Let's Encrypt Application

Application Information

The following page provides details on domains, networks, IPs, hosting services, and content delivery networks used by Let's Encrypt.

Description

Let's Encrypt - Logo

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

Category Technology
Web Link Let's Encrypt - Home Page

Network Intelligence

The network data shown here is also available via the Netify Data Feed API. We provide network intelligence to help deliver better digital experiences to end users and businesses.

Netify Data Feeds

Domains

Primary Domains

SaaS - Software-as-a-Service

Applications often use various third party platforms for providing authentication, advertisements, customer tracking, cybersecurity, e-mail services and more. The Software-as-a-Service (SaaS) platforms used by Let's Encrypt are summarized below by geographical points-of-presence (PoP).

Each PoP can host many IPs to deliver an application. A sample IP is provided. Typically, the IP addresses on Software-as-a-Service platforms are shared by multiple applications.

SaaS # of IPs
Logo Email Studio 1
Logo LiveIntent 1
Logo Discourse 1
Service Category PoP Location Sample IP IPs
- Logo LiveIntent Advertiser Tokyo Japan 184.26.248.133 1 IP
- Logo Discourse Social Media Core Network United States 184.105.99.43 1 IP
- Logo Email Studio Advertiser London United Kingdom 104.82.116.198 1 IP

Hosting

Hosting vendors like AWS and Microsoft Azure provide cloud-based computing and network resources to deliver applications. The hosting platforms used by Let's Encrypt are summarized below by geographical points-of-presence (PoP).

Each PoP can host many IPs to deliver an application. A sample IP is provided.

Cloud Hosts # of IPs
Logo Netlify 5
Logo Amazon AWS 1
Hosting Platform Network PoP Location Sample IP IPs
- Logo Amazon AWS - Logo Amazon AWS US West (N. California) United States 52.9.173.94 1 IP
- Logo Netlify - Logo Amazon AWS Asia Pacific (Sydney) Australia 3.24.66.78 1 IP
- Logo Netlify - Logo Amazon AWS Europe (Frankfurt) Germany 3.70.101.28 3 IPs
- Logo Netlify - Logo Amazon AWS US East (N. Virginia) United States 35.169.59.174 1 IP

Content Delivery Networks - CDNs

In order to get information to end users more quickly, many applications are distributed from multiple geographical points-of-presence (PoPs) using Content Delivery Networks (CDNs).

Each PoP can host many IPs to deliver an application. A sample IP is provided.

Take special note of CDNs that use Anycast technology. Anycast makes it possible to route a single IP address to a variety of different geographic locations. In other words, one global Anycast IP is hosted in multiple geographic locations.

