221.123.0.0/16

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Summary

IP address summary information
ASNs	2
Countries	1
BGP Prefixes	4
Routers	15
Pingable IPs	312

China
100.00%


221.123.0.0/24	China100.00%	1	1
221.123.1.0/24	China100.00%	1	0
221.123.2.0/24	China100.00%	1	0
221.123.3.0/24	China100.00%	1	0
221.123.4.0/24	China100.00%	1	0
221.123.5.0/24	China100.00%	1	0
221.123.6.0/24	China100.00%	1	0
221.123.7.0/24	China100.00%	1	0
221.123.8.0/24	China100.00%	1	0
221.123.9.0/24	China100.00%	1	0

Sub-ranges

Important routers in 221.123.0.0/16


221.123.139.46	Beijing, China	AS23724IDC, China Telecommunications Corporation
221.123.139.42	Beijing, China	AS23724IDC, China Telecommunications Corporation
221.123.139.178	Beijing, China	AS23724IDC, China Telecommunications Corporation
221.123.191.140	Beijing, China	AS23724IDC, China Telecommunications Corporation
221.123.163.234	Beijing, China	AS23724IDC, China Telecommunications Corporation
221.123.191.137	Beijing, China	AS23724IDC, China Telecommunications Corporation
221.123.191.73	Beijing, China	AS23724IDC, China Telecommunications Corporation
221.123.191.78	Beijing, China	AS23724IDC, China Telecommunications Corporation
221.123.135.209	Beijing, China	AS23724IDC, China Telecommunications Corporation
221.123.183.254	Beijing, China	AS23724IDC, China Telecommunications Corporation

Important routers in 221.123.0.0/16

Pingable IPs

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


221.123.139.158	AS23724IDC, China Telecommunications Corporation	3.88ms from Tianjin, CN
221.123.187.9	AS23724IDC, China Telecommunications Corporation	4.70ms from Tianjin, CN
221.123.0.60	AS141679China Telecom Beijing Tianjin Hebei Big Data Industry Park Branch	0.21ms from Tianjin, CN
221.123.160.146	AS23724IDC, China Telecommunications Corporation	4.73ms from Tianjin, CN
221.123.191.146	AS23724IDC, China Telecommunications Corporation	3.67ms from Beijing, CN
221.123.183.98	AS23724IDC, China Telecommunications Corporation	4.82ms from Beijing, CN
221.123.136.241	AS23724IDC, China Telecommunications Corporation	3.79ms from Beijing, CN
221.123.135.170	AS23724IDC, China Telecommunications Corporation	3.70ms from Tianjin, CN
221.123.163.236	AS23724IDC, China Telecommunications Corporation	3.91ms from Beijing, CN
221.123.112.231	AS23724IDC, China Telecommunications Corporation	4.44ms from Beijing, CN

Other Pingable IPs

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


62.155.157.16	AS3320Deutsche Telekom AG	3.90ms from Berlin, DE
20.57.22.176	AS8075Microsoft Corporation	0.33ms from Boydton, US
36.138.85.176	AS56047China Mobile communications corporation	0.47ms from Changsha, CN
218.207.25.240	AS9808China Mobile Communications Group Co., Ltd.	3.73ms from Chongqing, CN
79.206.176.144	AS3320Deutsche Telekom AG	4.80ms from Hamburg, DE
208.74.137.16	AS53591Ytel, Inc.	0.32ms from Los Angeles, US
78.202.252.48	AS12322Free SAS	1.30ms from Paris, FR
123.131.245.176	AS4837CHINA UNICOM China169 Backbone	5.79ms from Qingdao, CN
167.100.144.144	AS25019Saudi Telecom Company JSC	3.17ms from Riyadh, SA
79.29.137.0	AS3269Telecom Italia S.p.A.	4.26ms from Rome, IT

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 -f12 221.123.191.91

traceroute to 221.123.191.91 (221.123.191.91): 64 hops max, 52 byte packets

12 [AS9808] 221.183.49.122 36.216 ms

13 [AS9808] 111.13.188.34 30.64 ms

14 [AS9808] 39.156.16.22 43.919 ms

15 *

16 *

17 *

18 [AS23724] 221.122.2.102 13.43 ms

19 [AS23724] 221.122.1.54 78.232 ms

20 *

21 *

22 [AS23724] 221.123.191.91 6.653 ms

Measurement taken from

IPinfo ProbeNet in Beijing, CN

On July 12, 2026

Traceroute

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221.123.0.0/16

Summary

Sub-ranges

Important routers in 221.123.0.0/16

Important routers in 221.123.0.0/16

Pingable IPs

Other Pingable IPs

Pingable IPs

Traceroute

Traceroute

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Summarize IPs

Important routers in 221.123.0.0/16

Pingable IPs

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Traceroute

221.123.0.0/16

Summary

Statistics

Statistics

Sub-ranges

Sub-ranges

Important routers in 221.123.0.0/16

Important routers in 221.123.0.0/16

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 221.123.0.0/16

Pingable IPs

Other Pingable IPs

Traceroute