205.215.21.0/24

AS4609 · Companhia de Telecomunicacoes de Macau SARL

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Summary

Country	Macao
Domain	ctm.net
ASN	AS4609
Parent Range	205.215.0.0/19
Registry	ARIN
ID	NET-205-215-0-0-2

WHOIS Details

NetHandle:      NET-205-215-0-0-2
OrgID:          C07590931
Parent:         NET-205-215-0-0-1
NetName:        NET-205-215-0-0-2
NetRange:       205.215.0.0 - 205.215.31.255
NetType:        reassignment
OriginAS:       4609
RegDate:        2020-07-20
Updated:        2020-07-20
Source:         ARIN


OrgID:          C07590931
OrgName:        Companhia de Telecomunicacoes de Macau SARL
CanAllocate:    
Street:         Rua de Lagos
City:           Telecentro
State/Prov:     TAIPA
Country:        MO
PostalCode:     999078
RegDate:        2020-07-20
Updated:        2020-07-20
Source:         ARIN

Overlapping Ranges

BGP prefixes that contain 205.215.21.0/24

Range	ASN	Company	Num of IPs
205.215.0.0/19	AS4609	Companhia de Telecomunicacoes de Macau SARL	8,192
205.215.0.0/18	AS174	NetRail, Inc.	16,384

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

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Pingable IPs

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

IP Address	ASN	Details
205.215.21.2	AS4609 Companhia de Telecomunicacoes de Macau SARL	`2.94ms` 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
217.164.199.200	AS5384 Emirates Internet	`3.74ms` from Al Fujairah City, AE
109.93.91.232	AS8400 TELEKOM SRBIJA a.d.	`4.88ms` from Belgrade, RS
3.144.140.248	AS16509 Amazon.com, Inc.	`0.94ms` from Columbus, US
192.206.35.72	AS19173 Texas Exchange Bank	`2.94ms` from Dallas, US
52.16.238.184	AS16509 Amazon.com, Inc.	`0.18ms` from Dublin, IE
89.1.145.40	AS8422 NetCologne Gesellschaft fur Telekommunikation mbH	`3.38ms` from Duesseldorf, DE
43.199.245.248	AS16509 Amazon.com, Inc.	`0.14ms` from Hong Kong, HK
119.53.128.40	AS4837 CHINA UNICOM China169 Backbone	`14.75ms` from Liaoyang, CN
85.37.26.72	AS3269 Telecom Italia S.p.A.	`6.96ms` from Milan, IT
184.31.138.232	AS16625 Akamai Technologies, Inc.	`0.34ms` from Montreal, CA
78.112.125.40	AS15557 Societe Francaise Du Radiotelephone - SFR SA	`18.34ms` from Paris, FR
188.53.175.104	AS25019 Saudi Telecom Company JSC	`1.71ms` from Riyadh, SA
175.225.181.184	AS4766 Korea Telecom	`1.82ms` from Seoul, KR
116.127.57.200	AS9318 SK Broadband Co Ltd	`1.66ms` from Seoul, KR
47.241.6.56	AS45102 Alibaba (US) Technology Co., Ltd.	`0.68ms` from Singapore, SG
112.22.19.72	AS56046 China Mobile communications corporation	`4.34ms` from Suzhou, CN
36.229.185.40	AS3462 Data Communication Business Group	`1.63ms` from Taipei, TW
99.254.251.136	AS812 Rogers Communications Canada Inc.	`8.21ms` from Toronto, CA
181.23.162.24	AS22927 Telefonica de Argentina	`3.91ms` from Buenos Aires, AR
3.149.110.248	AS16509 Amazon.com, Inc.	`0.16ms` from Columbus, US
216.126.151.72	AS7029 Windstream Communications LLC	`0.77ms` from Dallas, US
52.214.58.136	AS16509 Amazon.com, Inc.	`0.17ms` from Dublin, IE
217.245.205.248	AS3320 Deutsche Telekom AG	`4.41ms` from Duesseldorf, DE
175.150.6.184	AS4837 CHINA UNICOM China169 Backbone	`11.86ms` from Liaoyang, CN
70.52.46.152	AS577 Bell Canada	`1.47ms` from Montreal, CA

Traceroute

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

traceroute -a -n -q1 205.215.21.51

traceroute to 205.215.21.51 (205.215.21.51): 64 hops max, 52 byte packets

1 [AS15169] 64.233.174.23 0.764 ms

2 *

3 [AS4609] 202.175.0.37 3.714 ms

4 [AS4609] 202.175.54.154 4.034 ms

5 [AS4609] 182.93.63.46 5.386 ms

6 [AS4609] 205.215.21.51 5.281 ms

Measurement taken from

IPinfo ProbeNet in Hong Kong, HK

On September 11th 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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