CDNs # of IPs
Logo Akamai 2240
Logo CloudFlare 5
Service Network PoP Location Sample IP IPs
- Logo CloudFlare - Logo CloudFlare Core Network United States 23.178.112.203 3 IPs
- Logo CloudFlare - Logo CloudFlare Anycast Global 172.65.32.248 2 IPs
- Logo Akamai ASN AS4775 Core Network Philippines 23.8.192.173 17 IPs
- Logo Akamai - Logo Akamai Marseille France 23.55.144.202 5 IPs
- Logo Akamai - Logo Akamai Isando South Africa 104.75.206.77 20 IPs
- Logo Akamai - Logo Akamai Helsinki Finland 184.51.233.5 2 IPs
- Logo Akamai - Logo Akamai Warsaw Poland 23.64.232.130 12 IPs
- Logo Akamai - Logo Akamai Cape Town South Africa 2.16.199.49 9 IPs
- Logo Akamai - Logo Akamai Frankfurt Germany 23.37.41.57 54 IPs
- Logo Akamai - Logo Akamai Chicago United States 2.17.95.148 184 IPs
- Logo Akamai - Logo Akamai Milano Italy 2.20.237.119 87 IPs
- Logo Akamai - Logo Akamai London United Kingdom 2.19.145.140 61 IPs
- Logo Akamai - Logo Akamai Vienna Austria 23.192.94.59 11 IPs
- Logo Akamai - Logo Akamai Amsterdam Netherlands 23.5.172.116 8 IPs
- Logo Akamai - Logo Akamai Paris France 2.18.132.199 13 IPs
- Logo Akamai - Logo Akamai Istanbul Turkey 2.18.201.128 2 IPs
- Logo Akamai - Logo Akamai Palermo Italy 2.19.26.63 2 IPs
- Logo Akamai - Logo Akamai Athens Greece 104.103.236.172 4 IPs
- Logo Akamai - Logo Akamai Seattle United States 2.19.142.66 50 IPs
- Logo Akamai - Logo Akamai Madrid Spain 23.39.78.66 59 IPs
- Logo Akamai - Logo Akamai Johannesburg South Africa 23.42.14.59 6 IPs
- Logo Akamai - Logo Akamai Core Network Germany 2.21.21.24 2 IPs
- Logo Akamai - Logo Akamai Glattbrugg Switzerland 104.77.33.246 9 IPs
- Logo Akamai - Logo Akamai Copenhagen Denmark 2.21.47.128 3 IPs
- Logo Akamai - Logo Akamai Stockholm Sweden 2.21.200.181 7 IPs
- Logo Akamai - Logo Akamai Ashburn United States 23.0.18.191 113 IPs
- Logo Akamai - Logo Akamai Munich Germany 23.0.93.17 15 IPs
- Logo Akamai - Logo Akamai Sydney Australia 23.0.110.114 80 IPs
- Logo Akamai - Logo Akamai Rome Italy 23.1.70.102 4 IPs
- Logo Akamai - Logo Akamai Fortaleza Brazil 23.1.84.7 4 IPs
- Logo Akamai - Logo Akamai Core Network United States 23.1.201.23 79 IPs
- Logo Akamai - Logo Akamai Buenos Aires Argentina 23.1.211.165 18 IPs
- Logo Akamai - Logo Akamai Los Angeles United States 23.6.179.41 82 IPs
- Logo Akamai - Logo Akamai Hong Kong Hong Kong 23.41.64.215 15 IPs
- Logo Akamai - Logo Akamai Sao Paulo Brazil 23.2.189.191 23 IPs
- Logo Akamai - Logo Akamai Schiphol Netherlands 23.2.228.139 7 IPs
- Logo Akamai - Logo Akamai Sterling United States 23.6.75.193 8 IPs
- Logo Akamai - Logo Akamai Mexico City Mexico 23.3.178.131 7 IPs
- Logo Akamai - Logo Akamai Dallas United States 23.4.48.51 90 IPs
- Logo Akamai - Logo Akamai Rio de Janeiro Brazil 23.5.30.134 3 IPs
- Logo Akamai - Logo Akamai Toronto Canada 23.5.101.162 33 IPs
- Logo Akamai - Logo Akamai Atlanta United States 96.17.39.167 61 IPs
- Logo Akamai - Logo Akamai Santa Clara United States 23.56.118.188 49 IPs
- Logo Akamai - Logo Akamai Bogota Colombia 23.7.14.126 8 IPs
