64.81.172.0/23 Korea Telecom
Announced by AS4766 Korea Telecom. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 64.81.172.0/23
Prefix
Origin
AS4766 KIXS-AS-KR-KR
RPKI
RPKI valid
Size
512 addresses
Less specific
More specifics
0
IRR route objects
8 exact, 2 covering
In RouteViews
2026-10-14 20:02 UTC
Paths
How 64.81.172.0/23 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
| Origin | AS4766 Korea Telecom |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 6d 18h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 4766
| Origin | AS4766 Korea Telecom |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 7d 2h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 4766
| Origin | AS4766 Korea Telecom |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 7d 2h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS4766 to originate 64.81.172.0/23 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 64.81.172.0/23 | /24 | AS4766 KIXS-AS-KR-KR | ARIN |
| 64.81.172.0/23 | /24 | AS6079 RCN-AS | ARIN |
| 64.81.172.0/23 | /24 | AS16589 WIREDTECH | ARIN |
| 64.81.172.0/23 | /24 | AS399955 BRCRUDE-NETWORK | ARIN |
IRR
Route objects
Registered in the IRR for this prefix and the ones covering it. Look it up live.
| Route | Origin | Source | Description | Maintained by |
|---|---|---|---|---|
| 64.81.172.0/23 | AS4766 KIXS-AS-KR-KR | ARIN | Used by EndUser | MNT-DCL-577 |
| 64.81.172.0/23 | AS6079 RCN-AS | ARIN | Used by EndUser | MNT-DCL-577 |
| 64.81.172.0/23 | AS16589 WIREDTECH | ARIN | Used by EndUser | MNT-DCL-577 |
| 64.81.172.0/23 | AS399955 BRCRUDE-NETWORK | ARIN | Used by EndUser | MNT-DCL-577 |
| 64.81.172.0/23 | AS4766 KIXS-AS-KR-KR | RADB | autogen | MAINT-AS834 |
| 64.81.172.0/23 | AS6079 RCN-AS | RADB | autogen | MAINT-AS834 |
| 64.81.172.0/23 | AS16589 WIREDTECH | RADB | autogen | MAINT-AS834 |
| 64.81.172.0/23 | AS399955 BRCRUDE-NETWORK | RADB | autogen | MAINT-AS834 |
| 64.81.172.0/22 covering | AS23504 MEGAPATH9-US | RADB | PNAP-SEA speakeasy-14 | MAINT-AS1828 |
| 64.81.0.0/16 covering | AS3257 GTT-BACKBONE | RADB | GTT | MAINT-AS3257 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.