221.120.75.0/24

AS17421 · Mobile Business Group

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Summary

Country	Taiwan
Domain	cht.com.tw
ASN	AS17421
Registry	TWNIC
ID	EMOME-NET

WHOIS Details

inetnum:        221.120.64.0 - 221.120.79.255
netname:        EMOME-NET
descr:          Chunghwa Telecom Co.,Ltd.
descr:          No.21-3, Sec. 1, Xinyi Rd., Taipei 10048, Taiwan, R.O.C.
descr:          Taipei Taiwan
country:        TW
admin-c:        CFK7-TW
tech-c:         CFK7-TW
mnt-by:         MAINT-TW-TWNIC
changed:        [email protected] 20040920
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

Nearby Ranges

BGP prefixes that overlap with 221.120.0.0/16

Range	ASN	Company	Num of IPs
221.120.128.0/20	AS4857	IP EXCHANGE International Networks	4,096
221.120.168.0/21	AS18070	Global Network Core Co.,Ltd.	2,048
221.120.96.0/21	AS135076	INFOCOM LIMITED	2,048
221.120.160.0/22	AS38901	EZECOM CO., LTD.	1,024
221.120.164.0/22	AS64098	TASMANET	1,024
221.120.97.0/24	AS135076	INFOCOM LIMITED	256
221.120.98.0/24	AS135076	INFOCOM LIMITED	256
221.120.99.0/24	AS135076	INFOCOM LIMITED	256
221.120.100.0/24	AS135076	INFOCOM LIMITED	256
221.120.81.0/24	AS17421	Chunghwa Telecom Co.,Ltd.	256
221.120.82.0/24	AS17421	Chunghwa Telecom Co.,Ltd.	256
221.120.83.0/24	AS17421	Chunghwa Telecom Co.,Ltd.	256
221.120.238.0/24	AS17557	Ufone	256
221.120.128.0/24	AS4857	IP EXCHANGE International Networks	256
221.120.80.0/24	AS17421	Chunghwa Telecom Co.,Ltd.	256
221.120.101.0/24	AS135076	INFOCOM LIMITED	256
221.120.102.0/24	AS135076	INFOCOM LIMITED	256
221.120.103.0/24	AS135076	INFOCOM LIMITED	256
221.120.96.0/24	AS135076	INFOCOM LIMITED	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

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
212.123.29.136	AS6848 Telenet BV	`2.44ms` from Brussels, BE
35.201.246.8	AS396982 Google LLC	`0.14ms` from Chang-hua, TW
174.99.252.120	AS11426 Charter Communications Inc	`0.93ms` from Charlotte, US
34.171.102.168	AS396982 Google LLC	`0.12ms` from Council Bluffs, US
165.120.12.248	AS2856 British Telecommunications PLC	`1.85ms` from Erith, GB
147.147.248.248	AS6871 Plusnet	`5.16ms` from Erith, GB
147.45.71.232	AS210644 AEZA INTERNATIONAL LTD	`0.48ms` from Frankfurt am Main, DE
87.152.191.120	AS3320 Deutsche Telekom AG	`3.78ms` from Nuernberg, DE
123.135.247.120	AS4837 CHINA UNICOM China169 Backbone	`8.18ms` from Qingdao, CN
112.185.140.88	AS4766 Korea Telecom	`8.83ms` from Seoul, KR
182.170.249.104	AS2527 Sony Network Communications Inc.	`4.79ms` from Tokyo, JP
1.195.201.88	AS4134 CHINANET-BACKBONE	`8.97ms` from Zhengzhou, CN
58.96.110.136	AS10143 Exetel Pty Ltd	`1.24ms` from Adelaide, AU
20.93.152.200	AS8075 Microsoft Corporation	`0.28ms` from Amsterdam, NL
23.226.160.216	AS400633 Peoples Rural Telephone Cooperative Corporation, Inc.	`15.99ms` from Atlanta, US
87.188.194.56	AS3320 Deutsche Telekom AG	`3.77ms` from Berlin, DE
3.163.55.184	AS16509 Amazon.com, Inc.	`0.23ms` from Bogota, CO
4.152.109.40	AS8075 Microsoft Corporation	`0.19ms` from Boydton, US
40.127.103.200	AS8075 Microsoft Corporation	`0.15ms` from Dublin, IE
213.168.121.248	AS8422 NetCologne Gesellschaft fur Telekommunikation mbH	`2.40ms` from Duesseldorf, DE
23.204.128.200	AS16625 Akamai Technologies, Inc.	`0.22ms` from Frankfurt am Main, DE
104.214.168.104	AS8075 Microsoft Corporation	`0.32ms` from Hong Kong, HK
176.194.212.8	AS12714 PJSC MegaFon	`10.16ms` from Moscow, RU
54.152.223.56	AS14618 Amazon.com, Inc.	`0.17ms` from Reston, US
54.81.235.40	AS14618 Amazon.com, Inc.	`0.21ms` from Reston, US

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 221.120.75.114

traceroute to 221.120.75.114 (221.120.75.114): 7 hops max, 52 byte packets

3 [AS12570] 212.96.178.177 1.312 ms

4 [AS12570] 212.96.178.38 1.175 ms

5 *

6 *

7 *

Measurement taken from

IPinfo ProbeNet in Brno, CZ

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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