- Logo Akamai - Logo Akamai Lithia Springs United States 23.7.38.43 8 IPs
- Logo Akamai - Logo Akamai Mount Prospect United States 23.7.111.230 22 IPs
- Logo Akamai - Logo Akamai El Segundo United States 23.7.131.215 56 IPs
- Logo Akamai - Logo Akamai Mumbai India 23.9.240.127 8 IPs
- Logo Akamai - Logo Akamai New Delhi India 23.10.224.88 12 IPs
- Logo Akamai - Logo Akamai Jakarta Indonesia 23.11.48.10 1 IP
- Logo Akamai - Logo Akamai Pak Kret Thailand 23.11.148.177 2 IPs
- Logo Akamai - Logo Akamai Brisbane Australia 23.12.60.59 8 IPs
- Logo Akamai - Logo Akamai Santiago Chile 23.12.118.18 3 IPs
- Logo Akamai - Logo Akamai Core Network Sweden 23.13.248.160 5 IPs
- Logo Akamai - Logo Akamai New York United States 23.14.153.114 11 IPs
- Logo Akamai - Logo Akamai Cyberjaya Malaysia 23.15.18.116 1 IP
- Logo Akamai - Logo Akamai Miami United States 23.15.51.138 152 IPs
- Logo Akamai - Logo Akamai Queretaro Mexico 23.15.168.226 8 IPs
- Logo Akamai - Logo Akamai Core Network Indonesia 23.32.227.219 1 IP
- Logo Akamai - Logo Akamai Piscataway United States 23.50.66.96 23 IPs
- Logo Akamai - Logo Akamai Boston United States 23.34.92.85 7 IPs
- Logo Akamai - Logo Akamai Kolkata India 23.36.27.185 1 IP
- Logo Akamai - Logo Akamai Melbourne Australia 23.37.141.63 31 IPs
- Logo Akamai - Logo Akamai Tokyo Japan 23.37.146.226 9 IPs
- Logo Akamai - Logo Akamai Fujairah United Arab Emirates 23.37.176.227 1 IP
- Logo Akamai - Logo Akamai Norfolk United States 23.38.126.17 3 IPs
- Logo Akamai - Logo Akamai Philadelphia United States 23.208.41.90 4 IPs
- Logo Akamai - Logo Akamai Core Network Australia 23.53.135.197 5 IPs
- Logo Akamai - Logo Akamai Singapore Singapore 23.39.15.207 47 IPs
- Logo Akamai - Logo Akamai Secaucus United States 23.192.6.235 13 IPs
- Logo Akamai - Logo Akamai Dublin Ireland 23.40.221.102 2 IPs
- Logo Akamai - Logo Akamai San Jose United States 23.41.39.245 52 IPs
- Logo Akamai - Logo Akamai T'ai-pei Taiwan 23.41.132.104 7 IPs
- Logo Akamai - Logo Akamai Perth Australia 23.42.238.2 15 IPs
- Logo Akamai - Logo Akamai Houston United States 23.195.222.59 13 IPs
- Logo Akamai - Logo Akamai Core Network Philippines 23.46.99.60 1 IP
- Logo Akamai - Logo Akamai Osaka Japan 23.47.133.157 3 IPs
- Logo Akamai - Logo Akamai Lisbon Portugal 23.47.188.32 7 IPs
- Logo Akamai - Logo Akamai Haarlem Netherlands 23.49.30.152 1 IP
- Logo Akamai - Logo Akamai Core Network India 23.49.78.32 1 IP
- Logo Akamai - Logo Akamai Richmond Hill Canada 23.49.87.92 1 IP
- Logo Akamai - Logo Akamai Core Network South Korea 23.50.121.138 3 IPs
- Logo Akamai - Logo Akamai Newark United States 23.54.161.43 3 IPs
- Logo Akamai - Logo Akamai Adelaide Australia 23.215.139.214 9 IPs
- Logo Akamai - Logo Akamai Tempe United States 23.55.241.138 10 IPs
- Logo Akamai - Logo Akamai Montreal Canada 23.58.187.118 6 IPs
- Logo Akamai - Logo Akamai Core Network Japan 23.59.6.33 3 IPs
- Logo Akamai - Logo Akamai Vancouver Canada 69.192.82.184 6 IPs
- Logo Akamai - Logo Akamai Marietta United States 23.79.36.142 11 IPs
- Logo Akamai - Logo Akamai Centurion South Africa 23.60.189.135 1 IP
