Data as of Nov 14, 2026
120.72.80.0/23
No anonymizer space · no proxy exits in 30 daysQuang Trung Software City Development Company · space held by Quang Trung Software City Development Company Limited
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 120.72.80.0/24 since Feb 2020 | AS24085 | Internet provider | Quang Trung Software City Development Company Limited | |
| 120.72.81.0/24 since Sep 2016 | AS24085 | Internet provider | Quang Trung Software City Development Company Limited |
Network & registry
Announced by
Covering announcement 120.72.80.0/21
- Prefix
- 120.72.80.0/21
- Announced by
- AS24085 Quang Trung Software City Development Company
- Type
- Internet provider
- Proxy exits
- 2
- RPKI
- RPKI valid
- Netname
- QTSC-VN
- Registrant
- Quang Trung Software City Development Company Limited
- RIR
- APNIC
Origin network
AS24085
VN
- Name
- Quang Trung Software City Development Company
- Type
- Internet provider
- Registered
- Jun 22, 2004
- Domain
- qtsc.com.vn
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 1
Routing timeline
Who has announced 120.72.80.0/21
120.72.80.0/21
Routing history
- Pattern
- Stable
- First seen
- Jan 2010
- Current origin since
- Nov 2025 · 12 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 120.72.80.0/21 | AS24085 | /24 | APNIC | RPKI valid |
IRR
Route objects on 120.72.80.0/21
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS7552 not the origin | REACH | REACH (Customer Route) | MAINT-REACH-NOC | Mar 22, 2017 |
| AS18403 not the origin | REACH | REACH (Customer Route) | MAINT-REACH-NOC | Mar 22, 2017 |
| AS24085 | APNIC | QTSC-VN | MAINT-VN-QTSC | Feb 17, 2022 |
| AS24085 | RADB | Proxy-registered route object | MAINT-AS3491 | Mar 28, 2025 |
| AS24085 | NTTCOM | "Quang Trung Software City Development Company (QTSC) Viet Nam" | MAINT-VDC | Jun 18, 2010 |
| AS24085 | REACH | REACH (Customer Route) | MAINT-REACH-NOC | Mar 22, 2017 |
Whois
Registration for this announcement
- Range
- 120.
72. 80. 0/ 21 - Netname
- QTSC-VN
- Registrant
- Quang Trung Software City Development Company Limited
- Registrant country
- VN
- Organization
- Quang Trung Software City Development Company Limited
- Org country
- VN
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Dec 16, 2025
- Maintainer
- MAINT-VN-VNNIC
- RIR
- APNIC
- Country
- VN
- Delegated
- Mar 28, 2008
- Status
- assigned
Report abuse
Abuse contact
- hm-changed@
vnnic. vn - Name
- IRT-VNNIC-AP
- Handle
- IRT-VNNIC-AP