e
colo CMH
HTTP protocol HTTP/2
TLS version TLSv1.3
TLS cipher AEAD-AES256-GCM-SHA384
TCP RTT (ms) 4
QUIC RTT (ms) 0
ASN 16509
AS organization Anthropic, PBC

02 / GeoIP comparison

Cloudflare edge

AVAILABLE
country US
EU country false
continent NA
region Ohio
region code OH
city Columbus
postal code 43215
timezone America/New_York
latitude 39.96118
longitude -82.99879

IP.SB · browser

LOADING
public IPrequest pending
ASN—
AS organization—
ISP / organization—
location—
coordinates—
timezone—
edge comparisonwaiting for both views

ip-api.com · Worker relay

LOADING
queried IP —
AS —
ISP / organization —
location —
coordinates —
timezone —
network flags —
relay latency —

IPInfo.ES · Worker relay

LOADING
queried IP —
ASN —
AS name / domain —
location —
continent —
enhanced China location —
relay latency —

ipquery · Worker relay

LOADING
queried IP —
ASN / organization —
ISP —
location —
coordinates —
timezone —
network flags —
risk score —
relay latency —

GeoJS · Worker relay

LOADING
queried IP —
ASN / organization —
location —
continent —
coordinates —
accuracy radius —
timezone —
relay latency —

03 / Inbound TCP check

READY

Test one inbound TCP port from the Cloudflare edge. For IPv4, this verifies the public address and port mapping seen by this request. For IPv6, you may test another device only inside the same /64.

Target IPv4 216.73.217.21 The server always tests the source IP of this check request. It cannot be changed.

Ready. No connection has been attempted.

