123.1.128.0/19

🇭🇰

CIDR

123.1.128.0/19

IP Version

IPv4

Addresses

8.1K

Mask

/19 (255.255.224.0)

Country

🇭🇰 Hong Kong

City

Kwai Chung

RIR

APNIC

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
123.1.128.0/19	AS10103HKBN-AS-AP - HK Broadband Network Ltd.	Valid	APNIC	6/13/2026

17 less-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
123.1.128.0/17	AS9269HKBN-AS-AP - Hong Kong Broadband Network Ltd.	Valid	—	6/13/2026
123.1.132.0/22	AS10103HKBN-AS-AP - HK Broadband Network Ltd.	Valid	—	6/13/2026
123.1.144.0/22	AS10103HKBN-AS-AP - HK Broadband Network Ltd.	Valid	—	6/13/2026
123.1.142.0/23	AS10103HKBN-AS-AP - HK Broadband Network Ltd.	Valid	—	6/13/2026
123.1.140.0/23	AS10103HKBN-AS-AP - HK Broadband Network Ltd.	Valid	—	6/13/2026
123.1.136.0/24	AS10103HKBN-AS-AP - HK Broadband Network Ltd.	Valid	—	6/13/2026
123.1.154.0/24	AS10103HKBN-AS-AP - HK Broadband Network Ltd.	Valid	—	6/13/2026
123.1.137.0/24	AS10103HKBN-AS-AP - HK Broadband Network Ltd.	Valid	—	6/13/2026
123.1.151.0/24	AS10103HKBN-AS-AP - HK Broadband Network Ltd.	Valid	—	6/13/2026
123.1.159.0/24	AS17444HKBNESL-AS-AP - HKBN Enterprise Solutions Limited	Valid	—	6/13/2026
123.1.148.0/24	AS17444HKBNESL-AS-AP - HKBN Enterprise Solutions Limited	Valid	—	6/13/2026
123.1.149.0/24	AS17444HKBNESL-AS-AP - HKBN Enterprise Solutions Limited	Valid	—	6/13/2026
123.1.150.0/24	AS17444HKBNESL-AS-AP - HKBN Enterprise Solutions Limited	Valid	—	6/13/2026
123.1.152.0/24	AS17444HKBNESL-AS-AP - HKBN Enterprise Solutions Limited	Valid	—	6/13/2026
123.1.155.0/24	AS17444HKBNESL-AS-AP - HKBN Enterprise Solutions Limited	Valid	—	6/13/2026
123.1.156.0/24	AS17444HKBNESL-AS-AP - HKBN Enterprise Solutions Limited	Valid	—	6/13/2026
123.1.158.0/24	AS17444HKBNESL-AS-AP - HKBN Enterprise Solutions Limited	Valid	—	6/13/2026

Prefix	Origin	Max Length	Trust Anchor
123.1.128.0/17	AS9269	/24	apnic
123.1.128.0/17	AS9381	/24	apnic
123.1.128.0/17	AS10103	/24	apnic
123.1.128.0/17	AS17444	/24	apnic

Origin	Registry	Maintainer	Modified
AS9269	APNIC	MAINT-HK-HKBNESL	9/8/2021
AS9381	APNIC	MAINT-HK-HKBNESL	9/8/2021
AS10103	APNIC	MAINT-HK-HKBNESL	9/8/2021
AS17444	APNIC	MAINT-HK-HKBNESL	9/8/2021
AS17444	RADB	MAINT-AS4637	11/13/2023

Prefix	AS	Country	Status
123.1.136.0/24	AS10103	🇭🇰HK	assigned
123.1.128.0/24		🇭🇰HK	assigned
123.1.157.0/24		🇭🇰HK	assigned
123.1.135.0/24		🇭🇰HK	assigned
123.1.144.0/24		🇭🇰HK	assigned
123.1.129.0/24		🇭🇰HK	assigned
123.1.130.0/24		🇭🇰HK	assigned
123.1.131.0/24		🇭🇰HK	assigned
123.1.132.0/24		🇭🇰HK	assigned
123.1.134.0/24		🇭🇰HK	assigned
123.1.138.0/24		🇭🇰HK	assigned
123.1.139.0/24		🇭🇰HK	assigned
123.1.140.0/24		🇭🇰HK	assigned
123.1.143.0/24		🇭🇰HK	assigned
123.1.146.0/24		🇭🇰HK	assigned
123.1.149.0/24	AS17444	🇭🇰HK	assigned
123.1.151.0/24	AS10103	🇭🇰HK	assigned
123.1.152.0/24	AS17444	🇭🇰HK	assigned
123.1.154.0/24	AS10103	🇭🇰HK	assigned
123.1.155.0/24	AS17444	🇭🇰HK	assigned
123.1.158.0/24	AS17444	🇭🇰HK	assigned
123.1.159.0/24	AS17444	🇭🇰HK	assigned
123.1.133.0/24		🇭🇰HK	assigned
123.1.137.0/24	AS10103	🇭🇰HK	assigned
123.1.141.0/24		🇭🇰HK	assigned
123.1.142.0/24		🇭🇰HK	assigned
123.1.145.0/24		🇭🇰HK	assigned
123.1.147.0/24		🇭🇰HK	assigned
123.1.148.0/24	AS17444	🇭🇰HK	assigned
123.1.150.0/24	AS17444	🇭🇰HK	assigned
123.1.153.0/24		🇭🇰HK	assigned
123.1.156.0/24	AS17444	🇭🇰HK	assigned

Origin ASN

Geolocation

Country🇭🇰Hong KongHK

RegionKwai Tsing District

CityKwai Chung

API

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

curl -s "https://api.ipctl.io/v1/prefix/123.1.128.0/19" | jq

External Links