2001:648:2120::/48 National Center of Scientific Research DEMOKRITOS
Announced by AS2546 National Center of Scientific Research DEMOKRITOS. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 2001:648:2120::/48
Prefix
Origin
AS2546 ARIADNE-T
RPKI
RPKI valid
Size
65,536 /64s
Less specific
More specifics
0
IRR route objects
1 exact, 1 covering
In RouteViews
2026-10-12 12:08 UTC
Paths
How 2001:648:2120::/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 21320 5408 2546
| Origin | AS2546 National Center of Scientific Research DEMOKRITOS |
| Origin code | IGP |
| Communities | 174:21101 174:22018 36601:150 36601:2001 |
| Updated | 4d 11h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 21320 5408 2546
| Origin | AS2546 National Center of Scientific Research DEMOKRITOS |
| Origin code | IGP |
| Communities | 903:13760 |
| Updated | 4d 19h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 21320 5408 2546
| Origin | AS2546 National Center of Scientific Research DEMOKRITOS |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 4d 19h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS2546 to originate 2001:648:2120::/48 up to /48. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 2001:648:2120::/48 | /48 | AS2546 ARIADNE-T | RIPE |
| 2001:648::/29 | /48 | AS5408 GR-NET | 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 |
|---|---|---|---|---|
| 2001:648:2120::/48 | AS2546 ARIADNE-T | RIPE | Ariadne-t Network | AS2546-MNT, GRNET-NOC |
| 2001:648::/29 covering | AS5408 GR-NET | RIPE | GRNETv6 | GRNET-NOC |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.