ResearchRouting table, looking glass, RPKI & IRR

166.123.0.0/16 United States Department of the Treasury

Announced by AS13506 United States Department of the Treasury. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 166.123.0.0/16

Prefix
166.123.0.0/16
Origin
AS13506 US-DEPARTMENT-OF-THE-TREASURY
RPKI
RPKI valid
Size
65,536 addresses
Less specific
none
More specifics
2
IRR route objects
2 exact, 0 covering
In RouteViews
2026-10-13 08:02 UTC
Paths

How 166.123.0.0/16 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 6461 13506×2
OriginAS13506 United States Department of the Treasury
Origin codeincomplete
Communities174:21000 174:22013 36601:150 36601:174 36601:2001
Updated5d 8h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 2914 14244 13506
OriginAS13506 United States Department of the Treasury
Origin codeIGP
Communities903:900 903:13760
Updated2d 22h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 6461 13506×2
OriginAS13506 United States Department of the Treasury
Origin codeIGP
Communities36295:100
Updated5d 16h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 6461 13506×2
OriginAS13506 United States Department of the Treasury
Origin codeIGP
Communitiesnone
Updated5d 16h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 6461 13506×2
OriginAS13506 United States Department of the Treasury
Origin codeincomplete
Communities174:21000 174:22013 36295:100 36295:174
Updated9d 9h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS13506 to originate 166.123.0.0/16 up to /16. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
166.123.0.0/16/16AS13506 US-DEPARTMENT-OF-THE-TREASURYARIN
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
166.123.0.0/16AS13506 US-DEPARTMENT-OF-THE-TREASURYARINDEPARTMENT OF THE TREASURYMNT-UDT-6-Z
166.123.0.0/16AS13506 US-DEPARTMENT-OF-THE-TREASURYRADBFor EGSMAINT-AS14244
More specific

Prefixes inside 166.123.0.0/16

2 announced prefixes fall inside this one.

Show the 2 prefixes
166.123.204.0/24 AS13506 US-DEPARTMENT-OF-THE-TREASURY166.123.208.0/24 AS13506 US-DEPARTMENT-OF-THE-TREASURY
Tools

Check 166.123.0.0/16 live

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