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api.tenable.com

Tenable · tier critical (developer / API) · 3.0% of the company's traffic weight · scan of 2026-10-17

Self-hosted + AWS Route 53DNS (zone tenable.com)
CloudflareCDN & security
Cloudflare (AS13335)104.16.48.0/20

DNS records

Statuslive
CNAME chainapi.tenable.com.cdn.cloudflare.net
A104.16.49.5 104.16.48.5
AAAA2606:4700::6810:3005 2606:4700::6810:3105
Zonetenable.com
Zone NSns1.tenablesecurity.com ns2.tenablesecurity.com ns3.tenablesecurity.com
Origin ASNAS13335 Cloudflare (AS13335)
BGP prefix104.16.48.0/20

HTTP

GET / status403
/cdn-cgi/tracecloudflare (colo SEA)
cf-raya4c1a5544b93fa59-SEA
servercloudflare
via1.1 dbfd9bcc806d4c322e72b461b2458112.cloudfront.net (CloudFront)
x-amz-cf-id0DmiLOXgCZNl7o6rpi-B8-yC5nnVQsYW19aWiG2wDfz6u3VHcPFsXQ==
x-amz-cf-popSEA900-P10
x-cacheError from cloudfront
set-cookie(names)__cf_bm

Why we classified it this way

DNS

  • Self-hosted Self-hosted · NS ns1.tenablesecurity.com → 206.205.255.73 AS395671 TENABLE-NETWORK-SECURITY-INC - Tenable, (company network) (confidence 90%)
  • AWS Route 53 AWS Route 53 · NS ns2.tenablesecurity.com → 3.212.162.242 AS14618 AMAZON-AES - Amazon.com, Inc., US, ns3.tenablesecurity.com → 52.38.181.124 AS16509 AMAZON-02 - Amazon.com, Inc., US (confidence 90%)

CDN & security

  • Cloudflare Cloudflare CDN · CNAME api.tenable.com.cdn.cloudflare.net; A 104.16.49.5 in published cloudflare ranges; A 104.16.49.5 in 104.16.48.0/20 originated by AS13335; /cdn-cgi/trace valid (colo=SEA) (confidence 99%)

Behind the edge / sub-signals

  • Cloudflare Cloudflare Bot Management · cookie __cf_bm (confidence 90%)
  • AWS AWS CloudFront · behind edge: x-amz-cf-* / via CloudFront (confidence 95%)

History

ScanStatusDNSCDN & securityCNAME / AASN
2026-10-17liveSelf-hosted AWS Route 53Cloudflareapi.tenable.com.cdn.cloudflare.netAS13335