121.0.0.0/8

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Summary

IP address summary information
ASNs	261
Countries	32
BGP Prefixes	2,805
Routers	22,456
Pingable IPs	3,720,713

China
91.68%
South Korea
3.52%
United States
1.61%
Australia
1.23%
Other
1.96%


121.0.0.0/16	South Korea73.93%	7	9	23
121.1.0.0/16	Philippines46.26%	3	3	24
121.2.0.0/16	Japan100.00%	1	1	32
121.3.0.0/16	Japan100.00%	1	1	5
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	260
121.7.0.0/16	Singapore100.00%	1	2	266
121.8.0.0/16	China100.00%	1	2	158
121.9.0.0/16	China100.00%	1	1	196

Sub-ranges

Important routers in 121.0.0.0/8


121.78.68.49	Seoul, South Korea	AS9286KINX
121.83.171.60	Osaka, Japan	AS17511OPTAGE Inc.
121.55.64.226	Seoul, South Korea	AS9781GREEN CABLE TELEVISION STATION
121.91.225.21	São Paulo, Brazil	AS398465Rackdog, LLC
121.91.225.17	São Paulo, Brazil	AS398465Rackdog, LLC
121.83.189.218	Osaka, Japan	AS17511OPTAGE Inc.
121.30.6.6	Jinrongjie, China	AS4837CHINA UNICOM China169 Backbone
121.30.2.158	Jinrongjie, China	AS4837CHINA UNICOM China169 Backbone
121.30.6.2	Jinrongjie, China	AS4837CHINA UNICOM China169 Backbone
121.30.2.78	Jinrongjie, China	AS4837CHINA UNICOM China169 Backbone

Important routers in 121.0.0.0/8

Pingable IPs

3,720,713 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.


121.75.86.60	AS9500One New Zealand Group Limited	1.57ms from Christchurch, NZ
121.78.114.241	AS17589GABIA Inc.	0.19ms from Seoul, KR
121.78.117.101	AS17589GABIA Inc.	0.17ms from Seoul, KR
121.78.46.113	AS9286KINX	0.41ms from Seoul, KR
121.78.71.30	AS9286KINX	0.47ms from Seoul, KR
121.76.66.32	AS9812Oriental Cable Network Co., Ltd.	5.55ms from Shanghai, CN
121.76.88.40	AS9812Oriental Cable Network Co., Ltd.	6.54ms from Shanghai, CN
121.76.254.243	AS9812Oriental Cable Network Co., Ltd.	4.88ms from Shanghai, CN
121.78.96.11	AS9286KINX	3.09ms from Seoul, KR
121.76.176.1	AS9812Oriental Cable Network Co., Ltd.	4.35ms from Shanghai, CN

Other Pingable IPs

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


76.29.94.120	AS7922Comcast Cable Communications, LLC	5.54ms from Chicago, US
216.195.97.136	AS33481BELWAVE COMMUNICATIONS, INC.	1.36ms from Dallas, US
78.30.250.216	AS35816Lancom Ltd.	8.67ms from Krasnodar, RU
172.166.89.232	AS8075Microsoft Corporation	0.18ms from London, GB
104.243.29.8	AS25820IT7 Networks Inc	0.27ms from Los Angeles, US
195.103.100.216	AS3269Telecom Italia S.p.A.	3.66ms from Milan, IT
186.196.62.40	AS53180INFORTEL COMUNICACOES LTDA	17.55ms from Osasco, BR
98.82.203.56	AS14618Amazon.com, Inc.	0.61ms from Reston, US
24.182.165.168	AS20115Charter Communications LLC	6.03ms from St. Louis, US
155.207.34.8	AS5470AUTH-NET-AS	8.91ms from Athens, GR

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 -m6 121.99.234.89

traceroute to 121.99.234.89 (121.99.234.89): 6 hops max, 52 byte packets

1 [AS15169] 142.251.244.117 232.948 ms

2 [AS15169] 192.178.98.30 218.185 ms

3 [AS9790] 101.98.5.174 217.563 ms

4 *

5 *

6 *

Measurement taken from

IPinfo ProbeNet in Mumbai, IN

On October 2, 2026

Traceroute

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