Rackspace Network

Detection Information

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


Rackspace - Logo

Rackspace provides dedicated and cloud infrastructure. The company also offers web, app, email hosting, data services and managed security solutions.



External Resources

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Primary Domains

  • emailsrvr.com
  • rackspace.com

Protocols and Port Statistics

Protocol Port Flow Percent
Secure IMAP Mail TCP 993 92%
SMTP Mail TCP 25 6%
Secure SMTP Mail TCP 465 1.6%
Secure POP Mail TCP 995 < 1%
HTTPS TCP 443 < 1%
HTTP TCP 80 < 1%

Networks and IPs

ASN Networks

  • and 193 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": "",
            "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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