Data as of Nov 10, 2026

221.121.2.0/24

1 residential-proxy exit · 30 days

Sai gon Postel Corporation

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

Residential-proxy exits

Proxy exits
1
0.39% of its addresses · 30 days
Providers
4
selling exits here
Oct 11, 2026 – Nov 8, 2026

Exits seen per day

115 observations

Proxy providers listing exits

  • DataImpulse
  • Proxmint
  • Proxy4U
  • Q2IP

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
└ 221.121.2.0/24256POPBinhDuong-NETDai IP su dung cho mang khach hang xDSLALLOCATED NON-PORTABLE—hm-changed@vnnic.vn

Network & registry

IPv4 market

Holder

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
221.121.2.0/24
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