Data as of Nov 7, 2026
203.123.48.0/22
No anonymizer space · no proxy exits in 30 daysDCS1 Pte. Ltd.
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 |
|---|---|---|---|---|---|---|
| 203.123.48.0/21 | 2,048 | DCS1PTELTD-SG | DCS1 Pte. Ltd. (ORG-DPL42-AP) · SG | ALLOCATED PORTABLE | — | noc@ |
| └ 203.123.48.0/22 | 1,024 | DCS1-01 | Main Network for DCS1 | ALLOCATED NON-PORTABLE | — | ghane0@ |
| └ 203.123.51.0/24 | 256 | BSQ-India | Merce Broadside | ASSIGNED NON-PORTABLE | — | infra@ |
Network & registry
Registry
Holder
- Organization
- DCS1 Pte. Ltd.
- Handle
- ORG-DPL42-AP
- Range
- 203.
123. 48. 0/ 21 - Registration type
- ALLOCATED PORTABLE
- Reallocated to
- Main Network for DCS1
- Reallocated range
- 203.
123. 48. 0/ 22 - Reallocation type
- ALLOCATED NON-PORTABLE
Origin network
AS37989
SG
- Name
- DCS1 Pte. Ltd.
- Type
- Hosting
- Registered
- Mar 24, 2006
- Domain
- dcs1.biz
- Website
- www.dcs1.biz
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2009
- Current origin since
- Mar 2022 · 4.6 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 203.123.48.0/22 | AS37989 | /22 | APNIC | RPKI valid |
| 203.123.48.0/21 | AS37989 | /21 | APNIC | Too specific |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS37989 | APNIC | eSys Technologies Pte Ltd | MAINT-DCS1PTELTD-SG | Apr 22, 2025 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 203.123.48.0/24 | AS37989 | APNIC | eSys Technologies Pte Ltd | MAINT-DCS1PTELTD-SG | Apr 22, 2025 |
| 203.123.49.0/24 | AS37989 | APNIC | eSys Technologies Pte Ltd | MAINT-DCS1PTELTD-SG | Apr 22, 2025 |
| 203.123.50.0/24 | AS37989 | APNIC | eSys Technologies Pte Ltd | MAINT-DCS1PTELTD-SG | Apr 22, 2025 |
| 203.123.51.0/24 | AS37989 | APNIC | eSys Technologies Pte Ltd | MAINT-DCS1PTELTD-SG | Apr 22, 2025 |
Whois
Registration for this announcement
- Range
- 203.
123. 48. 0/ 22 - Netname
- DCS1-01
- Registrant
- Main Network for DCS1
- Registrant country
- SG
- Organization
- Main Network for DCS1
- Org country
- SG
- Type
- ALLOCATED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- Apr 22, 2025
- Maintainer
- MAINT-DCS1PTELTD-SG
- RIR
- APNIC
- Country
- SG
- Delegated
- Mar 20, 2006
- Status
- assigned
Report abuse
Abuse contact
- ghane0@
gmail. com - Name
- Sanjeev Gupta
- Handle
- SG299-AP