Data as of Nov 8, 2026
165.21.36.0/23
No anonymizer space · no proxy exits in 30 daysSingNet · space held by SingNet Pte Ltd
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 165.21.0.0/16 since May 2005 | AS3758 | Residential | 100 2 always on | SingNet 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 |
|---|---|---|---|---|---|---|
| 165.21.0.0/16 | 65,536 | SINGNET-SG | SingNet Pte Ltd (ORG-SPL1-AP) · SG | ALLOCATED PORTABLE | — | hostmaster@ |
| └ 165.21.36.0/24 | 256 | SINGTEL-NETWORKS-165-21-36-0 | SingNET PTE LTD | ALLOCATED NON-PORTABLE | — | hostmaster@ |
| └ 165.21.37.0/24 | 256 | SINGTEL-NETWORKS-165-21-37-0 | SingNET PTE LTD | ALLOCATED NON-PORTABLE | — | hostmaster@ |
Network & registry
Origin network
AS3758
SG
- Name
- SingNet
- Type
- Internet provider
- Registered
- Aug 1, 2002
- Domain
- singnet.com.sg
- 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 2005
- Current origin since
- Jul 2020 · 6.3 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 165.21.0.0/16 | AS3758 | /24 | APNIC | RPKI valid |
| 165.21.0.0/16 | AS19905 | /24 | APNIC | Another network |
IRR
Route objects on the exact prefix
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 165.21.36.0/24 | AS3758 | APNIC | SingNet Pte Ltd | MAINT-SG-SINGNET | May 15, 2026 |
| 165.21.36.0/24 | AS19905 | APNIC | SingNet Pte Ltd | MAINT-SG-SINGNET | Aug 23, 2024 |
| 165.21.37.0/24 | AS3758 | APNIC | SingNet Pte Ltd | MAINT-SG-SINGNET | May 15, 2026 |
| 165.21.37.0/24 | AS19905 | APNIC | SingNet Pte Ltd | MAINT-SG-SINGNET | Aug 23, 2024 |
Whois
Registration for this announcement
- Range
- 165.
21. 0. 0/ 16 - Netname
- SINGNET-SG
- Registrant
- SingNet Pte Ltd
- Registrant country
- SG
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- May 16, 2020
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- SG
- Delegated
- Mar 31, 1993
- Status
- assigned
Report abuse
Abuse contact
- hostmaster@
singnet. com. sg - Name
- ABUSE SINGNETSG
- Handle
- AS2068-AP