122.255.240.0/20
Nobody announces 122.255.240.0/20 on its own; it is covered by 122.255.192.0/18 AS4721 JCN. Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 122.255.240.0/20
Prefix
Origin
not announced
Size
4,096 addresses
Less specific
More specifics
0
IRR route objects
1 exact, 4 covering
RPKI
Route origin authorizations
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 122.255.128.0/17 | /24 | AS4721 JCN | APNIC |
| 122.255.128.0/17 | /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 |
|---|---|---|---|---|
| 122.255.240.0/20 | AS4721 JCN | RADB | J:COM (former JCN) | MAINT-AS9824 |
| 122.255.192.0/18 covering | AS4721 JCN | JPIRR | JCOM Co., Ltd. (J:COM) | MAINT-AS9824 |
| 122.255.192.0/18 covering | AS4721 JCN | RADB | J:COM (former JCN) | MAINT-AS9824 |
| 122.255.128.0/17 covering | AS4721 JCN | JPIRR | JCOM Co., Ltd. (J:COM) | MAINT-AS9824 |
| 122.255.128.0/17 covering | AS4721 JCN | RADB | J:COM (former JCN) | MAINT-AS9824 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.