2620:121::/48 Cisco Systems, Inc.
Announced by AS55219 Cisco Systems, Inc. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 2620:121::/48
Prefix
Origin
AS55219 SOURCEFIRE-LABS
RPKI
RPKI valid
Size
65,536 /64s
Less specific
More specifics
0
IRR route objects
0 exact, 1 covering
In RouteViews
2026-10-12 08:09 UTC
Paths
How 2620:121::/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 174 701 55219
| Origin | AS55219 Cisco Systems, Inc. |
| Origin code | IGP |
| Communities | 174:21000 174:22013 36601:150 36601:2001 |
| Updated | 4d 8h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 6461 55219
| Origin | AS55219 Cisco Systems, Inc. |
| Origin code | IGP |
| Communities | 903:13760 |
| Updated | 4d 16h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 55219
| Origin | AS55219 Cisco Systems, Inc. |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 4d 16h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS55219 to originate 2620:121::/44 up to /48. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 2620:121::/44 | /48 | AS55219 SOURCEFIRE-LABS | ARIN |
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 |
|---|---|---|---|---|
| 2620:121::/44 covering | AS55219 SOURCEFIRE-LABS | ARIN | Talos Operations 8135 Maple Lawn Blvd Fulton, MD 20759 | MNT-CS-985 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.