203.173.99.0/24 Korea Telecom
Announced by AS4766 Korea Telecom. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 203.173.99.0/24
Prefix
Origin
AS4766 KIXS-AS-KR-KR
RPKI
RPKI valid
Size
256 addresses
Less specific
More specifics
0
IRR route objects
3 exact, 5 covering
In RouteViews
2026-10-14 20:02 UTC
Paths
How 203.173.99.0/24 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 21h 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 5h 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 5h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS4766 to originate 203.173.99.0/24 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 203.173.99.0/24 | /24 | AS4766 KIXS-AS-KR-KR | APNIC |
| 203.173.99.0/24 | /24 | AS151349 YUKI-NET-AS-AP | APNIC |
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 |
|---|---|---|---|---|
| 203.173.99.0/24 | AS4766 KIXS-AS-KR-KR | APNIC | Korea Internet & Security Agency (KISA) Seocho-ro 398, Seocho-gu, Seoul, Korea | MNT-KRNIC-AP |
| 203.173.99.0/24 | AS151349 YUKI-NET-AS-AP | APNIC | Korea Internet & Security Agency (KISA) Seocho-ro 398, Seocho-gu, Seoul, Korea | MNT-KRNIC-AP |
| 203.173.99.0/24 | AS4766 KIXS-AS-KR-KR | RADB | N | MAINT-AS214937 |
| 203.173.96.0/19 covering | AS10068 PRONET-AS-KR | NTTCOM | proxy for HANARO TELECOM route | MAINT-HANARO |
| 203.173.96.0/19 covering | AS10068 PRONET-AS-KR | RADB | PACNET (proxy-registered route object) | MAINT-AS4637 |
| 203.173.96.0/19 covering | AS38676 FLEXNET-AS-KR-KR | RADB | Flex-Net_AS38676 | MAINT-AS9318 |
| 203.173.96.0/19 covering | AS216425 TEFEXIA-AS | RADB | Creative Lab | MAINT-AS9957 |
| 203.173.96.0/19 covering | AS9318 SKB-AS-KR | REACH | REACH (Customer Route) | MAINT-REACH-NOC |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.