37.156.192.0/20 Vetenskapsradet / SUNET
Announced by AS1653 Vetenskapsradet / SUNET. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 37.156.192.0/20
Prefix
Origin
AS1653 SUNET
RPKI
RPKI valid
Size
4,096 addresses
Less specific
none
More specifics
1
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-14 16:02 UTC
Paths
How 37.156.192.0/20 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 13760 7029 2603 1653
| Origin | AS1653 Vetenskapsradet / SUNET |
| Origin code | IGP |
| Communities | 7029:2089 36601:150 36601:2001 36601:13760 |
| Updated | 14h 3m ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 2603 1653
| Origin | AS1653 Vetenskapsradet / SUNET |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 7d 0h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 2603 1653
| Origin | AS1653 Vetenskapsradet / SUNET |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 7d 0h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS1653 to originate 37.156.192.0/20 up to /26. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 37.156.192.0/20 | /26 | AS1653 SUNET | 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 |
|---|---|---|---|---|
| 37.156.192.0/20 | AS1653 SUNET | RIPE | SUNET-AGGREGATE | SUNET-MNT |
More specific
Prefixes inside 37.156.192.0/20
1 announced prefix fall inside this one.