210.122.0.0/16 SEJONG NETWORKS
Announced by AS9848 SEJONG NETWORKS. RPKI not found Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 210.122.0.0/16
Prefix
Origin
AS9848 SejongTelecom-AS-KR-KR
RPKI
RPKI not found
Size
65,536 addresses
Less specific
none
More specifics
51
IRR route objects
2 exact, 0 covering
In RouteViews
2026-10-13 12:02 UTC
Paths
How 210.122.0.0/16 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 13760 58453 9848
| Origin | AS9848 SEJONG NETWORKS |
| Origin code | IGP |
| Communities | 13760:3002 36601:150 36601:2001 36601:13760 |
| Updated | 5d 12h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 58453 9848
| Origin | AS9848 SEJONG NETWORKS |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 5d 20h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 15412 9848
| Origin | AS9848 SEJONG NETWORKS |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 20h 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.
| Route | Origin | Source | Description | Maintained by |
|---|---|---|---|---|
| 210.122.0.0/16 | AS9848 SejongTelecom-AS-KR-KR | RADB | Sejong Telecom | MAINT-AS9318 |
| 210.122.0.0/16 | AS9848 SejongTelecom-AS-KR-KR | REACH | REACH (Customer Route) | MAINT-REACH-NOC |
More specific
Prefixes inside 210.122.0.0/16
51 announced prefixes fall inside this one.
Show the 51 prefixes
210.122.0.0/24 AS9952 HOSTWAY-AS-KR-KR210.122.1.0/24 AS9952 HOSTWAY-AS-KR-KR210.122.6.0/24 AS9952 HOSTWAY-AS-KR-KR210.122.9.0/24 AS9952 HOSTWAY-AS-KR-KR210.122.16.0/20 AS4961 DISC-AS-KR-KR210.122.40.0/24 AS9952 HOSTWAY-AS-KR-KR210.122.69.0/24 AS17837 KCP-AS-KR-KR210.122.72.0/22 AS17837 KCP-AS-KR-KR210.122.72.0/24 AS17837 KCP-AS-KR-KR210.122.73.0/24 AS17837 KCP-AS-KR-KR210.122.74.0/23 AS17837 KCP-AS-KR-KR210.122.76.0/24 AS17837 KCP-AS-KR-KR210.122.77.0/24 AS17837 KCP-AS-KR-KR210.122.78.0/23 AS17837 KCP-AS-KR-KR210.122.80.0/23 AS17837 KCP-AS-KR-KR210.122.80.0/24 AS17837 KCP-AS-KR-KR210.122.81.0/24 AS17837 KCP-AS-KR-KR210.122.96.0/24 AS9578 CJNET-AS-KR210.122.97.0/24 AS9578 CJNET-AS-KR210.122.98.0/24 AS9578 CJNET-AS-KR210.122.99.0/24 AS9578 CJNET-AS-KR210.122.100.0/24 AS9578 CJNET-AS-KR210.122.101.0/24 AS9578 CJNET-AS-KR210.122.102.0/24 AS9578 CJNET-AS-KR210.122.103.0/24 AS9578 CJNET-AS-KR210.122.104.0/24 AS9578 CJNET-AS-KR210.122.105.0/24 AS9578 CJNET-AS-KR210.122.106.0/24 AS9578 CJNET-AS-KR210.122.107.0/24 AS9578 CJNET-AS-KR210.122.108.0/24 AS9578 CJNET-AS-KR210.122.109.0/24 AS9578 CJNET-AS-KR210.122.110.0/24 AS9578 CJNET-AS-KR210.122.111.0/24 AS9578 CJNET-AS-KR210.122.123.0/24 AS18317 SHINHANSYS2-AS-KR-KR210.122.128.0/20 AS131826 HY-AS-KR-KR210.122.128.0/21 AS131826 HY-AS-KR-KR210.122.128.0/24 AS131826 HY-AS-KR-KR210.122.136.0/24 AS131826 HY-AS-KR-KR210.122.137.0/24 AS131826 HY-AS-KR-KR210.122.138.0/24 AS131826 HY-AS-KR-KR210.122.139.0/24 AS131826 HY-AS-KR-KR210.122.140.0/22 AS131826 HY-AS-KR-KR210.122.160.0/21 AS9848 SejongTelecom-AS-KR-KR210.122.170.0/24 AS38123 AMCSEOUL-AS-KR-KR210.122.171.0/24 AS38123 AMCSEOUL-AS-KR-KR210.122.172.0/24 AS38123 AMCSEOUL-AS-KR-KR210.122.173.0/24 AS38123 AMCSEOUL-AS-KR-KR210.122.176.0/24 AS17837 KCP-AS-KR-KR210.122.177.0/24 AS17837 KCP-AS-KR-KR210.122.230.0/23 AS9848 SejongTelecom-AS-KR-KR210.122.248.0/21 AS9848 SejongTelecom-AS-KR-KR