Some Web Information about You and Your Request

Here is some information retrieved from you and your browser:

System Information

Your IP address is: 216.73.216.134
Your browser is using your computer's port: 62653

Browser Information

Your [default] browser is: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
This interaction with your browser uses this method for communicating data: GET

Server Information

The name of the Web server running this script is: walker.cs.grinnell.edu
The IP address of this Web server is: 165.227.189.198
The port used on this server is: 443
The administrator of this server may be reached at: webmaster@walker.cs.grinnell.edu

Information from ipinfo.io about your IP address

The following is a selected subset of information available from http://ipinfo.io, based on your IP address.

ip: 216.73.216.134
city: Columbus
region: Ohio
country: US
loc: 39.9612,-82.9988
org: AS16509 Amazon.com, Inc.
postal: 43215
timezone: America/New_York
readme: https://ipinfo.io/missingauth

(Note the 'loc' field gives latitude and longitude)

History Information

There is no record when you last visited this page previously

More Browser Information

Finally, the following table provides some additional information regarding your browser.
(But note that commerical Web developers can learn much more than this!)

Data Field/Variable	Browser-supplied Data
USER	"walker"
HOME	"\/home\/walker"
SCRIPT_NAME	"\/fluency-book\/web-info.php"
REQUEST_URI	"\/fluency-book\/web-info.php"
QUERY_STRING	""
REQUEST_METHOD	"GET"
SERVER_PROTOCOL	"HTTP\/2.0"
GATEWAY_INTERFACE	"CGI\/1.1"
REMOTE_PORT	"62653"
SCRIPT_FILENAME	"\/home\/walker\/public_html\/fluency-book\/web-info.php"
SERVER_ADMIN	"webmaster@walker.cs.grinnell.edu"
CONTEXT_DOCUMENT_ROOT	"\/home\/walker\/public_html"
CONTEXT_PREFIX	""
REQUEST_SCHEME	"https"
DOCUMENT_ROOT	"\/home\/walker\/public_html"
REMOTE_ADDR	"216.73.216.134"
SERVER_PORT	"443"
SERVER_ADDR	"165.227.189.198"
SERVER_NAME	"walker.cs.grinnell.edu"
SERVER_SOFTWARE	"Apache"
SERVER_SIGNATURE	""
PATH	"\/usr\/local\/jdk\/bin:\/usr\/kerberos\/sbin:\/usr\/kerberos\/bin:\/usr\/local\/sbin:\/usr\/local\/bin:\/sbin:\/bin:\/usr\/sbin:\/usr\/bin:\/usr\/X11R6\/bin:\/usr\/local\/bin:\/usr\/X11R6\/bin:\/root\/bin:\/opt\/bin"
HTTP_X_HTTPS	"1"
HTTP_HOST	"walker.cs.grinnell.edu"
HTTP_ACCEPT_ENCODING	"gzip, br, zstd, deflate"
HTTP_USER_AGENT	"Mozilla\/5.0 AppleWebKit\/537.36 (KHTML, like Gecko; compatible; ClaudeBot\/1.0; +claudebot@anthropic.com)"
HTTP_ACCEPT	"\/"
proxy-nokeepalive	"1"
H2_STREAM_TAG	"3198254-425-7"
H2_STREAM_ID	"7"
H2_PUSHED_ON	""
H2_PUSHED	""
H2_PUSH	"off"
H2PUSH	"off"
HTTP2	"on"
SSL_TLS_SNI	"walker.cs.grinnell.edu"
HTTPS	"on"
SCRIPT_URI	"https:\/\/walker.cs.grinnell.edu\/fluency-book\/web-info.php"
SCRIPT_URL	"\/fluency-book\/web-info.php"
UNIQUE_ID	"alPKsmqmKnQYelRgI0CN5wABmAI"
FCGI_ROLE	"RESPONDER"
PHP_SELF	"\/fluency-book\/web-info.php"
REQUEST_TIME_FLOAT	1783876274.48451709747314453125
REQUEST_TIME	1783876274
argv	[]
argc	0
USER	"walker"
HOME	"\/home\/walker"
SCRIPT_NAME	"\/fluency-book\/web-info.php"
REQUEST_URI	"\/fluency-book\/web-info.php"
QUERY_STRING	""
REQUEST_METHOD	"GET"
SERVER_PROTOCOL	"HTTP\/2.0"
GATEWAY_INTERFACE	"CGI\/1.1"
REMOTE_PORT	"62653"
SCRIPT_FILENAME	"\/home\/walker\/public_html\/fluency-book\/web-info.php"
SERVER_ADMIN	"webmaster@walker.cs.grinnell.edu"
CONTEXT_DOCUMENT_ROOT	"\/home\/walker\/public_html"
CONTEXT_PREFIX	""
REQUEST_SCHEME	"https"
DOCUMENT_ROOT	"\/home\/walker\/public_html"
REMOTE_ADDR	"216.73.216.134"
SERVER_PORT	"443"
SERVER_ADDR	"165.227.189.198"
SERVER_NAME	"walker.cs.grinnell.edu"
SERVER_SOFTWARE	"Apache"
SERVER_SIGNATURE	""
PATH	"\/usr\/local\/jdk\/bin:\/usr\/kerberos\/sbin:\/usr\/kerberos\/bin:\/usr\/local\/sbin:\/usr\/local\/bin:\/sbin:\/bin:\/usr\/sbin:\/usr\/bin:\/usr\/X11R6\/bin:\/usr\/local\/bin:\/usr\/X11R6\/bin:\/root\/bin:\/opt\/bin"
HTTP_X_HTTPS	"1"
HTTP_HOST	"walker.cs.grinnell.edu"
HTTP_ACCEPT_ENCODING	"gzip, br, zstd, deflate"
HTTP_USER_AGENT	"Mozilla\/5.0 AppleWebKit\/537.36 (KHTML, like Gecko; compatible; ClaudeBot\/1.0; +claudebot@anthropic.com)"
HTTP_ACCEPT	"\/"
proxy-nokeepalive	"1"
H2_STREAM_TAG	"3198254-425-7"
H2_STREAM_ID	"7"
H2_PUSHED_ON	""
H2_PUSHED	""
H2_PUSH	"off"
H2PUSH	"off"
HTTP2	"on"
SSL_TLS_SNI	"walker.cs.grinnell.edu"
HTTPS	"on"
SCRIPT_URI	"https:\/\/walker.cs.grinnell.edu\/fluency-book\/web-info.php"
SCRIPT_URL	"\/fluency-book\/web-info.php"
UNIQUE_ID	"alPKsmqmKnQYelRgI0CN5wABmAI"
FCGI_ROLE	"RESPONDER"
PHP_SELF	"\/fluency-book\/web-info.php"
REQUEST_TIME_FLOAT	1783876274.48451709747314453125
REQUEST_TIME	1783876274
argv	[]
argc	0

This document is available on the World Wide Web as

http://www.cs.grinnell.edu/~walker/fluency-book-2/web-info.php

script created July 15, 2003 by Henry M. Walker, (walker@cs.grinnell.edu)
script revised August 9, 2010
script revised for PHP version 8.1.33 on November 1, 2025
this page generated: Sunday, July 12, 2026 at 5:11 PM.