123.0.237.0/24

AS131596 · TBC

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Summary

Country	Taiwan
Domain	tbc.net.tw
ASN	AS131596
Parent Range	123.0.192.0/18
Registry	TWNIC
ID	TBCOM-NET

WHOIS Details

inetnum:        123.0.232.0 - 123.0.239.255
netname:        TBCOM-NET
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:        HN619-TW
tech-c:         AL364-TW
mnt-by:         MAINT-TW-TWNIC
changed:        derek.li@tbc.net.tw 20070125
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:         abuse
address:        Hsinchu city Taiwan
country:        TW
e-mail:         abuse@mail.lsc.net.tw
nic-hdl:        AL364-TW
changed:        hostmaster@twnic.net.tw 20060302
source:         TWNIC

Overlapping Ranges

BGP prefixes that contain 123.0.237.0/24

Range	ASN	Company	Num of IPs
123.0.192.0/18	AS131596	TBC	16,384

Nearby Ranges

BGP prefixes that overlap with 123.0.0.0/16

Range	ASN	Company	Num of IPs
123.0.192.0/18	AS131596	TBC	16,384
123.0.32.0/19	AS24164	UNION BROADBAND NETWORK	8,192
123.0.64.0/19	AS18278	Cable TV Corporation	8,192
123.0.96.0/19	AS18278	Cable TV Corporation	8,192
123.0.16.0/20	AS59341	5th floor, 56-57 Shareef Mention	4,096
123.0.32.0/20	AS24164	TFN MEDIA CO., LTD.	4,096
123.0.48.0/20	AS24164	TFN MEDIA CO., LTD.	4,096
123.0.16.0/20	AS139715	5th floor, 56-57 Shareef Mention	4,096
123.0.16.0/20	AS56054	5th floor, 56-57 Shareef Mention	4,096
123.0.192.0/22	AS131596	TBC	1,024

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.

Useful for Cybersecurity

Read more

Pingable IPs

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

IP Address	ASN	Details
123.0.237.126	AS131596 TBC	`1.93ms` 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
205.206.111.152	AS852 TELUS Communications Inc.	`1.43ms` from Calgary, CA
98.223.181.232	AS7922 Comcast Cable Communications, LLC	`8.72ms` from Chicago, US
177.82.27.168	AS28573 Claro NXT Telecomunicacoes Ltda	`14.07ms` from Curitiba, BR
46.40.253.120	AS50010 Omani Qatari Telecommunication Company SAOC	`2.61ms` from Muscat, OM
67.87.12.88	AS6128 Cablevision Systems Corp.	`9.07ms` from New York City, US
72.189.126.152	AS33363 Charter Communications, Inc	`11.72ms` from Orlando, US
73.224.161.216	AS7922 Comcast Cable Communications, LLC	`5.88ms` from Orlando, US
153.187.152.72	AS4713 NTT DOCOMO BUSINESS,Inc.	`12.87ms` from Osaka, JP
176.144.199.120	AS5410 Bouygues Telecom SA	`1.51ms` from Paris, FR
47.224.191.152	AS20115 Charter Communications LLC	`9.50ms` from San Jose, US
122.193.36.248	AS4837 CHINA UNICOM China169 Backbone	`4.44ms` from Shanghai, CN
210.201.195.248	AS7482 Asia Pacific On-line Service Inc.	`2.29ms` from Taipei, TW
143.64.125.72	AS58593 Shanghai Blue Cloud Technology Co.,Ltd	`5.71ms` from Tianjin, CN
119.106.245.24	AS2516 KDDI CORPORATION	`9.62ms` from Tokyo, JP
178.191.181.104	AS8447 A1 Telekom Austria AG	`0.95ms` from Vienna, AT
59.173.135.232	AS4134 CHINANET-BACKBONE	`1.14ms` from Wuhan, CN
172.171.79.232	AS8075 Microsoft Corporation	`0.36ms` from Ashburn, US
118.139.106.136	AS56132 Monash University,	`19.40ms` from Canberra, AU
189.162.225.8	AS8151 UNINET	`12.24ms` from Cancún, MX
165.166.111.232	AS2711 Spirit Communications	`2.79ms` from Charlotte, US
89.56.62.152	AS207790 SWN Stadtwerke Neumuenster GmbH	`2.09ms` from Hamburg, DE
156.249.133.56	AS9304 HGC Global Communications Limited	`2.75ms` from Hong Kong, HK
125.166.145.168	AS7713 PT Telekomunikasi Indonesia	`6.17ms` from Jakarta, ID
119.113.249.248	AS4837 CHINA UNICOM China169 Backbone	`11.39ms` from Liaoyang, CN
66.24.191.248	AS11351 Charter Communications Inc	`18.02ms` from Morris Plains, US

Traceroute

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

traceroute -a -n -q1 -f5 123.0.237.190

traceroute to 123.0.237.190 (123.0.237.190): 64 hops max, 52 byte packets

5 [AS131596] 123.0.237.190 2.587 ms

Measurement taken from

IPinfo ProbeNet in Taipei, TW

On November 22nd 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.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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