209.251.40.0/21
Nobody announces 209.251.40.0/21 on its own; it is covered by 209.251.32.0/20 AS11023 SYSSRC. Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 209.251.40.0/21
Prefix
Origin
not announced
Size
2,048 addresses
Less specific
More specifics
0
IRR route objects
1 exact, 2 covering
RPKI
Route origin authorizations
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 209.251.32.0/20 | /20 | AS11023 SYSSRC | 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 |
|---|---|---|---|---|
| 209.251.40.0/21 | AS11023 SYSSRC | LEVEL3 | System Source | CTI-MNT |
| 209.251.32.0/20 covering | AS11023 SYSSRC | ARIN | 338 Club House Road Hunt Valley MD 21031 United States | MNT-SYSO |
| 209.251.32.0/20 covering | AS11023 SYSSRC | LEVEL3 | System Source | CTI-MNT |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.