ResearchRouting table, looking glass, RPKI & IRR

66.136.0.0/13 AT&T Enterprises, LLC

Announced by AS7018 AT&T Enterprises, LLC. RPKI not found Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 66.136.0.0/13

Prefix
66.136.0.0/13
Origin
AS7018 ATT-INTERNET4
RPKI
RPKI not found
Size
524,288 addresses
Less specific
none
More specifics
12
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-12 02:24 UTC
Paths

How 66.136.0.0/13 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 7018
OriginAS7018 AT&T Enterprises, LLC
Origin codeIGP
Communities174:21000 174:22013 36601:150 36601:174 36601:2001
Updated4d 0h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 7018
OriginAS7018 AT&T Enterprises, LLC
Origin codeIGP
Communities903:900 903:13760
Updated4d 8h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 7018
OriginAS7018 AT&T Enterprises, LLC
Origin codeIGP
Communities36295:100
Updated4d 8h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 7018
OriginAS7018 AT&T Enterprises, LLC
Origin codeIGP
Communities174:21000 174:22013
Updated4d 8h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 7018
OriginAS7018 AT&T Enterprises, LLC
Origin codeIGP
Communities174:21000 174:22013 36295:100 36295:174
Updated8d 1h ago
RPKI

Route origin authorizations

No ROA covers this prefix, so RPKI has nothing to say about who may originate it. Validate another origin.

IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
66.136.0.0/13AS7132 SBIS-ASRADBSBC Nationwide Backbone SBC Internet ServicesMAINT-AS7132
More specific

Prefixes inside 66.136.0.0/13

12 announced prefixes fall inside this one.

Show the 12 prefixes
66.136.40.0/24 AS18674 FROST-BANK66.136.112.0/24 AS32505 DWL-MAIN66.138.158.0/24 AS4917 AMDOCS-AS66.138.250.0/24 AS46511 MMC-02666.139.27.0/24 AS395238 BRAZOSPORTISD-0166.140.111.0/24 AS10421 TTUNET66.141.192.0/23 AS400218 CHEROKEE-NATION-GOV66.141.233.0/24 AS29790 NEW-LIBERTY-HOSPITAL66.142.195.0/24 AS27268 CHICKASAW66.142.244.0/24 AS46202 MICHAELS-ATT-DS366.142.245.0/24 AS11427 TWC-11427-TEXAS66.143.174.0/24 AS5671 PBI-NET-BLK
Tools

Check 66.136.0.0/13 live

Looking glassIP to ASN APIRPKI APIIRR API