AS20004

Name: AS20004 — Midcontinent Independent System Operator, Inc.
Creator: ipdex

Midcontinent Independent System Operator, Inc. Unknown registered in United States

5IPv4 prefixes

0IPv6 prefixes

#20,301AS Rank

327/327RIS visibility

#5,293Rank in United States

2001-03-13Allocated

Midcontinent Independent System Operator, Inc. (AS20004) — Unknown, registered in United States. announces 5 IPv4 prefixes + 0 IPv6 prefixes. Rank in United States: #5293. Allocated: 2001-03-13.

IPv4 5IPv6 0

Announced prefixes · 5

v4 148.142.64.0/19 unknown
v4 148.142.64.0/21 unknown
v4 148.142.72.0/21 unknown
v4 148.142.80.0/21 unknown
v4 148.142.88.0/21 unknown

Routing: 5 IPv4 · 0 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-19

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	5
2026-06-13	5

AS topology · Customer cone 1

Providers · 3

AS3356 Level 3 Parent, LLC
AS46887 Zayo Bandwidth
AS32787 Akamai Technologies, Inc.

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