131.174.0.0/16 SURF B.V.
Announced by AS1103 SURF B.V. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 131.174.0.0/16
Prefix
Origin
AS1103 SURFNET-NL
RPKI
RPKI valid
Size
65,536 addresses
Less specific
none
More specifics
0
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-12 16:02 UTC
Paths
How 131.174.0.0/16 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 3356 6830 1103
| Origin | AS1103 SURF B.V. |
| Origin code | IGP |
| Communities | 3356:3 3356:86 3356:575 3356:666 3356:901 3356:2258 6830:13000 6830:15478 6830:19013 6830:19023 6830:19103 6830:23001 6830:33128 36601:150 36601:2001 36601:13760 |
| Updated | 2d 0h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 6830 1103
| Origin | AS1103 SURF B.V. |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 2d 0h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 1103
| Origin | AS1103 SURF B.V. |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 4d 7h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS1103 to originate 131.174.0.0/16 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 131.174.0.0/16 | /24 | AS1103 SURFNET-NL | 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 |
|---|---|---|---|---|
| 131.174.0.0/16 | AS1103 SURFNET-NL | RIPE | NUNET | AS1103-MNT |