Home Prefix Lookup221.133.23.0/24

221.133.23.0/24 - Sai Gon Postel Corporation (AS7602)

IPv4APNICannouncedAS7602SPT-AS-VN - Sai gon Postel Corporation RPKI Valid

CIDR

221.133.23.0/24

IP Version

IPv4

Addresses

256

Mask

/24 (255.255.255.0)

Country

🇻🇳 Vietnam

City

Quận Bốn

RIR

APNIC

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
221.133.23.0/24	AS7602 SPT-AS-VN - Sai gon Postel Corporation	Valid	APNICOther IRR	2026-10-12

Covering Prefix

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
221.133.20.0/22	AS7602 SPT-AS-VN - Sai gon Postel Corporation	Valid	-	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
221.133.0.0/19	AS7602	/24	apnic

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS7602	APNIC	MAINT-VN-SPT	2022-09-24
AS7602	Other IRR	MAINT-HGC-INTL	2026-10-02

Origin ASN

AS7602

SPT-AS-VN - Sai gon Postel Corporation

Related Prefixes

Covering prefix

221.133.20.0/22AS7602

More prefixes of AS7602

All prefixes of AS7602 →

Geolocation

Country🇻🇳VietnamVN

RegionHo Chi Minh City (HCMC)

CityQuận Bốn

Coordinates10.7644, 106.6960 ↗

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/221.133.23.0/24

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

curl -s "https://api.ipctl.io/v1/prefix/221.133.23.0/24" | jq

External Links

RIPEstat