12.22.156.0/23
Nobody announces 12.22.156.0/23 on its own; it is covered by 12.0.0.0/9 AS7018 ATT-INTERNET4. Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 12.22.156.0/23
Prefix
Origin
not announced
Size
512 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 |
|---|---|---|---|
| 12.22.156.0/22 | /24 | AS26380 MASTER-7-AS | 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 |
|---|---|---|---|---|
| 12.22.156.0/23 | AS26380 MASTER-7-AS | RADB | PNAP-ACS | MAINT-AS1828 |
| 12.22.156.0/22 covering | AS26380 MASTER-7-AS | ARIN | AT&T Enterprises, LLC | MNT-AEL-360 |
| 12.0.0.0/9 covering | AS7018 ATT-INTERNET4 | ARIN | 12/8 lower half | MNT-AEL-360 |
| 12.0.0.0/8 covering | AS7018 ATT-INTERNET4 | ARIN | ATT_NET-TWELVE | MNT-AEL-360 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.
More specific
Prefixes inside 12.22.156.0/23
2 announced prefixes fall inside this one.