199.237.56.0/21
Nobody announces 199.237.56.0/21 on its own; it is covered by 199.237.48.0/20 AS6079 RCN-AS. Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 199.237.56.0/21
Prefix
Origin
not announced
Size
2,048 addresses
Less specific
More specifics
0
IRR route objects
1 exact, 9 covering
RPKI
Route origin authorizations
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 199.237.56.0/21 | /24 | AS13649 ASN-FLEXENTIAL | ARIN |
| 199.237.56.0/21 | /24 | AS19271 PEAK10 | ARIN |
| 199.237.0.0/18 | /24 | AS1299 TWELVE99 | ARIN |
| 199.237.0.0/18 | /24 | AS3257 GTT-BACKBONE | ARIN |
| 199.237.0.0/18 | /24 | AS6079 RCN-AS | ARIN |
| 199.237.0.0/18 | /24 | AS7029 WINDSTREAM | ARIN |
| 199.237.0.0/18 | /24 | AS7843 TWC-7843-BB | ARIN |
| 199.237.0.0/18 | /24 | AS11404 AS-WAVE-1 | ARIN |
| 199.237.0.0/18 | /24 | AS201115 PYLONONE | ARIN |
| 199.237.0.0/18 | /24 | AS398465 RACKDOG-LLC | 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 |
|---|---|---|---|---|
| 199.237.56.0/21 | AS13649 ASN-FLEXENTIAL | RADB | Flexential | MAINT-FLEXENTIAL |
| 199.237.48.0/20 covering | AS6079 RCN-AS | RADB | N | MAINT-AS398465 |
| 199.237.0.0/18 covering | AS1299 TWELVE99 | NTTCOM | Rackdog proxy object | MAINT-NTTCOM-BB |
| 199.237.0.0/18 covering | AS3257 GTT-BACKBONE | NTTCOM | Rackdog proxy object | MAINT-NTTCOM-BB |
| 199.237.0.0/18 covering | AS6079 RCN-AS | NTTCOM | Rackdog proxy object | MAINT-NTTCOM-BB |
| 199.237.0.0/18 covering | AS7029 WINDSTREAM | NTTCOM | Rackdog proxy object | MAINT-NTTCOM-BB |
| 199.237.0.0/18 covering | AS7843 TWC-7843-BB | NTTCOM | Rackdog proxy object | MAINT-NTTCOM-BB |
| 199.237.0.0/18 covering | AS11404 AS-WAVE-1 | NTTCOM | Rackdog proxy object | MAINT-NTTCOM-BB |
| 199.237.0.0/18 covering | AS201115 PYLONONE | NTTCOM | Rackdog proxy object | MAINT-NTTCOM-BB |
| 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.