208.56.128.0/19 Thacker-Grigsby Communications
Announced by AS1640 Thacker-Grigsby Communications. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 208.56.128.0/19
Prefix
Origin
AS1640 TGTEL
RPKI
RPKI valid
Size
8,192 addresses
Less specific
none
More specifics
0
IRR route objects
1 exact, 3 covering
In RouteViews
2026-10-15 04:02 UTC
Paths
How 208.56.128.0/19 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 6939 1640
| Origin | AS1640 Thacker-Grigsby Communications |
| Origin code | IGP |
| Communities | 13760:3002 36601:150 36601:2001 36601:13760 |
| Updated | 23h 36m ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 6939 1640
| Origin | AS1640 Thacker-Grigsby Communications |
| 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 1640
| Origin | AS1640 Thacker-Grigsby Communications |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 7d 10h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS1640 to originate 208.56.128.0/19 up to /19. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 208.56.128.0/19 | /19 | AS1640 TGTEL | 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 |
|---|---|---|---|---|
| 208.56.128.0/19 | AS1640 TGTEL | ARIN | PO Box 789 60 Communications Lane Hindman KY 41822 United States | MNT-TT-275 |
| 208.56.0.0/16 covering | AS11022 ALABANZA-BALT | LEVEL3 | Proxy-registered route object | LEVEL3-MNT |
| 208.56.0.0/16 covering | AS33321 ZAYO-33321 | LEVEL3 | Balticore | LITECAST-MNT |
| 208.56.0.0/16 covering | AS14135 NAVISITE-EAST-2 | RADB | NaviSite-ANMA1-Alabanza | MAINT-AS4544 |