12.156.40.0/22
Nobody announces 12.156.40.0/22 on its own; it is covered by 12.128.0.0/9 AS7018 ATT-INTERNET4. Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 12.156.40.0/22
Prefix
Origin
not announced
Size
1,024 addresses
Less specific
More specifics
0
IRR route objects
2 exact, 2 covering
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 |
|---|---|---|---|---|
| 12.156.40.0/22 | AS23479 TSPEC | LEVEL3 | Technology Specialists | CTI-MNT |
| 12.156.40.0/22 | AS23479 TSPEC | RADB | Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 | MAINT-AS7922 |
| 12.128.0.0/9 covering | AS7018 ATT-INTERNET4 | ARIN | 12/8 upper 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.