37.186.64.0/18 GNC-Alfa CJSC
Announced by AS49800 GNC-Alfa CJSC. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 37.186.64.0/18
Prefix
Origin
AS49800 GNC-ALFA
RPKI
RPKI valid
Size
16,384 addresses
Less specific
none
More specifics
4
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-13 17:13 UTC
Paths
How 37.186.64.0/18 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 12389 49800
| Origin | AS49800 GNC-Alfa CJSC |
| Origin code | IGP |
| Communities | 174:21101 174:22005 36601:150 36601:174 36601:2001 |
| Updated | 5d 14h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 1299 49800
| Origin | AS49800 GNC-Alfa CJSC |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 5d 23h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 49800
| Origin | AS49800 GNC-Alfa CJSC |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 23h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS49800 to originate 37.186.64.0/18 up to /18. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 37.186.64.0/18 | /18 | AS49800 GNC-ALFA | 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 |
|---|---|---|---|---|
| 37.186.64.0/18 | AS49800 GNC-ALFA | RIPE | GNC Route | MNT-GNC |
More specific
Prefixes inside 37.186.64.0/18
4 announced prefixes fall inside this one.