2a01:1b0:c000::/44 'Nothing But Air' Services B.V.
Announced by AS51923 'Nothing But Air' Services B.V. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 2a01:1b0:c000::/44
Prefix
Origin
AS51923 NBA-AS
RPKI
RPKI valid
Size
1,048,576 /64s
Less specific
More specifics
0
IRR route objects
1 exact, 2 covering
In RouteViews
2026-10-15 12:09 UTC
Paths
How 2a01:1b0:c000::/44 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 6830 31477 51923
| Origin | AS51923 'Nothing But Air' Services B.V. |
| Origin code | IGP |
| Communities | 174:21000 174:22013 36601:150 36601:2001 |
| Updated | 7d 11h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 1299 31477 51923
| Origin | AS51923 'Nothing But Air' Services B.V. |
| Origin code | IGP |
| Communities | 903:13760 |
| Updated | 7d 19h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 31477 51923
| Origin | AS51923 'Nothing But Air' Services B.V. |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 7d 19h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS51923 to originate 2a01:1b0:c000::/44 up to /44. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 2a01:1b0:c000::/44 | /44 | AS51923 NBA-AS | RIPE |
| 2a01:1b0::/32 | /32 | AS31477 DUOCAST-AS | 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 |
|---|---|---|---|---|
| 2a01:1b0:c000::/44 | AS51923 NBA-AS | RIPE | NBAS | MNT-DUOCAST |
| 2a01:1b0:c000::/34 covering | AS31477 DUOCAST-AS | RIPE | Duocast IPV6 .. | MNT-DUOCAST |
| 2a01:1b0::/32 covering | AS31477 DUOCAST-AS | RIPE | Duocast | MNT-DUOCAST |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.