ResearchRouting table, looking glass, RPKI & IRR

172.81.16.0/22 MTC Technologies

Announced by AS18519 MTC Technologies. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 172.81.16.0/22

Prefix
172.81.16.0/22
Origin
AS18519 MEDIAPOLIS-TELEPHONE-COMPANY
RPKI
RPKI valid
Size
1,024 addresses
Less specific
none
More specifics
0
IRR route objects
2 exact, 0 covering
In RouteViews
2026-10-15 12:02 UTC
Paths

How 172.81.16.0/22 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 5056 18519
OriginAS18519 MTC Technologies
Origin codeIGP
Communities174:21001 174:22013 36601:150 36601:174 36601:2001
Updated7d 10h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 6939 5056 18519
OriginAS18519 MTC Technologies
Origin codeIGP
Communities903:900 903:13760
Updated7d 19h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 5056 18519
OriginAS18519 MTC Technologies
Origin codeIGP
Communities36295:100
Updated7d 19h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 5056 18519
OriginAS18519 MTC Technologies
Origin codeIGP
Communitiesnone
Updated7d 19h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 5056 18519
OriginAS18519 MTC Technologies
Origin codeIGP
Communities174:21001 174:22013 36295:100 36295:174
Updated11d 12h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS18519 to originate 172.81.16.0/22 up to /22. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
172.81.16.0/22/22AS18519 MEDIAPOLIS-TELEPHONE-COMPANYARIN
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
172.81.16.0/22AS18519 MEDIAPOLIS-TELEPHONE-COMPANYARINMediapolis Telephone Company 652 Main Street PO Box 398 Mediapolis IA 52637 United StatesMNT-MT-1369
172.81.16.0/22AS18519 MEDIAPOLIS-TELEPHONE-COMPANYRADBNetRange: 172.81.16.0 - 172.81.19.255 CIDR: 172.81.16.0/22 NetName: MEDIAPOLIS-4-01 NetHandle: NET-172-81-16-0-1 Parent: NET172 (NET-172-0-0-0-0) NetType: Direct AllocationMAINT-AS5056
Tools

Check 172.81.16.0/22 live

Looking glassIP to ASN APIRPKI APIIRR API