ResearchRouting table, looking glass, RPKI & IRR

170.20.128.0/20 CBS inc.

Announced by AS6102 CBS inc. RPKI not found Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 170.20.128.0/20

Prefix

Origin

AS6102 CBSCORPORATE

RPKI

RPKI not found

Size

4,096 addresses

Less specific

More specifics

IRR route objects

1 exact, 5 covering

In RouteViews

2026-10-15 00:02 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 6102

AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 1299 6461 6102

AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 6102

AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 6461 6102

AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 6461 6102

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
170.20.128.0/20	AS6102 CBSCORPORATE	RADB	CBS, Inc.	MAINT-AS6102
170.20.128.0/17 covering	AS6102 CBSCORPORATE	LEVEL3	Proxy-registered route object	LEVEL3-MNT
170.20.128.0/17 covering	AS6102 CBSCORPORATE	RADB	CBS, Inc.	MAINT-AS6102
170.20.0.0/16 covering	AS6641 SPORTSLINE	LEVEL3	Route	CBS-MNT
170.20.0.0/16 covering	AS6102 CBSCORPORATE	RADB	CBS, Inc.	MAINT-AS6102
170.20.0.0/16 covering	AS7256 VIACOM-AS	RADB	PNAP-NYC viacom	MAINT-AS1828

Less specific

Announced prefixes that contain this one, most specific first.

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