ResearchRouting table, looking glass, RPKI & IRR

147.47.0.0/19 Seoul National University

Announced by AS9488 Seoul National University. RPKI not found Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 147.47.0.0/19

Prefix
147.47.0.0/19
Origin
AS9488 SNU-AS-KR-KR
RPKI
RPKI not found
Size
8,192 addresses
Less specific
147.47.0.0/16 AS9488 SNU-AS-KR-KR
More specifics
1
IRR route objects
1 exact, 3 covering
In RouteViews
2026-10-12 16:02 UTC
Paths

How 147.47.0.0/19 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 17579 1237 9488
OriginAS9488 Seoul National University
Origin codeIGP
Communities174:21001 174:22013 36601:150 36601:174 36601:2001
Updated4d 14h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 24482 17579 1237 9488
OriginAS9488 Seoul National University
Origin codeIGP
Communities903:900 903:13760
Updated4d 22h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 17579 1237 9488
OriginAS9488 Seoul National University
Origin codeIGP
Communities36295:100
Updated4d 22h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 17579 1237 9488
OriginAS9488 Seoul National University
Origin codeIGP
Communities174:21001 174:22013
Updated4d 22h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 17579 1237 9488
OriginAS9488 Seoul National University
Origin codeIGP
Communities174:21001 174:22013 36295:100 36295:174
Updated8d 16h ago
RPKI

Route origin authorizations

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

IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
147.47.0.0/19AS9488 SNU-AS-KR-KRRADBSNU-AS-KRMAINT-AS9318
147.47.0.0/16 coveringAS9488 SNU-AS-KR-KRNTTCOMproxy for HANARO TELECOM routeMAINT-HANARO
147.47.0.0/16 coveringAS9488 SNU-AS-KR-KRRADBcontact noc@bora.net if necessaryMAINT-AS3786
147.46.0.0/15 coveringAS9488 SNU-AS-KR-KRRADBProxy-registered route objectMAINT-AS3491
Less specific

Covering prefixes

Announced prefixes that contain this one, most specific first.

147.47.0.0/16 AS9488 SNU-AS-KR-KR
More specific

Prefixes inside 147.47.0.0/19

1 announced prefix fall inside this one.

Show the 1 prefixes
147.47.6.0/24 AS9488 SNU-AS-KR-KR
Tools

Check 147.47.0.0/19 live

Looking glassIP to ASN APIRPKI APIIRR API