175.103.12.0/22 JCOM Co., Ltd.
Announced by AS4721 JCOM Co., Ltd. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 175.103.12.0/22
Prefix
Origin
AS4721 JCN
RPKI
RPKI valid
Size
1,024 addresses
Less specific
none
More specifics
2
IRR route objects
2 exact, 0 covering
In RouteViews
2026-10-12 16:02 UTC
Paths
How 175.103.12.0/22 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 2516 9824×4 4721
| Origin | AS4721 JCOM Co., Ltd. |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 4d 16h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 2516 9824×4 4721
| Origin | AS4721 JCOM Co., Ltd. |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 5d 0h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 9824×4 4721
| Origin | AS4721 JCOM Co., Ltd. |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 0h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS4721 to originate 175.103.12.0/22 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 175.103.12.0/22 | /24 | AS4721 JCN | APNIC |
| 175.103.12.0/22 | /24 | AS9824 JTCL-JP-AS | 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 |
|---|---|---|---|---|
| 175.103.12.0/22 | AS4721 JCN | JPIRR | JCOM Co., Ltd. (J:COM) | MAINT-AS9824 |
| 175.103.12.0/22 | AS4721 JCN | RADB | J:COM (former JCN) | MAINT-AS9824 |
More specific
Prefixes inside 175.103.12.0/22
2 announced prefixes fall inside this one.