Raw request data

Complete request.cf 55 leaf values
cf.asn
16509
cf.asOrganization
Anthropic, PBC
cf.city
Columbus
cf.clientAcceptEncoding
gzip, deflate, br
cf.clientQuicRtt
0
cf.clientTcpRtt
4
cf.colo
CMH
cf.continent
NA
cf.country
US
cf.edgeL4.deliveryRate
1492783
cf.edgeRequestKeepAliveStatus
1
cf.httpProtocol
HTTP/2
cf.isEUCountry
false
cf.latitude
39.96118
cf.longitude
-82.99879
cf.metroCode
535
cf.postalCode
43215
cf.region
Ohio
cf.regionCode
OH
cf.requestHeaderNames
[":method",":scheme",":authority",":path","accept","user-agent","accept-encoding"]
cf.requestPriority
weight=16;exclusive=0;group=0;group-weight=0
cf.timezone
America/New_York
cf.tlsCipher
AEAD-AES256-GCM-SHA384
cf.tlsClientAuth.certChainRFC9440
"" (empty string)
cf.tlsClientAuth.certChainRFC9440TooLarge
false
cf.tlsClientAuth.certFingerprintSHA1
"" (empty string)
cf.tlsClientAuth.certFingerprintSHA256
"" (empty string)
cf.tlsClientAuth.certIssuerDN
"" (empty string)
cf.tlsClientAuth.certIssuerDNLegacy
"" (empty string)
cf.tlsClientAuth.certIssuerDNRFC2253
"" (empty string)
cf.tlsClientAuth.certIssuerSerial
"" (empty string)
cf.tlsClientAuth.certIssuerSKI
"" (empty string)
cf.tlsClientAuth.certNotAfter
"" (empty string)
cf.tlsClientAuth.certNotBefore
"" (empty string)
cf.tlsClientAuth.certPresented
0
cf.tlsClientAuth.certRevoked
0
cf.tlsClientAuth.certRFC9440
"" (empty string)
cf.tlsClientAuth.certRFC9440TooLarge
false
cf.tlsClientAuth.certSerial
"" (empty string)
cf.tlsClientAuth.certSKI
"" (empty string)
cf.tlsClientAuth.certSubjectDN
"" (empty string)
cf.tlsClientAuth.certSubjectDNLegacy
"" (empty string)
cf.tlsClientAuth.certSubjectDNRFC2253
"" (empty string)
cf.tlsClientAuth.certVerified
NONE
cf.tlsClientCiphersSha1
WUS9+h7TjVkF9aEouGuCEMjGQGA=
cf.tlsClientExtensionsSha1
HFUtX08CK0iX4gU92h3nnfgkfFU=
cf.tlsClientExtensionsSha1Le
xsSGnyxSM6KTqwLNXwvClavqJUo=
cf.tlsClientHelloLength
246
cf.tlsClientRandom
VMMOWA9ohkGQxT6nPyCbgonwdX9qd3rLFO2vD9UYYX4=
cf.tlsExportedAuthenticator.clientFinished
199e77e1a70c00af533187ef32da0c4816800f4d114aee2e18ad3138204774ca752b6eff2bc820e526c621ec77665e14
cf.tlsExportedAuthenticator.clientHandshake
d4c86f883e088615c0add5d096d4aeb188c50cfe28c6afde745d8471ea088cebb42cf2201da71cd1d68996a8dc3bc6c0
cf.tlsExportedAuthenticator.serverFinished
003547f5a20fcfcadf1dea9be9e09389b2f1d2c0dcbc4d9dee75ef4027f653b81181a076964712d13f6f4715027fb379
cf.tlsExportedAuthenticator.serverHandshake
a77518753a25e6d5fed1fe65c11c6fee828639bb9dc819702be4ac255f96a264d866459a4817c192042536de77c93406
cf.tlsVersion
TLSv1.3
cf.verifiedBotCategory
AI Crawler
Request headers 11 visible headers
accept
*/*
accept-encoding
gzip, br
cf-connecting-ip
216.73.217.21
cf-ipcountry
US
cf-ray
a4ca63547c5e3e6e
cf-visitor
{"scheme":"https"}
connection
Keep-Alive
host
eth.vxd.sh
user-agent
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
x-forwarded-proto
https
x-real-ip
216.73.217.21
URL & Request properties edge-visible form
url
https://eth.vxd.sh/
scheme
https
host
eth.vxd.sh
hostname
eth.vxd.sh
port
null
pathname
/
query string
"" (empty string)
query entries
[]
body present
false
body consumed
false
redirect mode
manual
integrity
"" (empty string)
keepalive
false
cache mode
null
signal aborted
false
Raw request snapshot collector view 
{
  "generatedAt": "2026-10-18T20:45:39.940Z",
  "summary": {
    "clientIp": "216.73.217.21",
    "userAgent": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)",
    "acceptLanguage": null,
    "referer": null,
    "cfRay": "a4ca63547c5e3e6e",
    "colo": "CMH",
    "country": "US",
    "httpProtocol": "HTTP/2",
    "tlsVersion": "TLSv1.3"
  },
  "request": {
    "method": "GET",
    "url": "https://eth.vxd.sh/",
    "scheme": "https",
    "host": "eth.vxd.sh",
    "hostname": "eth.vxd.sh",
    "port": null,
    "pathname": "/",
    "queryString": "",
    "query": [],
    "headers": {
      "accept": "*/*",
      "accept-encoding": "gzip, br",
      "cf-connecting-ip": "216.73.217.21",
      "cf-ipcountry": "US",
      "cf-ray": "a4ca63547c5e3e6e",
      "cf-visitor": "{\"scheme\":\"https\"}",
      "connection": "Keep-Alive",
      "host": "eth.vxd.sh",
      "user-agent": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)",
      "x-forwarded-proto": "https",
      "x-real-ip": "216.73.217.21"
    },
    "properties": {
      "bodyPresent": false,
      "bodyUsed": false,
      "redirect": "manual",
      "integrity": "",
      "keepalive": false,
      "cache": null,
      "signalAborted": false
    }
  },
  "cf": {
    "asn": 16509,
    "asOrganization": "Anthropic, PBC",
    "city": "Columbus",
    "clientAcceptEncoding": "gzip, deflate, br",
    "clientQuicRtt": 0,
    "clientTcpRtt": 4,
    "colo": "CMH",
    "continent": "NA",
    "country": "US",
    "edgeL4": {
      "deliveryRate": 1492783
    },
    "edgeRequestKeepAliveStatus": 1,
    "httpProtocol": "HTTP/2",
    "isEUCountry": false,
    "latitude": "39.96118",
    "longitude": "-82.99879",
    "metroCode": "535",
    "postalCode": "43215",
    "region": "Ohio",
    "regionCode": "OH",
    "requestHeaderNames": [
      ":method",
      ":scheme",
      ":authority",
      ":path",
      "accept",
      "user-agent",
      "accept-encoding"
    ],
    "requestPriority": "weight=16;exclusive=0;group=0;group-weight=0",
    "timezone": "America/New_York",
    "tlsCipher": "AEAD-AES256-GCM-SHA384",
    "tlsClientAuth": {
      "certChainRFC9440": "",
      "certChainRFC9440TooLarge": false,
      "certFingerprintSHA1": "",
      "certFingerprintSHA256": "",
      "certIssuerDN": "",
      "certIssuerDNLegacy": "",
      "certIssuerDNRFC2253": "",
      "certIssuerSerial": "",
      "certIssuerSKI": "",
      "certNotAfter": "",
      "certNotBefore": "",
      "certPresented": "0",
      "certRevoked": "0",
      "certRFC9440": "",
      "certRFC9440TooLarge": false,
      "certSerial": "",
      "certSKI": "",
      "certSubjectDN": "",
      "certSubjectDNLegacy": "",
      "certSubjectDNRFC2253": "",
      "certVerified": "NONE"
    },
    "tlsClientCiphersSha1": "WUS9+h7TjVkF9aEouGuCEMjGQGA=",
    "tlsClientExtensionsSha1": "HFUtX08CK0iX4gU92h3nnfgkfFU=",
    "tlsClientExtensionsSha1Le": "xsSGnyxSM6KTqwLNXwvClavqJUo=",
    "tlsClientHelloLength": "246",
    "tlsClientRandom": "VMMOWA9ohkGQxT6nPyCbgonwdX9qd3rLFO2vD9UYYX4=",
    "tlsExportedAuthenticator": {
      "clientFinished": "199e77e1a70c00af533187ef32da0c4816800f4d114aee2e18ad3138204774ca752b6eff2bc820e526c621ec77665e14",
      "clientHandshake": "d4c86f883e088615c0add5d096d4aeb188c50cfe28c6afde745d8471ea088cebb42cf2201da71cd1d68996a8dc3bc6c0",
      "serverFinished": "003547f5a20fcfcadf1dea9be9e09389b2f1d2c0dcbc4d9dee75ef4027f653b81181a076964712d13f6f4715027fb379",
      "serverHandshake": "a77518753a25e6d5fed1fe65c11c6fee828639bb9dc819702be4ac255f96a264d866459a4817c192042536de77c93406"
    },
    "tlsVersion": "TLSv1.3",
    "verifiedBotCategory": "AI Crawler"
  }
}