x-upstream

HTTP response header

Header usage statistics

x-upstream response header information and usage statistics.

Websites using header x-upstream 7,474
Percentage of websites that use x-upstream header <0.1%
Total discovered header values 701
Header uses directives No
Header values are unique or random No
Most popular in the country United States of America

Distribution by websites popularity

x-upstream detection in the top websites by popularity

Top 10k sites 13 websites
Top 100k sites 30 websites
Top 1m sites 209 websites

Websites utilizing x-upstream

List of websites that use x-upstream header

Domain Country Rank Contacts
www.bu.edu United States of America 926
www.linode.com United States of America 1,010
www.dell.com United States of America 1,098
www.aparat.com Iran, Islamic Republic of 1,352
wikiwand.com United States of America 1,456
www.wikiwand.com United States of America 1,456
See full domain list
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Geographical Distribution

Header usage distribution by websites across the globe.






Common header values

List of top common x-upstream header values

Header value Value prevalence
10.0.154.49:5000 9.82%
10.32.4.18:5000 9.39%
10.104.12.148:5000 9.17%
10.0.168.125:5000 8.95%
172.26.0.28:443 6.64%
PHP7.0-SSL 3.32%
63.34.192.191:80 2.58%
176.34.135.141:80 2.25%
52.210.237.179:80 2.25%
10.0.10.102:80 2.17%
cluster_ssl 1.82%
10.24.12.4:5500 1.70%
internal-legacy-web-prod-1624043728.us-east-1.elb.amazonaws.com 1.36%
10.129.10.10:8080 1.12%
10.16.5.4:8080 1.11%
192.168.0.101:8081 1.00%
10.16.6.5:8080 0.94%
172.31.80.68:80 0.75%
10.0.3.108:80 0.71%
10.4.143.11:80 0.68%