155.69.64.0/19 Nanyang Technological University
Announced by AS9419 Nanyang Technological University. RPKI valid Seen by 3 of our 5 looking glass sessions.
Summary
What the table says about 155.69.64.0/19
Prefix
Origin
AS9419 NTU-AS-AP
RPKI
RPKI valid
Size
8,192 addresses
Less specific
More specifics
1
IRR route objects
2 exact, 2 covering
In RouteViews
2026-10-12 20:02 UTC
Paths
How 155.69.64.0/19 is reached
Every path our looking glass collectors hold for this exact prefix. Open one for its attributes, or see them all side by side in the looking glass.
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 36295 6939 23855 9419
| Origin | AS9419 Nanyang Technological University |
| Origin code | IGP |
| Communities | 903:100 903:900 |
| Updated | 5d 5h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS9419 to originate 155.69.64.0/19 up to /19. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 155.69.64.0/19 | /19 | AS9419 NTU-AS-AP | APNIC |
| 155.69.0.0/16 | /16 | AS3491 PCCWG-APAC-HK | APNIC |
| 155.69.0.0/16 | /16 | AS9419 NTU-AS-AP | APNIC |
IRR
Route objects
Registered in the IRR for this prefix and the ones covering it. Look it up live.
| Route | Origin | Source | Description | Maintained by |
|---|---|---|---|---|
| 155.69.64.0/19 | AS9247 NIE-SG | LEVEL3 | Proxy-registered route object | LEVEL3-MNT |
| 155.69.64.0/19 | AS9419 NTU-AS-AP | RADB | NTU-SG 50 Nanyang Avenue Singapore 639798 | MAINT-AS3856 |
| 155.69.0.0/16 covering | AS3491 PCCWG-APAC-HK | APNIC | Nanyang Technological University Universitiy C/- Centre for IT Services 50 Nanyang Avenue | MNT-NTU-NON-SG |
| 155.69.0.0/16 covering | AS9419 NTU-AS-AP | APNIC | Nanyang Technological University Universitiy C/- Centre for IT Services 50 Nanyang Avenue | MNT-NTU-NON-SG |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.
More specific
Prefixes inside 155.69.64.0/19
1 announced prefix fall inside this one.