137.59.20.0/22 Netsec Limited
Announced by AS45753 Netsec Limited. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 137.59.20.0/22
Prefix
Origin
AS45753 NETSEC-HK
RPKI
RPKI valid
Size
1,024 addresses
Less specific
none
More specifics
4
IRR route objects
6 exact, 1 covering
In RouteViews
2026-10-13 20:02 UTC
Paths
How 137.59.20.0/22 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 3491 963 45753
| Origin | AS45753 Netsec Limited |
| Origin code | IGP |
| Communities | 174:21200 174:22032 36601:150 36601:174 36601:2001 |
| Updated | 5d 19h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 2914 963 45753
| Origin | AS45753 Netsec Limited |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 6d 3h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 3491 963 45753
| Origin | AS45753 Netsec Limited |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 6d 3h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS45753 to originate 137.59.20.0/22 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 137.59.20.0/22 | /24 | AS963 N963-AS-AP | APNIC |
| 137.59.20.0/22 | /24 | AS9744 XLC-AS-AP | APNIC |
| 137.59.20.0/22 | /24 | AS45753 NETSEC-HK | APNIC |
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 |
|---|---|---|---|---|
| 137.59.20.0/22 | AS963 N963-AS-AP | APNIC | Netsec Limited RM 2607-08, 26/F, Billion Plaza, 8 Cheung Yue St, Cheung Sha | MAINT-NETSEC-HK |
| 137.59.20.0/22 | AS9744 XLC-AS-AP | APNIC | Netsec Limited RM 2607-08, 26/F, Billion Plaza, 8 Cheung Yue St, Cheung Sha | MAINT-NETSEC-HK |
| 137.59.20.0/22 | AS45753 NETSEC-HK | APNIC | Netsec Limited | MAINT-NETSEC-HK |
| 137.59.20.0/22 | AS45753 NETSEC-HK | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK |
| 137.59.20.0/22 | AS9744 XLC-AS-AP | RADB | 137.59.20.0/22 | MAINT-AS9744 |
| 137.59.20.0/22 | AS45753 NETSEC-HK | RADB | This is a NetSec Block. | MAINT-AS45753 |
| 137.59.16.0/21 covering | AS136800 MOACKCOLTD-AS-AP | RADB | CMI (Customer Route) | MAINT-AS58453 |
More specific
Prefixes inside 137.59.20.0/22
4 announced prefixes fall inside this one.