- Logo Akamai - Logo Akamai Dusseldorf Germany 23.60.200.134 2 IPs
- Logo Akamai - Logo Akamai Nagpur India 23.62.3.141 1 IP
- Logo Akamai - Logo Akamai Kuala Lumpur Malaysia 23.199.133.166 3 IPs
- Logo Akamai - Logo Akamai Seoul South Korea 23.62.233.56 3 IPs
- Logo Akamai - Logo Akamai McAllen United States 23.63.230.133 4 IPs
- Logo Akamai - Logo Akamai Irving United States 23.64.171.218 17 IPs
- Logo Akamai - Logo Akamai Core Network France 104.126.234.197 3 IPs
- Logo Akamai - Logo Akamai Core Network United Kingdom 23.72.53.127 7 IPs
- Logo Akamai - Logo Akamai Core Network Brazil 23.74.193.47 3 IPs
- Logo Akamai - Logo Akamai Core Network Hong Kong 23.74.252.111 9 IPs
- Logo Akamai - Logo Akamai Minneapolis United States 23.207.70.134 13 IPs
- Logo Akamai - Logo Akamai Porto Alegre Brazil 23.77.109.209 2 IPs
- Logo Akamai - Logo Akamai Core Network Canada 23.78.76.170 2 IPs
- Logo Akamai - Logo Akamai Cleveland United States 23.193.194.81 9 IPs
- Logo Akamai - Logo Akamai Dubai United Arab Emirates 23.194.192.11 4 IPs
- Logo Akamai - Logo Akamai Hyderabad India 23.205.216.18 1 IP
- Logo Akamai - Logo Akamai Jammu India 23.206.189.9 3 IPs
- Logo Akamai - Logo Akamai Ancol Indonesia 23.209.207.212 1 IP
- Logo Akamai - Logo Akamai Bangalore India 23.213.110.130 2 IPs
- Logo Akamai - Logo Akamai Lucknow India 23.215.215.8 2 IPs
- Logo Akamai - Logo Akamai Auckland New Zealand 104.113.137.187 2 IPs
- Logo Akamai - Logo Akamai Chachoengsao Thailand 23.221.89.47 1 IP
- Logo Akamai - Logo Akamai Chennai India 184.50.19.77 6 IPs
- Logo Akamai - Logo Akamai Manchester United Kingdom 95.101.254.137 1 IP
- Logo Akamai - Logo Akamai Prague Czech Republic 104.64.126.73 1 IP
- Logo Akamai - Logo Akamai Brussels Belgium 104.68.78.9 4 IPs
- Logo Akamai - Logo Akamai Pittsburgh United States 104.70.247.195 2 IPs
- Logo Akamai - Logo Akamai Bucharest Romania 104.76.220.193 2 IPs
- Logo Akamai - Logo Akamai Tel Aviv Israel 104.79.215.20 1 IP
- Logo Akamai - Logo Akamai Core Network Taiwan 104.94.40.217 3 IPs
- Logo Akamai - Logo Akamai Las Vegas United States 104.103.180.98 3 IPs
- Logo Akamai - Logo Akamai Oslo Norway 104.110.13.236 1 IP
- Logo Akamai - Logo Akamai Surabaya Indonesia 104.118.106.50 1 IP
- Logo Akamai - Logo Akamai Core Network Singapore 118.215.113.124 2 IPs
- Logo Akamai - Logo Akamai Rancho Cordova United States 184.27.199.48 3 IPs
- Logo Akamai - Logo Akamai Hamburg Germany 184.51.73.230 1 IP
- Logo Akamai - Logo Akamai Brasilia Brazil 2 IPs
- Logo Akamai - Logo Arelion Core Network Sweden 2.23.143.200 1 IP
- Logo Akamai - Logo Arelion Helsinki Finland 62.115.253.187 4 IPs
- Logo Akamai - Logo Telefonica Madrid Spain 5.255.145.106 2 IPs
- Logo Akamai - Logo PLDT Core Network Philippines 23.8.221.107 5 IPs
- Logo Akamai - Logo Cox Las Vegas United States 23.37.230.153 6 IPs
- Logo Akamai - Logo Cox Core Network United States 68.106.122.16 2 IPs
- Logo Akamai - Logo Cox Kansas City United States 8 IPs
- Logo Akamai ASN AS9829 Core Network India 23.60.169.11 3 IPs
