ResearchRouting table, looking glass, RPKI & IRR

152.175.4.0/23 ISIF OU

Announced by AS209554 ISIF OU. RPKI valid Seen by 0 of our 5 looking glass sessions.

Summary

What the table says about 152.175.4.0/23

Prefix
152.175.4.0/23
Origin
AS209554 ISIF-AS
RPKI
RPKI valid
Size
512 addresses
Less specific
152.175.4.0/22 AS209554 ISIF-AS
More specifics
0
IRR route objects
1 exact, 11 covering
In RouteViews
2026-10-13 08:02 UTC
RPKI

Route origin authorizations

Covered by a ROA authorizing AS209554 to originate 152.175.4.0/22 up to /24. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
152.175.4.0/22/24AS209554 ISIF-ASRIPE
152.175.0.0/19/24AS218922 ISIF-SDNRIPE
152.175.0.0/17/24AS8126 CLOUDFABRICRIPE
152.175.0.0/16/24AS49304 SAKURA-ASRIPE
152.175.0.0/16/24AS202069 SKR-DERIPE
IRR

Route objects

Registered in the IRR for this prefix and the ones covering it. Look it up live.

RouteOriginSourceDescriptionMaintained by
152.175.4.0/23AS49304 SAKURA-ASRADBSAKURA LINK LIMITEDMAINT-AS49304
152.175.4.0/22 coveringAS49304 SAKURA-ASRADBSAKURA LINK LIMITEDMAINT-AS49304
152.175.4.0/22 coveringAS209554 ISIF-ASRIPENLIR-HK-SKR-1-MNT
152.175.4.0/22 coveringAS218922 ISIF-SDNRIPENLIR-HK-SKR-1-MNT
152.175.0.0/21 coveringAS49304 SAKURA-ASRADBSAKURA LINK LIMITEDMAINT-AS49304
152.175.0.0/20 coveringAS49304 SAKURA-ASRADBSAKURA LINK LIMITEDMAINT-AS49304
152.175.0.0/19 coveringAS49304 SAKURA-ASRADBSAKURA LINK LIMITEDMAINT-AS49304
152.175.0.0/18 coveringAS49304 SAKURA-ASRADBSAKURA LINK LIMITEDMAINT-AS49304
152.175.0.0/17 coveringAS49304 SAKURA-ASRADBSAKURA LINK LIMITEDMAINT-AS49304
152.175.0.0/16 coveringAS49304 SAKURA-ASRADBSAKURA LINK LIMITEDMAINT-AS49304
152.175.0.0/16 coveringAS49304 SAKURA-ASRIPENLIR-HK-SKR-1-MNT
152.175.0.0/16 coveringAS202069 SKR-DERIPENLIR-HK-SKR-1-MNT
Less specific

Covering prefixes

Announced prefixes that contain this one, most specific first.

152.175.4.0/22 AS209554 ISIF-AS
Tools

Check 152.175.4.0/23 live

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