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IP ranges

CTM (Macau) IP ranges

Every IPv4 and IPv6 range that CTM (Macau) (AS4609) currently announces on the internet, with CIDR and start/end IP, free to download as TXT or CSV. Data snapshot: 2026-11-02.

CTM (Macau) announces 82 IPv4 prefixes covering 265,472 addresses, and 6 IPv6 prefixes, through AS4609. The lists below are a snapshot of 2026-11-02 taken from the public BGP routing table, sorted by address and kept as announced.

ASNAS4609
IPv4 prefixes82
IPv4 addresses265,472Overlaps are counted once
IPv6 prefixes6
Data snapshot

Download the complete list

The complete list has 88 ranges (IPv4 and IPv6). TXT has one CIDR per line; CSV has the columns cidr, version, start_ip, end_ip and addresses.

Download TXTDownload CSVIPv4 only (TXT)IPv6 only (TXT)

CTM (Macau) IPv4 ranges

IPv4 ranges announced by CTM (Macau): CIDR, start and end IP, address count
CIDRStart IP – end IPAddresses
27.109.128.0/1727.109.128.0–27.109.255.25532,768
27.109.128.0/1827.109.128.0–27.109.191.25516,384
27.109.128.0/1927.109.128.0–27.109.159.2558,192
27.109.160.0/1927.109.160.0–27.109.191.2558,192
27.109.192.0/1827.109.192.0–27.109.255.25516,384
27.109.192.0/1927.109.192.0–27.109.223.2558,192
27.109.224.0/1927.109.224.0–27.109.255.2558,192
45.64.20.0/2245.64.20.0–45.64.23.2551,024
45.64.20.0/2445.64.20.0–45.64.20.255256
45.64.21.0/2445.64.21.0–45.64.21.255256
60.246.0.0/1660.246.0.0–60.246.255.25565,536
60.246.0.0/1760.246.0.0–60.246.127.25532,768
60.246.0.0/1860.246.0.0–60.246.63.25516,384
60.246.0.0/1960.246.0.0–60.246.31.2558,192
60.246.32.0/1960.246.32.0–60.246.63.2558,192
60.246.64.0/1860.246.64.0–60.246.127.25516,384
60.246.64.0/1960.246.64.0–60.246.95.2558,192
60.246.96.0/1960.246.96.0–60.246.127.2558,192
60.246.128.0/1760.246.128.0–60.246.255.25532,768
60.246.128.0/1860.246.128.0–60.246.191.25516,384
60.246.128.0/1960.246.128.0–60.246.159.2558,192
60.246.160.0/1960.246.160.0–60.246.191.2558,192
60.246.167.0/2460.246.167.0–60.246.167.255256
60.246.192.0/1860.246.192.0–60.246.255.25516,384
60.246.192.0/1960.246.192.0–60.246.223.2558,192
60.246.224.0/1960.246.224.0–60.246.255.2558,192
103.233.188.0/22103.233.188.0–103.233.191.2551,024
113.52.64.0/18113.52.64.0–113.52.127.25516,384
113.52.64.0/19113.52.64.0–113.52.95.2558,192
113.52.96.0/19113.52.96.0–113.52.127.2558,192
113.52.120.0/23113.52.120.0–113.52.121.255512
113.52.122.0/23113.52.122.0–113.52.123.255512
113.52.124.0/23113.52.124.0–113.52.125.255512
122.100.128.0/17122.100.128.0–122.100.255.25532,768
122.100.128.0/18122.100.128.0–122.100.191.25516,384
122.100.128.0/19122.100.128.0–122.100.159.2558,192
122.100.160.0/19122.100.160.0–122.100.191.2558,192
122.100.192.0/18122.100.192.0–122.100.255.25516,384
122.100.192.0/19122.100.192.0–122.100.223.2558,192
122.100.224.0/19122.100.224.0–122.100.255.2558,192
122.100.250.0/24122.100.250.0–122.100.250.255256
122.100.251.0/24122.100.251.0–122.100.251.255256
122.100.252.0/24122.100.252.0–122.100.252.255256
122.100.253.0/24122.100.253.0–122.100.253.255256
122.100.254.0/24122.100.254.0–122.100.254.255256
122.100.255.0/24122.100.255.0–122.100.255.255256
124.198.133.0/24124.198.133.0–124.198.133.255256
125.31.0.0/18125.31.0.0–125.31.63.25516,384
125.31.0.0/19125.31.0.0–125.31.31.2558,192
125.31.0.0/24125.31.0.0–125.31.0.255256
125.31.2.0/24125.31.2.0–125.31.2.255256
125.31.3.0/24125.31.3.0–125.31.3.255256
125.31.4.0/24125.31.4.0–125.31.4.255256
125.31.22.0/24125.31.22.0–125.31.22.255256
125.31.24.0/23125.31.24.0–125.31.25.255512
125.31.26.0/24125.31.26.0–125.31.26.255256
125.31.32.0/19125.31.32.0–125.31.63.2558,192
125.31.55.0/24125.31.55.0–125.31.55.255256
180.94.128.0/18180.94.128.0–180.94.191.25516,384
180.94.128.0/19180.94.128.0–180.94.159.2558,192
180.94.160.0/19180.94.160.0–180.94.191.2558,192
182.93.0.0/18182.93.0.0–182.93.63.25516,384
182.93.0.0/19182.93.0.0–182.93.31.2558,192
182.93.32.0/19182.93.32.0–182.93.63.2558,192
202.86.128.0/18202.86.128.0–202.86.191.25516,384
202.86.128.0/19202.86.128.0–202.86.159.2558,192
202.86.160.0/19202.86.160.0–202.86.191.2558,192
202.86.162.0/24202.86.162.0–202.86.162.255256
202.174.0.0/22202.174.0.0–202.174.3.2551,024
202.174.2.0/24202.174.2.0–202.174.2.255256
202.175.0.0/17202.175.0.0–202.175.127.25532,768
202.175.0.0/18202.175.0.0–202.175.63.25516,384
202.175.0.0/19202.175.0.0–202.175.31.2558,192
202.175.5.0/24202.175.5.0–202.175.5.255256
202.175.32.0/19202.175.32.0–202.175.63.2558,192
202.175.64.0/18202.175.64.0–202.175.127.25516,384
202.175.64.0/19202.175.64.0–202.175.95.2558,192
202.175.67.0/24202.175.67.0–202.175.67.255256
202.175.96.0/19202.175.96.0–202.175.127.2558,192
202.175.160.0/19202.175.160.0–202.175.191.2558,192
202.175.160.0/24202.175.160.0–202.175.160.255256
205.215.0.0/19205.215.0.0–205.215.31.2558,192

