203.77.36.0/24

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 203.77.36.0/24

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

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Useful for Cybersecurity

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Pingable IPs

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

IP Address	ASN	Details
203.77.36.192	AS24164 UNION BROADBAND NETWORK	`0.61ms` 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
73.13.201.168	AS7922 Comcast Cable Communications, LLC	`8.14ms` from Ashburn, US
203.221.203.88	AS7545 TPG Telecom Limited	`1.53ms` from Brisbane, AU
97.70.206.152	AS33363 Charter Communications, Inc	`12.04ms` from Chicago, US
3.29.70.248	AS16509 Amazon.com, Inc.	`0.09ms` from Dubai, AE
1.54.55.120	AS18403 FPT Telecom Company	`1.28ms` from Ho Chi Minh City, VN
125.165.214.136	AS7713 PT Telekomunikasi Indonesia	`9.15ms` from Jakarta, ID
86.13.225.216	AS5089 Virgin Media Limited	`8.11ms` from London, GB
213.176.35.56	AS142578 E-Large (HongKong)	`0.20ms` from Los Angeles, US
31.193.32.24	AS15433 Telecom Italia San Marino S.p.A	`6.28ms` from Milan, IT
177.115.103.120	AS26599 TELEFÔNICA BRASIL S.A	`2.39ms` from Osasco, BR
116.32.63.24	AS17858 LG POWERCOMM	`1.48ms` from Seoul, KR
124.54.104.8	AS17858 LG POWERCOMM	`2.13ms` from Seoul, KR
212.233.237.8	AS29582 Optisprint OOD	`3.17ms` from Sofia, BG
13.238.191.88	AS16509 Amazon.com, Inc.	`0.13ms` from Sydney, AU
99.83.64.104	AS16509 Amazon.com, Inc.	`0.75ms` from São Paulo, BR
34.140.234.72	AS396982 Google LLC	`0.14ms` from Brussels, BE
35.189.162.24	AS396982 Google LLC	`0.16ms` from Chang-hua, TW
67.149.242.72	AS12083 WideOpenWest Finance LLC	`10.24ms` from Chicago, US
52.141.174.8	AS8075 Microsoft Corporation	`0.45ms` from Chicago, US
150.230.252.168	AS31898 Oracle Corporation	`0.17ms` from Chuncheon, KR
34.56.19.136	AS396982 Google LLC	`0.13ms` from Council Bluffs, US
18.164.244.104	AS16509 Amazon.com, Inc.	`0.10ms` from Delhi, IN
20.199.212.104	AS8075 Microsoft Corporation	`0.70ms` from Geneve, CH
27.79.31.248	AS7552 Viettel Group	`9.85ms` from Ho Chi Minh City, VN
117.3.37.8	AS7552 Viettel Group	`9.63ms` from Ho Chi Minh City, VN

Traceroute

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

traceroute -a -n -q1 -f3 203.77.36.236

traceroute to 203.77.36.236 (203.77.36.236): 64 hops max, 52 byte packets

3 [AS21859] 23.248.177.212 123.55 ms

4 [AS21859] 23.248.177.161 0.394 ms

5 [AS9924] 60.199.21.246 0.717 ms

6 [AS9924] 60.199.47.226 0.446 ms

7 [AS9924] 61.31.51.142 1.074 ms

8 [AS24164] 203.77.36.236 1.234 ms

Measurement taken from

IPinfo ProbeNet in Taipei, TW

On January 30th 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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