218.223.128.0/21 GLBB Japan KK
Announced by AS55900 GLBB Japan KK. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 218.223.128.0/21
Prefix
Origin
AS55900 GLBB-JP
RPKI
RPKI valid
Size
2,048 addresses
Less specific
none
More specifics
2
IRR route objects
2 exact, 1 covering
In RouteViews
2026-10-15 20:02 UTC
Paths
How 218.223.128.0/21 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 7029 1299 55900
| Origin | AS55900 GLBB Japan KK |
| Origin code | IGP |
| Communities | 7029:2090 36601:150 36601:2001 36601:13760 |
| Updated | 1d 18h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 1299 55900
| Origin | AS55900 GLBB Japan KK |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 8d 4h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 55900
| Origin | AS55900 GLBB Japan KK |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 8d 4h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS55900 to originate 218.223.128.0/21 up to /21. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 218.223.128.0/21 | /21 | AS55900 GLBB-JP | APNIC |
| 218.223.128.0/18 | /24 | AS59125 CYBERHOME1 | 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 |
|---|---|---|---|---|
| 218.223.128.0/21 | AS55900 GLBB-JP | JPIRR | FAMILY NET JAPAN INCORPORATED X-Keiro:jpnic-nospam@ml.fnj.co.jp | MAINT-AS59125 |
| 218.223.128.0/21 | AS55900 GLBB-JP | RADB | FAMILY NET JAPAN INCORPORATED | MAINT-AS55900 |
| 218.223.128.0/18 covering | AS59125 CYBERHOME1 | JPIRR | FAMILY NET JAPAN INCORPORATED X-Keiro:jpnic-nospam@ml.fnj.co.jp | MAINT-AS59125 |
More specific
Prefixes inside 218.223.128.0/21
2 announced prefixes fall inside this one.