MO

Macao SAR China holds 339,712 IPv4 addresses from APNIC, ARIN and RIPE NCC.

Short answer

Regional registries have allocated 339,712 IPv4 addresses in 39 blocks, 11 IPv6 blocks and 15 network numbers to organisations in Macao SAR China, the first on 11 Jun 1992. By DB-IP’s count the largest network here is Companhia de Telecomunicacoes de Macau (AS4609).

RegistryAPNIC, ARIN, RIPE NCC
IPv4 allocated (RIR)339,712
IPv4 blocks39
IPv6 blocks11 (9 /32s of space)
Network numbers (ASNs)15
First / latest allocation11 Jun 1992 / 2 Feb 2026
IPv4 placed here by DB-IP383,600
DB-IP ranges (IPv4 / IPv6)76 / 388

Registered here vs used here

The RIR count is what was allocated to organisations registered in Macao SAR China; DB-IP’s count is where it estimates addresses are used. DB-IP places 43,888 more IPv4 addresses in Macao SAR China than were allocated here, which happens when networks registered elsewhere (cloud providers, multinationals) operate in the country.

Largest networks by IPv4 space in Macao SAR China

NetworkASNIPv4 in MO
Companhia de Telecomunicacoes de MacauAS4609265,216
University of MacauAS758265,536
MTel telecommunication company ltd.AS13361319,456
Anpple Tech EnterpriseAS1338475,888
CHINA TELECOM(MACAU) COMPANY LIMITEDAS1361674,352
Apple Inc.AS7144,096
Centro de Informacoes Tecnologia de MacauAS1345502,048
AKILE LTDAS611122,048
MACAU COMMUNICATION NETWORKS COMPANY LIMITEDAS1367932,048
HostRoyale Technologies Pvt LtdAS2030201,024
Net Solutions - Consultoria Em Tecnologias De Informacao, Sociedade Unipessoal AS476741,024
ACEVILLE PTE.LTD.AS139341512
M247 Europe SRLAS9009512
Caldawin Software Technology Company LimitedAS137538512
Macau University of Science and TechnologyAS138164512

IP Geolocation by DB-IP (ASN Lite × Country Lite, CC BY 4.0).

Allocations per year

20081
20093
20103
20111
20148
20155
20175
20187
20193
20223
20233
20261

Delegation records per year (IPv4 blocks + IPv6 blocks + ASN records) still current in the RIR files. Last 12 years shown.

Download the ranges

Every IPv4 and IPv6 range DB-IP Country Lite places in Macao SAR China, as CSV. The file carries DB-IP’s attribution, which you must keep if you republish it.

Macao SAR China ranges (CSV)

Sources

  1. NRO RIR delegated-extended statistics · checked 5 Nov 2026
  2. DB-IP IP to Country Lite (CC BY 4.0) · checked 3 Nov 2026