220.254.0.0/18 Naganoken Kyodou Densan Co.Ltd.
Announced by AS18268 Naganoken Kyodou Densan Co.Ltd. RPKI valid Seen by 3 of our 5 looking glass sessions.
Summary
What the table says about 220.254.0.0/18
Prefix
Origin
AS18268 JANIS
RPKI
RPKI valid
Size
16,384 addresses
Less specific
More specifics
0
IRR route objects
2 exact, 6 covering
In RouteViews
2026-10-14 16:02 UTC
Paths
How 220.254.0.0/18 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.
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 36295 6939 18268
| Origin | AS18268 Naganoken Kyodou Densan Co.Ltd. |
| Origin code | IGP |
| Communities | 903:100 903:900 |
| Updated | 7d 0h 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 |
|---|---|---|---|---|
| 220.254.0.0/18 | AS18268 JANIS | JPIRR | Naganoken Kyododensan Co. LTD X-Keiro: as18268@nkd.nn-ja.or.jp | MAINT-AS18268 |
| 220.254.0.0/18 | AS18268 JANIS | NTTCOM | Naganoken Kyodou Densan Co.Ltd. | MAINT-AS18268 |
| 220.254.0.0/17 covering | AS18268 JANIS | JPIRR | Naganoken Kyododensan Co. LTD X-Keiro: as18268@nkd.nn-ja.or.jp | MAINT-AS18268 |
| 220.254.0.0/17 covering | AS18268 JANIS | NTTCOM | Naganoken Kyodou Densan Co.Ltd. | MAINT-AS18268 |
| 220.254.0.0/17 covering | AS18268 JANIS | RADB | PACNET (proxy-registered route object) | MAINT-AS4637 |
| 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.