207.57.136.0/21
Nobody announces 207.57.136.0/21 on its own; it is covered by 207.57.0.0/16 AS18186 NEBULA-GLOBAL. Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 207.57.136.0/21
Prefix
Origin
not announced
Size
2,048 addresses
Less specific
More specifics
8
IRR route objects
1 exact, 3 covering
RPKI
Route origin authorizations
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 207.57.136.0/21 | /24 | AS1054 ZONT-LLC | ARIN |
| 207.57.0.0/16 | /24 | AS18186 NEBULA-GLOBAL | ARIN |
| 207.57.0.0/16 | /24 | AS140224 NEBULA | ARIN |
| 207.56.0.0/15 | /15 | AS2914 NTT-DATA-2914 | ARIN |
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 |
|---|---|---|---|---|
| 207.57.136.0/21 | AS1054 ZONT-LLC | NTTCOM | Starcloud - Nebula | MAINT-NTTCOM-BB |
| 207.57.0.0/16 covering | AS18186 NEBULA-GLOBAL | NTTCOM | Nebula | MAINT-NTTCOM-RA |
| 207.57.0.0/16 covering | AS140224 NEBULA | NTTCOM | Nebula | MAINT-NTTCOM-RA |
| 207.56.0.0/15 covering | AS2914 NTT-DATA-2914 | NTTCOM | VRIO-207-056 | MAINT-NTTCOM-BB |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.
More specific
Prefixes inside 207.57.136.0/21
8 announced prefixes fall inside this one.