ResearchRouting table, looking glass, RPKI & IRR

209.133.71.0/24 ZILLOW, INC.

Announced by AS18888 ZILLOW, INC. RPKI valid Seen by 5 of our 5 looking glass sessions.

What the table says about 209.133.71.0/24

Origin
AS18888 AS-ZILLOW
RPKI
RPKI valid
Size
256 addresses
More specifics
0
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-13 20:02 UTC

How 209.133.71.0/24 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 174 6461 18888
OriginAS18888 ZILLOW, INC.
Origin codeIGP
Communities174:21000 174:22013 36601:150 36601:174 36601:2001
Updated5d 20h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 6461 18888
OriginAS18888 ZILLOW, INC.
Origin codeIGP
Communities903:900 903:13760
Updated6d 5h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 18888
OriginAS18888 ZILLOW, INC.
Origin codeIGP
Communities6461:5998 36295:100 36295:6461
Updated11h 5m ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 6461 18888
OriginAS18888 ZILLOW, INC.
Origin codeIGP
Communitiesnone
Updated6d 5h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 6461 18888
OriginAS18888 ZILLOW, INC.
Origin codeIGP
Communities174:21000 174:22013 36295:100 36295:174
Updated9d 22h ago

Route origin authorizations

Covered by a ROA authorizing AS18888 to originate 209.133.71.0/24 up to /24. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
209.133.71.0/24/24AS18888 AS-ZILLOWARIN
209.133.0.0/17/17AS6461 ZAYO-6461ARIN

Route objects

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

RouteOriginSourceDescriptionMaintained by
209.133.71.0/24AS18888 AS-ZILLOWARINzillow.com IRV 2600 Michelson Drive Irvine, CA 92612 USMNT-ZILLO

Covering prefixes

Announced prefixes that contain this one, most specific first.

Check 209.133.71.0/24 live