ResearchRouting table, looking glass, RPKI & IRR

121.176.0.0/12 Korea Telecom

Announced by AS4766 Korea Telecom. RPKI not found Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 121.176.0.0/12

Prefix
121.176.0.0/12
Origin
AS4766 KIXS-AS-KR-KR
RPKI
RPKI not found
Size
1,048,576 addresses
Less specific
121.160.0.0/11 AS4766 KIXS-AS-KR-KR
More specifics
43
IRR route objects
1 exact, 1 covering
In RouteViews
2026-10-14 00:02 UTC
Paths

How 121.176.0.0/12 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
OriginAS4766 Korea Telecom
Origin codeIGP
Communities174:21001 174:22013 36601:150 36601:174 36601:2001
Updated6d 0h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 4766
OriginAS4766 Korea Telecom
Origin codeIGP
Communities903:900 903:13760
Updated6d 9h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 4766
OriginAS4766 Korea Telecom
Origin codeIGP
Communities6461:5997 36295:100 36295:6461
Updated15h 12m ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 4766
OriginAS4766 Korea Telecom
Origin codeIGP
Communities174:21001 174:22013
Updated6d 9h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 4766
OriginAS4766 Korea Telecom
Origin codeIGP
Communities174:21001 174:22013 36295:100 36295:174
Updated10d 2h 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
121.176.0.0/12AS4766 KIXS-AS-KR-KRRADBKorea TelecomMAINT-AS4766
121.160.0.0/11 coveringAS4766 KIXS-AS-KR-KRRADBKORnet Powered BY Korea TelecomMAINT-AS4766
Less specific

Covering prefixes

Announced prefixes that contain this one, most specific first.

121.160.0.0/11 AS4766 KIXS-AS-KR-KR
More specific

Prefixes inside 121.176.0.0/12

43 announced prefixes fall inside this one.

Show the 43 prefixes
121.176.0.0/13 AS4766 KIXS-AS-KR-KR121.176.133.0/24 AS4766 KIXS-AS-KR-KR121.176.134.0/24 AS4766 KIXS-AS-KR-KR121.177.31.0/24 AS38427 STXIDC-AS-KR-KR121.178.209.0/24 AS38681 JNEINET-AS-KR-KR121.181.196.0/24 AS38696 KBRI-AS-KR-KR121.184.0.0/13 AS4766 KIXS-AS-KR-KR121.184.184.0/24 AS38105 SCH-AS-KR-KR121.184.185.0/24 AS38105 SCH-AS-KR-KR121.184.186.0/24 AS38105 SCH-AS-KR-KR121.184.187.0/24 AS38105 SCH-AS-KR-KR121.184.188.0/24 AS38105 SCH-AS-KR-KR121.184.189.0/24 AS38105 SCH-AS-KR-KR121.184.192.0/24 AS38105 SCH-AS-KR-KR121.184.193.0/24 AS38105 SCH-AS-KR-KR121.184.194.0/24 AS38105 SCH-AS-KR-KR121.184.195.0/24 AS38105 SCH-AS-KR-KR121.184.196.0/24 AS38105 SCH-AS-KR-KR121.184.197.0/24 AS38105 SCH-AS-KR-KR121.184.198.0/24 AS38105 SCH-AS-KR-KR121.184.199.0/24 AS38105 SCH-AS-KR-KR121.184.200.0/24 AS38105 SCH-AS-KR-KR121.184.201.0/24 AS38105 SCH-AS-KR-KR121.185.13.0/24 AS18169 SUNESEMI-AS-KR-KR121.186.148.0/24 AS4766 KIXS-AS-KR-KR121.187.23.0/24 AS55615 DUZONBIZON-AS-KR-KR121.187.64.0/20 AS17862 KWNU-AS-KR-KR121.187.80.0/22 AS17862 KWNU-AS-KR-KR121.187.84.0/23 AS17862 KWNU-AS-KR-KR121.187.89.44/30 AS18034 KANGNUNG-AS-KR-KR121.189.167.0/24 AS55622 CNUE-AS-KR-KR121.189.168.0/22 AS55622 CNUE-AS-KR-KR121.190.174.0/24 AS23591 LS-AS-KR-KR121.190.208.0/24 AS45399 KAL-AS-KR-KR121.190.209.0/24 AS45399 KAL-AS-KR-KR121.190.250.0/24 AS38391 GOEG-AS-KR-KR121.190.251.0/24 AS38404 GOEBC-AS-KR-KR121.191.149.0/24 AS4766 KIXS-AS-KR-KR121.191.150.0/24 AS4766 KIXS-AS-KR-KR121.191.151.0/24 AS4766 KIXS-AS-KR-KR121.191.152.0/24 AS4766 KIXS-AS-KR-KR121.191.166.0/24 AS4766 KIXS-AS-KR-KR121.191.190.0/24 AS9707 WORKNET-AS-KR
Tools

Check 121.176.0.0/12 live

Looking glassIP to ASN APIRPKI APIIRR API