51.net ▶ Website Data and Performance Tools

51.net | Key Trends

Online Status

Offline

Server IP address resolved: No
Http response code: None
Last Checked: 01/23/2025

51.net attracts 61,575 unique visitors daily, generating 369,452 pageviews. The estimated value of 51.net is 532,346 USD. Each visitor views approximately 6.42 pages on average.

According to Majestic's traffic estimates, 51.net ranks 38,012 globally.

51.net server is located in China, so we cannot determine if the distance might affect the page load time.

See the list of other websites hosted by HWCSNET Huawei Cloud Service data center, CN.

51.net is registered with the .NET top-level domain. Explore additional websites within the .NET zone.

A recent examination on (September 06, 2023), indicates that 51.net has an expired SSL certificate issued by Sectigo Limited (expired on September 25, 2023). Click the "Refresh" button in the Safety Information section for updated SSL details. See the list of websites using SSL certificates issued by Sectigo Limited.

According to our data, 51.net may be a suspicious domain.

Based on Google's Mobile-Friendly test, 51.net is not well optimized for mobile and tablet devices. Ensuring your site is mobile-friendly guarantees better performance across all devices, and improving the web page loading time could further enhance user experience.

51.net | General Site Information

Global Rank

Average Load Time

0.00sec

Links In Count

Website Value

$497,520

Audience Geography. Where are 51.net visitors located?

Country	Visitors

Country	Pageviews

Country	Rank

Where do visitors go on 51.net?

Subdomain	Pageviews

Subdomain	Pageviews per User

Subdomain	Reach

How popular is 51.net?

Period	Global Rank	Global Rank Delta

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta

51.net | Safety and Security Details

Overview

Last Updated: 01/23/2025

Overall result - 51.net is not safe.

We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.

Norton Connect Safe

Last Updated: 04/03/2024

51.net is safe.

Norton ConnectSafe evaluates 51.net for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 01/17/2017

51.net is safe.

SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.

Google Safe Browsing

Last Updated: 01/09/2019

51.net is safe.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.

Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.

Site Advisor

Last Updated: 03/03/2021

51.net is safe.

McAfee assesses 51.net for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze 51.net for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 01/11/2019

51.net child safety is poor.

The WOT calculates reputation of the 51.net. This reputation system receives ratings from users and information from third-party sources, assesses the 51.net for safety features and confirms, whether 51.net is suitable for children.

51.net | SSL Certificate Information

SSL Checker Tool

Domain	www.51.net
Issuer Organization	Sectigo Limited
Issuer	Sectigo RSA Domain Validation Secure Server CA
Algorithm	RSA-SHA256
Valid form	09/04/2022
Expiration	09/25/2023
Signed	Certificate is not self signed
Additional Domains	www.51.net 51.net

51.net | Server and Hosting Details

Server Location

Geolocation Tool

51.net ASN Information

ASN Lookup Tool

ASN ID: 55990
ASN Title: HWCSNET Huawei Cloud Service data center, CN

Last Update: 08/01/2024

ASN Whois

% [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS55296 - AS56319'

as-block: AS55296 - AS56319
descr: APNIC ASN block
remarks: These AS numbers are further assigned by APNIC
remarks: to APNIC members and end-users in the APNIC region
admin-c: HM20-AP
tech-c: HM20-AP
mnt-by: APNIC-HM
mnt-lower: APNIC-HM
last-modified: 2009-09-03T01:15:30Z
source: APNIC

role: APNIC Hostmaster
address: 6 Cordelia Street
address: South Brisbane
address: QLD 4101
country: AU
phone: +61 7 3858 3100
fax-no: +61 7 3858 3199
e-mail: helpdesk@apnic.net
admin-c: AMS11-AP
tech-c: AH256-AP
nic-hdl: HM20-AP
remarks: Administrator for APNIC
notify: hostmaster@apnic.net
mnt-by: MAINT-APNIC-AP
last-modified: 2013-10-23T04:06:51Z
source: APNIC

% Information related to 'AS55956 - AS56015'

as-block: AS55956 - AS56015
descr: CNNIC ASN block
country: CN
remarks: These AS numbers are further assigned by CNNIC
remarks: to CNNIC members and end-users in China
admin-c: IPAS1-AP
tech-c: IPAS1-AP
mnt-by: APNIC-HM
mnt-lower: MAINT-CNNIC-AP
last-modified: 2010-12-23T23:34:45Z
source: APNIC

role: CNNIC IPAS CONFEDERATION
address: No.4, Zhongguancun No.4 South Street,
address: Haidian District, Beijing
country: CN
phone: +86-010-58813000
fax-no: +86-010-58813075
e-mail: ipas@cnnic.cn
admin-c: IP50-AP
tech-c: IP50-AP
nic-hdl: IPAS1-AP
mnt-by: MAINT-CNNIC-AP
last-modified: 2013-09-12T07:40:01Z
source: APNIC

% Information related to 'AS55990'

