AS138644 FASTMOS2-AS-AP FASTMOS CO., LIMITED

🇭🇰

Org handle: ORG-FCL17-AP

FASTMOS CO., LIMITED

APNICallocated

Announced Prefixes (BGP)

3total

3 IPv40 IPv6

IPv4 Addresses

Allocated (RIR)79,616

Announced (BGP)8,704

IPv6 Addresses

Allocated (RIR)7.9×10²⁸

Announced (BGP)0

Prefix Limit (IPv4)

100

Prefix Limit (IPv6)

Country

RIR

Status

allocated

Allocated

2026-04-24

Announced Prefixes

(BGP)5

Prefix	RPKI	IRR	Last Seen
162.4.40.0/24MOAS	Invalid	APNIC	2026-10-10
162.4.41.0/24MOAS	Invalid	APNIC	2026-10-10
191.124.200.0/21	Invalid	-	2026-10-10
191.124.208.0/20	No ROA	-	2026-10-10
191.124.224.0/19	Valid	-	2026-10-10

(RIR)7

Prefix	Country	RIR	Status
162.4.40.0/23	🇭🇰 HK	APNIC	assigned
191.124.0.0/16	🇭🇰 HK	APNIC	allocated
191.124.0.0/24	🇭🇰 HK	APNIC	assigned
191.124.140.0/22	🇭🇰 HK	APNIC	assigned
191.124.144.0/20	🇭🇰 HK	APNIC	assigned
191.124.160.0/19	🇭🇰 HK	APNIC	assigned
2402:5aa0::/32	🇭🇰 HK	APNIC	allocated

(seen in AS paths)

Networks AS138644 hands its own prefixes to: transit providers, or peers at an exchange.

ASPA

No ASPA

External Links

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 AS138644 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

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

curl -s "https://api.ipctl.io/v1/asn/138644" | jq