ResearchRouting table, looking glass, RPKI & IRR

203.251.192.0/18 Shinbiro

Announced by AS4670 Shinbiro. RPKI not found Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 203.251.192.0/18

Prefix
203.251.192.0/18
Origin
AS4670 HYUNDAI-KR
RPKI
RPKI not found
Size
16,384 addresses
Less specific
none
More specifics
37
IRR route objects
3 exact, 0 covering
In RouteViews
2026-10-16 00:02 UTC
Paths

How 203.251.192.0/18 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 9848 4670
OriginAS4670 Shinbiro
Origin codeIGP
Communities174:21001 174:22013 36601:150 36601:174 36601:2001
Updated1d 22h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 58453 9848 4670
OriginAS4670 Shinbiro
Origin codeIGP
Communities903:900 903:13760
Updated8d 8h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 3491 9848 4670
OriginAS4670 Shinbiro
Origin codeIGP
Communities6461:5997 36295:100 36295:6461
Updated13h 11m ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 4766 9848 4670
OriginAS4670 Shinbiro
Origin codeIGP
Communities174:21001 174:22013
Updated8d 8h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 4766 9848 4670
OriginAS4670 Shinbiro
Origin codeIGP
Communities174:21001 174:22013 36295:100 36295:174
Updated12d 1h 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
203.251.192.0/18AS4670 HYUNDAI-KRRADBcontact nmc@mgate.shinbiro.com if necessaryMAINT-AS3786
203.251.192.0/18AS4760 HKTIMS-APRADBSeJong TelecomMAINT-AS4766
203.251.192.0/18AS4670 HYUNDAI-KRREACHREACH (Customer Route)MAINT-REACH-NOC
More specific

Prefixes inside 203.251.192.0/18

37 announced prefixes fall inside this one.

Show the 37 prefixes
203.251.192.0/19 AS4670 HYUNDAI-KR203.251.192.0/24 AS9980 LDCC-AS-KR-KR203.251.193.0/24 AS9980 LDCC-AS-KR-KR203.251.194.0/24 AS9980 LDCC-AS-KR-KR203.251.195.0/24 AS9980 LDCC-AS-KR-KR203.251.196.0/24 AS9980 LDCC-AS-KR-KR203.251.197.0/24 AS9980 LDCC-AS-KR-KR203.251.201.0/24 AS4670 HYUNDAI-KR203.251.202.0/24 AS4670 HYUNDAI-KR203.251.203.0/24 AS9980 LDCC-AS-KR-KR203.251.205.0/24 AS4670 HYUNDAI-KR203.251.207.0/24 AS7562 HCNSEOCHO-AS-KR-KR203.251.210.0/24 AS9980 LDCC-AS-KR-KR203.251.216.0/23 AS4664 HIT-KR-AP203.251.216.15/32 AS9848 SejongTelecom-AS-KR-KR203.251.224.0/19 AS4670 HYUNDAI-KR203.251.224.0/24 AS4670 HYUNDAI-KR203.251.225.0/24 AS4670 HYUNDAI-KR203.251.232.0/22 AS4670 HYUNDAI-KR203.251.233.0/24 AS20940 AKAMAI-ASN1203.251.234.0/24 AS20940 AKAMAI-ASN1203.251.237.0/24 AS7562 HCNSEOCHO-AS-KR-KR203.251.238.0/24 AS7562 HCNSEOCHO-AS-KR-KR203.251.239.0/24 AS7562 HCNSEOCHO-AS-KR-KR203.251.240.0/24 AS7562 HCNSEOCHO-AS-KR-KR203.251.241.0/24 AS7562 HCNSEOCHO-AS-KR-KR203.251.242.0/24 AS7562 HCNSEOCHO-AS-KR-KR203.251.243.0/24 AS7562 HCNSEOCHO-AS-KR-KR203.251.244.0/24 AS4670 HYUNDAI-KR203.251.245.0/24 AS4670 HYUNDAI-KR203.251.246.0/24 AS9848 SejongTelecom-AS-KR-KR203.251.249.0/24 AS9848 SejongTelecom-AS-KR-KR203.251.250.0/24 AS9848 SejongTelecom-AS-KR-KR203.251.251.0/24 AS9980 LDCC-AS-KR-KR203.251.252.0/24 AS9848 SejongTelecom-AS-KR-KR203.251.253.0/24 AS9848 SejongTelecom-AS-KR-KR203.251.254.0/24 AS9980 LDCC-AS-KR-KR
Tools

Check 203.251.192.0/18 live

Looking glassIP to ASN APIRPKI APIIRR API