Data as of Nov 7, 2026
120.72.112.0/20
No anonymizer space · no proxy exits in 30 daysQuang Trung Software City Development Company
Announcements
Nesting
More-specifics by size
Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 120.72.112.0/24 since May 2013 | AS24085 | Internet provider | Quang Trung Software City Development Company | |
| 120.72.113.0/24 since Jan 2021 | AS24085 | Internet provider | Quang Trung Software City Development Company | |
| 120.72.114.0/24 since Mar 2015 | AS24085 | Internet provider | Quang Trung Software City Development Company | |
| 120.72.116.0/24 since Jun 2016 | AS24085 | Internet provider | Quang Trung Software City Development Company | |
| 120.72.117.0/24 since Dec 2016 | AS24085 | Internet provider | Quang Trung Software City Development Company | |
| 120.72.118.0/24 since Aug 2016 | AS24085 | Internet provider | Quang Trung Software City Development Company | |
| 120.72.119.0/24 since Aug 2016 | AS24085 | Internet provider | Quang Trung Software City Development Company | |
| 120.72.120.0/24 since Dec 2017 | AS24085 | Internet provider | Quang Trung Software City Development Company | |
| 120.72.122.0/24 since May 2018 | AS24085 | Internet provider | Quang Trung Software City Development Company | |
| 120.72.123.0/24 since Oct 2018 | AS24085 | Internet provider | Quang Trung Software City Development Company | |
| 120.72.124.0/24 since Feb 2015 | AS24085 | Internet provider | Quang Trung Software City Development Company |
Network & registry
Announced by
Covering announcement 120.72.96.0/19
- Prefix
- 120.72.96.0/19
- Announced by
- AS24085 Quang Trung Software City Development Company
- Type
- Internet provider
- Proxy exits
- 5
- RPKI
- RPKI valid
- Netname
- QTSC-VN
- Registrant
- Quang Trung Software City Development Company
- 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 120.72.96.0/19
120.72.96.0/19
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 |
|---|---|---|---|---|
| 120.72.96.0/19 | AS24085 | /24 | APNIC | RPKI valid |
IRR
Route objects on 120.72.96.0/19
| 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 15, 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. 96. 0/ 19 - Netname
- QTSC-VN
- Registrant
- Quang Trung Software City Development Company
- Registrant country
- VN
- Organization
- Quang Trung Software City Development Company
- 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