LAYER3 INTEL
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Data as of Nov 10, 2026

221.121.7.0/24

No anonymizer space · no proxy exits in 30 days

Sai gon Postel Corporation

Announcement
this exact prefix
RPKI valid
Announced by
AS7602
Type
Residential
Risk
0 / 100 · Low
Recent change
New origin Sep 28, 2026
its first announcement on record

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
221.121.0.0/18
since Oct 2025
AS7602Residential2Sai gon Postel Corporation

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
221.121.0.0/1816,384SPT-VNSai gon Postel CorporationALLOCATED PORTABLE—hm-changed@vnnic.vn
└ 221.121.7.0/24256POPCanTho-NETDai IP su dung cho mang khach hang xDSLALLOCATED NON-PORTABLE—hm-changed@vnnic.vn

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
Sai gon Postel Corporation
Range
221.121.0.0/18
Registration type
ALLOCATED PORTABLE
Reallocated to
Dai IP su dung cho mang khach hang xDSL
Reallocated range
221.121.7.0/24
Reallocation type
ALLOCATED NON-PORTABLE
Origin network

AS7602

VN
Name
Sai gon Postel Corporation
Type
Internet provider
Registered
Aug 28, 2003
Domain
spt.vn
Website
www.spt.vn
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed