Home Prefix Lookup191.124.0.0/16

191.124.0.0/16 - FASTMOS ., LIMITED (AS138644)

IPv4APNICallocatedAS138644FASTMOS2-AS-AP - FASTMOS CO., LIMITEDNo ROA

CIDR

191.124.0.0/16

IP Version

IPv4

Addresses

65.5K

Mask

/16 (255.255.0.0)

Country

🇭🇰 Hong Kong

City

Hong Kong

RIR

APNIC

Status

allocated

Allocated

2013-10-09

Announced BGP Routes

0 of 0 routes

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
This prefix is not announced as a whole. Parts of it are announced as more-specific prefixes, see below.

More-Specific Announcements

123 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
191.124.0.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.1.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.2.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.3.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.4.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.5.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.6.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.7.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.8.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.9.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.10.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.11.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.12.0/22	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.16.0/21	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.24.0/21	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.32.0/21	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.40.0/21	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.48.0/22	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.52.0/22	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.56.0/22	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.60.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.61.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.62.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.63.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.64.0/21	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.72.0/21	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.80.0/21	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.88.0/21	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.96.0/21	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.104.0/21	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.112.0/22	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.116.0/22	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.120.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.121.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.122.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.123.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.124.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.125.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.126.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.127.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.128.0/21	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.136.0/22	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.140.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.141.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.142.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.143.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.144.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.145.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.146.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.147.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.148.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.149.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.150.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.151.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.152.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.153.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.154.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.155.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.156.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.157.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.158.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.159.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.160.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.161.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.162.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.163.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.164.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.165.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.166.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.167.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.168.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.169.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.170.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.171.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.172.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.173.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.174.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.175.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.176.0/21	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.184.0/22	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.188.0/22	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.192.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.193.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.194.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.195.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.196.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.197.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.198.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.199.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.200.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.201.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.202.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.203.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.204.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.205.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.206.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.207.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.208.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.209.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.210.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.211.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.212.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.213.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.214.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.215.0/24	AS400619 AROSS-AS - AROSSCLOUD INC.	Valid	-	2026-10-12
191.124.224.0/19	AS138644 FASTMOS2-AS-AP - FASTMOS CO., LIMITED	No ROA	-	2026-10-12
191.124.236.0/22	AS58931 LIHGL-AS-AP - 24.hk global BGP	Valid	-	2026-10-12
191.124.240.0/24	AS154376 CLOUDVALLEY-AS-AP - Cloudvalley Sdn. Bhd.	Valid	-	2026-10-12
191.124.241.0/24	AS154376 CLOUDVALLEY-AS-AP - Cloudvalley Sdn. Bhd.	Valid	-	2026-10-12
191.124.242.0/24	AS154376 CLOUDVALLEY-AS-AP - Cloudvalley Sdn. Bhd.	Valid	-	2026-10-12
191.124.243.0/24	AS154376 CLOUDVALLEY-AS-AP - Cloudvalley Sdn. Bhd.	Valid	-	2026-10-12
191.124.244.0/24	AS154376 CLOUDVALLEY-AS-AP - Cloudvalley Sdn. Bhd.	Valid	-	2026-10-12
191.124.245.0/24	AS154376 CLOUDVALLEY-AS-AP - Cloudvalley Sdn. Bhd.	Valid	-	2026-10-12
191.124.246.0/24	AS154376 CLOUDVALLEY-AS-AP - Cloudvalley Sdn. Bhd.	Valid	-	2026-10-12
191.124.247.0/24	AS154376 CLOUDVALLEY-AS-AP - Cloudvalley Sdn. Bhd.	Valid	-	2026-10-12
191.124.248.0/24	AS139923 ABCCLOUDSDNBHD-AS-AP - ABCCLOUD SDN.BHD.	Valid	-	2026-10-12
191.124.249.0/24	AS139923 ABCCLOUDSDNBHD-AS-AP - ABCCLOUD SDN.BHD.	Valid	-	2026-10-12
191.124.250.0/24	AS139923 ABCCLOUDSDNBHD-AS-AP - ABCCLOUD SDN.BHD.	Valid	-	2026-10-12
191.124.251.0/24	AS139923 ABCCLOUDSDNBHD-AS-AP - ABCCLOUD SDN.BHD.	Valid	-	2026-10-12
191.124.252.0/24	AS139923 ABCCLOUDSDNBHD-AS-AP - ABCCLOUD SDN.BHD.	Valid	-	2026-10-12
191.124.253.0/24	AS139923 ABCCLOUDSDNBHD-AS-AP - ABCCLOUD SDN.BHD.	Valid	-	2026-10-12
191.124.254.0/24	AS139923 ABCCLOUDSDNBHD-AS-AP - ABCCLOUD SDN.BHD.	Valid	-	2026-10-12
191.124.255.0/24	AS139923 ABCCLOUDSDNBHD-AS-AP - ABCCLOUD SDN.BHD.	Valid	-	2026-10-12

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS138644	Other IRR	MAINT-AS400619	2026-06-16
AS400619	Other IRR	MAINT-AS400619	2026-06-16

