HomePrefix Lookup103.133.72.0/23

103.133.72.0/23

🇭🇰
IPv4APNICallocatedAS45753NETSEC-HK - Netsec Limited RPKI Valid
CIDR
103.133.72.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇭🇰 Hong Kong
RIR
APNIC
Status
allocated
Allocated
1/23/2019

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
103.133.72.0/23AS45753NETSEC-HK - Netsec Limited Valid
APNICRADB
6/13/2026

Covering Prefix

2 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
103.133.72.0/24AS45753NETSEC-HK - Netsec Limited Valid—6/13/2026
103.133.73.0/24AS45753NETSEC-HK - Netsec Limited Valid—6/13/2026

RPKI ROAs

1
PrefixOriginMax LengthTrust Anchor
103.133.72.0/23AS45753/24apnic

IRR Route Objects

2
OriginRegistryMaintainerModified
AS45753APNICMAINT-RACKANIZER-HK10/19/2021
AS45753RADBMAINT-AS4575311/13/2023

More Specific Prefixes

9
PrefixASCountryStatus
103.133.72.0/24AS45753🇭🇰HKassigned
103.133.73.0/25🇭🇰HKassigned
103.133.73.128/26🇭🇰HKassigned
103.133.73.192/27🇭🇰HKassigned
103.133.73.224/28🇭🇰HKassigned
103.133.73.240/29🇭🇰HKassigned
103.133.73.248/30🇭🇰HKassigned
103.133.73.252/31🇭🇰HKassigned
103.133.73.254/32🇭🇰HKassigned
Geolocation
Country🇭🇰Hong KongHK
GEThttps://api.ipctl.io/v1/prefix/103.133.72.0/23

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

curl -s "https://api.ipctl.io/v1/prefix/103.133.72.0/23" | jq