ResearchRouting table, looking glass, RPKI & IRR

143.248.0.0/16 Korea Advanced Institute of Science and Technology

Announced by AS1781 Korea Advanced Institute of Science and Technology. RPKI not found Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 143.248.0.0/16

Prefix
143.248.0.0/16
Origin
AS1781 KAIST-DAEJEON-AS-KR-KR
RPKI
RPKI not found
Size
65,536 addresses
Less specific
none
More specifics
4
IRR route objects
3 exact, 0 covering
In RouteViews
2026-10-14 20:02 UTC
Paths

How 143.248.0.0/16 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 4766 1781
OriginAS1781 Korea Advanced Institute of Science and Technology
Origin codeIGP
Communities174:21001 174:22013 36601:150 36601:174 36601:2001
Updated6d 20h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 24482 17579 1237 1781
OriginAS1781 Korea Advanced Institute of Science and Technology
Origin codeIGP
Communities903:900 903:13760
Updated7d 5h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 4766 1781
OriginAS1781 Korea Advanced Institute of Science and Technology
Origin codeIGP
Communities36295:100
Updated7d 4h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 4766 1781
OriginAS1781 Korea Advanced Institute of Science and Technology
Origin codeIGP
Communities174:21001 174:22013
Updated7d 5h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 4766 1781
OriginAS1781 Korea Advanced Institute of Science and Technology
Origin codeIGP
Communities174:21001 174:22013 36295:100 36295:174
Updated10d 22h 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
143.248.0.0/16AS1781 KAIST-DAEJEON-AS-KR-KRNTTCOMproxy for HANARO TELECOM routeMAINT-HANARO
143.248.0.0/16AS1781 KAIST-DAEJEON-AS-KR-KRRADBKAISTMAINT-AS4766
143.248.0.0/16AS9318 SKB-AS-KRREACHREACH (Customer Route)MAINT-REACH-NOC
More specific

Prefixes inside 143.248.0.0/16

4 announced prefixes fall inside this one.

Show the 4 prefixes
143.248.0.0/18 AS1781 KAIST-DAEJEON-AS-KR-KR143.248.64.0/18 AS1781 KAIST-DAEJEON-AS-KR-KR143.248.128.0/18 AS1781 KAIST-DAEJEON-AS-KR-KR143.248.192.0/18 AS1781 KAIST-DAEJEON-AS-KR-KR
Tools

Check 143.248.0.0/16 live

Looking glassIP to ASN APIRPKI APIIRR API