www.4byte.directory - urlscan.io

Summary

This website contacted 1 IPs in 1 countries across 1 domains to perform 4 HTTP transactions. The main IP is 2a06:98c1:3120::3, located in United States and belongs to CLOUDFLARENET, US. The main domain is www.4byte.directory. The Cisco Umbrella rank of the primary domain is 537389.
TLS certificate: Issued by GTS CA 1P5 on October 23rd 2023. Valid for: 3 months.

This is the only time www.4byte.directory was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

	IP Address		AS Autonomous System
4	2a06:98c1:312... 2a06:98c1:3120::3		13335 (CLOUDFLAR...) (CLOUDFLARENET)
4	1

4 2a06:98c1:3120::3 (United States)

ASN13335 (CLOUDFLARENET, US)

www.4byte.directory	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
4	4byte.directory www.4byte.directory — Cisco Umbrella Rank: 537389	26 KB
4	1

	Domain	Requested by
4	www.4byte.directory	www.4byte.directory
4	1

This site contains links to these domains. Also see Links.

Domain
github.com
beaconcha.in

Subject Issuer	Validity	Valid
4byte.directory GTS CA 1P5	`2023-10-23` - `2024-01-21`	3 months	crt.sh

This page contains 1 frames:

Primary Page: https://www.4byte.directory/signatures/?bytes4_signature=0xa9059cbb
Frame ID: D95F8A8428D528894ABE4B6F621DBF4C
Requests: 4 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

Ethereum Signature Database

Detected technologies

Bootstrap (Web Frameworks) Expand

Overall confidence: 100%
Detected patterns

<link[^>]* href=[^>]*?bootstrap(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)[^>]*?(?:\.min)?\.css

Page Statistics

4
Requests

100 %
HTTPS

100 %
IPv6

1
Domains

1
Subdomains

1
IPs

1
Countries

26 kB
Transfer

147 kB
Size

0
Cookies

3 Outgoing links

These are links going to different origins than the main page.

URL: https://github.com/gobitfly/ethereum-function-signature-registry
Title: Github Project Page

Search URL Search Domain Scan URL

URL: https://github.com/gobitfly/ethereum-function-signature-registry/issues/new
Title: File an issue

Search URL Search Domain Scan URL

URL: https://beaconcha.in/
Title: beaconcha.in

Search URL Search Domain Scan URL

Redirected requests

There were HTTP redirect chains for the following requests:

4 HTTP transactions
0 data transactions

Method
Protocol Status Resource
Path Size
x-fer Time
Latency Type
MIME-Type IP
Location

GET
H2 200 Primary Request / Show response
www.4byte.directory/signatures/ 5 KB
2 KB 202ms
121ms Document
text/html 2a06:98c1:3120::3
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://www.4byte.directory/signatures/?bytes4_signature=0xa9059cbb

Protocol

H2

Security

TLS 1.3, , AES_128_GCM

Server

2a06:98c1:3120::3 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

93772d219b95cd5b149200616bcd5d915783302421899f514570344fffce7a0c

Security Headers

Name	Value
X-Frame-Options	SAMEORIGIN

Request headers

Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.109 Safari/537.36
accept-language: nl-NL,nl;q=0.9

Response headers

alt-svc: h3=":443"; ma=86400
cf-cache-status: DYNAMIC
cf-ray: 8361c510f8e9670a-AMS
content-encoding: br
content-type: text/html; charset=utf-8
date: Fri, 15 Dec 2023 21:27:18 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=PQHcCGKY%2ByS0Z4dURdNYaIBMdWjE069JaSsVyZ4pmt6t1XJ8Dj7jgPrSpvRySsBrQ67jRthl9DKae3ZK8KyhqoiVMHtQ0tlbw7zDDbgeRBnQenLIGvGhPJznv5umytFJ%2F83SR297YBbpBvJnMCxJU4ln"}],"group":"cf-nel","max_age":604800}
server: cloudflare
x-frame-options: SAMEORIGIN

GET
H2 200 project.css
www.4byte.directory/static/css/ 689 B
688 B 98ms
92ms Stylesheet
text/css 2a06:98c1:3120::3
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://www.4byte.directory/static/css/project.css
Requested by: Host: www.4byte.directory
URL: https://www.4byte.directory/signatures/?bytes4_signature=0xa9059cbb
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2a06:98c1:3120::3 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: 2c4162c03950a17d63aee6e38c393347bf747474477d62a29eaf87de11acac6c

Request headers

accept-language: nl-NL,nl;q=0.9
Referer: https://www.4byte.directory/signatures/?bytes4_signature=0xa9059cbb
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.109 Safari/537.36

Response headers

date: Fri, 15 Dec 2023 21:27:18 GMT
content-encoding: br
cf-cache-status: REVALIDATED
last-modified: Fri, 27 Oct 2023 09:30:17 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
etag: W/"653b8329-2b1"
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=6VhfG0rbtat%2FIzyikv60IQaCcsole4ZCdKnHpXyvbh5IwDoJDq5W2a54o90sa38XT8n%2FahjKXSAFonZ7D1gnHvullFklwLFof3WOFVC9Z5yLvHMjDSojIp6BNcpskL1BDd0pZs3Vsu0pJ3pqW0%2F09hul"}],"group":"cf-nel","max_age":604800}
content-type: text/css
cache-control: max-age=14400
cf-ray: 8361c511d9e3670a-AMS
alt-svc: h3=":443"; ma=86400

