123.110.232.0/21

AS131596 · TBC

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Summary

Country	Taiwan
Domain	tbc.net.tw
ASN	AS131596
Parent Range	123.110.128.0/17
Registry	TWNIC
ID	CM-BEST-HC-TW

WHOIS Details

inetnum:        123.110.128.0 - 123.110.255.255
netname:        CM-BEST-HC-TW
descr:          TBC
descr:          12F., No. 936, Sec. 4, Wenxin Rd., Beitun Dist., Taichung City 406505 , Taiwan (R.O.C.)
descr:          Taipei Taiwan
country:        TW
admin-c:        TL527-TW
tech-c:         TL527-TW
mnt-by:         MAINT-TW-TWNIC
changed:        [email protected] 20070313
status:         ASSIGNED NON-PORTABLE
remarks:        This information has been partially mirrored by APNIC from
remarks:        TWNIC. To obtain more specific information, please use the
remarks:        TWNIC whois server at whois.twnic.net.
source:         TWNIC


person:         Tomson
address:        Hsinchu city Taiwan
country:        TW
e-mail:         [email protected]
nic-hdl:        TL527-TW
changed:        [email protected] 20050721
source:         TWNIC

Overlapping Ranges

BGP prefixes that contain 123.110.232.0/21

Range	ASN	Company	Num of IPs
123.110.128.0/17	AS131596	TBC	32,768

Nearby Ranges

BGP prefixes that overlap with 123.110.0.0/16

Range	ASN	Company	Num of IPs
123.110.128.0/17	AS131596	TBC	32,768
123.110.0.0/18	AS131596	TBC	16,384
123.110.64.0/19	AS131596	TBC	8,192
123.110.112.0/20	AS131596	TBC	4,096
123.110.96.0/20	AS131596	TBC	4,096

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

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Pingable IPs

1,725 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
123.110.237.126	AS131596 TBC	`2.11ms` from Taipei, TW
123.110.235.62	AS131596 TBC	`1.96ms` from Taipei, TW
123.110.236.126	AS131596 TBC	`2.12ms` from Taipei, TW
123.110.239.190	AS131596 TBC	`2.06ms` from Taipei, TW
123.110.238.190	AS131596 TBC	`2.07ms` from Taipei, TW
123.110.232.126	AS131596 TBC	`2.19ms` from Taipei, TW
123.110.233.254	AS131596 TBC	`2.83ms` from Taipei, TW
123.110.234.62	AS131596 TBC	`2.10ms` from Taipei, TW

Other Pingable IPs

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

IP Address	ASN	Details
105.109.175.37	AS36947 Telecom Algeria	`14.76ms` from Algiers, DZ
209.40.220.37	AS202015 HZ Hosting Ltd	`0.20ms` from Ashburn, US
52.115.211.53	AS8075 Microsoft Corporation	`1.74ms` from Ashburn, US
155.190.100.21	AS36692 Cisco OpenDNS, LLC	`0.23ms` from Atlanta, US
119.6.15.181	AS4837 CHINA UNICOM China169 Backbone	`3.18ms` from Chengdu, CN
84.216.250.21	AS8434 Telenor Sverige AB	`15.55ms` from Goeteborg, SE
121.197.47.181	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`5.72ms` from Hangzhou, CN
45.232.104.245	AS27843 WIN EMPRESAS S.A.C.	`0.24ms` from Lima, PE
138.251.2.85	AS786 Jisc Services Limited	`10.92ms` from London, GB
84.43.6.213	AS13285 TalkTalk Communications Limited	`2.47ms` from Manchester, GB
106.227.17.21	AS148969 China Telecom	`0.28ms` from Nanchang, CN
104.131.235.101	AS14061 DigitalOcean, LLC	`0.67ms` from New York City, US
101.140.125.85	AS17511 OPTAGE Inc.	`1.96ms` from Osaka, JP
131.213.83.229	AS2527 Sony Network Communications Inc.	`5.04ms` from Osaka, JP
37.107.182.5	AS25019 Saudi Telecom Company JSC	`2.68ms` from Riyadh, SA
185.37.63.21	AS12555 Data-center IMAQLIQ Ltd.	`0.59ms` from Saint Petersburg, RU
125.177.94.5	AS17858 LG POWERCOMM	`1.80ms` from Seoul, KR
106.244.40.21	AS3786 LG DACOM Corporation	`2.21ms` from Seoul, KR
213.194.136.133	AS15704 XTRA TELECOM S.A.	`1.99ms` from Sevilla, ES
35.73.75.53	AS16509 Amazon.com, Inc.	`0.17ms` from Tokyo, JP
113.57.214.197	AS4837 CHINA UNICOM China169 Backbone	`2.10ms` from Wuhan, CN
8.26.16.181	AS44521 Jagex Limited	`0.45ms` from Ashburn, US
173.194.209.85	AS15169 Google LLC	`7.08ms` from Atlanta, US
188.6.102.5	AS5483 Magyar Telekom Plc.	`3.46ms` from Budapest, HU
130.225.204.37	AS1835 Forskningsnettet - Danish network for Research and Education	`4.59ms` from Falkenberg, SE

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

traceroute -a -n -q1 -f6 123.110.234.181

traceroute to 123.110.234.181 (123.110.234.181): 64 hops max, 52 byte packets

6 [AS131596] 123.110.234.181 10.237 ms

Measurement taken from

IPinfo ProbeNet in Taipei, TW

On December 20th 2025

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

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