Polyfill Network

Detection Information

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


Polyfill - Logo

Polyfill.io makes it simpler to support differing web browsers by attempting to recreate the missing features with polyfills. Developers can make use of the latest features in browsers while maintaining compatibilty.



External Resources

Manage Bandwidth

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Primary Domains

  • polyfill.io

Platform Domains

Logo Fastly polyfill.map.fastly.net

Protocols and Port Statistics

Protocol Port Flow Percent
HTTPS TCP 443 > 99%
HTTP TCP 80 < 1%

Networks and IPs

Content Delivery Networks - CDNs

IP CDN Shared - Logo Fastly - Logo Fastly - Logo Fastly - Logo Fastly - Logo Fastly
and 74 more
Summary # of IPs
Logo Fastly 79

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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