83.103.0.0/17 Fastweb SpA
Announced by AS12874 Fastweb SpA. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 83.103.0.0/17
Prefix
Origin
AS12874 FASTWEB
RPKI
RPKI valid
Size
32,768 addresses
Less specific
none
More specifics
2
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-12 12:02 UTC
Paths
How 83.103.0.0/17 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 13760 3356 12874
| Origin | AS12874 Fastweb SpA |
| Origin code | IGP |
| Communities | 3356:2 3356:22 3356:100 3356:123 3356:505 3356:901 3356:2074 36601:150 36601:2001 36601:13760 65002:3320 |
| Updated | 4d 10h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 12874
| Origin | AS12874 Fastweb SpA |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 4d 19h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 3303 12874
| Origin | AS12874 Fastweb SpA |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 4d 19h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS12874 to originate 83.103.0.0/17 up to /17. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 83.103.0.0/17 | /17 | AS12874 FASTWEB | 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 |
|---|---|---|---|---|
| 83.103.0.0/17 | AS12874 FASTWEB | RIPE | Fastweb Networks block | FASTWEB-MNT |
More specific
Prefixes inside 83.103.0.0/17
2 announced prefixes fall inside this one.