203.77.53.0/24

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 203.77.53.0/24

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

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
20.54.240.8	AS8075 Microsoft Corporation	`0.22ms` from Amsterdam, NL
175.152.197.8	AS4837 CHINA UNICOM China169 Backbone	`3.16ms` from Chengdu, CN
61.0.17.184	AS9829 National Internet Backbone	`10.54ms` from Chennai, IN
107.11.84.200	AS10796 Charter Communications Inc	`9.59ms` from Columbus, US
54.78.207.248	AS16509 Amazon.com, Inc.	`0.23ms` from Dublin, IE
76.20.99.232	AS7922 Comcast Cable Communications, LLC	`11.68ms` from Fremont, US
211.187.26.248	AS9318 SK Broadband Co Ltd	`1.53ms` from Incheon, KR
171.76.117.88	AS24560 Bharti Airtel Ltd., Telemedia Services	`6.37ms` from Kolkata, IN
81.178.253.40	AS13285 TalkTalk Communications Limited	`4.03ms` from London, GB
62.34.152.184	AS5410 Bouygues Telecom SA	`8.66ms` from Marseille, FR
104.1.34.8	AS7018 AT&T Enterprises, LLC	`3.16ms` from Miami, US
149.169.54.120	AS2900 Arizona Tri University Network	`1.61ms` from Phoenix, US
101.91.47.88	AS4811 China Telecom (Group)	`1.05ms` from Shanghai, CN
70.171.50.136	AS22773 Cox Communications Inc.	`11.32ms` from Atlanta, US
85.216.99.232	AS3209 Vodafone GmbH	`10.07ms` from Frankfurt am Main, DE
212.53.240.72	AS62336 PURtel.com GmbH	`1.03ms` from Hamburg, DE
45.140.97.120	AS47556 Webtitude LTD	`0.40ms` from Keflavik, IS
164.215.4.24	AS35432 Cablenet Communication Systems plc	`1.00ms` from Nicosia, CY
120.27.114.136	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`0.16ms` from Qingdao, CN
54.196.234.88	AS14618 Amazon.com, Inc.	`0.20ms` from Reston, US
59.30.50.88	AS4766 Korea Telecom	`6.45ms` from Seoul, KR
50.100.79.88	AS577 Bell Canada	`4.88ms` from Toronto, CA
99.238.167.8	AS812 Rogers Communications Canada Inc.	`3.55ms` from Toronto, CA
62.166.188.216	AS50266 Odido Netherlands B.V.	`2.74ms` from Amsterdam, NL
85.27.202.168	AS34705 Norlys Digital A/S	`3.84ms` from Copenhagen, DK

Traceroute

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

traceroute -a -n -q1 -f3 -m7 203.77.53.6

traceroute to 203.77.53.6 (203.77.53.6): 7 hops max, 52 byte packets

3 [AS50673] 185.8.179.33 0.847 ms

4 [AS6453] 80.231.80.65 3.35 ms

5 *

6 *

7 *

Measurement taken from

IPinfo ProbeNet in Dronten, NL

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.

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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