NETWORK GUIDE
This page uses 208.67.222.222 and 208.67.220.220 as network-layer examples. Primary and secondary labels describe configuration entries; they are not performance, priority, or reliability verdicts.
This guide explains public network concepts. Routes, ownership records, and Geo data can change; verify time-sensitive decisions with the source or network operator.
Guide category
Compare public DNS, Anycast, CDN behavior, DNS resolution, and Geo estimate differences.
Open the IP pages for 208.67.222.222 and 208.67.220.220 and record the Geo estimate, ISP, ASN, BGP prefix, sources, and query time. Addresses in one ASN can still use different prefixes or route entry points.
No. Primary and secondary addresses normally provide redundant client configuration. This page does not test DNS latency, packet loss, or failover behavior.
Use the operator's current resolver and setup documentation. For real performance comparisons, repeat tests from the same device, network, and time windows.
View Geo, ISP, ASN, BGP prefix, source labels, and query time for 208.67.222.222 · OpenDNS.
View Geo, ISP, ASN, BGP prefix, source labels, and query time for 208.67.220.220 · OpenDNS Secondary.
Continue with Primary and Secondary Public DNS Resolver Guide.
View Geo, ISP, ASN, BGP prefix, source labels, and query time for 208.67.222.222 · OpenDNS.
View Geo, ISP, ASN, BGP prefix, source labels, and query time for 208.67.220.220 · OpenDNS Secondary.
View the address's Geo estimate, ISP, ASN, BGP prefix, sources, and query time.
View the address's Geo estimate, ISP, ASN, BGP prefix, sources, and query time.
Review Google network organization fields, prefixes, peers, upstreams, and downstreams.
Review Cloudflare network organization fields, prefixes, peers, upstreams, and downstreams.
Review Microsoft network organization fields, prefixes, peers, upstreams, and downstreams.
Review Amazon network organization fields, prefixes, peers, upstreams, and downstreams.
Compare common public resolvers by IP, Geo estimate, ISP, ASN, and BGP prefix, with clear limits for each public field.
Read Google DNS vs Cloudflare DNS through public resolver IPs, ASN and BGP prefixes, and current operator documentation.
Read Cloudflare DNS vs Quad9 through public resolver IPs, ASN and BGP prefixes, and current operator documentation.
Read Google DNS vs Quad9 through public resolver IPs, ASN and BGP prefixes, and current operator documentation.
Explain the role differences in Public DNS vs Enterprise DNS and show exactly how far public IP, ASN, and BGP evidence can support the comparison.
Explain the role differences in Enterprise DNS vs Security DNS and show exactly how far public IP, ASN, and BGP evidence can support the comparison.
Use real IP and ASN pages to understand ASNs, BGP prefixes, peers, upstreams, and downstreams, including the limits of each snapshot.
Build troubleshooting context from an IP, BGP prefix, ASN, and public network relationships without treating static route data as a packet path.
Compare representative cloud and edge networks by ASN, announced prefixes, peers, upstreams, and downstreams without inferring a specific host or customer workload.
Record the relevant IP, ASN, BGP prefix, source labels, and query time first. Verify claims about DNS behavior, network operators, or product capabilities against current operator documentation or the relevant registry.
No. Geolocation, organization labels, and a single route observation all have source and time limits. They cannot independently prove a precise physical location, final provider, security status, or long-term performance.
Repeat the check from another network or time window, compare the related IP and ASN pages, and confirm service-level claims against the operator's current documentation.