66.171.121.0/24 Chunghwa Telecom Global, INC
Announced by AS33717 Chunghwa Telecom Global, INC. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 66.171.121.0/24
Prefix
Origin
AS33717 CHT-GLOBAL
RPKI
RPKI valid
Size
256 addresses
Less specific
none
More specifics
0
IRR route objects
1 exact, 2 covering
In RouteViews
2026-10-15 20:02 UTC
Paths
How 66.171.121.0/24 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 13760 7029 1299 33717
| Origin | AS33717 Chunghwa Telecom Global, INC |
| Origin code | IGP |
| Communities | 7029:2090 36601:150 36601:2001 36601:13760 |
| Updated | 1d 17h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 1299 33717
| Origin | AS33717 Chunghwa Telecom Global, INC |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 8d 3h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 1299 33717
| Origin | AS33717 Chunghwa Telecom Global, INC |
| Origin code | IGP |
| Communities | 6461:5997 36295:100 36295:6461 |
| Updated | 1d 5h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS33717 to originate 66.171.120.0/21 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 66.171.120.0/21 | /24 | AS33717 CHT-GLOBAL | 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 |
|---|---|---|---|---|
| 66.171.121.0/24 | AS33717 CHT-GLOBAL | RADB | TWGate Customer route Chunghwa Telecom Global, INC 2107 N. First Street, suite 580 San Jose CA US | MAINT-AS9505 |
| 66.171.120.0/21 covering | AS33717 CHT-GLOBAL | RADB | TWGate Customer route Chunghwa Telecom Global, INC 2107 N. First Street, suite 580 San Jose CA US | MAINT-AS9505 |
| 66.171.112.0/20 covering | AS9505 TWGATE-AP | RADB | TWGate Chunghwa Telecom Global, INC 2107 N. First Street, suite 580 San Jose CA US | MAINT-AS9505 |