HomePrefix Lookup66.203.144.0/20

66.203.144.0/20

🇭🇰
CIDR
66.203.144.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇭🇰 Hong Kong
City
Chai Wan Kok
RIR
APNIC
Status
allocated
Allocated
4/6/2006

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
66.203.144.0/20AS59371DNC-AS - Dimension Network & Communication LimitedNo ROA
RADB
6/1/2026

Covering Prefix

16 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
66.203.144.0/24AS59371DNC-AS - Dimension Network & Communication LimitedNo ROA—6/1/2026
66.203.145.0/24AS59371DNC-AS - Dimension Network & Communication LimitedNo ROA—6/1/2026
66.203.146.0/24AS59371DNC-AS - Dimension Network & Communication LimitedNo ROA—6/1/2026
66.203.147.0/24AS59371DNC-AS - Dimension Network & Communication LimitedNo ROA—6/1/2026
66.203.148.0/24AS59371DNC-AS - Dimension Network & Communication LimitedNo ROA—6/1/2026
66.203.149.0/24AS59371DNC-AS - Dimension Network & Communication LimitedNo ROA—6/1/2026
66.203.150.0/24AS59371DNC-AS - Dimension Network & Communication LimitedNo ROA—6/1/2026
66.203.151.0/24AS59371DNC-AS - Dimension Network & Communication LimitedNo ROA—6/1/2026
66.203.152.0/24AS59371DNC-AS - Dimension Network & Communication LimitedNo ROA—6/1/2026
66.203.153.0/24AS59371DNC-AS - Dimension Network & Communication LimitedNo ROA—6/1/2026
66.203.154.0/24AS59371DNC-AS - Dimension Network & Communication LimitedNo ROA—6/1/2026
66.203.155.0/24AS59371DNC-AS - Dimension Network & Communication LimitedNo ROA—6/1/2026
66.203.156.0/24AS59371DNC-AS - Dimension Network & Communication LimitedNo ROA—6/1/2026
66.203.157.0/24AS59371DNC-AS - Dimension Network & Communication LimitedNo ROA—6/1/2026
66.203.158.0/24AS59371DNC-AS - Dimension Network & Communication LimitedNo ROA—6/1/2026
66.203.159.0/24AS59371DNC-AS - Dimension Network & Communication LimitedNo ROA—6/1/2026

IRR Route Objects

2
OriginRegistryMaintainerModified
AS24099RADBMAINT-AS2409911/13/2023
AS59371RADBMAINT-AS5937111/13/2023

More Specific Prefixes

11
PrefixASCountryStatus
66.203.144.0/21🇭🇰HKassigned
66.203.152.0/22🇭🇰HKassigned
66.203.156.0/23🇭🇰HKassigned
66.203.158.0/24AS59371🇭🇰HKassigned
66.203.159.0/25🇭🇰HKassigned
66.203.159.128/26🇭🇰HKassigned
66.203.159.192/27🇭🇰HKassigned
66.203.159.224/28🇭🇰HKassigned
66.203.159.240/29🇭🇰HKassigned
66.203.159.248/31🇭🇰HKassigned
66.203.159.250/32🇭🇰HKassigned
Geolocation
Country🇭🇰Hong KongHK
RegionTsuen Wan
CityChai Wan Kok
GEThttps://api.ipctl.io/v1/prefix/66.203.144.0/20

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

curl -s "https://api.ipctl.io/v1/prefix/66.203.144.0/20" | jq