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.

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Domains

Primary Domains

lencr.org
letsencrypt.org

Platform Domains

Akamai

lencr.edgesuite.net

and 1 more

Protocols and Port Statistics

Protocol	Port	Flow Percent
HTTP	TCP 80	92%
HTTPS	TCP 443	8%

Networks and IPs

Detected Networks

IP	Shared
64.71.144.202
87.245.194.41
92.122.70.148
95.166.126.139
109.69.139.167
and 8 more

Cloud Hosting Networks

IP	Cloud Host	Shared
104.248.158.121	DigitalOcean
157.245.84.7	DigitalOcean
67.207.80.24	DigitalOcean

Summary	# of IPs
DigitalOcean	3

Content Delivery Networks - CDNs

IP	CDN	Shared
2.16.172.43	Akamai
2.16.172.51	Akamai
2.16.2.73	Akamai
2.16.2.75	Akamai
172.65.32.248	CloudFlare
and 1415 more

Summary	# of IPs
Akamai	1419
CloudFlare	1

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

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