ResearchRouting table, looking glass, RPKI & IRR

203.238.0.0/17 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 203.238.0.0/17

Prefix
203.238.0.0/17
Origin
AS9848 SejongTelecom-AS-KR-KR
RPKI
RPKI not found
Size
32,768 addresses
Less specific
none
More specifics
21
IRR route objects
2 exact, 0 covering
In RouteViews
2026-10-14 16:02 UTC
Paths

How 203.238.0.0/17 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 174 15412 9848
OriginAS9848 SEJONG NETWORKS
Origin codeIGP
Communities174:21001 174:22013 36601:150 36601:174 36601:2001
Updated14h 53m ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 58453 9848
OriginAS9848 SEJONG NETWORKS
Origin codeIGP
Communities903:900 903:13760
Updated7d 1h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 15412 9848
OriginAS9848 SEJONG NETWORKS
Origin codeIGP
Communities36295:100
Updated7d 1h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 15412 9848
OriginAS9848 SEJONG NETWORKS
Origin codeIGP
Communities174:21001 174:22013
Updated7d 1h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 15412 9848
OriginAS9848 SEJONG NETWORKS
Origin codeIGP
Communities174:21001 174:22013 36295:100 36295:174
Updated10d 18h 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
203.238.0.0/17AS9848 SejongTelecom-AS-KR-KRRADBGNG NetworksMAINT-AS4766
203.238.0.0/17AS9848 SejongTelecom-AS-KR-KRREACHREACH (Customer Route)MAINT-REACH-NOC
More specific

Prefixes inside 203.238.0.0/17

21 announced prefixes fall inside this one.

Show the 21 prefixes
203.238.13.0/24 AS131866 DEK-AS-KR-KR203.238.14.0/24 AS131866 DEK-AS-KR-KR203.238.15.0/24 AS131866 DEK-AS-KR-KR203.238.16.0/24 AS131866 DEK-AS-KR-KR203.238.36.0/24 AS17837 KCP-AS-KR-KR203.238.37.0/24 AS9571 INICIS-AS-KR203.238.38.0/23 AS9848 SejongTelecom-AS-KR-KR203.238.38.0/24 AS4670 HYUNDAI-KR203.238.39.0/24 AS4670 HYUNDAI-KR203.238.56.0/22 AS23584 HYROADPUSAN-AS-KR-KR203.238.56.0/24 AS9492 MAEKYUNG-AS-KR203.238.57.0/24 AS9492 MAEKYUNG-AS-KR203.238.58.0/24 AS9492 MAEKYUNG-AS-KR203.238.59.0/24 AS9492 MAEKYUNG-AS-KR203.238.60.0/22 AS23584 HYROADPUSAN-AS-KR-KR203.238.84.0/23 AS23584 HYROADPUSAN-AS-KR-KR203.238.84.0/24 AS23584 HYROADPUSAN-AS-KR-KR203.238.85.0/24 AS23584 HYROADPUSAN-AS-KR-KR203.238.86.0/24 AS23584 HYROADPUSAN-AS-KR-KR203.238.106.0/24 AS9973 BSITC-AS-KR-KR203.238.107.0/24 AS9973 BSITC-AS-KR-KR
Tools

Check 203.238.0.0/17 live

Looking glassIP to ASN APIRPKI APIIRR API