37.31.0.0/17 T-Mobile Polska S.A.
Announced by AS12912 T-Mobile Polska S.A. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 37.31.0.0/17
Prefix
Origin
AS12912 TMPL
RPKI
RPKI valid
Size
32,768 addresses
Less specific
More specifics
0
IRR route objects
1 exact, 2 covering
In RouteViews
2026-10-13 08:02 UTC
Paths
How 37.31.0.0/17 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 3320 12912
| Origin | AS12912 T-Mobile Polska S.A. |
| Origin code | IGP |
| Communities | 174:21000 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 5d 8h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 3320 12912
| Origin | AS12912 T-Mobile Polska S.A. |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 5d 17h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 12912
| Origin | AS12912 T-Mobile Polska S.A. |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 17h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS12912 to originate 37.30.0.0/15 up to /17. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 37.30.0.0/15 | /17 | AS12912 TMPL | 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 |
|---|---|---|---|---|
| 37.31.0.0/17 | AS12912 TMPL | RIPE | T-Mobile Poland | AS12912-MNT |
| 37.31.0.0/16 covering | AS12912 TMPL | RIPE | Eranet | AS12912-MNT |
| 37.30.0.0/15 covering | AS12912 TMPL | RIPE | Eranet | AS12912-MNT |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.