2605:4300:3601::/48 Microsoft Corporation
Announced by AS8070 Microsoft Corporation. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 2605:4300:3601::/48
Prefix
Origin
AS8070 MICROSOFT-CORP-MSN-AS-BLOCK
RPKI
RPKI valid
Size
65,536 /64s
Less specific
none
More specifics
0
IRR route objects
1 exact, 2 covering
In RouteViews
2026-10-16 04:08 UTC
Paths
How 2605:4300:3601::/48 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 8075 8070
| Origin | AS8070 Microsoft Corporation |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:2001 |
| Updated | 1d 23h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 8075 8070
| Origin | AS8070 Microsoft Corporation |
| Origin code | IGP |
| Communities | 903:13760 |
| Updated | 8d 9h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 8075 8070
| Origin | AS8070 Microsoft Corporation |
| Origin code | IGP |
| Communities | 6461:5997 36295:100 |
| Updated | 14h 19m ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS8070 to originate 2605:4300:3601::/48 up to /48. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 2605:4300:3601::/48 | /48 | AS8070 MICROSOFT-CORP-MSN-AS-BLOCK | 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 |
|---|---|---|---|---|
| 2605:4300:3601::/48 | AS8070 MICROSOFT-CORP-MSN-AS-BLOCK | ARIN | ZSCALER, INC. | MNT-ZSCAL |
| 2605:4300::/32 covering | AS53813 ZSCALER-INC | LEVEL3 | Zscaler IPv6 Aggregate | ZSCALER-MNT |
| 2605:4300::/32 covering | AS22616 ZSCALER-SJC1 | RADB | Zscaler SJC4 | MAINT-AS53444 |