123.66.128.0/18 China TieTong Telecommunications Corporation
Announced by AS24138 China TieTong Telecommunications Corporation. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 123.66.128.0/18
Prefix
Origin
AS24138 CTTNET
RPKI
RPKI valid
Size
16,384 addresses
Less specific
More specifics
4
IRR route objects
0 exact, 2 covering
In RouteViews
2026-10-15 20:02 UTC
Paths
How 123.66.128.0/18 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 58453 9808 9394 24138
| Origin | AS24138 China TieTong Telecommunications Corporation |
| Origin code | IGP |
| Communities | 174:21101 174:22012 36601:150 36601:174 36601:2001 |
| Updated | 7d 18h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 58453 9808 9394 24138
| Origin | AS24138 China TieTong Telecommunications Corporation |
| 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 58453 9808 9394 24138
| Origin | AS24138 China TieTong Telecommunications Corporation |
| Origin code | IGP |
| Communities | 6461:5997 36295:100 36295:6461 |
| Updated | 7h 37m ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS24138 to originate 123.66.128.0/18 up to /18. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 123.66.128.0/18 | /18 | AS24138 CTTNET | APNIC |
| 123.66.128.0/17 | /17 | AS24138 CTTNET | APNIC |
| 123.66.0.0/16 | /16 | AS9394 CTTNET | APNIC |
| 123.66.0.0/16 | /16 | AS24138 CTTNET | APNIC |
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 |
|---|---|---|---|---|
| 123.66.0.0/16 covering | AS9394 CTTNET | RADB | Proxy-registered route object | MAINT-AS9304 |
| 123.64.0.0/11 covering | AS9394 CTTNET | RADB | PACNET (proxy-registered route object) | MAINT-AS4637 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.
More specific
Prefixes inside 123.66.128.0/18
4 announced prefixes fall inside this one.