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Organization

Cisco OpenDNS, LLC

IPv4 addresses
165,120
CIDR ranges
239
Category
enterprise
BGP prefixes announced
665

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

69/100
Moderate
How this score is built
  • Baseline (neutral) 65
  • Enterprise allocation +4
  • Trust score 69 / 100

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

About OpenDNS

OpenDNS is an American company providing Domain Name System (DNS) resolution services—with features such as phishing protection, optional content filtering, and DNS lookup in its DNS servers—and a cloud computing security product suite, Umbrella, designed to protect enterprise customers from malware, botnets, phishing, and targeted online attacks. The OpenDNS Global Network processes an estimated 100 billion DNS queries daily from 85 million users through 25 data centers worldwide.

Founded
2006
Headquarters
San Francisco
Employees
12

Operates 2 networks present at 52 internet exchanges with a open peering policy.

Cisco OpenDNS, LLC — global IP footprint

Cities where Cisco OpenDNS, LLC has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.

Countries served by Cisco OpenDNS, LLC

Every country where this organization has IPv4 allocations, ranked by IPs held.

ASNs owned by Cisco OpenDNS, LLC

ASNNameIPsPrefixesCountry
AS36692 Cisco OpenDNS, LLC 164.9K 238 US
AS25605 Cisco OpenDNS, LLC 512 2 US

