199.237.104.0/21
Nobody announces 199.237.104.0/21 on its own; it is covered by 199.236.0.0/14 AS2914 NTT-DATA-2914. Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 199.237.104.0/21
Prefix
Origin
not announced
Size
2,048 addresses
Less specific
More specifics
1
IRR route objects
2 exact, 1 covering
RPKI
Route origin authorizations
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 199.237.104.0/21 | /24 | AS207550 OCLAYER | ARIN |
| 199.237.104.0/21 | /24 | AS213607 WORLD-FIRST-COMMUNICATION-LTD | ARIN |
| 199.236.0.0/14 | /14 | 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 |
|---|---|---|---|---|
| 199.237.104.0/21 | AS207550 OCLAYER | NTTCOM | Zhilian | MAINT-NTTCOM-RA |
| 199.237.104.0/21 | AS213607 WORLD-FIRST-COMMUNICATION-LTD | NTTCOM | Zhilian | MAINT-NTTCOM-RA |
| 199.236.0.0/14 covering | AS2914 NTT-DATA-2914 | NTTCOM | NTTA-199-236 | MAINT-NTTCOM-BB |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.
More specific
Prefixes inside 199.237.104.0/21
1 announced prefix fall inside this one.