ResearchRouting table, looking glass, RPKI & IRR

203.231.0.0/16 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 203.231.0.0/16

Prefix
203.231.0.0/16
Origin
AS9848 SejongTelecom-AS-KR-KR
RPKI
RPKI not found
Size
65,536 addresses
Less specific
none
More specifics
52
IRR route objects
2 exact, 0 covering
In RouteViews
2026-10-13 17:13 UTC
Paths

How 203.231.0.0/16 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 13760 58453 9848
OriginAS9848 SEJONG NETWORKS
Origin codeIGP
Communities13760:3002 36601:150 36601:2001 36601:13760
Updated5d 16h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 58453 9848
OriginAS9848 SEJONG NETWORKS
Origin codeIGP
Communities903:900 903:13760
Updated6d 0h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 15412 9848
OriginAS9848 SEJONG NETWORKS
Origin codeIGP
Communities36295:100
Updated6d 0h 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
Updated6d 0h 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
Updated9d 17h 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
203.231.0.0/16AS9848 SejongTelecom-AS-KR-KRRADBSejong TelecomMAINT-AS9318
203.231.0.0/16AS9848 SejongTelecom-AS-KR-KRREACHREACH (Customer Route)MAINT-REACH-NOC
More specific

Prefixes inside 203.231.0.0/16

52 announced prefixes fall inside this one.

Show the 52 prefixes
203.231.12.0/24 AS18309 KOVAN-AS-KR-KR203.231.13.0/24 AS18309 KOVAN-AS-KR-KR203.231.18.0/24 AS3608 KRC-AS-KR-KR203.231.25.0/24 AS23593 BKLNETWORK-AS-KR-KR203.231.36.0/23 AS17837 KCP-AS-KR-KR203.231.48.0/23 AS9684 HANWHA-AS-KR203.231.50.0/24 AS17837 KCP-AS-KR-KR203.231.51.0/24 AS17837 KCP-AS-KR-KR203.231.64.0/24 AS23593 BKLNETWORK-AS-KR-KR203.231.65.0/24 AS23593 BKLNETWORK-AS-KR-KR203.231.70.0/24 AS131866 DEK-AS-KR-KR203.231.71.0/24 AS131866 DEK-AS-KR-KR203.231.80.0/24 AS131866 DEK-AS-KR-KR203.231.82.0/24 AS131866 DEK-AS-KR-KR203.231.97.0/24 AS9848 SejongTelecom-AS-KR-KR203.231.104.0/21 AS9848 SejongTelecom-AS-KR-KR203.231.107.0/24 AS136897 ENJOYVC-AS-AP203.231.109.0/24 AS21859 ZEN-ECN203.231.129.0/24 AS38676 FLEXNET-AS-KR-KR203.231.130.0/24 AS38676 FLEXNET-AS-KR-KR203.231.131.0/24 AS38676 FLEXNET-AS-KR-KR203.231.132.0/24 AS38676 FLEXNET-AS-KR-KR203.231.133.0/24 AS38676 FLEXNET-AS-KR-KR203.231.136.0/22 AS9973 BSITC-AS-KR-KR203.231.144.0/24 AS18305 POSNET-KR203.231.145.0/24 AS18305 POSNET-KR203.231.146.0/24 AS18305 POSNET-KR203.231.147.0/24 AS18305 POSNET-KR203.231.148.0/24 AS18305 POSNET-KR203.231.149.0/24 AS18305 POSNET-KR203.231.151.0/24 AS18305 POSNET-KR203.231.152.0/24 AS18300 KEPRI-AS-KR-KR203.231.153.0/24 AS18300 KEPRI-AS-KR-KR203.231.224.0/19 AS9848 SejongTelecom-AS-KR-KR203.231.224.0/24 AS17881 INETHOSTING-AS-KR-KR203.231.225.0/24 AS17881 INETHOSTING-AS-KR-KR203.231.226.0/24 AS17881 INETHOSTING-AS-KR-KR203.231.227.0/24 AS17881 INETHOSTING-AS-KR-KR203.231.228.0/24 AS17881 INETHOSTING-AS-KR-KR203.231.229.0/24 AS17881 INETHOSTING-AS-KR-KR203.231.230.0/24 AS17881 INETHOSTING-AS-KR-KR203.231.231.0/24 AS17881 INETHOSTING-AS-KR-KR203.231.232.0/24 AS17881 INETHOSTING-AS-KR-KR203.231.233.0/24 AS17881 INETHOSTING-AS-KR-KR203.231.234.0/24 AS17881 INETHOSTING-AS-KR-KR203.231.235.0/24 AS17881 INETHOSTING-AS-KR-KR203.231.236.0/24 AS17881 INETHOSTING-AS-KR-KR203.231.237.0/24 AS17881 INETHOSTING-AS-KR-KR203.231.238.0/24 AS17881 INETHOSTING-AS-KR-KR203.231.239.0/24 AS17881 INETHOSTING-AS-KR-KR203.231.242.0/24 AS9848 SejongTelecom-AS-KR-KR203.231.254.0/24 AS9848 SejongTelecom-AS-KR-KR
Tools

Check 203.231.0.0/16 live

Looking glassIP to ASN APIRPKI APIIRR API