Home Prefix Lookup203.185.0.0/20

203.185.0.0/20 - BGP Prefix

IPv4APNICallocated RPKI Valid

CIDR

203.185.0.0/20

IP Version

IPv4

Addresses

Mask

/20 (255.255.240.0)

Country

🇭🇰 Hong Kong

City

Kwai Chung

RIR

APNIC

Status

allocated

Allocated

1999-08-25

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.

Related Announcements

1 less-specific, 3 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
203.185.0.0/18	AS9269 HKBN-AS-AP - Hong Kong Broadband Network Ltd.	Valid	-	2026-10-12
203.185.0.0/24	AS9269 HKBN-AS-AP - Hong Kong Broadband Network Ltd.	Valid	-	2026-10-12
203.185.1.0/24	AS35280 F5 F5 Networks SARL	Valid	-	2026-10-12
203.185.10.0/24	AS9269 HKBN-AS-AP - Hong Kong Broadband Network Ltd.	Valid	-	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
203.185.0.0/18	AS9269	/24	apnic
203.185.0.0/18	AS9381	/24	apnic
203.185.0.0/18	AS10103	/24	apnic

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS9269	APNIC	MAINT-HK-HKBN	2021-01-29

More Specific Prefixes

100

Prefix	Country	Status
203.185.4.0/29	🇭🇰HK	assigned
203.185.4.8/29	🇭🇰HK	assigned
203.185.4.16/29	🇭🇰HK	assigned
203.185.4.24/29	🇭🇰HK	assigned
203.185.4.32/29	🇭🇰HK	assigned
203.185.4.36/30	🇭🇰HK	assigned
203.185.4.40/29	🇭🇰HK	assigned
203.185.4.48/29	🇭🇰HK	assigned
203.185.4.56/29	🇭🇰HK	assigned
203.185.4.64/30	🇭🇰HK	assigned
203.185.4.68/30	🇭🇰HK	assigned
203.185.4.72/29	🇭🇰HK	assigned
203.185.4.84/30	🇭🇰HK	assigned
203.185.4.88/30	🇭🇰HK	assigned
203.185.4.96/30	🇭🇰HK	assigned
203.185.4.100/30	🇭🇰HK	assigned
203.185.4.104/30	🇭🇰HK	assigned
203.185.4.108/30	🇭🇰HK	assigned
203.185.4.112/30	🇭🇰HK	assigned
203.185.4.116/30	🇭🇰HK	assigned
203.185.4.124/30	🇭🇰HK	assigned
203.185.4.132/30	🇭🇰HK	assigned
203.185.4.140/30	🇭🇰HK	assigned
203.185.4.144/30	🇭🇰HK	assigned
203.185.4.148/30	🇭🇰HK	assigned
203.185.4.152/30	🇭🇰HK	assigned
203.185.4.156/30	🇭🇰HK	assigned
203.185.4.160/27	🇭🇰HK	assigned
203.185.4.168/30	🇭🇰HK	assigned
203.185.4.172/30	🇭🇰HK	assigned
203.185.4.184/29	🇭🇰HK	assigned
203.185.4.192/28	🇭🇰HK	assigned
203.185.4.192/30	🇭🇰HK	assigned
203.185.4.204/30	🇭🇰HK	assigned
203.185.4.208/29	🇭🇰HK	assigned
203.185.4.208/30	🇭🇰HK	assigned
203.185.4.212/30	🇭🇰HK	assigned
203.185.4.216/30	🇭🇰HK	assigned
203.185.4.220/30	🇭🇰HK	assigned
203.185.4.224/27	🇭🇰HK	assigned
203.185.5.4/30	🇭🇰HK	assigned
203.185.5.8/30	🇭🇰HK	assigned
203.185.5.16/30	🇭🇰HK	assigned
203.185.5.20/30	🇭🇰HK	assigned
203.185.5.24/30	🇭🇰HK	assigned
203.185.5.28/30	🇭🇰HK	assigned
203.185.5.32/30	🇭🇰HK	assigned
203.185.5.36/30	🇭🇰HK	assigned
203.185.5.80/30	🇭🇰HK	assigned
203.185.5.84/30	🇭🇰HK	assigned
203.185.5.88/29	🇭🇰HK	assigned
203.185.5.96/30	🇭🇰HK	assigned
203.185.5.100/30	🇭🇰HK	assigned
203.185.5.104/30	🇭🇰HK	assigned
203.185.5.112/30	🇭🇰HK	assigned
203.185.5.116/30	🇭🇰HK	assigned
203.185.5.160/30	🇭🇰HK	assigned
203.185.5.164/30	🇭🇰HK	assigned
203.185.5.172/30	🇭🇰HK	assigned
203.185.5.180/30	🇭🇰HK	assigned
203.185.5.184/30	🇭🇰HK	assigned
203.185.5.196/30	🇭🇰HK	assigned
203.185.5.228/30	🇭🇰HK	assigned
203.185.5.236/30	🇭🇰HK	assigned
203.185.5.240/30	🇭🇰HK	assigned
203.185.5.244/30	🇭🇰HK	assigned
203.185.5.248/30	🇭🇰HK	assigned
203.185.5.252/30	🇭🇰HK	assigned
203.185.12.216/30	🇭🇰HK	assigned
203.185.13.0/30	🇭🇰HK	assigned
203.185.13.4/30	🇭🇰HK	assigned
203.185.13.12/30	🇭🇰HK	assigned
203.185.13.16/30	🇭🇰HK	assigned
203.185.13.20/30	🇭🇰HK	assigned
203.185.13.24/30	🇭🇰HK	assigned
203.185.13.28/30	🇭🇰HK	assigned
203.185.13.40/29	🇭🇰HK	assigned
203.185.13.52/30	🇭🇰HK	assigned
203.185.13.64/30	🇭🇰HK	assigned
203.185.13.96/29	🇭🇰HK	assigned
203.185.13.192/29	🇭🇰HK	assigned
203.185.13.200/29	🇭🇰HK	assigned
203.185.14.176/30	🇭🇰HK	assigned
203.185.14.180/30	🇭🇰HK	assigned
203.185.14.184/30	🇭🇰HK	assigned
203.185.14.188/30	🇭🇰HK	assigned
203.185.14.192/30	🇭🇰HK	assigned
203.185.14.200/30	🇭🇰HK	assigned
203.185.14.204/30	🇭🇰HK	assigned
203.185.14.208/30	🇭🇰HK	assigned
203.185.14.212/30	🇭🇰HK	assigned
203.185.14.216/30	🇭🇰HK	assigned
203.185.14.220/30	🇭🇰HK	assigned
203.185.14.224/30	🇭🇰HK	assigned
203.185.14.232/30	🇭🇰HK	assigned
203.185.14.236/30	🇭🇰HK	assigned
203.185.14.240/30	🇭🇰HK	assigned
203.185.14.244/30	🇭🇰HK	assigned
203.185.14.248/30	🇭🇰HK	assigned
203.185.14.252/30	🇭🇰HK	assigned

Related Prefixes

Covering prefix

203.185.0.0/18AS9269

Geolocation

Country🇭🇰Hong KongHK

RegionKwai Tsing District

CityKwai Chung

Coordinates22.3702, 114.1300 ↗

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/203.185.0.0/20

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

curl -s "https://api.ipctl.io/v1/prefix/203.185.0.0/20" | jq

External Links

RIPEstat