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:        [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 123.110.176.0/21

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

1,620 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
123.110.176.254	AS131596 TBC	`2.07ms` from Taipei, TW
123.110.180.126	AS131596 TBC	`2.25ms` from Taipei, TW
123.110.179.62	AS131596 TBC	`2.12ms` from Taipei, TW
123.110.177.62	AS131596 TBC	`3.20ms` from Taipei, TW
123.110.181.254	AS131596 TBC	`2.23ms` from Taipei, TW
123.110.178.62	AS131596 TBC	`2.29ms` from Taipei, TW
123.110.183.62	AS131596 TBC	`2.23ms` from Taipei, TW
123.110.182.254	AS131596 TBC	`2.24ms` 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
67.62.97.69	AS7029 Windstream Communications LLC	`5.50ms` from Atlanta, US
78.153.163.21	AS31027 GlobalConnect A/S	`0.45ms` from Copenhagen, DK
34.42.170.229	AS396982 Google LLC	`0.10ms` from Council Bluffs, US
40.77.65.53	AS8075 Microsoft Corporation	`0.20ms` from Des Moines, US
80.243.35.117	AS21413 Envia Tel GmbH	`5.74ms` from Falkenstein, DE
98.201.6.165	AS7922 Comcast Cable Communications, LLC	`4.49ms` from Houston, US
62.33.123.37	AS20485 Joint Stock Company TransTeleCom	`5.33ms` from Khabarovsk, RU
197.242.118.133	AS37340 SPECTRANET LIMITED	`15.81ms` from Lagos, NG
216.229.20.85	AS7806 Binary Net, LLC	`0.01ms` from Lincoln, US
89.16.237.133	AS5555 Sohonet Limited	`0.55ms` from London, GB
2.127.16.5	AS5607 Sky UK Limited	`3.58ms` from London, GB
12.119.24.85	AS7018 AT&T Enterprises, LLC	`1.27ms` from Los Angeles, US
51.94.90.165	AS16509 Amazon.com, Inc.	`6.65ms` from Madrid, ES
80.16.178.181	AS3269 Telecom Italia S.p.A.	`4.14ms` from Milan, IT
73.94.134.149	AS7922 Comcast Cable Communications, LLC	`6.44ms` from Minneapolis, US
195.94.250.101	AS8595 OOO WestCall Ltd.	`1.55ms` from Moscow, RU
89.82.99.85	AS5410 Bouygues Telecom SA	`10.30ms` from Paris, FR
187.149.224.5	AS8151 UNINET	`17.20ms` from Santiago de Queretaro, MX
152.0.213.245	AS6400 Compañía Dominicana de Teléfonos S. A.	`2.86ms` from Santo Domingo, DO
209.245.184.37	AS3356 Level 3 Parent, LLC	`0.63ms` from Seattle, US
121.185.55.229	AS4766 Korea Telecom	`4.34ms` from Seoul, KR
183.105.38.69	AS4766 Korea Telecom	`5.38ms` from Seoul, KR
14.34.9.53	AS4766 Korea Telecom	`2.22ms` from Seoul, KR
124.221.208.117	AS45090 Shenzhen Tencent Computer Systems Company Limited	`0.68ms` from Shanghai, CN
101.184.133.117	AS1221 Telstra Limited	`4.65ms` from Sydney, AU

Traceroute

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

traceroute -a -n -q1 123.110.177.172

traceroute to 123.110.177.172 (123.110.177.172): 64 hops max, 52 byte packets

1 [AS15169] 66.249.95.114 112.257 ms

2 *

3 [AS17709] 211.76.96.202 133.556 ms

4 [AS17709] 211.76.103.134 140.032 ms

5 *

6 *

7 *

8 *

9 [AS131596] 123.110.177.172 140.353 ms

Measurement taken from

IPinfo ProbeNet in Sydney, AU

On November 28th 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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