203.77.54.0/23

AS24164 · UNION BROADBAND NETWORK

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Summary

Country	Taiwan
Domain	taiwanmobile.com
ASN	AS24164
Parent Range	203.77.32.0/19
Registry	TWNIC
ID	TFN-NET

WHOIS Details

inetnum:        203.77.32.0 - 203.77.63.255
netname:        TFN-NET
descr:          Taiwan Fixed Network CO.,LTD.
descr:          15 F., No. 172-1, Sec. 2, Keelung Rd., Da-an Dist.
descr:          Taipei City Taiwan
country:        TW
admin-c:        MW1141-TW
tech-c:         MW1141-TW
mnt-by:         MAINT-TW-TWNIC
changed:        nickchang@taiwanmobile.com 20140818
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:         Ethan
address:        Taipei Taiwan
country:        TW
e-mail:         ethanchen@taiwanmobile.com
nic-hdl:        MW1141-TW
changed:        hostmaster@twnic.net.tw 20120504
source:         TWNIC

Overlapping Ranges

BGP prefixes that contain 203.77.54.0/23

Range	ASN	Company	Num of IPs
203.77.32.0/19	AS24165	Taiwan Fixed Network CO.,LTD.	8,192
203.77.32.0/19	AS24164	Taiwan Fixed Network CO.,LTD.	8,192
203.77.32.0/19	AS9924	Taiwan Fixed Network CO.,LTD.	8,192

Nearby Ranges

BGP prefixes that overlap with 203.77.0.0/16

Range	ASN	Company	Num of IPs
203.77.32.0/19	AS24165	Taiwan Fixed Network CO.,LTD.	8,192
203.77.32.0/19	AS24164	Taiwan Fixed Network CO.,LTD.	8,192
203.77.128.0/19	AS9660	Kannet Limited	8,192
203.77.32.0/19	AS9924	Taiwan Fixed Network CO.,LTD.	8,192
203.77.168.0/21	AS153526	Laos Mobile Communications Sole Co., Ltd	2,048
203.77.177.0/24	AS24558	Internet Hosting Service Provider to the Aditya Birla Group of	256
203.77.179.0/24	AS9942	TPG Internet Pty Ltd.	256
203.77.218.0/24	AS18393	DANA Network	256
203.77.221.0/24	AS18393	Matrix Indo, PT	256
203.77.178.0/24	AS24174	Vikki Digital Bank Limited	256
203.77.176.0/24	AS24509	Xpedite Systems, Electronic document distribution and data messaging service provider.	256

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

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

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
80.161.24.247	AS3292 TDC Holding A/S	`1.84ms` from Copenhagen, DK
80.153.41.183	AS3320 Deutsche Telekom AG	`7.81ms` from Frankfurt am Main, DE
212.159.136.135	AS13285 TalkTalk Communications Limited	`5.42ms` from London, GB
87.219.253.23	AS12479 Orange Espagne SA	`1.71ms` from Madrid, ES
82.49.7.199	AS3269 Telecom Italia S.p.A.	`5.22ms` from Milan, IT
67.205.103.247	AS32613 Leaseweb Canada Inc.	`0.83ms` from Montreal, CA
194.67.211.135	AS209641 I-SERVERS LTD	`0.64ms` from Moscow, RU
130.76.180.71	AS196 The Boeing Company	`1.41ms` from Phoenix, US
44.206.27.135	AS14618 Amazon.com, Inc.	`0.17ms` from Reston, US
49.29.81.103	AS4766 Korea Telecom	`7.57ms` from Seoul, KR
106.14.49.23	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`1.56ms` from Shanghai, CN
35.240.170.247	AS396982 Google LLC	`0.14ms` from Singapore, SG
197.205.72.103	AS36947 Telecom Algeria	`19.66ms` from Algiers, DZ
184.191.77.135	AS22773 Cox Communications Inc.	`3.90ms` from Ashburn, US
70.191.244.7	AS22773 Cox Communications Inc.	`15.42ms` from Atlanta, US
140.179.171.7	AS55960 Beijing Guanghuan Xinwang Digital	`3.57ms` from Beijing, CN
108.230.165.119	AS7018 AT&T Enterprises, LLC	`2.14ms` from Chicago, US
14.180.224.119	AS45899 VNPT Corp	`3.60ms` from Da Nang, VN
71.15.37.119	AS20115 Charter Communications LLC	`15.04ms` from Dallas, US
87.168.145.7	AS3320 Deutsche Telekom AG	`5.41ms` from Duesseldorf, DE
4.165.10.103	AS8075 Microsoft Corporation	`0.22ms` from Gaevle, SE
216.19.4.103	AS150436 Byteplus Pte. Ltd.	`0.38ms` from Hong Kong, HK
5.249.79.199	AS12353 Vodafone Portugal	`6.67ms` from Lisbon, PT
185.16.122.199	AS200845 AVATEL TELECOM, SA	`9.50ms` from Madrid, ES
73.107.179.23	AS7922 Comcast Cable Communications, LLC	`7.97ms` from Miami, US

Traceroute

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

traceroute -a -n -q1 -m5 203.77.54.189

traceroute to 203.77.54.189 (203.77.54.189): 5 hops max, 52 byte packets

1 [AS15169] 142.251.255.195 239.008 ms

2 [AS15169] 192.178.106.70 239.574 ms

3 *

4 *

5 *

Measurement taken from

IPinfo ProbeNet in Milan, IT

On February 7th 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.

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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