United States (US)Network & IP
IP address
216.73.217.62
IP version
IPv4
Country
United States (US)
Reverse DNS (host)
—
Remote port
5240
ASN
AS16509
Organization / ISP
Amazon.com, Inc.
Network type (heuristic)
hosting / datacenter / VPN-like (matched “amazon” in the ASN name)
HTTP request headers
Headers sent
4
Total size
191 bytes (largest: user-agent, 103 bytes)
Host
checkip.now
accept
*/*
user-agent
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
accept-encoding
gzip, br, zstd, deflate
Exactly what your browser sent, in order (headers nginx adds for the backend are hidden).
Request analysis
Languages (by priority)
Accept-Language not sent
Compression accepted
gzip, br, zstd, deflate
Brotli / Zstandard
br yes · zstd yes
Accept
*/*
Image formats advertised
none (this browser does not advertise image formats in page requests)
Navigation source
unknown (no Sec-Fetch-Site)
Referrer
none
User-initiated
—
Request kind
—
Load type
normal navigation (no cache directives)
Upgrade-Insecure-Requests
not sent
Do Not Track (header)
not sent
Global Privacy Control
not sent
Proxy headers
none detected
What the request headers reveal: language, compression, how you got here, privacy signals, proxies.
Client Hints
Client Hints
not sent by this browser (only Chromium-based browsers send them)
Requested via Accept-CH
Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-WoW64, Sec-CH-UA-Form-Factors, Sec-CH-Prefers-Color-Scheme, Sec-CH-Prefers-Reduced-Motion, Sec-CH-Prefers-Reduced-Transparency, Sec-CH-Viewport-Width, Sec-CH-Viewport-Height, Sec-CH-DPR, Sec-CH-Device-Memory, Downlink, ECT, RTT, Save-Data
Sent by Chromium browsers; the server asks for high-entropy hints with Accept-CH / Critical-CH.
TLS & connection
HTTP version
HTTP/2.0
ALPN (negotiated)
h2
Scheme
https
TLS protocol
TLSv1.3
TLS cipher
TLS_AES_256_GCM_SHA384
Key exchange group
X25519
Session resumed
no (full handshake)
0-RTT early data
—
SNI (server name)
checkip.now
Cipher suites offered by client
10: TLS_AES_256_GCM_SHA384, TLS_AES_128_GCM_SHA256, TLS_CHACHA20_POLY1305_SHA256, ECDHE-ECDSA-AES256-GCM-SHA384, ECDHE-ECDSA-AES128-GCM-SHA256, ECDHE-ECDSA-CHACHA20-POLY1305, ECDHE-RSA-AES256-GCM-SHA384, ECDHE-RSA-AES128-GCM-SHA256, ECDHE-RSA-CHACHA20-POLY1305, TLS_EMPTY_RENEGOTIATION_INFO_SCSV
Key exchange groups offered
3: X25519, prime256v1, secp384r1
Requests on this connection
2
TCP round-trip time (kernel)
121.1 ms (± 10.8 ms)
Request size
17 bytes
Host
checkip.now
Method
GET
Server time
2026-09-02 22:26:01 UTC
Cookies (server side)
Cookies received
none: first visit, or cookies are blocked
First visit (first_seen)
2026-09-02T22:25:58Z (set just now)
Last visit (last_seen)
none: first visit (cookie set now)
Visits (visits)
1 (this one included)
HttpOnly demo (server_only)
set in this response with HttpOnly; reload to see it come back
Demo cookies: first_seen, last_seen, visits and an HttpOnly token (the page script adds fp and fp_parts with your fingerprint). Max-Age 1 year, Secure, SameSite=Lax.