Data as of Nov 10, 2026
221.121.3.0/24
1 residential-proxy exit · 30 daysSai gon Postel Corporation
Announcement
this exact prefix
RPKI valid
Announced by
Type
Residential
Risk
0 / 100 · Low
Recent change
New origin Aug 2026
its first announcement on record
Residential-proxy exits
Proxy exits
1
0.39% of its addresses · 30 days
Providers
12
selling exits here
Oct 11, 2026 – Nov 8, 2026
Exits seen per day
817 observations
Proxy providers listing exits
- BottingTools
- CatProxies
- DataImpulse
- EZProxies
- Geonode
- InfiniteProxies
- NextProxy
- ProxiesVision
- Proxmint
- Proxy4U
- ProxyGeo
- TrueProxies
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 221.121.0.0/18 since Oct 2025 | AS7602 | Residential | 2 | Sai gon Postel Corporation |
Network & registry
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
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Aug 2026
- Current origin since
- Aug 2026 · 3 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 221.121.0.0/18 | AS7602 | /24 | APNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 221.
121. 0. 0/ 18 - Netname
- SPT-VN
- Registrant
- Sai gon Postel Corporation
- Registrant country
- VN
- Organization
- Sai gon Postel Corporation
- Org country
- VN
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Sep 26, 2022
- Maintainer
- MAINT-VN-VNNIC
- RIR
- APNIC
- Country
- VN
- Delegated
- May 20, 2005
- Status
- assigned
Report abuse
Abuse contact
- hm-changed@
vnnic. vn - Name
- IRT-VNNIC-AP
- Handle
- IRT-VNNIC-AP