Home ASN LookupAS4609

AS4609 CTM-MO Companhia de Telecomunicacoes de Macau SARL

🇲🇴

Org handle: ORG-CDTD1-AP

Companhia de Telecomunicacoes de Macau SARL

APNICallocated

Announced Prefixes (BGP)

124total

84 IPv440 IPv6

IPv4 Addresses

Allocated (RIR)314,624

Announced (BGP)748,544

IPv6 Addresses

Allocated (RIR)7.9×10²⁸

Announced (BGP)8.6×10²⁸

Prefix Limit (IPv4)

500

Prefix Limit (IPv6)

200

Country

🇲🇴 MO

RIR

APNIC

Status

allocated

Allocated

1995-06-15

Listed on the threat map (2026-10-11)

#1 in Macao SAR China (3 flagged networks located there)

Large hosting providers appear because attackers rent their servers, not necessarily because of the operator.

Announced Prefixes

(BGP)124

Prefix	RPKI	IRR	Last Seen
27.109.128.0/17	Valid	APNICOther IRR	-
27.109.128.0/18	Valid	APNICOther IRR	-
27.109.128.0/19	Valid	APNICOther IRR	-
27.109.160.0/19	Valid	APNICOther IRR	-
27.109.192.0/18	Valid	APNICOther IRR	-
27.109.192.0/19	Valid	APNICOther IRR	-
27.109.224.0/19	Valid	APNICOther IRR	-
45.64.20.0/22	Valid	APNICOther IRR	-
45.64.20.0/24	Valid	APNICOther IRR	-
45.64.21.0/24	Valid	APNICOther IRR	-

1-10 of 124

1 / 13

Allocated Prefixes

(RIR)21

Prefix	Country	RIR	Status
27.109.128.0/17	🇲🇴 MO	APNIC	allocated
45.64.20.0/22	🇲🇴 MO	APNIC	allocated
60.246.0.0/16	🇲🇴 MO	APNIC	allocated
103.233.188.0/22	🇲🇴 MO	APNIC	allocated
113.52.64.0/18	🇲🇴 MO	APNIC	allocated
122.100.128.0/17	🇲🇴 MO	APNIC	assigned
122.100.128.0/18	🇲🇴 MO	APNIC	allocated
122.100.192.0/19	🇲🇴 MO	APNIC	allocated
122.100.224.0/19	🇲🇴 MO	APNIC	allocated
124.198.133.0/24	🇭🇰 HK	RIPE	assigned

1-10 of 21

1 / 3

All 124 announced prefixes of AS4609 →

BGP Neighbours

(seen in AS paths)

Upstreams (3)

Networks AS4609 hands its own prefixes to: transit providers, or peers at an exchange.

AS7617CTM HK CTM HK Limited104
AS24429TAOBAO Zhejiang Taobao Network17
AS58453CMI INT HK China Mobile International Limited3

Downstreams (6)

Networks whose own prefixes AS4609 passes on: usually its customers.

AS138164MUST AP Macau University Of Science And Technology4
AS139341ACE AP ACE4
AS7582UMAC AP University Of Macau3
AS4058CITICTEL CPC AS4058 CITIC Telecom International CPC Limited2
AS13335Cloudflare2
AS136167CHINATELECOM AP CHINA TELECOM MACAU COMPANY LIMITED2

ASPA

No ASPA

External Links

APNIC Whois RIPEstat

Learn more

What is an ASN?Autonomous systems, ASN ranges and how they are assigned
RPKI and route origin validationWhat the RPKI badges on the prefix list mean
ASPA explainedWhy AS4609 should publish an ASPA object
IPv4 transfers in the APNIC regionMonthly volume and the latest registry transfers
ASN data in AI agents and SIEMMCP server and API integrations

API

Open

GEThttps://api.ipctl.io/v1/asn/4609

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/4609" | jq