AS53833 — ICISD - Ionia County ISD

AS53833 announces 7 IPv4 prefixes covering 5,376 addresses and 0 IPv6 prefixes.

About this network

ICISD is operated by Ionia County ISD.

What it's used for

• The address space carries the network infrastructure for the Ionia County Intermediate School District, as indicated by the netname IONIAISD and registrant Ionia County ISD across all announced prefixes.
• The AS announces 5,376 IPv4 addresses across 7 prefixes with a single observed neighbour, a ratio that indicates an isolated access or internal network rather than a transit provider.
• Traffic from this AS consists of data for school staff, students, and administrative systems within the Ionia County school district in Michigan.

Notable

• All registrants agree with the announcer, consistently listing Ionia County ISD for every prefix in the inventory.
• The address inventory is a contiguous block within the 66.39.0.0/16 range, subdivided into seven prefixes of varying sizes, with no IPv6 prefixes announced.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 66.39.224.0/22
• 66.39.228.0/24
• 66.39.230.0/23
• 66.39.232.0/21
• 66.39.248.0/22
• 66.39.252.0/24
• 66.39.255.0/24

Upstream networks

• AS401307 Michigan Statewide Educational Network

Adjacent networks

• AS401307 Michigan Statewide Educational Network

Routing security

• RPKI: 10 valid, 0 invalid and 0 not-found announcements; 7 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 16 route objects.
• Listed in as-sets: AS-CHTR-BB, AS-HURRICANE, AS401307:AS-CUSTOMERS.