GET
H2 200 bootstrap.min.css
www.4byte.directory/static/css/ 118 KB
20 KB 100ms
98ms Stylesheet
text/css 2a06:98c1:3120::3
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://www.4byte.directory/static/css/bootstrap.min.css
Requested by: Host: www.4byte.directory
URL: https://www.4byte.directory/signatures/?bytes4_signature=0xa9059cbb
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2a06:98c1:3120::3 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: eece6e0c65b7007ab0eb1b4998d36dafe381449525824349128efc3f86f4c91c

Request headers

accept-language: nl-NL,nl;q=0.9
Referer: https://www.4byte.directory/signatures/?bytes4_signature=0xa9059cbb
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.109 Safari/537.36

Response headers

date: Fri, 15 Dec 2023 21:27:18 GMT
content-encoding: br
cf-cache-status: REVALIDATED
last-modified: Fri, 27 Oct 2023 09:30:17 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
etag: W/"653b8329-1d9ac"
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=VHVJkCKTJNQjYu6gf%2Fzn7JQSakbWFzLyisOpA3AxdSSlxKzZE%2BIaYPTs0TnCpFY6lkvns6zyTNgQe5hpS1HXScA4zJCyqLN5LxDGGGMpb0CthJHCcBSZBZEmO026qKnoIOa6yedDTvDo7blKqjV8KNQ3"}],"group":"cf-nel","max_age":604800}
content-type: text/css
cache-control: max-age=14400
cf-ray: 8361c511d9e5670a-AMS
alt-svc: h3=":443"; ma=86400

GET
H2 200 bootstrap-theme.min.css
www.4byte.directory/static/css/ 23 KB
3 KB 96ms
95ms Stylesheet
text/css 2a06:98c1:3120::3
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://www.4byte.directory/static/css/bootstrap-theme.min.css
Requested by: Host: www.4byte.directory
URL: https://www.4byte.directory/signatures/?bytes4_signature=0xa9059cbb
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2a06:98c1:3120::3 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: a3c6ccd19e5c16faefbef429d042458b82c80af040f450b1ee208dba88d5b0df

Request headers

accept-language: nl-NL,nl;q=0.9
Referer: https://www.4byte.directory/signatures/?bytes4_signature=0xa9059cbb
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.109 Safari/537.36

Response headers

date: Fri, 15 Dec 2023 21:27:18 GMT
content-encoding: br
cf-cache-status: REVALIDATED
last-modified: Fri, 27 Oct 2023 09:30:17 GMT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
etag: W/"653b8329-5b71"
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=cSjL5yimPqKknpw3g98KCEr8MAApooOaYQ96w8LW4EVa%2BLGj11%2B%2FOB5oZHn5UhuQ7967x08SZteTO3fJkqYhEFwaoSA8%2Fd9Qh7QutONkKxLpBfARs1f%2F4D8st9ElcBZsBc5s71oxw9DpvTzEW2VQcCrC"}],"group":"cf-nel","max_age":604800}
content-type: text/css
cache-control: max-age=14400
cf-ray: 8361c511d9e8670a-AMS
alt-svc: h3=":443"; ma=86400

Verdicts & Comments Add Verdict or Comment

1 JavaScript Global Variables

These are the non-standard "global" variables defined on the window object. These can be helpful in identifying possible client-side frameworks and code.

object| documentPictureInPicture

0 Cookies

Cookies are little pieces of information stored in the browser of a user. Whenever a user visits the site again, he will also send his cookie values, thus allowing the website to re-identify him even if he changed locations. This is how permanent logins work.

Security Headers

This page lists any security headers set by the main page. If you want to understand what these mean and how to use them, head on over to this page

Header	Value
X-Frame-Options	SAMEORIGIN

Indicators

This is a term in the security industry to describe indicators such as IPs, Domains, Hashes, etc. This does not imply that any of these indicate malicious activity.

www.4byte.directory
2a06:98c1:3120::3
2c4162c03950a17d63aee6e38c393347bf747474477d62a29eaf87de11acac6c
93772d219b95cd5b149200616bcd5d915783302421899f514570344fffce7a0c
a3c6ccd19e5c16faefbef429d042458b82c80af040f450b1ee208dba88d5b0df
eece6e0c65b7007ab0eb1b4998d36dafe381449525824349128efc3f86f4c91c

www.4byte.directory Open in urlscan Pro 2a06:98c1:3120::3 Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

Screenshot Live screenshot Full Image

Page Title

Detected technologies

Page Statistics

4 Requests

100 %HTTPS

100 %IPv6

1 Domains

1 Subdomains

1 IPs

1 Countries

26 kBTransfer

147 kBSize

0 Cookies

3 Outgoing links

Redirected requests

4 HTTP transactions Everything HTML Script AJAX CSS Image Expand all 0 data transactions

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Verdicts & Comments Add Verdict or Comment

1 JavaScript Global Variables

0 Cookies

Security Headers

Indicators

www.4byte.directory Open in urlscan Pro
2a06:98c1:3120::3 Public Scan

Screenshot
Live screenshot

Full Image

4
Requests

100 %
HTTPS

100 %
IPv6

1
Domains

1
Subdomains

1
IPs

1
Countries

26 kB
Transfer

147 kB
Size

0
Cookies

4 HTTP transactions
0 data transactions