173.240.128.0/20 NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATION
Announced by AS16433 NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATION. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 173.240.128.0/20
Prefix
Origin
AS16433 NCTC-ISP
RPKI
RPKI valid
Size
4,096 addresses
Less specific
none
More specifics
2
IRR route objects
3 exact, 0 covering
In RouteViews
2026-10-15 00:02 UTC
Paths
How 173.240.128.0/20 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 11758 16433
| Origin | AS16433 NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATION |
| Origin code | incomplete |
| Communities | 174:21001 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 21h 48m ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 11979 16433
| Origin | AS16433 NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATION |
| Origin code | incomplete |
| Communities | 903:900 903:13760 |
| Updated | 7d 8h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 11758 16433
| Origin | AS16433 NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATION |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 7d 8h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS16433 to originate 173.240.128.0/20 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 173.240.128.0/20 | /24 | AS16433 NCTC-ISP | 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 |
|---|---|---|---|---|
| 173.240.128.0/20 | AS16433 NCTC-ISP | ALTDB | Proxy Registered by IRIS Networks for North Central Telephone Coop | MAINT-TITGL |
| 173.240.128.0/20 | AS16433 NCTC-ISP | LEVEL3 | ROUTE OBJECT | API-MNT |
| 173.240.128.0/20 | AS16433 NCTC-ISP | RADB | Proxy Registered by IRIS Networks for North Central Telephone Coop | MAINT-AS11758 |
More specific
Prefixes inside 173.240.128.0/20
2 announced prefixes fall inside this one.