ResearchRouting table, looking glass, RPKI & IRR

170.171.0.0/21 Random House, Inc.

Announced by AS11790 Random House, Inc. RPKI not found Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 170.171.0.0/21

Prefix

Origin

AS11790 RANDOMHOUSE

RPKI

RPKI not found

Size

2,048 addresses

Less specific

More specifics

IRR route objects

1 exact, 4 covering

In RouteViews

2026-10-13 20:02 UTC

Paths

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 46887 11790

AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 6461 46887 11790

AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 46887 11790

AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 6461 46887 11790

AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 6461 46887 11790

RPKI

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

IRR

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

Route	Origin	Source	Description	Maintained by
170.171.0.0/21	AS46887 CROWNCASTLE-AS46887	RADB	N	MAINT-AS27506
170.171.0.0/20 covering	AS11790 RANDOMHOUSE	ARIN	1745 Broadway New York NY 10019 United States	MNT-RANDOM-4
170.171.0.0/17 covering	AS11790 RANDOMHOUSE	RADB	Random House, Inc.	MAINT-AS27506
170.171.0.0/16 covering	AS11790 RANDOMHOUSE	RADB	Penguin Random House, LLC	MAINT-AS27506
170.171.0.0/16 covering	AS46887 CROWNCASTLE-AS46887	RADB	Penguin Random House, LLC	MAINT-AS27506

Less specific

Announced prefixes that contain this one, most specific first.

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