121.0.0.0/8

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Summary

IP address summary information
ASNs	261
Countries	33
BGP Prefixes	2,654
Routers	16,428
Pingable IPs	3,697,954

China
88.15%
Australia
3.85%
South Korea
3.57%
United States
1.35%
Other
3.07%


121.0.0.0/16	South Korea96.53%	7	9	21
121.1.0.0/16	Japan46.88%	3	3	9
121.2.0.0/16	Japan100.00%	1	1	24
121.3.0.0/16	Japan100.00%	1	1	0
121.4.0.0/16	China100.00%	1	1	0
121.5.0.0/16	China100.00%	1	1	0
121.6.0.0/16	Singapore100.00%	1	2	166
121.7.0.0/16	Singapore100.00%	1	1	173
121.8.0.0/16	China100.00%	1	2	148
121.9.0.0/16	China100.00%	1	1	165

Sub-ranges

Important routers in 121.0.0.0/8


121.244.3.222	Hyderabad, India	AS4755TATA Communications formerly VSNL is Leading ISP
121.30.2.158	Jinrongjie, China	AS4837CHINA UNICOM China169 Backbone
121.83.171.60	Osaka, Japan	AS17511OPTAGE Inc.
121.78.68.45	Seoul, South Korea	AS9286KINX
121.30.2.78	Jinrongjie, China	AS4837CHINA UNICOM China169 Backbone
121.30.6.6	Jinrongjie, China	AS4837CHINA UNICOM China169 Backbone
121.240.111.46	New Delhi, India	AS4755TATA Communications formerly VSNL is Leading ISP
121.78.68.49	Seoul, South Korea	AS9286KINX
121.30.6.2	Jinrongjie, China	AS4837CHINA UNICOM China169 Backbone
121.30.2.70	Jinrongjie, China	AS4837CHINA UNICOM China169 Backbone

Important routers in 121.0.0.0/8

Pingable IPs

3,697,954 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.


121.106.239.129	AS2516KDDI CORPORATION	14.83ms from Osaka, JP
121.106.143.1	AS2516KDDI CORPORATION	20.79ms from Sapporo, JP
121.106.177.1	AS2516KDDI CORPORATION	1.25ms from Sendai, JP
121.107.198.193	AS2516KDDI CORPORATION	6.97ms from Tokyo, JP
121.107.89.1	AS2516KDDI CORPORATION	0.92ms from Tokyo, JP
121.107.150.33	AS2516KDDI CORPORATION	0.82ms from Tokyo, JP
121.106.224.1	AS2516KDDI CORPORATION	14.94ms from Osaka, JP
121.106.227.1	AS2516KDDI CORPORATION	12.86ms from Osaka, JP
121.106.164.1	AS2516KDDI CORPORATION	5.55ms from Tokyo, JP
121.106.155.1	AS2516KDDI CORPORATION	2.18ms from Tokyo, JP

Other Pingable IPs

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


67.1.250.136	AS209CenturyLink Communications, LLC	16.86ms from Albuquerque, US
99.150.149.216	AS7018AT&T Enterprises, LLC	2.25ms from Dallas, US
218.6.104.216	AS4134CHINANET BACKBONE	4.18ms from Fuzhou, CN
121.198.15.40	AS37963Hangzhou Alibaba Advertising Co.,Ltd.	6.72ms from Hangzhou, CN
176.39.28.56	AS202103Lanet Network Ltd	5.29ms from Kyiv, UA
170.82.48.184	AS266438GNS FIBRA	0.58ms from Porto Alegre, BR
112.249.220.168	AS4837CHINA UNICOM China169 Backbone	8.41ms from Qingdao, CN
13.213.39.184	AS16509Amazon.com, Inc.	0.14ms from Singapore, SG
35.155.48.216	AS16509Amazon.com, Inc.	0.18ms from Boardman, US
35.223.179.232	AS396982Google LLC	0.12ms from Council Bluffs, US

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 -f3 -m12 121.3.115.100

traceroute to 121.3.115.100 (121.3.115.100): 12 hops max, 52 byte packets

3 [] 156.146.32.184 0.641 ms

4 [] 185.156.45.19 98.641 ms

5 [] 138.199.0.33 98.967 ms

6 [AS2527] 202.213.198.49 101.409 ms

7 [AS2527] 202.213.193.61 99.802 ms

8 [AS2527] 58.87.172.14 105.45 ms

9 [AS2527] 210.139.163.86 105.047 ms

10 *

11 *

12 *

Measurement taken from

IPinfo ProbeNet in Los Angeles, US

On July 12, 2026

Traceroute

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

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121.0.0.0/8

Summary

Sub-ranges

Important routers in 121.0.0.0/8

Important routers in 121.0.0.0/8

Pingable IPs

Other Pingable IPs

Pingable IPs

Traceroute

Traceroute

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

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Summarize IPs

Important routers in 121.0.0.0/8

Pingable IPs

Other Pingable IPs

Traceroute

121.0.0.0/8

Summary

Statistics

Statistics

Sub-ranges

Sub-ranges

Important routers in 121.0.0.0/8

Important routers in 121.0.0.0/8

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 121.0.0.0/8

Pingable IPs

Other Pingable IPs

Traceroute