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 Jose, CA, USA
- Announced IPv4 prefixes
- 667
Known IP ranges
The blocks below are the major address allocations associated with OpenDNS (Cisco Umbrella). A network of this size deaggregates heavily, so an individual route in the global routing table is usually more specific than the block shown. 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
Where the current list lives
Cisco's Umbrella DNS guide lists the resolver addresses (208.67.222.222, 208.67.220.220 and their IPv6 pair). A Cisco support article on allowed IPs for its web gateway refuses plain downloads, and we found no geofeed. Documentation Registry record checked
The current view of what the network announces is in the routing table: AS36692 on RIPEstat.
What does an 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. If you want DNS without filtering, Cloudflare's 1.1.1.1 and Quad9's unsecured 9.9.9.10 do not block malware. Quad9's default 9.9.9.9 does block malicious domains.
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 shows AS36692, registered to Cisco OpenDNS, LLC, whose registry address is in San Jose, California. The location shown is approximate.
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.