ResearchRouting table, looking glass, RPKI & IRR

152.53.128.0/20 netcup GmbH

Announced by AS197540 netcup GmbH. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 152.53.128.0/20

Prefix
152.53.128.0/20
Origin
AS197540 netcup-AS
RPKI
RPKI valid
Size
4,096 addresses
Less specific
none
More specifics
4
IRR route objects
2 exact, 0 covering
In RouteViews
2026-10-13 17:13 UTC
Paths

How 152.53.128.0/20 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 1299 47147 197540
OriginAS197540 netcup GmbH
Origin codeIGP
Communities174:21000 174:22013 36601:150 36601:174 36601:2001
Updated5d 15h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 33891 47147 197540
OriginAS197540 netcup GmbH
Origin codeIGP
Communities903:900 903:13760
Updated6d 0h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 33891 47147 197540
OriginAS197540 netcup GmbH
Origin codeIGP
Communities36295:100
Updated6d 0h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 33891 47147 197540
OriginAS197540 netcup GmbH
Origin codeIGP
Communitiesnone
Updated6d 0h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 1299 47147 197540
OriginAS197540 netcup GmbH
Origin codeIGP
Communities174:21000 174:22013 36295:100 36295:174
Updated9d 17h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS197540 to originate 152.53.128.0/20 up to /22. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
152.53.128.0/20/22AS42473 AS-ANEXIARIPE
152.53.128.0/20/22AS47147 AS-ANXRIPE
152.53.128.0/20/22AS197540 netcup-ASRIPE
152.53.0.0/16/24AS42473 AS-ANEXIARIPE
152.53.0.0/16/24AS47147 AS-ANXRIPE
152.53.0.0/16/24AS197540 netcup-ASRIPE
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
152.53.128.0/20AS42473 AS-ANEXIARIPELocation: DE, NuernbergNETCUP-MNT, ANEXIA-MNT
152.53.128.0/20AS197540 netcup-ASRIPELocation: DE, NuernbergNETCUP-MNT, ANEXIA-MNT
More specific

Prefixes inside 152.53.128.0/20

4 announced prefixes fall inside this one.

Show the 4 prefixes
152.53.128.0/22 AS197540 netcup-AS152.53.132.0/22 AS197540 netcup-AS152.53.136.0/22 AS197540 netcup-AS152.53.140.0/22 AS197540 netcup-AS
Tools

Check 152.53.128.0/20 live

Looking glassIP to ASN APIRPKI APIIRR API