2403:fbc0::/48 xTom Japan Corporation
Announced by AS3258 xTom Japan Corporation. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 2403:fbc0::/48
Prefix
Origin
AS3258 XTOM-JAPAN
RPKI
RPKI valid
Size
65,536 /64s
Less specific
none
More specifics
0
IRR route objects
5 exact, 5 covering
In RouteViews
2026-10-12 04:07 UTC
Paths
How 2403:fbc0::/48 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 3258
| Origin | AS3258 xTom Japan Corporation |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:2001 |
| Updated | 4d 4h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 137409 3258×6
| Origin | AS3258 xTom Japan Corporation |
| Origin code | IGP |
| Communities | 903:13760 |
| Updated | 4d 12h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 3258
| Origin | AS3258 xTom Japan Corporation |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 4d 12h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS3258 to originate 2403:fbc0::/32 up to /48. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 2403:fbc0::/32 | /48 | AS3258 XTOM-JAPAN | APNIC |
| 2403:fbc0::/32 | /48 | AS23959 OWL-AS-AP | APNIC |
| 2403:fbc0::/32 | /48 | AS43357 OWL | 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 |
|---|---|---|---|---|
| 2403:fbc0::/48 | AS3258 XTOM-JAPAN | ALTDB | Customer Route | MAINT-AS206499 |
| 2403:fbc0::/48 | AS3258 XTOM-JAPAN | APNIC | Owl Limited First Floor B&P House | MAINT-OWL-VU |
| 2403:fbc0::/48 | AS23959 OWL-AS-AP | APNIC | Owl Limited | MAINT-OWL-VU |
| 2403:fbc0::/48 | AS3258 XTOM-JAPAN | RADB | Customer Route | MAINT-AS9312 |
| 2403:fbc0::/48 | AS23959 OWL-AS-AP | RADB | xTom Customer Prefix | MAINT-AS9312 |
| 2403:fbc0::/32 covering | AS23959 OWL-AS-AP | APNIC | Owl Limited First Floor B&P House | MAINT-OWL-VU |
| 2403:fbc0::/32 covering | AS43357 OWL | APNIC | Owl Limited First Floor B&P House | MAINT-OWL-VU |
| 2403:fbc0::/32 covering | AS3258 XTOM-JAPAN | RADB | N | MAINT-AS9312 |
| 2403:fbc0::/32 covering | AS23959 OWL-AS-AP | RADB | xTom Customer Prefix | MAINT-AS9312 |
| 2403:fbc0::/32 covering | AS43357 OWL | RADB | Owl Limited | MAINT-AS9312 |