166.136.128.0/17
Nobody announces 166.136.128.0/17 on its own; it is covered by 166.136.0.0/16 AS20057 ATT-MOBILITY-LLC-AS20057. Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 166.136.128.0/17
Prefix
Origin
not announced
Size
32,768 addresses
Less specific
More specifics
9
IRR route objects
1 exact, 3 covering
RPKI
Route origin authorizations
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 166.136.0.0/16 | /24 | AS20057 ATT-MOBILITY-LLC-AS20057 | ARIN |
| 166.136.0.0/15 | /15 | 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 |
|---|---|---|---|---|
| 166.136.128.0/17 | AS20057 ATT-MOBILITY-LLC-AS20057 | LEVEL3 | A Cingular network | AWS-MNT |
| 166.136.0.0/16 covering | AS20057 ATT-MOBILITY-LLC-AS20057 | ARIN | AT&T Enterprises, LLC | MNT-AEL-360 |
| 166.136.0.0/16 covering | AS20057 ATT-MOBILITY-LLC-AS20057 | LEVEL3 | A Cingular network | AWS-MNT |
| 166.136.0.0/15 covering | AS7018 ATT-INTERNET4 | ARIN | AT&T Enterprises, LLC | MNT-AEL-360 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.
More specific
Prefixes inside 166.136.128.0/17
9 announced prefixes fall inside this one.
Show the 9 prefixes
166.136.150.0/23 AS20057 ATT-MOBILITY-LLC-AS20057166.136.162.0/24 AS20057 ATT-MOBILITY-LLC-AS20057166.136.164.0/22 AS20057 ATT-MOBILITY-LLC-AS20057166.136.170.0/23 AS20057 ATT-MOBILITY-LLC-AS20057166.136.173.0/24 AS20057 ATT-MOBILITY-LLC-AS20057166.136.174.0/23 AS20057 ATT-MOBILITY-LLC-AS20057166.136.176.0/24 AS20057 ATT-MOBILITY-LLC-AS20057166.136.192.0/22 AS20057 ATT-MOBILITY-LLC-AS20057166.136.212.0/22 AS20057 ATT-MOBILITY-LLC-AS20057