ResearchRouting table, looking glass, RPKI & IRR

178.22.141.0/24 Simwood eSMS Limited

Announced by AS42353 Simwood eSMS Limited. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 178.22.141.0/24

Prefix

Origin

AS42353 SIMWOOD

RPKI

RPKI valid

Size

256 addresses

Less specific

More specifics

IRR route objects

1 exact, 2 covering

In RouteViews

2026-10-12 16:02 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 42353

AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 2914 42353

AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 1299 2914 42353

AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 42353

AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 42353

RPKI

Covered by a ROA authorizing AS42353 to originate 178.22.141.0/24 up to /24. Validate another origin.

ROA prefix	Max length	Authorized origin	Trust anchor
178.22.141.0/24	/24	AS42353 SIMWOOD	RIPE
178.22.140.0/23	/23	AS42353 SIMWOOD	RIPE
178.22.136.0/21	/21	AS42353 SIMWOOD	RIPE

IRR

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

Route	Origin	Source	Description	Maintained by
178.22.141.0/24	AS42353 SIMWOOD	RIPE	Simwood eSMS Limited (Slough Customers)	SIMWOOD-MNT
178.22.140.0/23 covering	AS42353 SIMWOOD	RIPE	Simwood eSMS Limited (Slough)	SIMWOOD-MNT
178.22.136.0/21 covering	AS42353 SIMWOOD	RIPE	Simwood eSMS Limited (UK)	SIMWOOD-MNT

Less specific

Announced prefixes that contain this one, most specific first.

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