72.37.224.0/21 Leaseweb USA, Inc.
Announced by AS7203 Leaseweb USA, Inc. RPKI not found Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 72.37.224.0/21
Prefix
Origin
AS7203 LEASEWEB-USA-SFO
RPKI
RPKI not found
Size
2,048 addresses
Less specific
More specifics
0
IRR route objects
3 exact, 1 covering
In RouteViews
2026-10-13 20:02 UTC
Paths
How 72.37.224.0/21 is reached
Every path our looking glass collectors hold for this exact prefix. Open one for its attributes, or see them all side by side in the looking glass.
AS36601 TNT (TNT - Tampa, FL)Collector-1-TAMPA-FL36601 174 7203
| Origin | AS7203 Leaseweb USA, Inc. |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 5d 18h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 3257 7203
| Origin | AS7203 Leaseweb USA, Inc. |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 6d 2h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 174 7203
| Origin | AS7203 Leaseweb USA, Inc. |
| Origin code | IGP |
| Communities | 6461:5997 36295:100 36295:6461 |
| Updated | 8h 52m ago |
RPKI
Route origin authorizations
No ROA covers this prefix, so RPKI has nothing to say about who may originate it. Validate another origin.
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 |
|---|---|---|---|---|
| 72.37.224.0/21 | AS7203 LEASEWEB-USA-SFO | ARIN | 5350 East High Street Suite 300 Phoenix AZ 85054 United States | MNT-NTGL |
| 72.37.224.0/21 | AS13354 ZC38-AS1 | RADB | NOBIS-11-ROUTE | MAINT-AS13354 |
| 72.37.224.0/21 | AS25973 AS-GTT-25973 | RADB | Mzima Networks backbone | MAINT-AS3257 |
| 72.37.128.0/17 covering | AS25973 AS-GTT-25973 | RADB | MZIMA-NETBLK-03 | MAINT-AS3257 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.