ResearchRouting table, looking glass, RPKI & IRR

203.123.192.0/19 SK Broadband Co Ltd

Announced by AS17597 SK Broadband Co Ltd. RPKI not found Seen by 5 of our 5 looking glass sessions.

What the table says about 203.123.192.0/19

Origin
AS17597 SKB-SAEROMNET-AS-KR-KR
RPKI
RPKI not found
Size
8,192 addresses
Less specific
none
More specifics
2
IRR route objects
3 exact, 1 covering
In RouteViews
2026-10-16 00:02 UTC

How 203.123.192.0/19 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 174 701 9318 17597
OriginAS17597 SK Broadband Co Ltd
Origin codeIGP
Communities174:21000 174:22013 36601:150 36601:174 36601:2001
Updated7d 21h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 6939 9318 17597
OriginAS17597 SK Broadband Co Ltd
Origin codeIGP
Communities903:900 903:13760
Updated8d 5h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 9318 17597
OriginAS17597 SK Broadband Co Ltd
Origin codeIGP
Communities6461:5997 36295:100 36295:6461
Updated10h 22m ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 9318 17597
OriginAS17597 SK Broadband Co Ltd
Origin codeIGP
Communitiesnone
Updated8d 5h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 701 9318 17597
OriginAS17597 SK Broadband Co Ltd
Origin codeIGP
Communities174:21000 174:22013 36295:100 36295:174
Updated11d 23h ago

Route origin authorizations

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

Route objects

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

RouteOriginSourceDescriptionMaintained by
203.123.192.0/19AS17597 SKB-SAEROMNET-AS-KR-KRRADBPACNET (proxy-registered route object)MAINT-AS4637
203.123.192.0/19AS9318 SKB-AS-KRREACHREACH (Customer Route)MAINT-REACH-NOC
203.123.192.0/19AS9848 SejongTelecom-AS-KR-KRREACHREACH (Customer Route)MAINT-REACH-NOC
203.123.128.0/17 coveringAS18231 CROSSRIMS-AS-APREACHREACH (Customer Route)MAINT-REACH-NOC

Prefixes inside 203.123.192.0/19

2 announced prefixes fall inside this one.

Show the 2 prefixes

Check 203.123.192.0/19 live