AS2003

Name: AS2003 — Electric Power Research Institute
Creator: ipdex

Electric Power Research Institute Unknown registered in United States

28IPv4 prefixes

0IPv6 prefixes

#13,332AS Rank

327/327RIS visibility

#1,259Rank in United States

1992-09-30Allocated

Electric Power Research Institute (AS2003) — Unknown, registered in United States. announces 28 IPv4 prefixes + 0 IPv6 prefixes. Rank in United States: #1259. Allocated: 1992-09-30.

IPv4 28IPv6 0

Announced prefixes · 28

v4 144.58.0.0/24 unknown
v4 144.58.1.0/24 unknown
v4 144.58.112.0/20 unknown
v4 144.58.129.0/24 unknown
v4 144.58.140.0/24 unknown
v4 144.58.144.0/24 unknown
v4 144.58.176.0/20 unknown
v4 144.58.2.0/24 unknown
v4 144.58.208.0/20 unknown
v4 144.58.224.0/20 unknown
v4 144.58.240.0/21 unknown
v4 144.58.241.0/24 unknown
v4 144.58.248.0/21 unknown
v4 144.58.3.0/24 unknown
v4 144.58.4.0/24 unknown
v4 144.58.40.0/24 unknown
v4 144.58.42.0/24 unknown
v4 144.58.43.0/24 unknown
v4 144.58.44.0/24 unknown
v4 144.58.45.0/24 unknown
v4 144.58.46.0/24 unknown
v4 144.58.48.0/24 unknown
v4 144.58.49.0/24 unknown
v4 144.58.5.0/24 unknown
v4 144.58.50.0/24 unknown
v4 144.58.51.0/24 unknown
v4 144.58.6.0/24 unknown
v4 144.58.96.0/22 unknown

Routing: 28 IPv4 · 0 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-17

Prefix history

Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)

Data table

Day	Announced prefixes
2026-06-12	28
2026-06-13	28

AS topology · Customer cone 1

Providers · 7

AS3356 Level 3 Parent, LLC
AS6461 Zayo Bandwidth
AS15830 Equinix (EMEA) Acquisition Enterprises B.V.
AS20115 Charter Communications LLC
AS33651 Comcast Cable Communications, LLC
AS11351 Charter Communications Inc

Peers · 1

AS1000 LINK AMERICAN

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