152.175.4.0/22 ISIF OU
Announced by AS209554 ISIF OU. RPKI valid Seen by 4 of our 5 looking glass sessions.
Summary
What the table says about 152.175.4.0/22
Prefix
Origin
AS209554 ISIF-AS
RPKI
RPKI valid
Size
1,024 addresses
Less specific
none
More specifics
2
IRR route objects
3 exact, 8 covering
In RouteViews
2026-10-13 12:02 UTC
Paths
How 152.175.4.0/22 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 137409 9516 49304 209554
| Origin | AS209554 ISIF OU |
| Origin code | IGP |
| Communities | 13760:3002 36601:150 36601:2001 36601:13760 137409:137409:137409 |
| Updated | 5d 13h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 137409 9516 49304 209554
| Origin | AS209554 ISIF OU |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 5d 21h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS209554 to originate 152.175.4.0/22 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 152.175.4.0/22 | /24 | AS209554 ISIF-AS | RIPE |
| 152.175.0.0/19 | /24 | AS218922 ISIF-SDN | RIPE |
| 152.175.0.0/17 | /24 | AS8126 CLOUDFABRIC | RIPE |
| 152.175.0.0/16 | /24 | AS49304 SAKURA-AS | RIPE |
| 152.175.0.0/16 | /24 | AS202069 SKR-DE | RIPE |
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 |
|---|---|---|---|---|
| 152.175.4.0/22 | AS49304 SAKURA-AS | RADB | SAKURA LINK LIMITED | MAINT-AS49304 |
| 152.175.4.0/22 | AS209554 ISIF-AS | RIPE | N | LIR-HK-SKR-1-MNT |
| 152.175.4.0/22 | AS218922 ISIF-SDN | RIPE | N | LIR-HK-SKR-1-MNT |
| 152.175.0.0/21 covering | AS49304 SAKURA-AS | RADB | SAKURA LINK LIMITED | MAINT-AS49304 |
| 152.175.0.0/20 covering | AS49304 SAKURA-AS | RADB | SAKURA LINK LIMITED | MAINT-AS49304 |
| 152.175.0.0/19 covering | AS49304 SAKURA-AS | RADB | SAKURA LINK LIMITED | MAINT-AS49304 |
| 152.175.0.0/18 covering | AS49304 SAKURA-AS | RADB | SAKURA LINK LIMITED | MAINT-AS49304 |
| 152.175.0.0/17 covering | AS49304 SAKURA-AS | RADB | SAKURA LINK LIMITED | MAINT-AS49304 |
| 152.175.0.0/16 covering | AS49304 SAKURA-AS | RADB | SAKURA LINK LIMITED | MAINT-AS49304 |
| 152.175.0.0/16 covering | AS49304 SAKURA-AS | RIPE | N | LIR-HK-SKR-1-MNT |
| 152.175.0.0/16 covering | AS202069 SKR-DE | RIPE | N | LIR-HK-SKR-1-MNT |
More specific
Prefixes inside 152.175.4.0/22
2 announced prefixes fall inside this one.