Data as of Nov 11, 2026
203.173.78.0/24
No anonymizer space · no proxy exits in 30 daysSingapore Telecom Japan Ltd
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 203.173.64.0/20 | 4,096 | SINGTEL-JP | Singapore Telecom Japan Ltd (ORG-STJL1-AP) · JP | ALLOCATED PORTABLE | — | leonkoh@ |
| └ 203.173.78.0/24 | 256 | SINGTEL-JP | Singapore Telecom Japan Co., Ltd. | ASSIGNED NON-PORTABLE | — | leonkoh@ |
Network & registry
Announced by
Covering announcement 203.173.64.0/20
- Prefix
- 203.173.64.0/20
- Announced by
- AS17977 Singapore Telecom Japan Ltd
- Type
- Internet provider
- RPKI
- RPKI valid
- Netname
- SINGTEL-JP
- Registrant
- Singapore Telecom Japan Ltd
- RIR
- APNIC
Origin network
AS17977
JP
- Name
- Singapore Telecom Japan Ltd
- Type
- Internet provider
- Registered
- Oct 17, 2001
- Domain
- singtel.com
- Industry
- Computer and Information Technology
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 203.173.64.0/20
203.173.64.0/20
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Sep 2020 · 6.2 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 203.173.64.0/20 | AS7473 | /20 | APNIC | Another network |
| 203.173.64.0/20 | AS17977 | /20 | APNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 203.
173. 64. 0/ 20 - Netname
- SINGTEL-JP
- Registrant
- Singapore Telecom Japan Ltd
- Registrant country
- JP
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Oct 20, 2020
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- JP
- Delegated
- Oct 24, 2001
- Status
- assigned
Report abuse
Abuse contact
- leonkoh@
singtel. com - Name
- ABUSE SINGTELJP
- Handle
- AS2806-AP