AS81

Name: AS81 — MCNC
Creator: ipdex

MCNC Education registered in United States

142IPv4 prefixes

4IPv6 prefixes

79%RPKI-valid

#959AS Rank

327/327RIS visibility

#221Rank in United States

1986-08-07Allocated

MCNC (AS81) — Education, registered in United States. announces 142 IPv4 prefixes + 4 IPv6 prefixes. Rank in United States: #221. Allocated: 1986-08-07.

IPv4 142IPv6 4

Announced prefixes · 146

v4 128.109.0.0/16 valid
v4 152.10.0.0/16 unknown
v4 152.11.0.0/16 unknown
v4 152.12.0.0/16 unknown
v4 152.18.0.0/16 unknown
v4 152.20.0.0/16 unknown
v4 152.21.0.0/16 unknown
v4 152.22.0.0/16 valid
v4 152.22.32.0/21 valid
v4 152.22.40.0/21 valid
v4 152.22.48.0/21 valid
v4 152.22.64.0/21 valid
v4 152.22.72.0/21 valid
v4 152.22.80.0/21 valid
v4 152.26.0.0/16 valid
v4 152.26.16.0/24 valid
v4 152.26.208.0/24 valid
v4 152.26.209.0/24 valid
v4 152.26.210.0/24 valid
v4 152.26.211.0/24 valid
v4 152.26.212.0/24 valid
v4 152.26.213.0/24 valid
v4 152.26.44.0/24 valid
v4 152.26.60.0/24 valid
v4 152.26.69.0/24 valid
v4 152.27.0.0/16 valid
v4 152.27.12.0/24 valid
v4 152.28.0.0/16 valid
v4 152.28.1.0/24 valid
v4 152.29.0.0/16 valid
v4 152.30.0.0/16 valid
v4 152.30.10.0/24 valid
v4 152.30.92.0/22 valid
v4 152.30.92.0/24 valid
v4 152.32.0.0/18 unknown
v4 152.35.0.0/16 unknown
v4 152.38.0.0/18 unknown
v4 152.38.160.0/19 unknown
v4 152.38.17.0/24 unknown
v4 152.38.18.0/24 unknown
v4 152.38.192.0/20 unknown
v4 152.38.208.0/20 unknown
v4 152.38.224.0/19 unknown
v4 152.38.64.0/19 unknown
v4 152.4.0.0/16 unknown
v4 152.40.0.0/16 valid
v4 152.42.64.0/18 unknown
v4 152.45.0.0/16 valid
v4 152.45.1.0/24 valid
v4 152.45.10.0/24 valid

RPKI: rpki.cloudflare.com · 2026-06-17

Routing: 142 IPv4 · 4 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	146
2026-06-13	146

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AS81

Announced prefixes · 146

Prefix history

AS topology · Customer cone 39

Providers · 7

Peers · 1

Customers · 37

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