61.57.240.0/20 B-WIZ Technology
Announced by AS18415 B-WIZ Technology. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 61.57.240.0/20
Prefix
Origin
AS18415 BWIZ
RPKI
RPKI valid
Size
4,096 addresses
Less specific
none
More specifics
17
IRR route objects
3 exact, 6 covering
In RouteViews
2026-10-14 08:02 UTC
Paths
How 61.57.240.0/20 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 10099 134823 18415
| Origin | AS18415 B-WIZ Technology |
| Origin code | IGP |
| Communities | 174:21201 174:22039 36601:150 36601:174 36601:2001 |
| Updated | 3h 53m ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 134823 18415
| Origin | AS18415 B-WIZ Technology |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 6d 14h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 9924 18415
| Origin | AS18415 B-WIZ Technology |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 3d 14h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS18415 to originate 61.57.240.0/20 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 61.57.240.0/20 | /24 | AS18415 BWIZ | 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 |
|---|---|---|---|---|
| 61.57.240.0/20 | AS18415 BWIZ | NTTCOM | Proxy-registered route object | MAINT-AS9304 |
| 61.57.240.0/20 | AS18415 BWIZ | RADB | B-WIZ Technology Co., Ltd No.230, Sec. 2, Beisin Rd., Sindian City Taipei County 231, Taiwan | MAINT-AS9924 |
| 61.57.240.0/20 | AS9505 TWGATE-AP | REACH | REACH (Customer Route) | MAINT-REACH-NOC |
| 61.57.224.0/19 covering | AS4780 SEEDNET | RADB | SeedNet (Customer Route, Taiwan Broadband Communications,. Ltd) | MAINT-AS4780 |
| 61.57.224.0/19 covering | AS131596 TBCOM-NET | RADB | Far Eastone Telecommunications Co., Ltd | MAINT-AS4780 |
| 61.57.224.0/19 covering | AS17709 APT | REACH | REACH (Customer Route) | MAINT-REACH-NOC |
| 61.57.192.0/18 covering | AS4780 SEEDNET | RADB | SeedNet (Customer Route, Taiwan Broadband Communications,. Ltd) | MAINT-AS4780 |
| 61.57.192.0/18 covering | AS131596 TBCOM-NET | RADB | Far Eastone Telecommunications Co., Ltd | MAINT-AS4780 |
| 61.57.0.0/16 covering | AS9505 TWGATE-AP | REACH | REACH (Customer Route) | MAINT-REACH-NOC |
More specific
Prefixes inside 61.57.240.0/20
17 announced prefixes fall inside this one.
Show the 17 prefixes
61.57.240.0/22 AS18415 BWIZ61.57.240.0/24 AS18415 BWIZ61.57.242.0/24 AS18415 BWIZ61.57.243.0/24 AS18415 BWIZ61.57.244.0/23 AS18415 BWIZ61.57.244.0/24 AS18415 BWIZ61.57.245.0/24 AS18415 BWIZ61.57.246.0/24 AS18415 BWIZ61.57.247.0/24 AS18415 BWIZ61.57.248.0/24 AS18415 BWIZ61.57.249.0/24 AS18415 BWIZ61.57.250.0/24 AS18415 BWIZ61.57.251.0/24 AS18415 BWIZ61.57.252.0/24 AS18415 BWIZ61.57.253.0/24 AS18415 BWIZ61.57.254.0/24 AS18415 BWIZ61.57.255.0/24 AS18415 BWIZ