103.3.4.0/23 JCOM Co., Ltd.
Announced by AS9378 JCOM Co., Ltd. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 103.3.4.0/23
Prefix
Origin
AS9378 CABLENET
RPKI
RPKI valid
Size
512 addresses
Less specific
More specifics
0
IRR route objects
2 exact, 5 covering
In RouteViews
2026-10-12 04:03 UTC
Paths
How 103.3.4.0/23 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 2497 9824×3 9378
| Origin | AS9378 JCOM Co., Ltd. |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 4d 3h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 2516 9824×3 9378
| Origin | AS9378 JCOM Co., Ltd. |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 4d 12h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 9824 9378
| Origin | AS9378 JCOM Co., Ltd. |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 4d 12h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS9378 to originate 103.3.4.0/22 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 103.3.4.0/22 | /24 | AS9378 CABLENET | APNIC |
| 103.3.4.0/22 | /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 |
|---|---|---|---|---|
| 103.3.4.0/23 | AS9378 CABLENET | JPIRR | JCOM Co., Ltd. (J:COM) | MAINT-AS9824 |
| 103.3.4.0/23 | AS9378 CABLENET | RADB | J:COM KawaguchiToda | MAINT-AS9824 |
| 103.3.4.0/22 covering | AS9378 CABLENET | JPIRR | JCOM Co., Ltd. (J:COM) | MAINT-AS9824 |
| 103.3.4.0/22 covering | AS9378 CABLENET | RADB | J:COM KawaguchiToda | MAINT-AS9824 |
| 103.3.0.0/21 covering | AS24302 CRIS-CERNET-AS | RADB | Proxy-registered route object | MAINT-AS9304 |
| 103.3.0.0/20 covering | AS24302 CRIS-CERNET-AS | RADB | Proxy-registered route object | MAINT-AS9304 |
| 103.3.0.0/19 covering | AS24302 CRIS-CERNET-AS | RADB | Proxy-registered route object | MAINT-AS9304 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.