123.110.176.0/21

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:        derek.li@tbc.net.tw 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:         tomson@mail.best-tv.com.tw
nic-hdl:        TL527-TW
changed:        hostmaster@twnic.net.tw 20050721
source:         TWNIC

Overlapping Ranges

BGP prefixes that contain 123.110.176.0/21

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

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

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Pingable IPs

1,710 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
123.110.179.62	AS131596 TBC	`2.06ms` from Taipei, TW
123.110.178.126	AS131596 TBC	`2.14ms` from Taipei, TW
123.110.183.190	AS131596 TBC	`1.95ms` from Taipei, TW
123.110.180.126	AS131596 TBC	`1.98ms` from Taipei, TW
123.110.182.190	AS131596 TBC	`1.87ms` from Taipei, TW
123.110.181.254	AS131596 TBC	`2.14ms` from Taipei, TW
123.110.176.254	AS131596 TBC	`1.83ms` from Taipei, TW
123.110.177.62	AS131596 TBC	`3.29ms` 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
209.209.181.101	AS10397 Momentum Telecom, Inc.	`0.33ms` from Atlanta, US
108.195.167.5	AS7018 AT&T Enterprises, LLC	`4.08ms` from Atlanta, US
193.227.165.5	AS9051 IncoNet Data Management sal	`0.41ms` from Beirut, LB
20.228.58.229	AS8075 Microsoft Corporation	`0.43ms` from Des Moines, US
119.40.83.213	AS24122 BDCOM Online Limited	`0.37ms` from Dhaka, BD
95.44.87.229	AS5466 Eircom Limited	`5.59ms` from Dublin, IE
84.164.68.149	AS3320 Deutsche Telekom AG	`2.16ms` from Duesseldorf, DE
189.53.17.21	AS4230 CLARO S.A.	`0.40ms` from Fortaleza, BR
217.250.163.5	AS3320 Deutsche Telekom AG	`5.63ms` from Frankfurt am Main, DE
73.166.101.5	AS7922 Comcast Cable Communications, LLC	`7.10ms` from Houston, US
64.57.211.213	AS22576 DataPipe, Inc.	`0.94ms` from Kansas City, US
122.55.143.165	AS9299 Philippine Long Distance Telephone Company	`0.57ms` from Manila, PH
64.33.105.213	AS11232 Midcontinent Communications	`11.48ms` from Minneapolis, US
103.238.159.85	AS131232 ADP Private Limited	`3.76ms` from Mumbai, IN
49.249.193.149	AS17762 Tata Teleservices Maharashtra Ltd	`0.48ms` from Mumbai, IN
144.49.200.37	AS396982 Google LLC	`0.10ms` from Mumbai, IN
182.212.96.85	AS17858 LG POWERCOMM	`2.61ms` from Seoul, KR
220.78.204.53	AS4766 Korea Telecom	`1.64ms` from Seoul, KR
114.7.0.229	AS4761 INDOSAT Internet Network Provider	`3.53ms` from Singapore, SG
168.95.208.149	AS3462 Data Communication Business Group	`0.99ms` from Taichung, TW
175.98.102.165	AS9924 Taiwan Fixed Network, Telco and Network Service Provider.	`0.98ms` from Taipei, TW
129.27.122.37	AS1113 Technische Universitaet Graz	`4.01ms` from Vienna, AT
201.220.169.5	AS27818 Cotesma	`17.64ms` from Vina del Mar, CL
83.111.227.69	AS5384 Emirates Internet	`2.58ms` from Al Fujairah City, AE
88.208.59.5	AS39572 DataWeb Global Group B.V.	`0.21ms` from Amsterdam, NL

Traceroute

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

traceroute -a -n -q1 123.110.177.31

traceroute to 123.110.177.31 (123.110.177.31): 64 hops max, 52 byte packets

1 [AS15169] 66.249.95.114 3.422 ms

2 *

3 *

4 [AS17709] 211.76.103.134 8.245 ms

5 *

6 *

7 *

8 *

9 [AS131596] 123.110.177.31 15.235 ms

Measurement taken from

IPinfo ProbeNet in Chang-hua, TW

On March 13th 2026

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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