All 82 ranges are listed.

CTM (Macau) IPv6 ranges

IPv6 ranges announced by CTM (Macau): CIDR, start and end IP, address count
CIDRStart IP – end IPAddresses
2001:f90::/322001:f90::–2001:f90:ffff:ffff:ffff:ffff:ffff:ffff296
2001:f90:3::/482001:f90:3::–2001:f90:3:ffff:ffff:ffff:ffff:ffff280
2001:f90:36::/482001:f90:36::–2001:f90:36:ffff:ffff:ffff:ffff:ffff280
2001:f90:800::/372001:f90:800::–2001:f90:fff:ffff:ffff:ffff:ffff:ffff291
2001:f90:4000::/362001:f90:4000::–2001:f90:4fff:ffff:ffff:ffff:ffff:ffff292
2602:f6e9:3::/482602:f6e9:3::–2602:f6e9:3:ffff:ffff:ffff:ffff:ffff280

All 6 ranges are listed.

About the CTM (Macau) IP range data

  • ASNs and holders

    CTM (Macau) announces its prefixes from AS4609. Holders in the registry: AS4609 (CTM-MO - Companhia de Telecomunicacoes de Macau SARL).

  • What the list contains

    The ranges are the prefixes these ASNs announce in the public BGP routing table (obtained through RIPEstat), with adjacent blocks left unmerged. This is not an ownership record: it can include prefixes of customers and leased address space, and it can miss routes that very few peers see. Snapshot of 2026-11-02.

  • Typical uses

    Allow or block traffic from CTM (Macau) in a firewall, WAF or nginx, label source IPs in your logs by network, or test with a CIDR match whether an IP belongs to CTM (Macau). Remember that cloud and carrier address space also runs the services of customers, so blocking a whole network can hit unrelated sites.

How to use the CTM (Macau) IP list

  1. Start with the tables above: one for IPv4 and one for IPv6, each row with CIDR, start IP – end IP and address count.
  2. Choose Download TXT or Download CSV for the complete list. The file has all 88 ranges, not only the first rows shown on the page.
  3. Import the TXT as one address set into your firewall, router or ipset, or paste the CIDRs into a cloud security group rule.
  4. Check the snapshot date (2026-11-02) before using it in production. Cloud ranges change often, so compare with the official range file published by the provider.

CTM (Macau) IP ranges: frequently asked questions

How many IP ranges does CTM (Macau) have?

As of 2026-11-02, CTM (Macau) announces 82 IPv4 prefixes covering 265,472 addresses and 6 IPv6 prefixes in the public BGP routing table, through AS4609.

What is the ASN of CTM (Macau)?

CTM (Macau) uses AS4609. Holders in the registry: AS4609 (CTM-MO - Companhia de Telecomunicacoes de Macau SARL). Large organisations often run several ASNs, and this page merges the ones listed here.

How do I use the CTM (Macau) IP list for a firewall allowlist or blocklist?

Download the TXT file (one CIDR per line) and import it into ipset, nftables, an nginx allow or deny include, a router address list or a cloud security group. Import the 88 ranges as one address set rather than as separate rules. The address space of CTM (Macau) also hosts the services of its customers, so blocking all of it can cut off unrelated sites.

How often is the CTM (Macau) IP list updated?

The list is a snapshot of 2026-11-02, regenerated about once a week from public BGP data (RIPEstat). Announcements change every day, so download it again before using it in production, and for cloud providers also compare it with the official range file they publish.

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