% Abuse contact for 'AS55990' is 'ipas@cnnic.cn'

aut-num: AS55990
as-name: HWCSNET
descr: Huawei Cloud Service data center
country: CN
admin-c: NZ158-AP
tech-c: MH1129-AP
notify: ipas@cnnic.net.cn
mnt-by: MAINT-CNNIC-AP
mnt-irt: IRT-CNNIC-CN
last-modified: 2012-10-09T06:34:01Z
source: APNIC

irt: IRT-CNNIC-CN
address: Beijing, China
e-mail: ipas@cnnic.cn
abuse-mailbox: ipas@cnnic.cn
admin-c: IP50-AP
tech-c: IP50-AP
auth: # Filtered
remarks: Please note that CNNIC is not an ISP and is not
remarks: empowered to investigate complaints of network abuse.
remarks: Please contact the tech-c or admin-c of the network.
mnt-by: MAINT-CNNIC-AP
last-modified: 2017-11-01T08:57:39Z
source: APNIC

person: Mingliang Hao
nic-hdl: MH1129-AP
e-mail: mingliang.hao@huawei.com
address: 10/F, Xinsheng Tower, 5 Financial Street,
address: Xincheng District,Beijing,100140 P.R.China
phone: +86-18618305900
fax-no: +86-10-63762415
country: CN
mnt-by: MAINT-CNNIC-AP
last-modified: 2012-10-09T05:34:02Z
source: APNIC

person: Nina Zhao
nic-hdl: NZ158-AP
e-mail: zhaocaina@huawei.com
address: 10/F, Xinsheng Tower, 5 Financial Street,
address: Xincheng District,Beijing,100140 P.R.China
phone: +86-18601351719
fax-no: +86-10-63762415
country: CN
mnt-by: MAINT-CNNIC-AP
last-modified: 2012-10-09T05:34:02Z
source: APNIC

% This query was served by the APNIC Whois Service version 1.88.15-46 (WHOIS-US3)

51.net | Domain Name Information

WHOIS

WHOIS Lookup Tool

Domain Whois

Domain Name: 51.NET
Registry Domain ID: 604446_DOMAIN_NET-VRSN
Registrar WHOIS Server: whois.bizcn.com
Registrar URL: http://www.bizcn.com
Updated Date: 2024-07-17T01:34:41Z
Creation Date: 1997-11-04T05:00:00Z
Registry Expiry Date: 2025-12-29T18:22:07Z
Registrar: Bizcn.com, Inc.
Registrar IANA ID: 471
Registrar Abuse Contact Email:
Registrar Abuse Contact Phone:
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: XNS1.51.NET
Name Server: XNS2.51.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-10-25T07:38:39Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
51.net	www.51.net	3600
www.51.net	117.78.50.71	3600

Host	MX Record	Priority	TTL
51.net	mail.51.net	10	3600
51.net	mta.51.net	10	3600

Host	NS Record	TTL
51.net	dns1.51.net	3600
51.net	dns1.51.net	3600
51.net	dns2.51.net	3600
51.net	dns2.51.net	3600

Host	TXT Record	TTL
51.net		3600

51.net
TTL: 3600
Email address: root.51.net
Serial: 2009121513
Refresh: 21600
Retry: 7200
Expire: 604800
Minimum: 3600

51.net | HTML Validation Report

HTML Validation Tool

Errors

Almost standards mode doctype. Expected “<!DOCTYPE html>”.

A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.

Bad value “title” for attribute “http-equiv” on element “meta”.

Attribute “alt” not allowed on element “a” at this point.

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

The “width” attribute on the “table” element is obsolete. Use CSS instead.

The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.

The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.

The “border” attribute on the “table” element is obsolete. Use CSS instead.

The “width” attribute on the “td” element is obsolete. Use CSS instead.

The “align” attribute on the “td” element is obsolete. Use CSS instead.

Element “input” is missing required attribute “alt”.

The “align” attribute on the “div” element is obsolete. Use CSS instead.

Saw “<!--” within a comment. Probable cause: Nested comment (not allowed).

Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)

Attribute “border” not allowed on element “input” at this point.

Duplicate ID “con_one_1”.

The “bgcolor” attribute on the “table” element is obsolete. Use CSS instead.

The “valign” attribute on the “td” element is obsolete. Use CSS instead.

The “bgcolor” attribute on the “td” element is obsolete. Use CSS instead.

Attribute “background” not allowed on element “td” at this point.

The “height” attribute on the “td” element is obsolete. Use CSS instead.

Attribute “height” not allowed on element “table” at this point.

The “align” attribute on the “img” element is obsolete. Use CSS instead.

No space between attributes.

Table cell spans past the end of its row group established by a “tbody” element; clipped to the end of the row group.

Too many messages.

Warnings

The “language” attribute on the “script” element is obsolete. You can safely omit it.

The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.

The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.

The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.

A table row was 2 columns wide, which is less than the column count established by the first row (3).

The first occurrence of ID “con_one_1” was here.

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51.net | Key Trends

51.net | General Site Information

51.net | Safety and Security Details

51.net | Server and Hosting Details

51.net | Domain Name Information

51.net | HTML Validation Report

51.net | Desktop Performance Insights

51.net | Mobile Performance Insights

51.net | Competitors Analysis

51.net | Common Typographical Errors