128.129.40.0/21 CGI Inc.
Announced by AS18563 CGI Inc. RPKI not found Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 128.129.40.0/21
Prefix
Origin
AS18563 CGINET-01
RPKI
RPKI not found
Size
2,048 addresses
Less specific
none
More specifics
0
IRR route objects
3 exact, 0 covering
In RouteViews
2026-10-13 20:02 UTC
Paths
How 128.129.40.0/21 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 6461 18563
| Origin | AS18563 CGI Inc. |
| Origin code | incomplete |
| Communities | 174:21000 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 5d 20h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 6461 18563
| Origin | AS18563 CGI Inc. |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 6d 4h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 18563
| Origin | AS18563 CGI Inc. |
| Origin code | incomplete |
| Communities | 6461:5998 36295:100 36295:6461 |
| Updated | 10h 54m 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 |
|---|---|---|---|---|
| 128.129.40.0/21 | AS19086 CGI-HOSTING | ALTDB | Le Groupe CGI | MAINT-AS21548 |
| 128.129.40.0/21 | AS18563 CGINET-01 | ARIN | MNT-CGIGR-2 route 128.129.040.000/21 AS18563 | MNT-CGIGR-2 |
| 128.129.40.0/21 | AS23498 CDSI | RADB | CGI - 13494-E-1G2109 | MAINT-AS23498 |