Networks in Macao

10 autonomous systems are registered in Macao (MO). Together they announce 370,176 IPv4 addresses, 0.01% of the announced total, which ranks Macao #120 of 240 countries.

Autonomous systems109 announce IPv4, 1 IPv6 only

IPv4 addresses370,1760.01% of announced IPv4 · #120 worldwide

Top 5 networks hold98.3%of Macao's IPv4 space

IPv66 x /32 (402,467 x /48)9 of 10 networks (90%) announce IPv6

Small networks0announce a single /24 (256 addresses) or less

Look up AS4609, the largest network in MO Look up any IP or ASN

All 9 networks in Macao by IPv4 space

#ASNNetworkIPv4 addressesOf MO

1 AS4609 CTM-MO - Companhia de Telecomunicacoes de Macau SARL 265,472 71.72%

2 AS7582 UMAC-AS-AP - University of Macau 65,536 17.70%

3 AS133613 MTEL-AS - MTel telecommunication company ltd. 19,456 5.26%

4 AS47674 NETSOLUTIONS Net Solutions - Consultoria Em Tecnologias De Informacao, Sociedade Unipessoal LDA 8,960 2.42%

5 AS136167 CHINATELECOM-AS-AP - CHINA TELECOM (MACAU) COMPANY LIMITED 4,608 1.24%

6 AS136793 MCN-AS-AP - MACAU COMMUNICATION NETWORKS COMPANY LIMITED 2,048 0.55%

7 AS134550 CITM-NGIA-MRC-MO - Centro de Informacoes Tecnologia de Macau 2,048 0.55%

8 AS138164 MUST-AS-AP - Macau University of Science and Technology 1,536 0.41%

9 AS137538 CSTCL-AS-AP - Caldawin Software Technology Company Limited 512 0.14%

Countries of similar size

#117 Namibia #118 Senegal #119 Réunion #121 Ethiopia #122 Uzbekistan #123 Burkina Faso All countries

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources