204.251.0.0/16

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Summary

IP address summary information
ASNs	3
Countries	1
BGP Prefixes	3
Routers	6
Pingable IPs	222

United States
100.00%


204.251.0.0/24	United States100.00%	1	1
204.251.1.0/24	United States100.00%	1	1
204.251.2.0/24	United States100.00%	1	1
204.251.3.0/24	United States100.00%	1	1
204.251.4.0/24	United States100.00%	1	1
204.251.5.0/24	United States100.00%	1	1
204.251.6.0/24	United States100.00%	1	1
204.251.7.0/24	United States100.00%	1	1
204.251.8.0/24	United States100.00%	1	1
204.251.9.0/24	United States100.00%	1	1

Sub-ranges

Important routers in 204.251.0.0/16


204.251.255.90	San Antonio, United States	AS174Cogent Communications, LLC
204.251.255.62	San Antonio, United States	AS174Cogent Communications, LLC
204.251.255.131	San Antonio, United States	AS174Cogent Communications, LLC
204.251.255.86	San Antonio, United States	AS174Cogent Communications, LLC
204.251.255.178	San Antonio, United States	AS174Cogent Communications, LLC
204.251.198.140	Houston, United States	AS174Cogent Communications, LLC

Important routers in 204.251.0.0/16

Pingable IPs

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


204.251.35.1	AS174Cogent Communications, LLC	18.11ms from Richardson, US
204.251.34.178	AS174Cogent Communications, LLC	17.63ms from Dallas, US
204.251.33.1	AS174Cogent Communications, LLC	17.22ms from Dallas, US
204.251.255.61	AS174Cogent Communications, LLC	4.51ms from San Antonio, US
204.251.32.101	AS174Cogent Communications, LLC	18.21ms from Dallas, US
204.251.198.154	AS174Cogent Communications, LLC	3.79ms from Houston, US
204.251.175.146	AS22903Databank Holdings, Ltd	1.40ms from Dallas, US
204.251.219.30	AS174Cogent Communications, LLC	10.79ms from Tulsa, US
204.251.230.34	AS20325Patelco Credit Union	2.23ms from San Jose, US
204.251.218.33	AS174Cogent Communications, LLC	10.80ms from Lincoln, US

Other Pingable IPs

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


34.240.29.208	AS16509Amazon.com, Inc.	0.50ms from Dublin, IE
81.97.78.160	AS5089Virgin Media Limited	6.25ms from London, GB
69.114.244.144	AS6128Cablevision Systems Corp.	3.59ms from New York City, US
14.138.104.0	AS9943KangNam CableTV	0.81ms from Seoul, KR
1.2.169.64	AS23969TOT Public Company Limited	6.29ms from Bangkok, TH
18.223.28.32	AS16509Amazon.com, Inc.	1.00ms from Columbus, US
175.37.93.176	AS4804Microplex PTY LTD	2.06ms from Melbourne, AU
18.160.101.112	AS16509Amazon.com, Inc.	0.07ms from Minneapolis, US
40.124.64.128	AS8075Microsoft Corporation	0.27ms from San Antonio, US
189.149.206.192	AS8151Uninet S.A. de C.V.	17.28ms from Santiago de Queretaro, MX

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 -m14 204.251.153.44

traceroute to 204.251.153.44 (204.251.153.44): 14 hops max, 52 byte packets

1 [AS202448] 62.3.32.1 0.218 ms

2 [AS6866] 212.31.113.114 8.813 ms

3 [AS6866] 195.14.136.58 3.033 ms

4 [AS6866] 195.14.136.248 2.352 ms

5 [AS174] 149.11.241.136 39.58 ms

6 [AS174] 154.54.38.201 39.108 ms

7 [AS174] 154.54.72.109 50.105 ms

8 [AS174] 154.54.75.42 55.145 ms

9 [AS174] 154.54.167.29 118.946 ms

10 [AS174] 154.54.169.222 121.794 ms

11 [AS174] 154.54.169.185 412.757 ms

12 *

13 *

14 *

Measurement taken from

IPinfo ProbeNet in Larnaca, CY

On September 3, 2026

Traceroute

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204.251.0.0/16

Summary

Sub-ranges

Important routers in 204.251.0.0/16

Important routers in 204.251.0.0/16

Pingable IPs

Other Pingable IPs

Pingable IPs

Traceroute

Traceroute

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Important routers in 204.251.0.0/16

Pingable IPs

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Traceroute

204.251.0.0/16

Summary

Statistics

Statistics

Sub-ranges

Sub-ranges

Important routers in 204.251.0.0/16

Important routers in 204.251.0.0/16

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 204.251.0.0/16

Pingable IPs

Other Pingable IPs

Traceroute