123.0.203.0/24

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:        123.0.200.0 - 123.0.207.255
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 123.0.203.0/24

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

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

IP Address	ASN	Details
123.0.203.126	AS131596 TBC	`1.37ms` 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
155.207.59.24	AS5470 AUTH-NET-AS	`10.17ms` from Athens, GR
156.205.35.24	AS8452 TE-AS	`7.27ms` from Cairo, EG
67.197.99.152	AS14615 Comporium, Inc	`4.61ms` from Charlotte, US
67.167.84.72	AS7922 Comcast Cable Communications, LLC	`6.32ms` from Chicago, US
161.29.223.152	AS140220 Sky Network Television Ltd	`5.86ms` from Christchurch, NZ
121.74.221.184	AS9500 One New Zealand Group Limited	`5.56ms` from Christchurch, NZ
109.78.121.232	AS15502 Vodafone Ireland Limited	`4.44ms` from Dublin, IE
98.45.169.8	AS7922 Comcast Cable Communications, LLC	`5.56ms` from Fremont, US
8.134.195.88	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`0.60ms` from Guangzhou, CN
43.128.41.168	AS132203 Tencent Building, Kejizhongyi Avenue	`0.60ms` from Hong Kong, HK
46.39.241.24	AS29124 Iskratelecom JSC	`0.82ms` from Moscow, RU
92.127.49.72	AS12389 PJSC Rostelecom	`9.62ms` from Novosibirsk, RU
146.247.229.8	AS12552 GlobalConnect AB	`0.89ms` from Stockholm, SE
27.139.98.136	AS9824 JCOM Co., Ltd.	`12.46ms` from Tokyo, JP
89.77.199.120	AS9141 P4 Sp. z o.o.	`5.21ms` from Warsaw, PL
125.46.206.168	AS4837 CHINA UNICOM China169 Backbone	`2.13ms` from Zhengzhou, CN
171.100.242.72	AS7470 TRUE INTERNET Co.,Ltd.	`1.44ms` from Bangkok, TH
188.209.179.104	AS61028 Stadtwerke Schwedt GmbH	`8.37ms` from Berlin, DE
105.159.162.184	AS36903 Office National des Postes et Telecommunications ONPT (Maroc Telecom) / IAM	`5.38ms` from Casablanca, MA
209.122.101.168	AS6079 RCN	`15.69ms` from Chicago, US
91.72.251.56	AS15802 Emirates Integrated Telecommunications Company PJSC	`3.82ms` from Dubai, AE
91.13.198.248	AS3320 Deutsche Telekom AG	`6.10ms` from Frankfurt am Main, DE
2.7.63.248	AS3215 Orange S.A.	`11.46ms` from Marseille, FR
176.150.35.184	AS5410 Bouygues Telecom SA	`7.13ms` from Marseille, FR
95.237.164.24	AS3269 Telecom Italia S.p.A.	`2.27ms` from Milan, IT

Traceroute

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

traceroute -a -n -q1 -f3 123.0.203.126

traceroute to 123.0.203.126 (123.0.203.126): 64 hops max, 52 byte packets

3 [] 203.163.222.201 7.698 ms

4 *

5 [AS131596] 123.0.203.126 1.434 ms

Measurement taken from

IPinfo ProbeNet in Taipei, TW

On November 14th 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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