- Logo Akamai - Logo Xfinity Santa Clara United States 23.197.50.27 16 IPs
- Logo Akamai ASN AS12400 Core Network Israel 23.221.158.82 1 IP
- Logo Akamai - Logo Shaw Vancouver Canada 24.244.22.24 1 IP
- Logo Akamai ASN AS58511 Core Network Australia 43.225.35.74 2 IPs
- Logo Akamai - Logo Vodafone Core Network Spain 46.24.126.82 17 IPs
- Logo Akamai - Logo Jio Mumbai India 49.44.118.216 2 IPs
- Logo Akamai - Logo Jio Core Network India 49.44.150.72 4 IPs
- Logo Akamai - Logo Telstra Sydney Australia 61.9.193.159 8 IPs
- Logo Akamai - Logo Telstra Melbourne Australia 149.135.83.121 2 IPs
- Logo Akamai ASN AS29049 Core Network Azerbaijan 62.212.253.19 2 IPs
- Logo Akamai - Logo Rogers Mississauga Canada 72.136.196.129 1 IP
- Logo Akamai - Logo Rogers Don Mills Canada 72.136.197.65 2 IPs
- Logo Akamai ASN AS35047 Core Network Albania 77.242.31.230 2 IPs
- Logo Akamai - Logo Sparkle Rome Italy 92.123.106.9 7 IPs
- Logo Akamai - Logo Sparkle Palermo Italy 93.186.134.112 5 IPs
- Logo Akamai - Logo Sparkle Core Network Italy 93.186.135.67 8 IPs
- Logo Akamai ASN AS58717 Core Network Bangladesh 103.15.244.234 1 IP
- Logo Akamai - Logo Airtel Core Network India 104.108.243.106 1 IP
- Logo Akamai ASN AS141013 Core Network Philippines 116.89.245.154 3 IPs
- Logo Akamai - Logo Vocus Perth Australia 121.79.127.25 2 IPs
- Logo Akamai - Logo Vocus Melbourne Australia 139.218.20.203 1 IP
- Logo Akamai ASN AS24186 Core Network India 122.252.233.200 3 IPs
- Logo Akamai - Logo Aussie Broadband Brisbane Australia 123.253.149.138 2 IPs
- Logo Akamai - Logo Aussie Broadband Sydney Australia 180.150.1.88 2 IPs
- Logo Akamai - Logo Samsung SDS Core Network South Korea 157.197.173.179 1 IP
- Logo Akamai ASN AS5713 Core Network South Africa 165.165.47.49 2 IPs
- Logo Akamai ASN AS27947 Core Network Ecuador 181.39.103.8 8 IPs
- Logo Akamai - Logo FPT Group Hanoi Vietnam 183.80.211.163 1 IP
- Logo Akamai - Logo Bell Canada Montreal Canada 184.150.49.107 2 IPs
- Logo Akamai ASN AS8932 Core Network Armenia 185.48.240.232 2 IPs
- Logo Akamai - Logo Telmex Mexico City Mexico 189.247.174.19 4 IPs
- Logo Akamai ASN AS19429 Core Network Colombia 190.25.210.17 8 IPs
- Logo Akamai ASN AS719 Core Network Finland 193.229.109.107 2 IPs
- Logo Akamai ASN AS5385 Core Network Austria 194.183.149.202 1 IP
- Logo Akamai - Logo Dimension Data Randburg South Africa 197.80.130.80 4 IPs
- Logo Akamai - Logo Dimension Data Core Network South Africa 197.84.130.49 3 IPs
- Logo Akamai ASN AS37468 Core Network Angola 197.149.148.139 3 IPs
- Logo Akamai - Logo Flo Networks Nogales Mexico 201.174.29.139 5 IPs
- Logo Akamai - Logo Flo Networks Reynosa Mexico 201.174.232.136 2 IPs
- Logo Akamai - Logo Chunghwa Telecom Taipei Taiwan 203.69.81.49 4 IPs
- Logo Akamai ASN AS2381 Core Network United States 205.213.110.136 4 IPs
- Logo Akamai - Logo TekSavvy Toronto Canada 206.248.168.160 2 IPs
- Logo Akamai ASN AS12297 Core Network Armenia 212.73.88.210 2 IPs
- Logo Akamai - Logo VNPT Hanoi Vietnam 4 IPs

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