ResearchRouting table, looking glass, RPKI & IRR

64.140.172.0/22 zx4.com

Announced by AS398091 zx4.com. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 64.140.172.0/22

Prefix
64.140.172.0/22
Origin
AS398091 ZX4
RPKI
RPKI valid
Size
1,024 addresses
Less specific
64.140.168.0/21 AS18450 WEBNX
More specifics
1
IRR route objects
2 exact, 3 covering
In RouteViews
2026-10-14 08:02 UTC
Paths

How 64.140.172.0/22 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 18450 398091
OriginAS398091 zx4.com
Origin codeIGP
Communities174:21001 174:22013 36601:150 36601:174 36601:2001
Updated6d 7h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 6939 18450×4 398091
OriginAS398091 zx4.com
Origin codeIGP
Communities903:900 903:13760
Updated1d 7h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 18450 398091
OriginAS398091 zx4.com
Origin codeIGP
Communities6461:5998 36295:100 36295:6461
Updated22h 10m ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 18450 398091
OriginAS398091 zx4.com
Origin codeIGP
Communities174:21001 174:22013
Updated6d 16h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 18450 398091
OriginAS398091 zx4.com
Origin codeIGP
Communities174:21001 174:22013 36295:100 36295:174
Updated10d 9h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS398091 to originate 64.140.172.0/22 up to /24. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
64.140.172.0/22/24AS398091 ZX4ARIN
64.140.160.0/20/24AS18450 WEBNXARIN
IRR

Route objects

Registered in the IRR for this prefix and the ones covering it. Look it up live.

RouteOriginSourceDescriptionMaintained by
64.140.172.0/22AS398091 ZX4ARINWebNX, Inc.MNT-WEBNX
64.140.172.0/22AS398091 ZX4RADBProxy registration for ZX4MAINT-AS18450
64.140.168.0/21 coveringAS18450 WEBNXRADBWebNX OGDEN BLOCKMAINT-AS18450
64.140.160.0/20 coveringAS18450 WEBNXARINWebNX, Inc.MNT-WEBNX
64.140.160.0/20 coveringAS18450 WEBNXRADBWEBNX-BLK-14MAINT-AS18450
Less specific

Covering prefixes

Announced prefixes that contain this one, most specific first.

64.140.168.0/21 AS18450 WEBNX64.140.160.0/20 AS18450 WEBNX
More specific

Prefixes inside 64.140.172.0/22

1 announced prefix fall inside this one.

Show the 1 prefixes
64.140.174.0/23 AS18450 WEBNX
Tools

Check 64.140.172.0/22 live

Looking glassIP to ASN APIRPKI APIIRR API