HomePrefix Lookup123.31.0.0/18

123.31.0.0/18

🇻🇳
IPv4APNICannouncedMOASNo ROA
CIDR
123.31.0.0/18
IP Version
IPv4
Addresses
16.3K
Mask
/18 (255.255.192.0)
Country
🇻🇳 Vietnam
City
Hanoi
RIR
APNIC
Status
announced
Allocated
-

Announced BGP Routes

2 of 2 routes
MOAS - 2 origin ASNs
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
123.31.0.0/18AS45899VNPT-AS-VN - VNPT CorpNo ROA
RADB
6/13/2026
123.31.0.0/18AS135905VNPT-AS-VN - VIETNAM POSTS AND TELECOMMUNICATIONS GROUPNo ROA—6/13/2026

Covering Prefix

44 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
123.31.32.0/19AS45899VNPT-AS-VN - VNPT CorpNo ROA—6/13/2026
123.31.48.0/20AS45899VNPT-AS-VN - VNPT Corp Valid—6/13/2026
123.31.32.0/20AS135905VNPT-AS-VN - VIETNAM POSTS AND TELECOMMUNICATIONS GROUP Valid—6/13/2026
123.31.16.0/21AS45899VNPT-AS-VN - VNPT Corp Valid—6/13/2026
123.31.0.0/21AS45899VNPT-AS-VN - VNPT Corp Valid—6/13/2026
123.31.28.0/22AS135905VNPT-AS-VN - VIETNAM POSTS AND TELECOMMUNICATIONS GROUP Valid—6/13/2026
123.31.14.0/23AS45899VNPT-AS-VN - VNPT Corp Valid—6/13/2026
123.31.15.0/24AS45899VNPT-AS-VN - VNPT Corp Valid—6/13/2026
123.31.16.0/24AS45899VNPT-AS-VN - VNPT Corp Valid—6/13/2026
123.31.17.0/24AS45899VNPT-AS-VN - VNPT Corp Valid—6/13/2026
123.31.18.0/24AS45899VNPT-AS-VN - VNPT Corp Valid—6/13/2026
123.31.19.0/24AS45899VNPT-AS-VN - VNPT Corp Valid—6/13/2026
123.31.20.0/24AS45899VNPT-AS-VN - VNPT Corp Valid—6/13/2026
123.31.21.0/24AS45899VNPT-AS-VN - VNPT Corp Valid—6/13/2026
123.31.22.0/24AS45899VNPT-AS-VN - VNPT Corp Valid—6/13/2026
123.31.23.0/24AS45899VNPT-AS-VN - VNPT Corp Valid—6/13/2026
123.31.8.0/24AS45899VNPT-AS-VN - VNPT Corp Valid—6/13/2026
123.31.25.0/24AS45899VNPT-AS-VN - VNPT Corp Valid—6/13/2026
123.31.26.0/24AS45899VNPT-AS-VN - VNPT Corp Valid—6/13/2026
123.31.9.0/24AS45899VNPT-AS-VN - VNPT Corp Valid—6/13/2026
123.31.27.0/24AS135905VNPT-AS-VN - VIETNAM POSTS AND TELECOMMUNICATIONS GROUP Valid—6/13/2026
123.31.11.0/24AS135905VNPT-AS-VN - VIETNAM POSTS AND TELECOMMUNICATIONS GROUP Valid—6/13/2026
123.31.28.0/24AS135905VNPT-AS-VN - VIETNAM POSTS AND TELECOMMUNICATIONS GROUP Valid—6/13/2026
123.31.29.0/24AS135905VNPT-AS-VN - VIETNAM POSTS AND TELECOMMUNICATIONS GROUP Valid—6/13/2026
123.31.30.0/24AS135905VNPT-AS-VN - VIETNAM POSTS AND TELECOMMUNICATIONS GROUP Valid—6/13/2026
123.31.31.0/24AS135905VNPT-AS-VN - VIETNAM POSTS AND TELECOMMUNICATIONS GROUP Valid—6/13/2026
123.31.10.0/24AS135905VNPT-AS-VN - VIETNAM POSTS AND TELECOMMUNICATIONS GROUP Valid—6/13/2026
123.31.12.0/24AS135905VNPT-AS-VN - VIETNAM POSTS AND TELECOMMUNICATIONS GROUP Valid—6/13/2026
123.31.32.0/24AS135905VNPT-AS-VN - VIETNAM POSTS AND TELECOMMUNICATIONS GROUP Valid—6/13/2026
123.31.33.0/24AS135905VNPT-AS-VN - VIETNAM POSTS AND TELECOMMUNICATIONS GROUP Valid—6/13/2026
123.31.34.0/24AS135905VNPT-AS-VN - VIETNAM POSTS AND TELECOMMUNICATIONS GROUP Valid—6/13/2026
123.31.35.0/24AS135905VNPT-AS-VN - VIETNAM POSTS AND TELECOMMUNICATIONS GROUP Valid—6/13/2026
123.31.36.0/24AS135905VNPT-AS-VN - VIETNAM POSTS AND TELECOMMUNICATIONS GROUP Valid—6/13/2026
123.31.37.0/24AS135905VNPT-AS-VN - VIETNAM POSTS AND TELECOMMUNICATIONS GROUP Valid—6/13/2026
123.31.38.0/24AS135905VNPT-AS-VN - VIETNAM POSTS AND TELECOMMUNICATIONS GROUP Valid—6/13/2026
123.31.39.0/24AS135905VNPT-AS-VN - VIETNAM POSTS AND TELECOMMUNICATIONS GROUP Valid—6/13/2026
123.31.40.0/24AS135905VNPT-AS-VN - VIETNAM POSTS AND TELECOMMUNICATIONS GROUP Valid—6/13/2026
123.31.41.0/24AS135905VNPT-AS-VN - VIETNAM POSTS AND TELECOMMUNICATIONS GROUP Valid—6/13/2026
123.31.42.0/24AS135905VNPT-AS-VN - VIETNAM POSTS AND TELECOMMUNICATIONS GROUP Valid—6/13/2026
123.31.43.0/24AS135905VNPT-AS-VN - VIETNAM POSTS AND TELECOMMUNICATIONS GROUP Valid—6/13/2026
123.31.44.0/24AS135905VNPT-AS-VN - VIETNAM POSTS AND TELECOMMUNICATIONS GROUP Valid—6/13/2026
123.31.24.0/24AS135905VNPT-AS-VN - VIETNAM POSTS AND TELECOMMUNICATIONS GROUP Valid—6/13/2026
123.31.45.0/24AS135905VNPT-AS-VN - VIETNAM POSTS AND TELECOMMUNICATIONS GROUP Valid—6/13/2026
123.31.47.0/24AS135905VNPT-AS-VN - VIETNAM POSTS AND TELECOMMUNICATIONS GROUP Valid—6/13/2026

IRR Route Objects

1
OriginRegistryMaintainerModified
AS45899RADBMAINT-AS4589911/13/2023
Origin ASNs (2)
AS45899MOAS
VNPT-AS-VN - VNPT Corp
AS135905MOAS
VNPT-AS-VN - VIETNAM POSTS AND TELECOMMUNICATIONS GROUP
Geolocation
Country🇻🇳VietnamVN
RegionHanoi
CityHanoi
Coordinates21.0278, 105.8340 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/123.31.0.0/18

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

curl -s "https://api.ipctl.io/v1/prefix/123.31.0.0/18" | jq
External Links
RIPEstat Hurricane Electric BGP