More Specific Prefixes

Prefix	AS	Country	Status
191.124.0.0/24	AS138644	🇭🇰HK	assigned
191.124.1.0/24	AS400619	🇭🇰HK	assigned
191.124.2.0/24	AS400619	🇭🇰HK	assigned
191.124.3.0/24	AS400619	🇭🇰HK	assigned
191.124.4.0/24	AS400619	🇭🇰HK	assigned
191.124.5.0/24	AS400619	🇭🇰HK	assigned
191.124.6.0/24	AS400619	🇭🇰HK	assigned
191.124.7.0/24	AS400619	🇭🇰HK	assigned
191.124.8.0/24	AS400619	🇭🇰HK	assigned
191.124.9.0/24	AS400619	🇭🇰HK	assigned
191.124.10.0/24	AS400619	🇭🇰HK	assigned
191.124.11.0/24	AS400619	🇭🇰HK	assigned
191.124.12.0/22	AS400619	🇭🇰HK	assigned
191.124.16.0/21	AS400619	🇭🇰HK	assigned
191.124.24.0/21	AS400619	🇭🇰HK	assigned
191.124.32.0/21	AS400619	🇭🇰HK	assigned
191.124.40.0/21	AS400619	🇭🇰HK	assigned
191.124.48.0/22	AS400619	🇭🇰HK	assigned
191.124.52.0/22	AS400619	🇭🇰HK	assigned
191.124.56.0/22	AS400619	🇭🇰HK	assigned
191.124.60.0/24	AS400619	🇭🇰HK	assigned
191.124.61.0/24	AS400619	🇭🇰HK	assigned
191.124.62.0/24	AS400619	🇭🇰HK	assigned
191.124.63.0/24	AS400619	🇭🇰HK	assigned
191.124.64.0/21	AS400619	🇭🇰HK	assigned
191.124.72.0/21	AS400619	🇭🇰HK	assigned
191.124.80.0/21	AS400619	🇭🇰HK	assigned
191.124.88.0/21	AS400619	🇭🇰HK	assigned
191.124.96.0/21	AS400619	🇭🇰HK	assigned
191.124.104.0/21	AS400619	🇭🇰HK	assigned
191.124.112.0/22	AS400619	🇭🇰HK	assigned
191.124.116.0/22	AS400619	🇭🇰HK	assigned
191.124.120.0/24	AS400619	🇭🇰HK	assigned
191.124.121.0/24	AS400619	🇭🇰HK	assigned
191.124.122.0/24	AS400619	🇭🇰HK	assigned
191.124.123.0/24	AS400619	🇭🇰HK	assigned
191.124.124.0/24	AS400619	🇭🇰HK	assigned
191.124.125.0/24	AS400619	🇭🇰HK	assigned
191.124.126.0/24	AS400619	🇭🇰HK	assigned
191.124.127.0/24	AS400619	🇭🇰HK	assigned
191.124.128.0/21	AS400619	🇭🇰HK	assigned
191.124.136.0/22	AS400619	🇭🇰HK	assigned
191.124.140.0/22	AS138644	🇭🇰HK	assigned
191.124.144.0/20	AS138644	🇭🇰HK	assigned
191.124.160.0/19	AS138644	🇭🇰HK	assigned
191.124.160.0/20		🇭🇰HK	assigned
191.124.176.0/20		🇭🇰HK	assigned
191.124.192.0/19		🇭🇰HK	assigned
191.124.224.0/21		🇭🇰HK	assigned
191.124.232.0/22		🇭🇰HK	assigned
191.124.236.0/22	AS58931	🇭🇰HK	assigned
191.124.240.0/24	AS154376	🇭🇰HK	assigned
191.124.241.0/24	AS154376	🇭🇰HK	assigned
191.124.242.0/24	AS154376	🇭🇰HK	assigned
191.124.243.0/24	AS154376	🇭🇰HK	assigned
191.124.244.0/24	AS154376	🇭🇰HK	assigned
191.124.245.0/24	AS154376	🇭🇰HK	assigned
191.124.246.0/24	AS154376	🇭🇰HK	assigned
191.124.247.0/24	AS154376	🇭🇰HK	assigned
191.124.248.0/24	AS139923	🇭🇰HK	assigned
191.124.249.0/24	AS139923	🇭🇰HK	assigned
191.124.250.0/24	AS139923	🇭🇰HK	assigned
191.124.251.0/24	AS139923	🇭🇰HK	assigned
191.124.252.0/24	AS139923	🇭🇰HK	assigned
191.124.253.0/24	AS139923	🇭🇰HK	assigned
191.124.254.0/24	AS139923	🇭🇰HK	assigned
191.124.255.0/24	AS139923	🇭🇰HK	assigned

Transfer History

Registry transfers of 191.124.0.0/16, blocks inside it, or blocks containing it.

191.124.0.0/16inter-RIRTransfer · 2026-09-03
CL-TMCS-LACNIC
LACNIC
→
FASTMOS CO., LIMITED
🇭🇰 HK APNIC

Date	Resource	From	To	Type
2026-09-03	191.124.0.0/16inter-RIR	CL-TMCS-LACNIC LACNIC	FASTMOS CO., LIMITED 🇭🇰 HK APNIC	Transfer

Origin ASN

AS138644

FASTMOS2-AS-AP - FASTMOS CO., LIMITED

Related Prefixes

More prefixes of AS138644

All prefixes of AS138644 →

Geolocation

Country🇭🇰Hong KongHK

RegionKowloon

CityHong Kong

Coordinates22.3193, 114.1690 ↗

Learn more

RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
RPKI validatorCheck ROA coverage for any prefix or ASN
What is BGP?How prefixes are announced and routed
More-specific prefixesGlossary: covering and more-specific routes
IPv4 transfers in the APNIC regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/191.124.0.0/16

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/191.124.0.0/16" | jq

External Links

RIPEstat