81.21.136.0/24 Signet B.V.
Announced by AS31586 Signet B.V. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 81.21.136.0/24
Prefix
Origin
AS31586 AS-TBNLTN
RPKI
RPKI valid
Size
256 addresses
Less specific
More specifics
0
IRR route objects
1 exact, 2 covering
In RouteViews
2026-10-14 20:02 UTC
Paths
How 81.21.136.0/24 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 31586
| Origin | AS31586 Signet B.V. |
| Origin code | IGP |
| Communities | 174:21000 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 16h 12m ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 8455 49685 39700 31586
| Origin | AS31586 Signet B.V. |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 7d 2h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 49685 39700 31586
| Origin | AS31586 Signet B.V. |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 7d 2h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS31586 to originate 81.21.136.0/24 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 81.21.136.0/24 | /24 | AS31586 AS-TBNLTN | RIPE |
| 81.21.136.0/21 | /21 | AS28878 SIGNET-AS | RIPE |
| 81.21.136.0/21 | /24 | AS39700 signetbreedband | RIPE |
| 81.21.136.0/21 | /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 |
|---|---|---|---|---|
| 81.21.136.0/24 | AS31586 AS-TBNLTN | RIPE | N | SIGNET-MNT |
| 81.21.136.0/21 covering | AS28878 SIGNET-AS | RIPE | SIGNETNL | SIGNET-MNT |
| 81.21.136.0/21 covering | AS39700 signetbreedband | RIPE | signetbreedband | SIGNET-MNT |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.