140.221.128.0/21
Nobody announces 140.221.128.0/21 on its own, and no announced prefix covers it. Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 140.221.128.0/21
Prefix
Origin
not announced
Size
2,048 addresses
Less specific
none
More specifics
0
IRR route objects
1 exact, 2 covering
RPKI
Route origin authorizations
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 140.221.128.0/21 | /24 | AS401015 SCIENCE-DMZ-RESEARCH-NETWORK | ARIN |
| 140.221.128.0/17 | /24 | AS14031 SCXY | 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 |
|---|---|---|---|---|
| 140.221.128.0/21 | AS401015 SCIENCE-DMZ-RESEARCH-NETWORK | RADB | SuperComputing | MAINT-ESNET |
| 140.221.128.0/17 covering | AS14031 SCXY | LEVEL3 | New route for ACM | SCXY-MNT |
| 140.221.128.0/17 covering | AS14031 SCXY | RADB | SCxy Showfloor Network PORTLAND,OR, USA | MAINT-AS683 |