151.192.0.0/21 Singapore Telecom
Announced by AS9255 Singapore Telecom. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 151.192.0.0/21
Prefix
Origin
AS9255 CONNECTPLUS-AS
RPKI
RPKI valid
Size
2,048 addresses
Less specific
More specifics
0
IRR route objects
3 exact, 7 covering
In RouteViews
2026-10-12 20:02 UTC
Paths
How 151.192.0.0/21 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.
AS36601 TNT (TNT - Tampa, FL)Collector-1-TAMPA-FL36601 174 6453 3758 9255
| Origin | AS9255 Singapore Telecom |
| Origin code | IGP |
| Communities | 174:21000 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 4d 20h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 1299 3758 9255
| Origin | AS9255 Singapore Telecom |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 5d 4h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 6453 3758 9255
| Origin | AS9255 Singapore Telecom |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 4h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS9255 to originate 151.192.0.0/21 up to /21. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 151.192.0.0/21 | /21 | AS9255 CONNECTPLUS-AS | APNIC |
| 151.192.0.0/18 | /24 | AS3758 SINGNET | APNIC |
| 151.192.0.0/18 | /24 | AS19905 SECURITYSERVICES | 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 |
|---|---|---|---|---|
| 151.192.0.0/21 | AS3758 SINGNET | APNIC | SingNet Pte Ltd c/o Singapore Telecommunications 31 Exeter Road Comcentre Podium Block, | MAINT-SG-SINGNET |
| 151.192.0.0/21 | AS9255 CONNECTPLUS-AS | APNIC | SingNet Pte Ltd c/o Singapore Telecommunications 31 Exeter Road Comcentre Podium Block, | MAINT-SG-SINGNET |
| 151.192.0.0/21 | AS19905 SECURITYSERVICES | APNIC | SingNet Pte Ltd c/o Singapore Telecommunications 10 EUNOS ROAD 8 | MAINT-SG-SINGNET |
| 151.192.0.0/20 covering | AS3758 SINGNET | APNIC | SingNet Pte Ltd c/o Singapore Telecommunications 31 Exeter Road Comcentre Podium Block, | MAINT-SG-SINGNET |
| 151.192.0.0/20 covering | AS19905 SECURITYSERVICES | APNIC | SingNet Pte Ltd c/o Singapore Telecommunications 10 EUNOS ROAD 8 | MAINT-SG-SINGNET |
| 151.192.0.0/19 covering | AS3758 SINGNET | APNIC | SingNet Pte Ltd c/o Singapore Telecommunications 31 Exeter Road Comcentre Podium Block, | MAINT-SG-SINGNET |
| 151.192.0.0/19 covering | AS19905 SECURITYSERVICES | APNIC | SingNet Pte Ltd c/o Singapore Telecommunications 10 EUNOS ROAD 8 | MAINT-SG-SINGNET |
| 151.192.0.0/18 covering | AS3758 SINGNET | APNIC | SingNet Pte Ltd c/o Singapore Telecommunications Accounts Payable Department 31 Exeter Road, | MAINT-SG-SINGNET |
| 151.192.0.0/18 covering | AS19905 SECURITYSERVICES | APNIC | SingNet Pte Ltd c/o Singapore Telecommunications 10 EUNOS ROAD 8 | MAINT-SG-SINGNET |
| 151.192.0.0/18 covering | AS3758 SINGNET | RADB | Singapore Telecommunications Ltd SingNet Corp Network 31 Exeter Road Comcentre Singapore 239732 | MAINT-AS3758 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.