171.33.128.0/21 Signet B.V.
Announced by AS28878 Signet B.V. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 171.33.128.0/21
Prefix
Origin
AS28878 SIGNET-AS
RPKI
RPKI valid
Size
2,048 addresses
Less specific
none
More specifics
0
IRR route objects
2 exact, 0 covering
In RouteViews
2026-10-16 04:02 UTC
Paths
How 171.33.128.0/21 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 12956 24785 49685 39700 28878
| Origin | AS28878 Signet B.V. |
| Origin code | IGP |
| Communities | 174:21000 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 2d 1h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 8455 49685 39700 28878
| Origin | AS28878 Signet B.V. |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 8d 12h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 49685 39700 28878
| Origin | AS28878 Signet B.V. |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 8d 12h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS28878 to originate 171.33.128.0/21 up to /21. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 171.33.128.0/21 | /21 | AS28878 SIGNET-AS | RIPE |
| 171.33.128.0/21 | /24 | AS39700 signetbreedband | RIPE |
| 171.33.128.0/21 | /24 | AS49685 signetbreedband | RIPE |
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 |
|---|---|---|---|---|
| 171.33.128.0/21 | AS28878 SIGNET-AS | RIPE | SIGNETNL | SIGNET-MNT |
| 171.33.128.0/21 | AS39700 signetbreedband | RIPE | signetbreedband | SIGNET-MNT |