ResearchRouting table, looking glass, RPKI & IRR

187.5.4.0/23 IDC Cube

Announced by AS401776 IDC Cube. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 187.5.4.0/23

Prefix
187.5.4.0/23
Origin
AS401776 AS-CUSTOMER
RPKI
RPKI valid
Size
512 addresses
Less specific
none
More specifics
2
IRR route objects
3 exact, 0 covering
In RouteViews
2026-10-12 08:02 UTC
Paths

How 187.5.4.0/23 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 36530×2 401776
OriginAS401776 IDC Cube
Origin codeIGP
Communities174:21201 174:22032 36601:150 36601:174 36601:2001 36530:130810101:0 36530:130810104:0 36530:130810107:0 36530:330810100:2100 36530:381666610:0
Updated1d 10h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 6453 17433 36530 401776
OriginAS401776 IDC Cube
Origin codeIGP
Communities903:900 903:13760
Updated10h 44m ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 36530 401776
OriginAS401776 IDC Cube
Origin codeIGP
Communities36295:100
Updated1d 8h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 36530 401776
OriginAS401776 IDC Cube
Origin codeIGP
Communitiesnone
Updated1d 8h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 36530×2 401776
OriginAS401776 IDC Cube
Origin codeIGP
Communities174:21201 174:22032 36295:100 36295:174 36530:130810101:0 36530:130810104:0 36530:130810107:0 36530:330810100:2100 36530:381666610:0
Updated1d 10h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS401776 to originate 187.5.4.0/23 up to /24. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
187.5.4.0/23/24AS36530 FUTURE-LAINRIPE
187.5.4.0/23/24AS401776 AS-CUSTOMERRIPE
187.5.4.0/23/24AS402628 ACUBENETRIPE
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
187.5.4.0/23AS36530 FUTURE-LAINRIPENAUBREY-MNT
187.5.4.0/23AS401776 AS-CUSTOMERRIPENAUBREY-MNT
187.5.4.0/23AS402628 ACUBENETRIPENAUBREY-MNT
More specific

Prefixes inside 187.5.4.0/23

2 announced prefixes fall inside this one.

Show the 2 prefixes
187.5.4.0/24 AS401776 AS-CUSTOMER187.5.5.0/24 AS401776 AS-CUSTOMER
Tools

Check 187.5.4.0/23 live

Looking glassIP to ASN APIRPKI APIIRR API