Data as of Nov 11, 2026
155.69.1.0/24
No anonymizer space · no proxy exits in 30 daysNanyang Technological University
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 155.69.0.0/16 since May 2005 | AS9419 | Business | 225 1 always on | Nanyang Technological University |
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 |
|---|---|---|---|---|---|---|
| 155.69.0.0/16 | 65,536 | NTUNET1 | Nanyang Technological University (ORG-NTU2-AP) · SG | ALLOCATED PORTABLE | — | networkteamb@ |
| └ 155.69.1.0/24 | 256 | NTU | Nanyang Technological University, Centre for IT Services Nanyang Ave | ALLOCATED NON-PORTABLE | — | networkteamb@ |
Network & registry
Registry
Holder
- Organization
- Nanyang Technological University
- Handle
- ORG-NTU2-AP
- Range
- 155.
69. 0. 0/ 16 - Registration type
- ALLOCATED PORTABLE
- Reallocated to
- Nanyang Technological University, Centre for IT Services Nanyang Ave
- Reallocated range
- 155.
69. 1. 0/ 24 - Reallocation type
- ALLOCATED NON-PORTABLE
Origin network
AS9419
SG
- Name
- Nanyang Technological University
- Type
- Education
- Registered
- Oct 1, 1998
- Domain
- ntu.edu.sg
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Jul 2005
- Current origin since
- Mar 2017 · 9.7 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 155.69.1.0/24 | AS3491 | /24 | APNIC | Another network |
| 155.69.1.0/24 | AS9419 | /24 | APNIC | RPKI valid |
| 155.69.0.0/16 | AS3491 | /16 | APNIC | Another network |
| 155.69.0.0/16 | AS9419 | /16 | APNIC | Too specific |
Whois
Registration for this announcement
- Range
- 155.
69. 1. 0/ 24 - Netname
- NTU
- Registrant
- Nanyang Technological University, Centre for IT Services Nanyang Ave
- Registrant country
- SG
- Organization
- Nanyang Technological University, Centre for IT Services Nanyang Ave
- Org country
- SG
- Type
- ALLOCATED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- Aug 8, 2025
- Maintainer
- MNT-NTU-NON-SG
- RIR
- APNIC
- Country
- SG
- Delegated
- Oct 30, 1991
- Status
- assigned
Report abuse
Abuse contact
- networkteamb@
ntu. edu. sg - Name
- ABUSE NTUNONSG
- Handle
- AN1078-AP