37.63.43.0/24 A1 Bulgaria EAD
Announced by AS29580 A1 Bulgaria EAD. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 37.63.43.0/24
Prefix
Origin
AS29580 A1BG_RSG
RPKI
RPKI valid
Size
256 addresses
Less specific
More specifics
0
IRR route objects
1 exact, 1 covering
In RouteViews
2026-10-12 16:02 UTC
Paths
How 37.63.43.0/24 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 8717 29580
| Origin | AS29580 A1 Bulgaria EAD |
| Origin code | IGP |
| Communities | 3356:2 3356:22 3356:100 3356:123 3356:514 3356:901 3356:2087 36601:150 36601:2001 36601:13760 |
| Updated | 4d 14h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 8717 29580
| Origin | AS29580 A1 Bulgaria EAD |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 4d 23h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 8717 29580
| Origin | AS29580 A1 Bulgaria EAD |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 4d 22h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS29580 to originate 37.63.43.0/24 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 37.63.43.0/24 | /24 | AS29580 A1BG_RSG | RIPE |
| 37.63.0.0/17 | /17 | AS8717 A1BG | 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 |
|---|---|---|---|---|
| 37.63.43.0/24 | AS29580 A1BG_RSG | RIPE | A1BG_RSBG_SFL | SPNET-MNT, HOMELAN-MNT |
| 37.63.0.0/17 covering | AS8717 A1BG | RIPE | Spectrum Net Jsc | SPNET-MNT |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.