Data as of Nov 5, 2026
103.172.237.0/24
No anonymizer space · no proxy exits in 30 daysHanoi Telecom JSC · space held by Heral Science and Technology Joint Stock Company
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 103.172.236.0/23 since Oct 2022 | AS38253 | Business | Heral Science and Technology Joint Stock Company |
Network & registry
Origin network
AS38253
VN
- Name
- Hanoi Telecom JSC
- Type
- Internet provider
- Registered
- Oct 4, 2006
- Domain
- hinet.net.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 2025
- Current origin since
- Aug 2025 · 1.2 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 103.172.236.0/23 | AS38253 | /24 | APNIC | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS38253 | APNIC | HERAL-VN | MAINT-VN-VNNIC | Oct 31, 2022 |
Whois
Registration for this announcement
- Range
- 103.
172. 236. 0/ 23 - Netname
- HERAL-VN
- Registrant
- Heral Science and Technology Joint Stock Company
- Registrant country
- VN
- Organization
- Heral Science and Technology Joint Stock Company
- Org country
- VN
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Apr 14, 2023
- Maintainer
- MAINT-VN-VNNIC
- RIR
- APNIC
- Country
- VN
- Delegated
- Sep 7, 2021
- Status
- assigned
Report abuse
Abuse contact
- hm-changed@
vnnic. vn - Name
- IRT-VNNIC-AP
- Handle
- IRT-VNNIC-AP