220.254.128.0/17 Naganoken Kyodou Densan Co.Ltd.
Announced by AS18268 Naganoken Kyodou Densan Co.Ltd. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 220.254.128.0/17
Prefix
Origin
AS18268 JANIS
RPKI
RPKI valid
Size
32,768 addresses
Less specific
More specifics
2
IRR route objects
2 exact, 3 covering
In RouteViews
2026-10-15 20:02 UTC
Paths
How 220.254.128.0/17 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 2519 18268
| Origin | AS18268 Naganoken Kyodou Densan Co.Ltd. |
| Origin code | IGP |
| Communities | 174:21201 174:22032 36601:150 36601:174 36601:2001 |
| Updated | 1d 6h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 17676 18268
| Origin | AS18268 Naganoken Kyodou Densan Co.Ltd. |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 8d 4h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 17676 18268
| Origin | AS18268 Naganoken Kyodou Densan Co.Ltd. |
| Origin code | IGP |
| Communities | 6461:5997 36295:100 36295:6461 |
| Updated | 9h 30m ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS18268 to originate 220.254.0.0/16 up to /18. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 220.254.0.0/16 | /18 | AS18268 JANIS | 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 |
|---|---|---|---|---|
| 220.254.128.0/17 | AS18268 JANIS | JPIRR | Naganoken Kyododensan Co. LTD X-Keiro: as18268@nkd.nn-ja.or.jp | MAINT-AS18268 |
| 220.254.128.0/17 | AS18268 JANIS | NTTCOM | Naganoken Kyodou Densan Co.Ltd. | MAINT-AS18268 |
| 220.254.0.0/16 covering | AS18268 JANIS | JPIRR | Naganoken Kyododensan Co. LTD X-Keiro: as18268@nkd.nn-ja.or.jp | MAINT-AS18268 |
| 220.254.0.0/16 covering | AS18268 JANIS | NTTCOM | Naganoken Kyodou Densan Co.Ltd. | MAINT-AS18268 |
| 220.254.0.0/16 covering | AS18268 JANIS | RADB | PACNET (proxy-registered route object) | MAINT-AS4637 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.
More specific
Prefixes inside 220.254.128.0/17
2 announced prefixes fall inside this one.