Well-known IP addresses
117 addresses everyone on the internet relies on: public DNS resolvers, the thirteen root servers, time servers, the edges of the largest platforms and a few hosting networks. Each link opens the full report with location, network owner, reverse DNS, open services and reputation.
Public DNS resolvers
Anycast resolvers that millions of devices use. Their pages show which network answers your DNS queries and how the address is rated.
1.1.1.1
Cloudflare DNS
Primary public resolver
1.0.0.1
Cloudflare DNS
Secondary resolver
1.1.1.2
Cloudflare for Families
Malware blocking
1.1.1.3
Cloudflare for Families
Malware and adult filter
8.8.8.8
Google Public DNS
Primary public resolver
8.8.4.4
Google Public DNS
Secondary resolver
9.9.9.9
Quad9
Threat-blocking resolver
149.112.112.112
Quad9
Secondary resolver
9.9.9.10
Quad9
Unfiltered resolver
149.112.112.10
Quad9
Unfiltered secondary
208.67.222.222
OpenDNS
Cisco Umbrella public resolver
208.67.220.220
OpenDNS
Secondary resolver
94.140.14.14
AdGuard DNS
Ad and tracker blocking
94.140.15.15
AdGuard DNS
Family protection
77.88.8.8
Yandex DNS
Russian public resolver
77.88.8.1
Yandex DNS
Secondary resolver
64.6.64.6
Verisign Public DNS
Privacy-respecting resolver
64.6.65.6
Verisign Public DNS
Secondary resolver
4.2.2.1
Level 3 / Lumen
Backbone resolver
4.2.2.2
Level 3 / Lumen
Backbone resolver
76.76.19.19
Alternate DNS
Ad-blocking resolver
76.223.122.150
Alternate DNS
Secondary resolver
185.228.168.168
CleanBrowsing
Family filter
185.228.169.168
CleanBrowsing
Family filter, secondary
185.228.168.9
CleanBrowsing
Security filter
185.228.169.9
CleanBrowsing
Security filter, secondary
76.76.2.0
Control D
Unfiltered resolver
76.76.10.0
Control D
Secondary resolver
45.90.28.0
NextDNS
Anycast resolver
45.90.30.0
NextDNS
Secondary resolver
194.242.2.2
Mullvad DNS
Privacy resolver
194.242.2.3
Mullvad DNS
Ad-blocking resolver
8.26.56.26
Comodo Secure DNS
Security filter
8.20.247.20
Comodo Secure DNS
Secondary resolver
156.154.70.1
Neustar UltraDNS
Public resolver
156.154.71.1
Neustar UltraDNS
Secondary resolver
84.200.69.80
DNS.WATCH
German privacy resolver
84.200.70.40
DNS.WATCH
Secondary resolver
195.46.39.39
SafeDNS
Filtering resolver
195.46.39.40
SafeDNS
Secondary resolver
74.82.42.42
Hurricane Electric
Public resolver
91.239.100.100
UncensoredDNS
Danish anycast resolver
89.233.43.71
UncensoredDNS
Unicast resolver
216.146.35.35
Dyn / Oracle
Public resolver
216.146.36.36
Dyn / Oracle
Secondary resolver
209.244.0.3
Level 3 / Lumen
Public resolver
209.244.0.4
Level 3 / Lumen
Secondary resolver
199.85.126.10
Norton ConnectSafe
Legacy filtering resolver
199.85.127.10
Norton ConnectSafe
Legacy secondary
80.80.80.80
Freenom World
Public resolver
80.80.81.81
Freenom World
Secondary resolver
193.110.81.0
dns0.eu
European public resolver
185.253.5.0
dns0.eu
Secondary resolver
5.9.164.112
Digitalcourage
German privacy resolver
46.182.19.48
Digitalcourage
German privacy resolver
DNS root servers
The thirteen root server addresses that every recursive resolver starts from. Operated by twelve organisations, all anycast worldwide.
198.41.0.4
a.root-servers.net
Verisign
170.247.170.2
b.root-servers.net
USC ISI
192.33.4.12
c.root-servers.net
Cogent
199.7.91.13
d.root-servers.net
University of Maryland
192.203.230.10
e.root-servers.net
NASA Ames
192.5.5.241
f.root-servers.net
Internet Systems Consortium
192.112.36.4
g.root-servers.net
US Department of Defense
198.97.190.53
h.root-servers.net
US Army Research Lab
192.36.148.17
i.root-servers.net
Netnod
192.58.128.30
j.root-servers.net
Verisign
193.0.14.129
k.root-servers.net
RIPE NCC
199.7.83.42
l.root-servers.net
ICANN
202.12.27.33
m.root-servers.net
WIDE Project
Time servers
Public NTP sources that operating systems and routers synchronise their clocks with.
216.239.35.0
Google Public NTP
time.google.com
216.239.35.4
Google Public NTP
time1.google.com
216.239.35.8
Google Public NTP
time2.google.com
216.239.35.12
Google Public NTP
time3.google.com
162.159.200.1
Cloudflare NTP
time.cloudflare.com
162.159.200.123
Cloudflare NTP
time.cloudflare.com
132.163.97.1
NIST
time-a-wwv.nist.gov
132.163.96.1
NIST
time-a-b.nist.gov
129.6.15.28
NIST
time-a-g.nist.gov
128.138.140.44
NIST
utcnist.colorado.edu
192.53.103.108
PTB Braunschweig
ptbtime1.ptb.de, German reference time
192.53.103.104
PTB Braunschweig
ptbtime2.ptb.de
17.253.144.10
Apple
time.apple.com
17.253.144.11
Apple
time.apple.com
Large platforms and CDNs
Edge addresses of the biggest web properties. Useful to see how anycast networks appear from your location.
142.250.190.78
Google
google.com front end
142.250.80.46
Google
google.com front end
216.58.214.14
Google
google.com front end
172.217.16.142
Google
google.com front end
64.233.184.27
Google
Gmail mail exchanger
209.85.220.41
Google
Gmail outbound mail
142.251.10.27
Google
Gmail mail exchanger
35.190.27.188
Google Cloud
Global load balancer
157.240.1.35
Meta
facebook.com edge
104.244.42.1
X / Twitter
twitter.com edge
104.244.42.129
X / Twitter
twitter.com edge
13.107.42.14
Microsoft
LinkedIn / Azure Front Door
13.107.6.152
Microsoft
Azure Front Door
23.61.194.211
Akamai
CDN edge
151.101.0.81
Fastly
CDN edge
151.101.193.69
Fastly
CDN edge
199.232.0.79
Fastly
CDN edge
104.16.132.229
Cloudflare
cloudflare.com edge
104.18.32.7
Cloudflare
CDN edge
188.114.96.7
Cloudflare
CDN edge
140.82.121.4
GitHub
github.com
140.82.112.4
GitHub
github.com
185.199.108.153
GitHub
GitHub Pages
208.80.154.224
Wikimedia
wikipedia.org, US
198.35.26.96
Wikimedia
wikipedia.org, US west
52.84.150.39
Amazon CloudFront
CDN edge
13.32.151.97
Amazon CloudFront
CDN edge
54.239.28.85
Amazon
amazon.com
176.32.103.205
Amazon
amazon.com
Hosting and research networks
Addresses from popular cloud and server providers plus a few research institutions, handy as reference points for ASN and abuse data.