ResearchRouting table, looking glass, RPKI & IRR

208.53.192.0/18 SDN Communications

Announced by AS13576 SDN Communications. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 208.53.192.0/18

Prefix
208.53.192.0/18
Origin
AS13576 SDNW-13576
RPKI
RPKI valid
Size
16,384 addresses
Less specific
none
More specifics
36
IRR route objects
2 exact, 0 covering
In RouteViews
2026-10-14 00:02 UTC
Paths

How 208.53.192.0/18 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 13576
OriginAS13576 SDN Communications
Origin codeincomplete
Communities174:21001 174:22013 36601:150 36601:174 36601:2001
Updated5d 21h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 6939 13576
OriginAS13576 SDN Communications
Origin codeIGP
Communities903:900 903:13760
Updated6d 5h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 13576
OriginAS13576 SDN Communications
Origin codeIGP
Communities36295:100
Updated6d 5h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 13576
OriginAS13576 SDN Communications
Origin codeIGP
Communitiesnone
Updated6d 5h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 13576
OriginAS13576 SDN Communications
Origin codeincomplete
Communities174:21001 174:22013 36295:100 36295:174
Updated9d 23h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS13576 to originate 208.53.192.0/18 up to /18. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
208.53.192.0/18/18AS13576 SDNW-13576ARIN
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
208.53.192.0/18AS13576 SDNW-13576ARINSDN Communications AggMNT-SDN
208.53.192.0/18AS13576 SDNW-13576RADBSDN CommunicationsMAINT-AS13576
More specific

Prefixes inside 208.53.192.0/18

36 announced prefixes fall inside this one.

Show the 36 prefixes
208.53.192.0/24 AS399439 ATV-PUBLIC208.53.193.0/24 AS13576 SDNW-13576208.53.194.0/24 AS13576 SDNW-13576208.53.196.0/24 AS13576 SDNW-13576208.53.197.0/24 AS13576 SDNW-13576208.53.198.0/23 AS13576 SDNW-13576208.53.202.0/24 AS13576 SDNW-13576208.53.203.0/24 AS13576 SDNW-13576208.53.204.0/23 AS399439 ATV-PUBLIC208.53.207.0/24 AS13576 SDNW-13576208.53.208.0/24 AS13576 SDNW-13576208.53.209.0/24 AS13576 SDNW-13576208.53.211.0/24 AS13576 SDNW-13576208.53.212.0/24 AS393417 SDNW-393417208.53.213.0/24 AS17203 BMTC-01208.53.220.0/24 AS36013 MRESNET208.53.221.0/24 AS13576 SDNW-13576208.53.222.0/23 AS399439 ATV-PUBLIC208.53.224.0/20 AS63172 VENTURE-COMM208.53.224.0/23 AS63172 VENTURE-COMM208.53.226.0/23 AS63172 VENTURE-COMM208.53.228.0/23 AS63172 VENTURE-COMM208.53.230.0/23 AS63172 VENTURE-COMM208.53.232.0/23 AS63172 VENTURE-COMM208.53.234.0/23 AS63172 VENTURE-COMM208.53.236.0/23 AS63172 VENTURE-COMM208.53.238.0/24 AS63172 VENTURE-COMM208.53.240.0/23 AS401415 ALLIANCECOM-NET208.53.244.0/23 AS399439 ATV-PUBLIC208.53.247.0/24 AS18785 SANTELCOMMCOOP208.53.248.0/24 AS25732 TOTALCARDINC208.53.250.0/24 AS399439 ATV-PUBLIC208.53.251.0/24 AS399439 ATV-PUBLIC208.53.252.0/24 AS13576 SDNW-13576208.53.253.0/24 AS63172 VENTURE-COMM208.53.254.0/23 AS399439 ATV-PUBLIC
Tools

Check 208.53.192.0/18 live

Looking glassIP to ASN APIRPKI APIIRR API