HomePrefix Lookup221.133.4.0/22

221.133.4.0/22

🇻🇳
IPv4APNICannouncedAS7602SPT-AS-VN - Sai gon Postel Corporation RPKI Valid
CIDR
221.133.4.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇻🇳 Vietnam
City
Quận Mười
RIR
APNIC
Status
announced
Allocated
-

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
221.133.4.0/22AS7602SPT-AS-VN - Sai gon Postel Corporation Valid
APNIC
6/2/2026

Covering Prefix

1 less-specific announcement
PrefixOrigin ASRPKIIRRLast Seen
221.133.0.0/20AS7602SPT-AS-VN - Sai gon Postel Corporation Valid—6/2/2026

RPKI ROAs

1
PrefixOriginMax LengthTrust Anchor
221.133.0.0/19AS7602/24apnic

IRR Route Objects

1
OriginRegistryMaintainerModified
AS7602APNICMAINT-VN-SPT9/24/2022

More Specific Prefixes

18
PrefixASCountryStatus
221.133.7.0/24🇻🇳VNassigned
221.133.4.0/27🇻🇳VNassigned
221.133.4.32/27🇻🇳VNassigned
221.133.4.160/27🇻🇳VNassigned
221.133.4.64/27🇻🇳VNassigned
221.133.5.96/27🇻🇳VNassigned
221.133.5.128/27🇻🇳VNassigned
221.133.6.0/27🇻🇳VNassigned
221.133.4.192/27🇻🇳VNassigned
221.133.6.32/27🇻🇳VNassigned
221.133.5.16/28🇻🇳VNassigned
221.133.4.224/28🇻🇳VNassigned
221.133.4.96/28🇻🇳VNassigned
221.133.5.0/29🇻🇳VNassigned
221.133.5.80/29🇻🇳VNassigned
221.133.4.240/29🇻🇳VNassigned
221.133.4.248/29🇻🇳VNassigned
221.133.5.8/29🇻🇳VNassigned
Origin ASN
AS7602
SPT-AS-VN - Sai gon Postel Corporation
Geolocation
Country🇻🇳VietnamVN
RegionHo Chi Minh City (HCMC)
CityQuận Mười
Coordinates10.7765, 106.6670 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/221.133.4.0/22

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

curl -s "https://api.ipctl.io/v1/prefix/221.133.4.0/22" | jq
External Links
RIPEstat Hurricane Electric BGP