166.147.64.0/21
Nobody announces 166.147.64.0/21 on its own; it is covered by 166.147.64.0/20 AS20057 ATT-MOBILITY-LLC-AS20057. Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 166.147.64.0/21
Prefix
Origin
not announced
Size
2,048 addresses
Less specific
More specifics
2
IRR route objects
1 exact, 3 covering
RPKI
Route origin authorizations
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 166.147.64.0/20 | /20 | AS20057 ATT-MOBILITY-LLC-AS20057 | ARIN |
| 166.147.64.0/18 | /18 | AS7018 ATT-INTERNET4 | 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 |
|---|---|---|---|---|
| 166.147.64.0/21 | AS20057 ATT-MOBILITY-LLC-AS20057 | LEVEL3 | An AT&T Mobility Network | AWS-MNT |
| 166.147.64.0/20 covering | AS20057 ATT-MOBILITY-LLC-AS20057 | ARIN | AT&T Enterprises, LLC | MNT-AEL-360 |
| 166.147.64.0/18 covering | AS7018 ATT-INTERNET4 | ARIN | AT&T Enterprises, LLC | MNT-AEL-360 |
| 166.147.64.0/18 covering | AS20057 ATT-MOBILITY-LLC-AS20057 | LEVEL3 | An ATTWS network | AWS-MNT |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.
More specific
Prefixes inside 166.147.64.0/21
2 announced prefixes fall inside this one.