Let's Encrypt

Let's Encrypt Network

Detection Information

The following page provides details on IP networks and domains used by Let's Encrypt. You can use this information to manage or block Let's Encrypt apps, web access and more.

Description

Let’s Encrypt is a free, automated, and open certificate authority brought to you by the non-profit Internet Security Research Group (ISRG).

External Resources

Let's Encrypt - Home Page

Manage Bandwidth

Do you know how much Let's Encrypt traffic flows through your network? Netify's application detection engine and reporting provides insights to help manage your network.

What gets measured, gets managed.

Learn More

Domains

Primary Domains

lencr.org
letsencrypt.org

Platform Domains

lencr.edgesuite.net

CDN

Akamai

Protocols and Port Statistics

Protocol	Port	Flow Percent
HTTP	TCP 80	98%
HTTPS	TCP 443	1.8%

Networks and IPs

Detected Networks

Network/IP	Shared
64.62.250.111
95.100.19.124
103.115.228.11

Content Delivery Networks - CDNs

Network/IP	CDN	Shared
2.16.100.112	Akamai
2.16.107.43	Akamai
2.16.107.99	Akamai
2.16.172.43	Akamai
172.65.32.248	CloudFlare
and 744 more

Data Feed API

The data shown here is also available via our Netify Informatics API. Please contact us for subscription details.

"data": {
    "tag": "netify.twitter",
    "label": "Twitter",
    "shared_ip_detected": true,
    "category": {
        "id": 24,
        "tag": "social-media",
        "label": "Social Media"
    },
    ...
    "network_list": [
        {
            "network": "104.123.31.44/32",
            "version": "ipv4",
            "detection_type": "ai",
            "shared": false,
            "platform": {
                "id": 1002,
                "tag": "akamai",
                "label": "Akamai",
                "category": {
                    "id": 2,
                    "tag": "cdn",
                    "label": "CDN"
                },
            }
       },
       ...

Integration and Custom Solutions

Do you have any questions about integration, APIs or custom development?