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Data as of Nov 10, 2026

221.133.7.0/24

1 residential-proxy exit · 30 days

Sai gon Postel Corporation

Announcement
221.133.4.0/22
RPKI valid
Announced by
AS7602
Type
Hosting
Risk
50 / 100 · Medium

Residential-proxy exits

Proxy exits
1
0.39% of its addresses · 30 days
Providers
2
selling exits here
Oct 11, 2026 – Nov 8, 2026

Exits seen per day

1 observation

Proxy providers listing exits

  • IPFly
  • PuraRoute

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
221.133.0.0/20
since Jun 2016
AS7602Residential2
1 always on
Sai gon Postel Corporation

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
221.133.0.0/198,192SPT-VNSai gon Postel CorporationALLOCATED PORTABLE—hm-changed@vnnic.vn
└ 221.133.7.0/24256Hosting-NETKH Colo Servers moiALLOCATED NON-PORTABLE—hm-changed@vnnic.vn

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 221.133.4.0/22

Prefix
221.133.4.0/22
Announced by
AS7602 Sai gon Postel Corporation
Type
Residential
Proxy exits
1
RPKI
RPKI valid
Netname
SPT-VN
Registrant
Sai gon Postel Corporation
RIR
APNIC
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