ResearchRouting table, looking glass, RPKI & IRR

204.146.159.0/24 Level 3 Parent, LLC

Announced by AS203 Level 3 Parent, LLC. RPKI invalid Seen by 2 of our 5 looking glass sessions.

Summary

What the table says about 204.146.159.0/24

Prefix
204.146.159.0/24
Origin
AS203 CENTURYLINK-LEGACY-LVLT-203
RPKI
RPKI invalid
Size
256 addresses
Less specific
204.146.0.0/16 AS7018 ATT-INTERNET4
More specifics
0
IRR route objects
0 exact, 1 covering
In RouteViews
2026-10-13 20:02 UTC
Paths

How 204.146.159.0/24 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 3356 203
OriginAS203 Level 3 Parent, LLC
Origin codeIGP
Communities202:73 3356:3 3356:22 3356:123 3356:187 3356:189 3356:400 3356:575 3356:600 3356:2050 3549:600
Updated5d 17h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 203
OriginAS203 Level 3 Parent, LLC
Origin codeIGP
Communities903:900 903:13760
Updated6d 1h ago
RPKI

Route origin authorizations

The covering ROA authorizes a different AS to originate this prefix. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
204.146.159.0/24/24AS7018 ATT-INTERNET4ARIN
204.146.0.0/16/16AS7018 ATT-INTERNET4ARIN
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
204.146.0.0/16 coveringAS7018 ATT-INTERNET4ARINAT&T Enterprises, LLCMNT-AEL-360
Less specific

Covering prefixes

Announced prefixes that contain this one, most specific first.

204.146.0.0/16 AS7018 ATT-INTERNET4
Tools

Check 204.146.159.0/24 live

Looking glassIP to ASN APIRPKI APIIRR API