73.221.0.0/16

Access unlimited lookups, API and downloads, data enrichment, and Probenet Live.

Summary

IP address summary information
ASNs	1
Countries	1
BGP Prefixes	1
Routers	547
Pingable IPs	36,208

United States
100.00%


73.221.0.0/24	United States100.00%	1	1	1
73.221.1.0/24	United States100.00%	1	1	1
73.221.2.0/24	United States100.00%	1	1	0
73.221.3.0/24	United States100.00%	1	1	0
73.221.4.0/24	United States100.00%	1	1	1
73.221.5.0/24	United States100.00%	1	1	0
73.221.6.0/24	United States100.00%	1	1	0
73.221.7.0/24	United States100.00%	1	1	3
73.221.8.0/24	United States100.00%	1	1	4
73.221.9.0/24	United States100.00%	1	1	4

Sub-ranges

Important routers in 73.221.0.0/16


73.221.124.38	Kent, United States	AS7922Comcast Cable Communications, LLC
73.221.30.160	Lakewood, United States	AS7922Comcast Cable Communications, LLC
73.221.115.14	Spokane, United States	AS7922Comcast Cable Communications, LLC
73.221.171.25	Seattle, United States	AS7922Comcast Cable Communications, LLC
73.221.164.105	Mount Vernon, United States	AS7922Comcast Cable Communications, LLC
73.221.229.114	Tacoma, United States	AS7922Comcast Cable Communications, LLC
73.221.114.21	Spokane, United States	AS7922Comcast Cable Communications, LLC
73.221.68.30	Olympia, United States	AS7922Comcast Cable Communications, LLC
73.221.7.233	Federal Way, United States	AS7922Comcast Cable Communications, LLC
73.221.217.100	Olympia, United States	AS7922Comcast Cable Communications, LLC

Important routers in 73.221.0.0/16

Pingable IPs

36,208 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.


73.221.16.47	AS7922Comcast Cable Communications, LLC	2.26ms from Seattle, US
73.221.44.1	AS7922Comcast Cable Communications, LLC	4.37ms from Seattle, US
73.221.31.147	AS7922Comcast Cable Communications, LLC	3.56ms from Seattle, US
73.221.5.117	AS7922Comcast Cable Communications, LLC	4.69ms from Seattle, US
73.221.0.1	AS7922Comcast Cable Communications, LLC	1.12ms from Seattle, US
73.221.35.38	AS7922Comcast Cable Communications, LLC	12.05ms from Seattle, US
73.221.24.1	AS7922Comcast Cable Communications, LLC	0.58ms from Seattle, US
73.221.4.87	AS7922Comcast Cable Communications, LLC	4.34ms from Seattle, US
73.221.6.132	AS7922Comcast Cable Communications, LLC	3.75ms from Seattle, US
73.221.34.237	AS7922Comcast Cable Communications, LLC	12.14ms from Seattle, US

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.


76.9.7.208	AS36545Bledsoe Telephone Cooperative Corporation	3.73ms from Atlanta, US
67.199.254.80	AS394998LakeLand Internet LLC	4.19ms from Chicago, US
103.24.16.32	AS140077C Net Broadband	5.00ms from Dhaka, BD
91.236.66.192	AS16509Amazon.com, Inc.	0.33ms from Dublin, IE
23.102.232.208	AS8075Microsoft Corporation	0.31ms from Hong Kong, HK
89.237.140.144	AS29255Etihad Etisalat, a joint stock company	0.22ms from Jeddah, SA
180.126.210.64	AS4134CHINANET BACKBONE	7.19ms from Nanjing, CN
24.186.106.224	AS6128Cablevision Systems Corp.	4.02ms from New York City, US
173.70.95.32	AS701Verizon Business	1.79ms from New York City, US
187.120.25.128	AS266181GOLDEN LINK	1.09ms from Rio de Janeiro, BR

Pingable IPs

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

$ traceroute -a -n -q1 -f2 73.221.173.187

traceroute to 73.221.173.187 (73.221.173.187): 64 hops max, 52 byte packets

2 [AS400304] 23.147.153.0 411.624 ms

3 [AS3257] 208.116.158.116 3.073 ms

4 [AS3257] 213.200.121.6 4.049 ms

5 [AS7922] 50.208.233.221 3.454 ms

6 [AS7922] 96.110.47.201 63.948 ms

7 [AS7922] 68.86.93.10 64.474 ms

8 [AS7922] 24.124.128.122 64.128 ms

9 [AS7922] 69.139.164.34 67.968 ms

10 [AS7922] 68.86.96.49 67.747 ms

11 [AS7922] 96.216.66.38 67.65 ms

12 [AS7922] 68.87.205.190 67.747 ms

13 [AS7922] 73.221.173.187 79.512 ms

Measurement taken from

IPinfo ProbeNet in Allentown, US

On July 14, 2026

Traceroute

An API built with users in mind: reliable, accurate, and easy-to-use

Discover why industry-leading companies around the globe love our data. IPinfo's accurate insights fuel use cases from cybersecurity, data enrichment, web personalization, and much more.

73.221.0.0/16

Summary

Sub-ranges

Important routers in 73.221.0.0/16

Important routers in 73.221.0.0/16

Pingable IPs

Other Pingable IPs

Pingable IPs

Traceroute

Traceroute

An API built with users in mind: reliable, accurate, and easy-to-use

Our IP tools

What is my IP?

Map IPs

Summarize IPs

Important routers in 73.221.0.0/16

Pingable IPs

Other Pingable IPs

Traceroute

73.221.0.0/16

Summary

Statistics

Statistics

Sub-ranges

Sub-ranges

Important routers in 73.221.0.0/16

Important routers in 73.221.0.0/16

Pingable IPs

Other Pingable IPs

Pingable IPs

Traceroute

Traceroute

An API built with users in mind: reliable, accurate, and easy-to-use

Our IP tools

What is my IP?

Map IPs

Summarize IPs

Statistics

Sub-ranges

Important routers in 73.221.0.0/16

Pingable IPs

Other Pingable IPs

Traceroute