121.1.0.0/16

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Summary

IP address summary information
ASNs	3
Countries	3
BGP Prefixes	15
Routers	9
Pingable IPs	12,379

Japan
46.88%
Philippines
36.46%
South Korea
16.67%


121.1.0.0/24	Philippines100.00%	1	1	0
121.1.1.0/24	Philippines100.00%	1	1	0
121.1.2.0/24	Philippines100.00%	1	1	0
121.1.3.0/24	Philippines100.00%	1	1	3
121.1.4.0/24	Philippines100.00%	1	1	0
121.1.5.0/24	Philippines100.00%	1	1	0
121.1.6.0/24	Philippines100.00%	1	1	0
121.1.7.0/24	Philippines100.00%	1	1	0
121.1.8.0/24	Philippines100.00%	1	1	0
121.1.9.0/24	Philippines100.00%	1	1	0

Sub-ranges

Important routers in 121.1.0.0/16


121.1.3.65	Manila, Philippines	AS10139Smart Broadband, Inc.
121.1.3.193	Manila, Philippines	AS10139Smart Broadband, Inc.
121.1.3.1	Manila, Philippines	AS10139Smart Broadband, Inc.
121.1.141.201	Isesaki, Japan	AS4685Asahi Net
121.1.153.17	Osaka, Japan	AS4685Asahi Net
121.1.139.33	Fukui-shi, Japan	AS4685Asahi Net
121.1.41.170	Manila, Philippines	AS10139Smart Broadband, Inc.
121.1.153.241	Inazawa, Japan	AS4685Asahi Net
121.1.148.222	Tokyo, Japan	AS4685Asahi Net
121.1.143.145	Osaka, Japan	AS4685Asahi Net

Important routers in 121.1.0.0/16

Pingable IPs

12,379 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.


121.1.219.193	AS4685Asahi Net	6.17ms from Osaka, JP
121.1.159.9	AS4685Asahi Net	4.67ms from Osaka, JP
121.1.229.156	AS4685Asahi Net	2.68ms from Osaka, JP
121.1.104.46	AS9694Seokyung Cable Television Co.. Ltd.	7.97ms from Seoul, KR
121.1.176.125	AS4685Asahi Net	23.98ms from Tokyo, JP
121.1.194.153	AS4685Asahi Net	8.16ms from Tokyo, JP
121.1.217.201	AS4685Asahi Net	2.10ms from Osaka, JP
121.1.115.63	AS9694Seokyung Cable Television Co.. Ltd.	7.30ms from Seoul, KR
121.1.252.88	AS4685Asahi Net	1.87ms from Tokyo, JP
121.1.123.110	AS9694Seokyung Cable Television Co.. Ltd.	7.75ms from Seoul, KR

Other Pingable IPs

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


91.127.35.0	AS6855Slovak Telekom, a.s.	6.23ms from Bratislava, SK
179.83.146.160	AS18881TELEFÔNICA BRASIL S.A	13.68ms from Fortaleza, BR
183.240.37.48	AS9808China Mobile Communications Group Co., Ltd.	4.82ms from Guangzhou, CN
91.135.213.144	AS43720MTS OJSC	6.75ms from Moscow, RU
98.80.229.16	AS14618Amazon.com, Inc.	0.62ms from Reston, US
184.24.187.208	AS16625Akamai Technologies, Inc.	0.08ms from Santiago, CL
203.230.197.128	AS18329Sangmyung University	4.51ms from Seoul, KR
23.96.4.240	AS8075Microsoft Corporation	0.47ms from Ashburn, US
76.97.208.32	AS7922Comcast Cable Communications, LLC	4.67ms from Atlanta, US
76.23.128.176	AS7922Comcast Cable Communications, LLC	10.34ms from Boston, 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 -f5 121.1.236.58

traceroute to 121.1.236.58 (121.1.236.58): 64 hops max, 52 byte packets

5 [] 210.173.184.81 0.916 ms

6 [AS4685] 202.224.52.31 0.877 ms

7 [AS4685] 202.224.51.138 0.807 ms

8 [AS4685] 124.155.77.161 36.411 ms

9 [AS4685] 121.1.236.58 7.856 ms

Measurement taken from

IPinfo ProbeNet in Osaka, JP

On July 12, 2026

Traceroute

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121.1.0.0/16

Summary

Sub-ranges

Important routers in 121.1.0.0/16

Important routers in 121.1.0.0/16

Pingable IPs

Other Pingable IPs

Pingable IPs

Traceroute

Traceroute

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Summarize IPs

Important routers in 121.1.0.0/16

Pingable IPs

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Traceroute

121.1.0.0/16

Summary

Statistics

Statistics

Sub-ranges

Sub-ranges

Important routers in 121.1.0.0/16

Important routers in 121.1.0.0/16

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 121.1.0.0/16

Pingable IPs

Other Pingable IPs

Traceroute