SendGrid Network

Detection Information

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


SendGrid - Logo

SendGrid is an email deliverability solution and cloud-based customer communication platform. Third-party companies use their service for market tracking, scalability, and delivery expertise.



External Resources

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Primary Domains


Protocols and Port Statistics

Protocol Port Flow Percent
HTTPS TCP 443 51%
HTTP TCP 80 42%
SMTP Mail TCP 25 7%
Secure SMTP Mail TCP 465 < 1%

Networks and IPs

ASN Networks

  • and 10 more

Cloud Service Networks - SaaS

IP Platform Service Shared - Logo SendGrid Email - Logo SendGrid Email - Logo SendGrid Email - Logo SendGrid Email - Logo SendGrid Email
and 6 more
Summary # of IPs
Logo SendGrid 11

Content Delivery Networks - CDNs

IP CDN Shared - Logo CloudFlare
Summary # of IPs
Logo 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": "",
            "version": "ipv4",
            "detection_type": "ai",
            "shared": false,
            "platform": {
                "id": 1002,
                "tag": "akamai",
                "label": "Akamai",
                "category": {
                    "id": 2,
                    "tag": "cdn",
                    "label": "CDN"

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