ResearchRouting table, looking glass, RPKI & IRR

45.73.136.0/21 Shrewsbury Electric and Cable Operations

Announced by AS26292 Shrewsbury Electric and Cable Operations. RPKI valid Seen by 5 of our 5 looking glass sessions.

What the table says about 45.73.136.0/21

Origin
AS26292 ASN-SHREWS
RPKI
RPKI valid
Size
2,048 addresses
More specifics
0
IRR route objects
3 exact, 4 covering
In RouteViews
2026-10-12 20:02 UTC

How 45.73.136.0/21 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 174 26292
OriginAS26292 Shrewsbury Electric and Cable Operations
Origin codeIGP
Communities174:21001 174:22013 36601:150 36601:174 36601:2001
Updated4d 20h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 3257 174 26292
OriginAS26292 Shrewsbury Electric and Cable Operations
Origin codeIGP
Communities903:900 903:13760
Updated5d 4h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 27552 26292×4
OriginAS26292 Shrewsbury Electric and Cable Operations
Origin codeIGP
Communities36295:100
Updated5d 4h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 26292
OriginAS26292 Shrewsbury Electric and Cable Operations
Origin codeIGP
Communities174:21001 174:22013
Updated5d 4h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 26292
OriginAS26292 Shrewsbury Electric and Cable Operations
Origin codeIGP
Communities174:21001 174:22013 36295:100 36295:174
Updated8d 22h ago

Route origin authorizations

Covered by a ROA authorizing AS26292 to originate 45.73.128.0/20 up to /24. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
45.73.128.0/20/24AS26292 ASN-SHREWSARIN

Route objects

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

RouteOriginSourceDescriptionMaintained by
45.73.136.0/21AS26292 ASN-SHREWSALTDBProxy-registered route objectMAINT-TOWARDEX
45.73.136.0/21AS26292 ASN-SHREWSLEVEL3Proxy-registered route objectMAINT-TOWARDEX
45.73.136.0/21AS26292 ASN-SHREWSRADBProxy-registered route objectMAINT-AS27552
45.73.128.0/20 coveringAS26292 ASN-SHREWSALTDBProxy-registered route objectMAINT-TOWARDEX
45.73.128.0/20 coveringAS26292 ASN-SHREWSARINShrewsbury Electric & Community Cable 100 Maple Ave. Shrewsbury, MA 01545 USMNT-SHRE
45.73.128.0/20 coveringAS26292 ASN-SHREWSLEVEL3Proxy-registered route objectMAINT-TOWARDEX
45.73.128.0/20 coveringAS26292 ASN-SHREWSRADBProxy-registered route objectMAINT-AS27552

Covering prefixes

Announced prefixes that contain this one, most specific first.

Check 45.73.136.0/21 live