ResearchRouting table, looking glass, RPKI & IRR

216.99.176.0/20 Exelon Corporation

Announced by AS23503 Exelon Corporation. RPKI not found Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 216.99.176.0/20

Prefix
216.99.176.0/20
Origin
AS23503 CONSTELLATION-ENERGY
RPKI
RPKI not found
Size
4,096 addresses
Less specific
none
More specifics
12
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-13 17:13 UTC
Paths

How 216.99.176.0/20 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 202 26425×4 23503
OriginAS23503 Exelon Corporation
Origin codeIGP
Communities202:86 3356:3 3356:22 3356:123 3356:187 3356:189 3356:400 3356:575 3356:600 3356:2010 3549:600 36601:150 36601:2001 36601:13760
Updated5d 15h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 202 26425×4 23503
OriginAS23503 Exelon Corporation
Origin codeIGP
Communities903:900 903:13760
Updated5d 23h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 3356 202 26425×4 23503
OriginAS23503 Exelon Corporation
Origin codeIGP
Communities36295:100
Updated5d 23h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 3356 202 26425×4 23503
OriginAS23503 Exelon Corporation
Origin codeIGP
Communitiesnone
Updated5d 23h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 3356 202 26425×4 23503
OriginAS23503 Exelon Corporation
Origin codeIGP
Communities174:21000 174:22013 36295:100 36295:174
Updated9d 16h 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.

RouteOriginSourceDescriptionMaintained by
216.99.176.0/20AS23503 CONSTELLATION-ENERGYRADBProxy routeMAINT-AS7545
More specific

Prefixes inside 216.99.176.0/20

12 announced prefixes fall inside this one.

Show the 12 prefixes
216.99.176.0/23 AS23503 CONSTELLATION-ENERGY216.99.179.0/24 AS23503 CONSTELLATION-ENERGY216.99.180.0/24 AS23503 CONSTELLATION-ENERGY216.99.181.0/24 AS23503 CONSTELLATION-ENERGY216.99.182.0/24 AS23503 CONSTELLATION-ENERGY216.99.183.0/24 AS23503 CONSTELLATION-ENERGY216.99.185.0/24 AS23503 CONSTELLATION-ENERGY216.99.186.0/24 AS23503 CONSTELLATION-ENERGY216.99.187.0/24 AS23503 CONSTELLATION-ENERGY216.99.188.0/24 AS23503 CONSTELLATION-ENERGY216.99.189.0/24 AS23503 CONSTELLATION-ENERGY216.99.191.0/24 AS23503 CONSTELLATION-ENERGY
Tools

Check 216.99.176.0/20 live

Looking glassIP to ASN APIRPKI APIIRR API