42.71.0.0/18

AS17421 · Mobile Business Group

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Summary

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

WHOIS Details

inetnum:        42.64.0.0 - 42.79.255.255
netname:        EMOME-NET
descr:          Mobile Business Group
descr:          Chunghwa Telecom Co., Ltd.
descr:          No.35, Aiguo E. Rd , Taipei City
descr:          10641, Taiwan
country:        TW
admin-c:        CBG5-AP
tech-c:         CBG5-AP
abuse-c:        AT939-AP
status:         ALLOCATED PORTABLE
mnt-by:         MAINT-TW-TWNIC
mnt-irt:        IRT-TWNIC-AP
last-modified:  2021-11-04T00:49:28Z
source:         APNIC

irt:            IRT-TWNIC-AP
address:        3F., No. 123, Sec. 4, Bade Rd., Songshan Dist., Taipei 105, Taiwan
e-mail:         hostmaster@twnic.tw
abuse-mailbox:  hostmaster@twnic.tw
admin-c:        TWA2-AP
tech-c:         TWA2-AP
auth:           # Filtered
remarks:        Please note that TWNIC is not an ISP and is not empowered
remarks:        to investigate complaints of network abuse.
remarks:        hostmaster@twnic.tw was validated on 2025-05-23
mnt-by:         MAINT-TW-TWNIC
last-modified:  2025-05-23T00:01:36Z
source:         APNIC

role:           ABUSE TWNICAP
country:        ZZ
address:        3F., No. 123, Sec. 4, Bade Rd., Songshan Dist., Taipei 105, Taiwan
phone:          +000000000
e-mail:         hostmaster@twnic.tw
admin-c:        TWA2-AP
tech-c:         TWA2-AP
nic-hdl:        AT939-AP
remarks:        Generated from irt object IRT-TWNIC-AP
remarks:        hostmaster@twnic.tw was validated on 2025-05-23
abuse-mailbox:  hostmaster@twnic.tw
mnt-by:         APNIC-ABUSE
last-modified:  2025-05-23T00:02:10Z
source:         APNIC

role:           CHT-Mobile Business Group
address:        7F, No. 52 Sec. 2 Chin-Shan S. Rd.
address:        Taipei, Taiwan, 106
country:        TW
phone:          +886-2-2344-2803
fax-no:         +886-2-2394-0814
e-mail:         chinhu@cht.com.tw
admin-c:        CH1309-AP
tech-c:         RL720-AP
nic-hdl:        CBG5-AP
remarks:        The role object should be used when making
remarks:        changes to admin-c or tech-c handle.
notify:         hostmaster@twnic.net.tw
mnt-by:         MAINT-TW-TWNIC
last-modified:  2009-10-09T04:30:10Z
source:         APNIC

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
2.133.138.98	AS9198 JSC Kazakhtelecom	`7.37ms` from Almaty, KZ
82.168.134.82	AS1136 KPN B.V.	`1.05ms` from Amsterdam, NL
35.167.152.162	AS16509 Amazon.com, Inc.	`0.17ms` from Boardman, US
128.187.28.98	AS6510 Brigham Young University	`12.45ms` from Boise, US
79.140.4.18	AS6876 TENET Scientific Production Enterprise LLC	`3.37ms` from Chisinau, MD
104.206.98.178	AS62904 Eonix Corporation	`0.50ms` from Dallas, US
64.44.81.2	AS20278 Nexeon Technologies, Inc.	`0.09ms` from Denver, US
152.23.164.2	AS36850 University of North Carolina at Chapel Hill	`7.74ms` from Manassas, US
45.91.108.2	AS6206 Netrouting B.V.	`0.14ms` from Miami, US
208.111.120.2	AS33623 Hayneville Telephone Company	`8.07ms` from Murfreesboro, US
27.212.108.34	AS4837 CHINA UNICOM China169 Backbone	`5.66ms` from Qingdao, CN
208.53.46.34	AS13767 DataBank Holdings, Ltd.	`1.01ms` from Salt Lake City, US
104.168.22.2	AS36352 HostPapa	`0.17ms` from Seattle, US
58.151.84.178	AS3786 LG DACOM Corporation	`2.02ms` from Seoul, KR
114.231.96.130	AS4134 CHINANET-BACKBONE	`9.10ms` from Suqian, CN
123.243.247.98	AS7545 TPG Telecom Limited	`0.98ms` from Sydney, AU
89.250.195.2	AS41421 StarNet Telecom Sp. z o.o.	`0.49ms` from Warsaw, PL
97.235.215.194	AS6167 Verizon Business	`15.73ms` from Washington, US
163.156.220.2	AS24949 AXA Technology Services UK Limited	`1.21ms` from Zuerich, CH
77.171.210.98	AS1136 KPN B.V.	`1.29ms` from Amsterdam, NL
60.27.209.210	AS4837 CHINA UNICOM China169 Backbone	`5.38ms` from Beijing, CN
89.195.95.82	AS8011 MongoDB, Inc.	`0.13ms` from Boardman, US
69.132.224.146	AS11426 Charter Communications Inc	`5.94ms` from Charlotte, US
18.216.236.66	AS16509 Amazon.com, Inc.	`0.17ms` from Columbus, US
170.78.186.2	AS265490 Renault do Brasil S/A	`1.25ms` from Curitiba, BR

Traceroute

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

traceroute -a -n -q1 -f2 -m6 42.71.53.252

traceroute to 42.71.53.252 (42.71.53.252): 6 hops max, 52 byte packets

2 [AS5578] 195.168.117.209 1.06 ms

3 [AS5578] 62.168.99.154 0.705 ms

4 *

5 *

6 *

Measurement taken from

IPinfo ProbeNet in Bratislava, SK

On August 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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