Largest CIDR ranges

CIDRIPsPTR DensityASNCountryStateCity
155.190.192.0/19 8.2K
2.0%
AS36692 US Texas Dallas
146.112.48.0/20 4.1K
0.7%
AS36692 US California San Jose
146.112.96.0/20 4.1K
0.0%
AS36692 US
146.112.144.0/20 4.1K
0.9%
AS36692 US
146.112.192.0/20 4.1K
0.0%
AS36692 US
146.112.240.0/20 4.1K
1.1%
AS36692 US Texas Dallas
151.186.80.0/20 4.1K
0.8%
AS36692 US Florida Miami
151.186.224.0/20 4.1K
0.0%
AS36692 US
67.215.80.0/21 2.0K
18.0%
AS36692 US
146.112.0.0/21 2.0K
0.0%
AS36692 US
146.112.40.0/21 2.0K
0.2%
AS36692 US
146.112.112.0/21 2.0K
0.0%
AS36692 US
146.112.136.0/21 2.0K
6.9%
AS36692 US
146.112.160.0/21 2.0K
0.4%
AS36692 US Washington Seattle
146.112.224.0/21 2.0K
0.8%
AS36692 US
151.186.8.0/21 2.0K
0.0%
AS36692 US Minnesota Minneapolis
151.186.120.0/21 2.0K
0.6%
AS36692 US
151.186.208.0/21 2.0K
0.0%
AS36692 US
151.186.248.0/21 2.0K
0.0%
AS36692 US
155.190.32.0/21 2.0K
0.0%
AS36692 US
155.190.224.0/21 2.0K
0.0%
AS36692 US
162.210.80.0/21 2.0K
0.0%
AS36692 US Texas Allen
163.129.192.0/21 2.0K
0.0%
AS36692 US
163.129.208.0/21 2.0K
0.0%
AS36692 US Illinois Chicago
163.129.232.0/21 2.0K
0.0%
AS36692 US
163.129.240.0/21 2.0K
0.0%
AS36692 US
208.67.216.0/21 2.0K
10.4%
AS36692 US Washington Seattle
208.69.32.0/21 2.0K
26.3%
AS36692 US Virginia Ashburn
146.112.20.0/22 1.0K
0.0%
AS36692 US California Los Angeles
146.112.40.0/22 1.0K
0.3%
AS36692 US
146.112.44.0/22 1.0K
0.0%
AS36692 US Illinois Chicago
146.112.60.0/22 1.0K
0.0%
AS36692 US California San Jose
146.112.64.0/22 1.0K
0.0%
AS36692 US
146.112.80.0/22 1.0K
0.0%
AS36692 US Minnesota Minneapolis
146.112.92.0/22 1.0K
0.0%
AS36692 US
146.112.128.0/22 1.0K
6.5%
AS36692 US
146.112.160.0/22 1.0K
0.0%
AS36692 US Washington Seattle
146.112.168.0/22 1.0K
3.4%
AS36692 US
146.112.176.0/22 1.0K
0.0%
AS36692 US
146.112.184.0/22 1.0K
4.2%
AS36692 US
146.112.200.0/22 1.0K
0.0%
AS36692 US Florida Miami
146.112.236.0/22 1.0K
4.4%
AS36692 US
151.186.0.0/22 1.0K
0.0%
AS36692 US
151.186.16.0/22 1.0K
0.0%
AS36692 US Massachusetts Boston
151.186.64.0/22 1.0K
4.3%
AS36692 US Texas Allen
151.186.100.0/22 1.0K
0.6%
AS36692 US Texas Dallas
151.186.108.0/22 1.0K
0.6%
AS36692 US
151.186.128.0/22 1.0K
0.0%
AS36692 US California Los Angeles
151.186.136.0/22 1.0K
0.0%
AS36692 US Texas Dallas
151.186.216.0/22 1.0K
0.0%
AS36692 US
151.186.240.0/22 1.0K
0.0%
AS36692 US
155.190.0.0/22 1.0K
0.0%
AS36692 US
155.190.20.0/22 1.0K
0.0%
AS36692 US Virginia Ashburn
155.190.24.0/22 1.0K
0.0%
AS36692 US New York New York
155.190.36.0/22 1.0K
0.0%
AS36692 US
155.190.44.0/22 1.0K
0.0%
AS36692 US
155.190.48.0/22 1.0K
0.0%
AS36692 US
155.190.56.0/22 1.0K
0.0%
AS36692 US
155.190.68.0/22 1.0K
0.0%
AS36692 US
155.190.100.0/22 1.0K
0.0%
AS36692 US Georgia Atlanta
155.190.128.0/22 1.0K
0.0%
AS36692 US
155.190.136.0/22 1.0K
2.7%
AS36692 US Texas Dallas
155.190.196.0/22 1.0K
0.0%
AS36692 US Texas Dallas
155.190.200.0/22 1.0K
0.0%
AS36692 US Colorado Denver
155.190.240.0/22 1.0K
0.0%
AS36692 US
163.129.196.0/22 1.0K
0.0%
AS36692 IN
163.129.204.0/22 1.0K
0.0%
AS36692 US
163.129.208.0/22 1.0K
0.0%
AS36692 JP
163.129.212.0/22 1.0K
0.0%
AS36692 US Illinois Chicago
163.129.220.0/22 1.0K
0.0%
AS36692 US
163.129.224.0/22 1.0K
0.0%
AS36692 US Colorado Denver
163.129.236.0/22 1.0K
0.0%
AS36692 US
163.129.240.0/22 1.0K
0.0%
AS36692 US
67.215.64.0/23 512
4.7%
AS36692 US Texas Allen
67.215.70.0/23 512
2.1%
AS36692 US California San Jose
67.215.78.0/23 512
6.3%
AS36692 US
67.215.84.0/23 512
0.0%
AS36692 CA Ontario Toronto
67.215.94.0/23 512
8.6%
AS36692 US Texas Dallas
108.171.128.0/23 512
18.9%
AS36692 US Texas Dallas
108.171.158.0/23 512
1.2%
AS36692 US Texas Dallas
146.112.0.0/23 512
0.0%
AS36692 JP Osaka Osaka
146.112.4.0/23 512
0.0%
AS36692 ES Madrid Madrid
146.112.8.0/23 512
0.0%
AS36692 US
146.112.14.0/23 512
0.0%
AS36692 US
146.112.16.0/23 512
0.0%
AS36692 US
146.112.20.0/23 512
0.0%
AS36692 US California Los Angeles
146.112.26.0/23 512
0.0%
AS36692 US Georgia Atlanta
146.112.28.0/23 512
0.0%
AS36692 US
146.112.34.0/23 512
0.0%
AS36692 US Texas Allen
146.112.36.0/23 512
0.0%
AS36692 US
146.112.46.0/23 512
0.0%
AS36692 US California Los Angeles
146.112.58.0/23 512
0.0%
AS36692 US Texas Irving
146.112.64.0/23 512
0.0%
AS36692 CA British Columbia Vancouver
146.112.66.0/23 512
0.0%
AS36692 US California Palo Alto
146.112.70.0/23 512
0.4%
AS36692 US
146.112.72.0/23 512
0.0%
AS36692 US Texas Dallas
146.112.84.0/23 512
0.0%
AS36692 US Florida Miami
146.112.92.0/23 512
0.0%
AS36692 BR São Paulo São Paulo
146.112.108.0/23 512
0.0%
AS36692 ZA Gauteng Johannesburg
146.112.116.0/23 512
0.0%
AS36692 IN Tamil Nadu Chennai

Frequently Asked Questions

How many IP addresses does Cisco OpenDNS, LLC own?

Cisco OpenDNS, LLC controls 165.1K IPv4 addresses distributed across 239 CIDR ranges. The organization is registered in United States.

What ASNs does Cisco OpenDNS, LLC operate?

Cisco OpenDNS, LLC operates 2 Autonomous Systems. Each ASN represents an independently routed network that Cisco OpenDNS, LLC manages for internet traffic delivery.

What countries does Cisco OpenDNS, LLC serve?

Cisco OpenDNS, LLC has IP address allocations in 26 countries, indicating a multinational network presence for delivering services across these regions.

What type of organization is Cisco OpenDNS, LLC?

Cisco OpenDNS, LLC is categorized as enterprise. This classification is based on the organization's primary use of its IP address allocations.

Last updated: 2026-07-25 19:40:31 UTC
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