Home Prefix Lookup203.166.220.0/22

203.166.220.0/22 - NTDKL HK 43F, AIA Tower, 183 Electric Road, North Point, Hong Kong (AS63981)

IPv4APNICallocatedAS63981NTDKL-HK 43F, AIA Tower, 183 Electric Road, North Point, Hong Kong RPKI Valid

CIDR

203.166.220.0/22

IP Version

IPv4

Addresses

Mask

/22 (255.255.252.0)

Country

🇭🇰 Hong Kong

City

Causeway Bay

RIR

APNIC

Status

allocated

Allocated

2009-03-18

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
203.166.220.0/22	AS63981 NTDKL-HK 43F, AIA Tower, 183 Electric Road, North Point, Hong Kong	Valid	APNICOther IRR	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
203.166.220.0/22	AS63981	/24	apnic

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS63981	APNIC	MAINT-NTDKL-HK	2024-03-08
AS63981	Other IRR	MAINT-AS63981	2023-11-13

More Specific Prefixes

Prefix	Country	Status
203.166.220.0/24	🇭🇰HK	assigned
203.166.221.0/24	🇭🇰HK	assigned
203.166.222.0/24	🇭🇰HK	assigned
203.166.223.0/24	🇭🇰HK	assigned

Transfer History

Registry transfers of 203.166.220.0/22, blocks inside it, or blocks containing it.

203.166.220.0/22Transfer · 2016-05-30
Nova Network Limited
🇭🇰 HK APNIC
→
Nova Technology Development (Hong Kong) Limited
🇭🇰 HK APNIC

Date	Resource	From	To	Type
2016-05-30	203.166.220.0/22	Nova Network Limited 🇭🇰 HK APNIC	Nova Technology Development (Hong Kong) Limited 🇭🇰 HK APNIC	Transfer

Origin ASN

AS63981

NTDKL-HK 43F, AIA Tower, 183 Electric Road, North Point, Hong Kong

Related Prefixes

More prefixes of AS63981

All prefixes of AS63981 →

Geolocation

Country🇭🇰Hong KongHK

RegionEastern District

CityCauseway Bay

Coordinates22.2789, 114.1820 ↗

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/203.166.220.0/22

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

curl -s "https://api.ipctl.io/v1/prefix/203.166.220.0/22" | jq

External Links

RIPEstat