204.10.176.0/21 DCM Cable Inc.
Announced by AS1819 DCM Cable Inc. RPKI not found Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 204.10.176.0/21
Prefix
Origin
AS1819 DCM-CABLE
RPKI
RPKI not found
Size
2,048 addresses
Less specific
none
More specifics
5
IRR route objects
3 exact, 0 covering
In RouteViews
2026-10-15 04:02 UTC
Paths
How 204.10.176.0/21 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 3257 22773 1819×6
| Origin | AS1819 DCM Cable Inc. |
| Origin code | IGP |
| Communities | 174:21000 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 7d 1h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 1299 22773 1819×6
| Origin | AS1819 DCM Cable Inc. |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 7d 10h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 22773 1819×6
| Origin | AS1819 DCM Cable Inc. |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 7d 10h ago |
RPKI
Route origin authorizations
No ROA covers this prefix, so RPKI has nothing to say about who may originate it. Validate another origin.
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 |
|---|---|---|---|---|
| 204.10.176.0/21 | AS1819 DCM-CABLE | LEVEL3 | DCM Route | AS1819-MNT |
| 204.10.176.0/21 | AS22561 CENTURYLINK-LEGACY-LIGHTCORE | LEVEL3 | bulk-add | LIGHTCORE-MNT |
| 204.10.176.0/21 | AS10674 GRUCOM | RADB | Peer1 Route Object | MAINT-AS13768 |
More specific
Prefixes inside 204.10.176.0/21
5 announced prefixes fall inside this one.