OpenDNS (Cisco Umbrella) IP Ranges
OpenDNS, now part of Cisco Umbrella, is a public DNS resolver with optional content filtering and phishing protection. Its primary resolvers are 208.67.222.222 and 208.67.220.220 under AS36692.
- Provider
- OpenDNS (Cisco Umbrella)
- Primary ASN
- AS36692
- Category
- DNS
- Headquarters
- San Francisco, CA, USA
Known IP ranges
The following IP prefixes are registered to OpenDNS (Cisco Umbrella) or commonly associated with their network. Full prefix sets change over time — use WHOIS Lookup for the authoritative current record for any specific IP.
208.67.216.0/21
208.69.32.0/21
146.112.0.0/16
What does a OpenDNS (Cisco Umbrella) IP mean in a privacy test?
An OpenDNS IP (AS36692) appearing in a DNS leak test means your DNS queries resolve through OpenDNS. This is a positive result if you deliberately configured OpenDNS. It is not a leak in that case.
Related tools
Frequently asked questions
What IP addresses does OpenDNS use?
OpenDNS primary resolvers are 208.67.222.222 and 208.67.220.220, within 208.67.216.0/21 under AS36692. FamilyShield resolvers are 208.67.222.123 and 208.67.220.123.
Is OpenDNS good for privacy and safety?
OpenDNS offers phishing and malware domain blocking and optional content categories. It is operated by Cisco. For pure privacy without filtering, resolvers such as Quad9 or Cloudflare may be preferred.
Why does OpenDNS appear in my DNS leak test?
If a DNS leak test shows AS36692 (OpenDNS), your device is sending DNS queries to OpenDNS. This is expected if you set OpenDNS manually, and is not a leak.
How do I look up an OpenDNS IP address?
Enter 208.67.222.222 in MyIPScan IP Geolocation Lookup. It returns AS36692 (OpenDNS / Cisco) with San Francisco as the organization location.
What ASN does OpenDNS use?
OpenDNS uses AS36692, now under Cisco. Seeing AS36692 as your resolver in a DNS test means OpenDNS is handling your queries.