2a04:5b81:21cf::/48 Marc Ernstberger
Announced by AS214784 Marc Ernstberger. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 2a04:5b81:21cf::/48
Prefix
Origin
AS214784 MARCERNSTBERGER-AS
RPKI
RPKI valid
Size
65,536 /64s
Less specific
More specifics
0
IRR route objects
1 exact, 1 covering
In RouteViews
2026-10-15 20:08 UTC
Paths
How 2a04:5b81:21cf::/48 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 34927 214784
| Origin | AS214784 Marc Ernstberger |
| Origin code | IGP |
| Communities | 174:21101 174:22005 36601:150 36601:2001 |
| Updated | 1d 15h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 6939 214784
| Origin | AS214784 Marc Ernstberger |
| Origin code | IGP |
| Communities | 903:13760 |
| Updated | 8d 2h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 214784
| Origin | AS214784 Marc Ernstberger |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 8d 2h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS214784 to originate 2a04:5b81:21c0::/44 up to /48. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 2a04:5b81:21c0::/44 | /48 | AS214784 MARCERNSTBERGER-AS | RIPE |
| 2a04:5b81:2100::/40 | /48 | AS20473 AS-VULTR | 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 |
|---|---|---|---|---|
| 2a04:5b81:21cf::/48 | AS214784 MARCERNSTBERGER-AS | RIPE | ME - Frankfurt | MARCERNSTBERGER-MNT |
| 2a04:5b81:21c0::/44 covering | AS214784 MARCERNSTBERGER-AS | RIPE | N | INTERWEBS, MARCERNSTBERGER-MNT |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.