Data as of Nov 5, 2026
183.81.15.0/24
No anonymizer space · no proxy exits in 30 daysFPT Telecom Company · space held by FPT Telecom
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 183.81.0.0/20 since Jun 2025 | AS18403 | Residential | 1,326 11 always on | FPT Telecom | |
| 183.81.0.0/18 since Sep 2019 | AS18403 | Residential | 4,734 26 always on | FPT Telecom | |
| 183.81.0.0/17 since Feb 2019 | AS18403 | Residential | 9,735 94 always on | FPT Telecom |
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.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 183.81.0.0/17 | 32,768 | FPT-VN | FPT Telecom | ALLOCATED PORTABLE | — | hm-changed@ |
| └ 183.81.0.0/20 | 4,096 | FPTDYNAMICIP-NET | FPT Telecom Company | ASSIGNED NON-PORTABLE | — | hm-changed@ |
Network & registry
IPv4 market
Holder
- Organization
- FPT Telecom
- Range
- 183.
81. 0. 0/ 17 - Registration type
- ALLOCATED PORTABLE
Origin network
AS18403
VN
- Name
- FPT Telecom Company
- Type
- Internet provider
- Registered
- Jan 3, 2003
- Domain
- fpt.vn
- Website
- www.fpt.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
- Jan 2026
- Current origin since
- Jan 2026 · 10 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 183.81.0.0/17 | AS18403 | /24 | APNIC | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS18403 | APNIC | Vietnam Internet Network Information Center (VNNIC) | MAINT-VN-FPT | Aug 1, 2019 |
Whois
Registration for this announcement
- Range
- 183.
81. 0. 0/ 20 - Netname
- FPTDYNAMICIP-NET
- Registrant
- FPT Telecom Company
- Registrant country
- VN
- Organization
- FPT Telecom Company
- Org country
- VN
- Type
- ASSIGNED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- Jan 17, 2022
- Maintainer
- MAINT-VN-FPT
- RIR
- APNIC
- Country
- VN
- Delegated
- Nov 8, 2009
- Status
- assigned
Report abuse
Abuse contact
- hm-changed@
vnnic. vn - Name
- IRT-VNNIC-AP
- Handle
- IRT-VNNIC-AP