63.71.8.0/21 Zix Corporation
Announced by AS13380 Zix Corporation. RPKI not found Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 63.71.8.0/21
Prefix
Origin
AS13380 ASN-CUST
RPKI
RPKI not found
Size
2,048 addresses
Less specific
More specifics
0
IRR route objects
2 exact, 1 covering
In RouteViews
2026-10-12 12:02 UTC
Paths
How 63.71.8.0/21 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 13760 3356 13380
| Origin | AS13380 Zix Corporation |
| Origin code | IGP |
| Communities | 3356:3 3356:22 3356:100 3356:123 3356:575 3356:903 3356:2008 36601:150 36601:2001 36601:13760 |
| Updated | 4d 11h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 13380
| Origin | AS13380 Zix Corporation |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 4d 19h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 7843 11427 13380
| Origin | AS13380 Zix Corporation |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 4d 19h 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 |
|---|---|---|---|---|
| 63.71.8.0/21 | AS13380 ASN-CUST | RADB | RR-RC-OPENTEXT INC-Texas | MAINT-RR |
| 63.71.8.0/21 | AS198949 Radware | RADB | Zix Corporation | MAINT-AS198949 |
| 63.64.0.0/12 covering | AS701 UUNET | ARIN | MCI Communications Services, LLC d/b/a Verizon Business | MNT-MCICS |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.