ResearchRouting table, looking glass, RPKI & IRR

203.239.0.0/17 SEJONG NETWORKS

Announced by AS9848 SEJONG NETWORKS. RPKI not found Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 203.239.0.0/17

Prefix
203.239.0.0/17
Origin
AS9848 SejongTelecom-AS-KR-KR
RPKI
RPKI not found
Size
32,768 addresses
Less specific
none
More specifics
15
IRR route objects
2 exact, 0 covering
In RouteViews
2026-10-12 20:02 UTC
Paths

How 203.239.0.0/17 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 13760 58453 9848
OriginAS9848 SEJONG NETWORKS
Origin codeIGP
Communities13760:3002 36601:150 36601:2001 36601:13760
Updated4d 19h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 58453 9848
OriginAS9848 SEJONG NETWORKS
Origin codeIGP
Communities903:900 903:13760
Updated5d 3h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 15412 9848
OriginAS9848 SEJONG NETWORKS
Origin codeIGP
Communities36295:100
Updated5d 3h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 15412 9848
OriginAS9848 SEJONG NETWORKS
Origin codeIGP
Communitiesnone
Updated5d 3h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 4766 9848
OriginAS9848 SEJONG NETWORKS
Origin codeIGP
Communities174:21001 174:22013 36295:100 36295:174
Updated8d 20h 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
203.239.0.0/17AS9848 SejongTelecom-AS-KR-KRRADBGNG NetworksMAINT-AS4766
203.239.0.0/17AS9848 SejongTelecom-AS-KR-KRREACHREACH (Customer Route)MAINT-REACH-NOC
More specific

Prefixes inside 203.239.0.0/17

15 announced prefixes fall inside this one.

Show the 15 prefixes
203.239.23.0/24 AS131794 KYOBOAXA-AS-KR-KR203.239.25.0/24 AS38686 KSCC-AS-KR-KR203.239.31.0/24 AS9848 SejongTelecom-AS-KR-KR203.239.33.0/24 AS9848 SejongTelecom-AS-KR-KR203.239.34.0/24 AS9577 KYOBOTRADE-AS-KR203.239.56.0/24 AS4766 KIXS-AS-KR-KR203.239.57.0/24 AS4766 KIXS-AS-KR-KR203.239.60.0/24 AS10193 BUSANBANK-AS-KR-KR203.239.96.0/22 AS131820 HMM21-AS-KR-KR203.239.97.0/24 AS131820 HMM21-AS-KR-KR203.239.99.0/24 AS131820 HMM21-AS-KR-KR203.239.100.0/24 AS9527 VP01-AS-KR-KR203.239.109.0/24 AS9527 VP01-AS-KR-KR203.239.111.0/24 AS9848 SejongTelecom-AS-KR-KR203.239.119.0/24 AS9697 CJHAEUNDAEGIJANG-AS-KR-KR
Tools

Check 203.239.0.0/17 live

Looking glassIP to ASN APIRPKI APIIRR API