42.61.136.0/21 SingNet
Announced by AS3758 SingNet. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 42.61.136.0/21
Prefix
Origin
AS3758 SINGNET
RPKI
RPKI valid
Size
2,048 addresses
Less specific
More specifics
0
IRR route objects
3 exact, 16 covering
In RouteViews
2026-10-13 00:02 UTC
Paths
How 42.61.136.0/21 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
| Origin | AS3758 SingNet |
| Origin code | incomplete |
| Communities | 174:21000 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 4d 22h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 6453 3758
| Origin | AS3758 SingNet |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 5d 6h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 6453 3758
| Origin | AS3758 SingNet |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 6h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS3758 to originate 42.61.0.0/16 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 42.61.128.0/17 | /24 | AS9506 SINGTEL-FIBRE | APNIC |
| 42.61.0.0/16 | /24 | AS3758 SINGNET | APNIC |
| 42.61.0.0/16 | /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 |
|---|---|---|---|---|
| 42.61.136.0/21 | AS3758 SINGNET | APNIC | SingNet Pte Ltd c/o Singapore Telecommunications 31 Exeter Road Comcentre Podium Block, | MAINT-SG-SINGNET |
| 42.61.136.0/21 | AS9506 SINGTEL-FIBRE | APNIC | SingNet Pte Ltd c/o Singapore Telecommunications 31 Exeter Road Comcentre Podium Block, | MAINT-SG-SINGNET |
| 42.61.136.0/21 | AS19905 SECURITYSERVICES | APNIC | SingNet Pte Ltd c/o Singapore Telecommunications 31 Exeter Road Comcentre Podium Block, | MAINT-SG-SINGNET |
| 42.61.128.0/20 covering | AS3758 SINGNET | APNIC | SingNet Pte Ltd c/o Singapore Telecommunications 31 Exeter Road Comcentre Podium Block, | MAINT-SG-SINGNET |
| 42.61.128.0/20 covering | AS9506 SINGTEL-FIBRE | APNIC | SingNet Pte Ltd c/o Singapore Telecommunications 31 Exeter Road Comcentre Podium Block, | MAINT-SG-SINGNET |
| 42.61.128.0/20 covering | AS19905 SECURITYSERVICES | APNIC | SingNet Pte Ltd c/o Singapore Telecommunications 31 Exeter Road Comcentre Podium Block, | MAINT-SG-SINGNET |
| 42.61.128.0/19 covering | AS3758 SINGNET | APNIC | SingNet Pte Ltd c/o Singapore Telecommunications 31 Exeter Road Comcentre Podium Block, | MAINT-SG-SINGNET |
| 42.61.128.0/19 covering | AS9506 SINGTEL-FIBRE | APNIC | SingNet Pte Ltd c/o Singapore Telecommunications 31 Exeter Road Comcentre Podium Block, | MAINT-SG-SINGNET |
| 42.61.128.0/19 covering | AS19905 SECURITYSERVICES | APNIC | SingNet Pte Ltd c/o Singapore Telecommunications 31 Exeter Road Comcentre Podium Block, | MAINT-SG-SINGNET |
| 42.61.128.0/18 covering | AS3758 SINGNET | APNIC | SingNet Pte Ltd c/o Singapore Telecommunications 31 Exeter Road Comcentre Podium Block, | MAINT-SG-SINGNET |
| 42.61.128.0/18 covering | AS9506 SINGTEL-FIBRE | APNIC | SingNet Pte Ltd c/o Singapore Telecommunications 31 Exeter Road Comcentre Podium Block, | MAINT-SG-SINGNET |
| 42.61.128.0/18 covering | AS19905 SECURITYSERVICES | APNIC | SingNet Pte Ltd c/o Singapore Telecommunications 31 Exeter Road Comcentre Podium Block, | MAINT-SG-SINGNET |
| 42.61.128.0/17 covering | AS3758 SINGNET | APNIC | SingNet Pte Ltd c/o Singapore Telecommunications 31 Exeter Road Comcentre Podium Block, | MAINT-SG-SINGNET |
| 42.61.128.0/17 covering | AS9506 SINGTEL-FIBRE | APNIC | SingNet Pte Ltd c/o Singapore Telecommunications Accounts Payable Department 31 Exeter Road, | MAINT-SG-SINGNET |
| 42.61.128.0/17 covering | AS19905 SECURITYSERVICES | APNIC | SingNet Pte Ltd c/o Singapore Telecommunications 31 Exeter Road Comcentre Podium Block, | MAINT-SG-SINGNET |
| 42.61.128.0/17 covering | AS9506 SINGTEL-FIBRE | RADB | Singapore Telecommunications Ltd SingTel BroadBand network 31 Exeter Road Orchard Telephone Exchange SINGAPORE 239732 | MAINT-AS3758 |
| 42.61.0.0/16 covering | AS3758 SINGNET | APNIC | SingNet Pte Ltd c/o Singapore Telecommunications Accounts Payable Department 31 Exeter Road, | MAINT-SG-SINGNET |
| 42.61.0.0/16 covering | AS19905 SECURITYSERVICES | APNIC | SingNet Pte Ltd c/o Singapore Telecommunications 31 Exeter Road Comcentre Podium Block, | MAINT-SG-SINGNET |
| 42.61.0.0/16 covering | AS3758 SINGNET | RADB | Singapore Telecommunications Ltd SingNet Corp network 31 Exeter Road Orchard Telephone Exchange SINGAPORE 239732 | MAINT-AS3758 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.