ResearchRouting table, looking glass, RPKI & IRR

12.159.148.0/22 CISCO SYSTEMS, INC.

Announced by AS109 CISCO SYSTEMS, INC. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 12.159.148.0/22

Prefix
12.159.148.0/22
Origin
AS109 CISCOSYSTEMS
RPKI
RPKI valid
Size
1,024 addresses
Less specific
12.128.0.0/9 AS7018 ATT-INTERNET4
More specifics
0
IRR route objects
2 exact, 2 covering
In RouteViews
2026-10-13 20:02 UTC
Paths

How 12.159.148.0/22 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 3356 109
OriginAS109 CISCO SYSTEMS, INC.
Origin codeIGP
Communities3356:3 3356:22 3356:100 3356:123 3356:575 3356:901 3356:2031 36601:150 36601:2001 36601:13760
Updated5d 18h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 109
OriginAS109 CISCO SYSTEMS, INC.
Origin codeIGP
Communities903:900 903:13760
Updated6d 2h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 109
OriginAS109 CISCO SYSTEMS, INC.
Origin codeIGP
Communities36295:100
Updated6d 2h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 109
OriginAS109 CISCO SYSTEMS, INC.
Origin codeIGP
Communitiesnone
Updated6d 2h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 3356 109
OriginAS109 CISCO SYSTEMS, INC.
Origin codeIGP
Communities174:21000 174:22013 36295:100 36295:174
Updated9d 19h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS109 to originate 12.159.148.0/22 up to /24. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
12.159.148.0/22/24AS109 CISCOSYSTEMSARIN
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
12.159.148.0/22AS109 CISCOSYSTEMSARINAT&T Enterprises, LLCMNT-AEL-360
12.159.148.0/22AS109 CISCOSYSTEMSRADBCISCO SYSTEMS, INC 170 WEST TASMAN DRIVE SAN JOSE, CA 95134 US RP-RTPMAINT-AS109
12.128.0.0/9 coveringAS7018 ATT-INTERNET4ARIN12/8 upper halfMNT-AEL-360
12.0.0.0/8 coveringAS7018 ATT-INTERNET4ARINATT_NET-TWELVEMNT-AEL-360
Less specific

Covering prefixes

Announced prefixes that contain this one, most specific first.

12.128.0.0/9 AS7018 ATT-INTERNET412.0.0.0/8 AS7018 ATT-INTERNET4
Tools

Check 12.159.148.0/22 live

Looking glassIP to ASN APIRPKI APIIRR API