154.206.240.0/21 GTT Communications Inc.
Announced by AS3257 GTT Communications Inc. RPKI invalid Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 154.206.240.0/21
Prefix
Origin
AS3257 GTT-BACKBONE
RPKI
RPKI invalid
Size
2,048 addresses
Less specific
More specifics
0
IRR route objects
0 exact, 2 covering
In RouteViews
2026-10-15 00:02 UTC
RPKI
Route origin authorizations
The covering ROA authorizes a different AS to originate this prefix. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 154.206.240.0/20 | /24 | AS131274 CYPRESSTEL-HK | AFRINIC |
| 154.206.0.0/16 | /24 | AS17561 LCS-AS-AP | AFRINIC |
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 |
|---|---|---|---|---|
| 154.206.240.0/20 covering | AS131274 CYPRESSTEL-HK | AFRINIC | Cypresstel Global Network | LARUS-SERVICE-MNT |
| 154.206.240.0/20 covering | AS131274 CYPRESSTEL-HK | RADB | Cypresstel_Global_Network | MAINT-LARUS |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.