ResearchRouting table, looking glass, RPKI & IRR

121.53.0.0/16 DREAMLINE CO.

Announced by AS9457 DREAMLINE CO. RPKI not found Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 121.53.0.0/16

Prefix
121.53.0.0/16
Origin
AS9457 DREAMX-AS-KR
RPKI
RPKI not found
Size
65,536 addresses
Less specific
none
More specifics
46
IRR route objects
5 exact, 0 covering
In RouteViews
2026-10-12 12:02 UTC
Paths

How 121.53.0.0/16 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 174 9457
OriginAS9457 DREAMLINE CO.
Origin codeIGP
Communities174:21201 174:22044 36601:150 36601:174 36601:2001
Updated4d 10h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 174 9457
OriginAS9457 DREAMLINE CO.
Origin codeIGP
Communities903:900 903:13760
Updated4d 18h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 9457
OriginAS9457 DREAMLINE CO.
Origin codeIGP
Communities36295:100
Updated4d 18h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 9457
OriginAS9457 DREAMLINE CO.
Origin codeIGP
Communities174:21201 174:22044
Updated4d 18h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 9457
OriginAS9457 DREAMLINE CO.
Origin codeIGP
Communities174:21201 174:22044 36295:100 36295:174
Updated8d 12h 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
121.53.0.0/16AS9457 DREAMX-AS-KRLEVEL3Proxy-registered route objectLEVEL3-MNT
121.53.0.0/16AS9318 SKB-AS-KRNTTCOMProxy-registered route objectMAINT-AS9304
121.53.0.0/16AS9457 DREAMX-AS-KRNTTCOMproxy for HANARO TELECOM routeMAINT-HANARO
121.53.0.0/16AS9318 SKB-AS-KRRADBSK BroadbandMAINT-AS9318
121.53.0.0/16AS9457 DREAMX-AS-KRRADBProxy-Registered Route Object by LG Dacom(AS3786)MAINT-AS3786
More specific

Prefixes inside 121.53.0.0/16

46 announced prefixes fall inside this one.

Show the 46 prefixes
121.53.22.0/24 AS9845 CJCKN-AS-KR-KR121.53.80.0/21 AS7625 DAUM-AS-KR121.53.88.0/24 AS7625 DAUM-AS-KR121.53.89.0/24 AS7625 DAUM-AS-KR121.53.90.0/24 AS18160 AS18160-AS-KR-KR121.53.91.0/24 AS18160 AS18160-AS-KR-KR121.53.92.0/24 AS18160 AS18160-AS-KR-KR121.53.93.0/24 AS18160 AS18160-AS-KR-KR121.53.94.0/24 AS18160 AS18160-AS-KR-KR121.53.95.0/24 AS18160 AS18160-AS-KR-KR121.53.104.0/23 AS38099 KAKAO-AS-KR-KR121.53.106.0/23 AS38099 KAKAO-AS-KR-KR121.53.108.0/24 AS38099 KAKAO-AS-KR-KR121.53.109.0/24 AS38099 KAKAO-AS-KR-KR121.53.110.0/24 AS38099 KAKAO-AS-KR-KR121.53.111.0/24 AS38099 KAKAO-AS-KR-KR121.53.176.0/23 AS38099 KAKAO-AS-KR-KR121.53.178.0/23 AS10178 KAKAOPAY-AS-KR-KR121.53.180.0/24 AS38099 KAKAO-AS-KR-KR121.53.181.0/24 AS38099 KAKAO-AS-KR-KR121.53.200.0/24 AS38099 KAKAO-AS-KR-KR121.53.201.0/24 AS38099 KAKAO-AS-KR-KR121.53.202.0/24 AS38099 KAKAO-AS-KR-KR121.53.203.0/24 AS38099 KAKAO-AS-KR-KR121.53.204.0/24 AS38099 KAKAO-AS-KR-KR121.53.205.0/24 AS38099 KAKAO-AS-KR-KR121.53.206.0/24 AS38099 KAKAO-AS-KR-KR121.53.207.0/24 AS38099 KAKAO-AS-KR-KR121.53.216.0/22 AS7625 DAUM-AS-KR121.53.220.0/24 AS18160 AS18160-AS-KR-KR121.53.221.0/24 AS18160 AS18160-AS-KR-KR121.53.222.0/24 AS18160 AS18160-AS-KR-KR121.53.223.0/24 AS18160 AS18160-AS-KR-KR121.53.230.0/24 AS152199 KAKAOCORP-AS-KR-KR121.53.231.0/24 AS152199 KAKAOCORP-AS-KR-KR121.53.234.0/24 AS7625 DAUM-AS-KR121.53.235.0/24 AS7625 DAUM-AS-KR121.53.236.0/24 AS7625 DAUM-AS-KR121.53.237.0/24 AS7625 DAUM-AS-KR121.53.238.0/23 AS7625 DAUM-AS-KR121.53.238.0/24 AS7625 DAUM-AS-KR121.53.239.0/24 AS7625 DAUM-AS-KR121.53.240.0/22 AS7625 DAUM-AS-KR121.53.244.0/22 AS38099 KAKAO-AS-KR-KR121.53.248.0/24 AS17878 MARK1-AS-KR-KR121.53.255.0/24 AS38101 YULCHON-AS-KR-KR
Tools

Check 121.53.0.0/16 live

Looking glassIP to ASN APIRPKI APIIRR API