204.170.40.0/21
Nobody announces 204.170.40.0/21 on its own; it is covered by 204.170.0.0/15 AS2914 NTT-DATA-2914. Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 204.170.40.0/21
Prefix
Origin
not announced
Size
2,048 addresses
Less specific
More specifics
0
IRR route objects
4 exact, 1 covering
RPKI
Route origin authorizations
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 204.170.40.0/21 | /24 | AS3949 NTTA-3946 | ARIN |
| 204.170.40.0/21 | /24 | AS148996 GCNL-AS-AP | ARIN |
| 204.170.40.0/21 | /24 | AS152179 GCNL-AS-AP | ARIN |
| 204.170.40.0/21 | /24 | AS207550 OCLAYER | ARIN |
| 204.170.40.0/21 | /24 | AS214432 NTT-Communications-Corporation | ARIN |
| 204.170.0.0/15 | /15 | AS2914 NTT-DATA-2914 | 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 |
|---|---|---|---|---|
| 204.170.40.0/21 | AS148996 GCNL-AS-AP | NTTCOM | Zhilian | MAINT-NTTCOM-BB |
| 204.170.40.0/21 | AS152179 GCNL-AS-AP | NTTCOM | Zhilian | MAINT-NTTCOM-BB |
| 204.170.40.0/21 | AS207550 OCLAYER | NTTCOM | Zhilian | MAINT-NTTCOM-BB |
| 204.170.40.0/21 | AS214432 NTT-Communications-Corporation | NTTCOM | Zhilian | MAINT-NTTCOM-BB |
| 204.170.0.0/15 covering | AS2914 NTT-DATA-2914 | NTTCOM | NTTA-204-170 | MAINT-NTTCOM-RA |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.