103.240.56.0/23

AS138164 · Macau University of Science and Technology

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Summary

Country	Macao
Domain	must.edu.mo
ASN	AS138164
Registry	APNIC
ID	MUST-AS-AP

WHOIS Details

inetnum:        103.240.56.0 - 103.240.57.255
netname:        MUST-AS-AP
descr:          Macau University of Science and Technology
country:        MO
org:            ORG-MUOS1-AP
admin-c:        MUOS1-AP
tech-c:         MUOS1-AP
abuse-c:        AM2506-AP
status:         ASSIGNED PORTABLE
remarks:        --------------------------------------------------------
remarks:        To report network abuse, please contact mnt-irt
remarks:        For troubleshooting, please contact tech-c and admin-c
remarks:        Report invalid contact via www.apnic.net/invalidcontact
remarks:        --------------------------------------------------------
mnt-by:         APNIC-HM
mnt-routes:     MAINT-MUST-MO
mnt-irt:        IRT-MUST-MO
last-modified:  2023-08-01T13:37:39Z
source:         APNIC

irt:            IRT-MUST-MO
address:        Avenida Wai Long, Block N, Room N419, Taipa, Macau, Macau
e-mail:         ito.network@must.edu.mo
abuse-mailbox:  ito.network@must.edu.mo
admin-c:        MUOS1-AP
tech-c:         MUOS1-AP
auth:           # Filtered
remarks:        ito.network@must.edu.mo was validated on 2025-08-20
mnt-by:         MAINT-MUST-MO
last-modified:  2025-08-20T00:56:04Z
source:         APNIC

organisation:   ORG-MUOS1-AP
org-name:       Macau University of Science and Technology
org-type:       LIR
country:        MO
address:        Avenida Wai Long, Block N, Room N419, Taipa, Macau
phone:          +853-88972080
e-mail:         it.lic@must.edu.mo
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:17:34Z
source:         APNIC

role:           ABUSE MUSTMO
country:        ZZ
address:        Avenida Wai Long, Block N, Room N419, Taipa, Macau, Macau
phone:          +000000000
e-mail:         ito.network@must.edu.mo
admin-c:        MUOS1-AP
tech-c:         MUOS1-AP
nic-hdl:        AM2506-AP
remarks:        Generated from irt object IRT-MUST-MO
remarks:        ito.network@must.edu.mo was validated on 2025-08-20
abuse-mailbox:  ito.network@must.edu.mo
mnt-by:         APNIC-ABUSE
last-modified:  2025-08-20T00:56:21Z
source:         APNIC

role:           Macau University of Science and Technology adminis
address:        Avenida Wai Long, Block N, Room N419, Taipa, Macau, Macau
country:        MO
phone:          +853-88972080
fax-no:         +853-88972080
e-mail:         ito.network@must.edu.mo
admin-c:        MUOS1-AP
tech-c:         MUOS1-AP
nic-hdl:        MUOS1-AP
mnt-by:         MAINT-MUST-MO
last-modified:  2018-08-28T23:34:30Z
source:         APNIC

route:          103.240.56.0/23
origin:         AS138164
descr:          Macau University of Science and Technology Avenida Wai Long, Block N, Room N419, Taipa, Macau
mnt-by:         MAINT-MUST-MO
last-modified:  2023-11-28T07:11:31Z
source:         APNIC

Hosted domains

There are 10 domain names hosted across 3 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
103.240.56.186	desci-central.com	7
103.240.57.18	xn--8mrq2kk1bz5lj04azta.com	2
103.240.56.48	loaf.press	1

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

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Pingable IPs

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

IP Address	ASN	Details
103.240.56.208	AS138164 Macau University of Science and Technology	`2.17ms` from Hong Kong, HK
103.240.57.254	AS138164 Macau University of Science and Technology	`2.42ms` from Hong Kong, HK

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
105.97.162.103	AS36947 Telecom Algeria	`11.77ms` from Algiers, DZ
89.155.101.87	AS2860 NOS COMUNICACOES, S.A.	`6.34ms` from Braga, PT
35.210.43.119	AS15169 Google LLC	`0.15ms` from Brussels, BE
71.69.85.167	AS11426 Charter Communications Inc	`6.14ms` from Charlotte, US
182.156.192.167	AS45820 Tata Teleservices ISP AS	`0.58ms` from Chennai, IN
166.194.134.103	AS7018 AT&T Enterprises, LLC	`0.64ms` from Chicago, US
169.59.0.119	AS36351 IBM Cloud	`1.19ms` from Dallas, US
91.89.65.247	AS3209 Vodafone GmbH	`12.38ms` from Frankfurt am Main, DE
102.130.41.39	AS37302 Dube TradePort	`8.32ms` from Johannesburg, ZA
146.198.25.183	AS6871 Plusnet	`4.25ms` from London, GB
82.84.154.87	AS8612 Tiscali Italia S.P.A.	`0.91ms` from Milan, IT
176.169.119.183	AS5410 Bouygues Telecom SA	`6.67ms` from Paris, FR
96.227.104.215	AS701 Verizon Business	`1.61ms` from Philadelphia, US
35.169.70.183	AS14618 Amazon.com, Inc.	`0.13ms` from Reston, US
59.20.155.103	AS4766 Korea Telecom	`6.24ms` from Seoul, KR
115.21.234.247	AS4766 Korea Telecom	`1.62ms` from Seoul, KR
66.116.30.135	AS5742 Consolidated Communications, Inc.	`12.43ms` from St. Louis, US
180.11.64.87	AS4713 NTT Communications Corporation	`2.86ms` from Tokyo, JP
154.246.129.103	AS36947 Telecom Algeria	`15.53ms` from Algiers, DZ
101.30.83.103	AS4837 CHINA UNICOM China169 Backbone	`5.31ms` from Beijing, CN
86.154.90.87	AS2856 British Telecommunications PLC	`5.52ms` from London, GB
67.124.219.247	AS7018 AT&T Enterprises, LLC	`4.21ms` from Los Angeles, US
90.112.143.167	AS3215 Orange S.A.	`8.73ms` from Marseille, FR
179.154.203.71	AS28573 Claro NXT Telecomunicacoes Ltda	`5.47ms` from Sao Paulo, BR
118.166.22.151	AS3462 Data Communication Business Group	`1.33ms` from Taipei, TW

Traceroute

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

traceroute -a -n -q1 -f4 103.240.57.254

traceroute to 103.240.57.254 (103.240.57.254): 64 hops max, 52 byte packets

4 [AS51346] 91.218.162.141 0.668 ms

5 [AS28910] 195.69.189.120 6.111 ms

6 [AS28910] 195.69.189.47 6.542 ms

7 [AS9002] 87.245.238.32 39.654 ms

8 [AS9002] 87.245.232.4 147.056 ms

9 [] 123.255.91.130 163.039 ms

10 [AS4609] 202.175.0.145 165.647 ms

11 [AS4609] 202.175.54.90 145.583 ms

12 [AS4609] 182.93.63.57 145.586 ms

13 [AS138164] 103.240.57.254 147.527 ms

Measurement taken from

IPinfo ProbeNet in Dushanbe, TJ

On August 22nd 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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