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AS53833Ionia County ISD

United StatesRegistryARIN

As of 25th October 2026, AS53833 (Ionia County ISD), a network registered in the United States with ARIN, originates 10 IPv4 prefixes covering 5.4k addresses. By IPv4 address space that makes it the 15,015th-largest of the 79,675 networks we see originating IPv4, and the 4,268th-largest of 18,492 in the United States. It is seen behind 1 upstream network, most often AS401307 (Michigan Statewide Educational Network). Every one of its announcements has a valid RPKI ROA, and none are RPKI-invalid. 100% of its routes reach at least 90% of full-feed peers.

At a glance

IPv4 prefixes

10

IPv6 prefixes

0

IPv4 addresses

5.4k

IPv6 /64s

0

Upstream graph

The networks AS53833 is seen behind, one and two hops out, drawn from real AS paths.

AS53833Toward the internet core
Upstream graph for AS53833: 2 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS53833Ionia County ISDThis networkAS401307Michigan Statewid…AS12129123.Net, Inc.

Networks observed one and two hops upstream of AS53833 in real AS paths. A thicker line means more vantage points saw that adjacency, so weight tracks how well attested it is — not how much traffic it carries. Adjacency is an observation; whether it is a transit purchase or a settlement-free peering is an inference, and is labelled as one wherever we show it.

Neighbouring networks

2

adjacent networks

Upstreams
150%
Peers
150%
Downstreams
00%

Networks carrying this one's traffic toward the rest of the internet.

Upstreams of AS53833
NetworkCountryRelationshipPathsVantage pts
AS401307Michigan Statewide Educational NetworkUSPeer76076

Prefixes

The largest blocks AS53833 originates, widest first.

Largest prefixes originated by AS53833
PrefixAddressesVisibility
66.39.232.0/212k76/76
66.39.224.0/2351276/76
66.39.226.0/2351276/76
66.39.248.0/2351276/76
66.39.250.0/2351276/76
66.39.228.0/2425676/76
66.39.230.0/2425676/76
66.39.231.0/2425676/76
66.39.252.0/2425676/76
66.39.255.0/2425676/76

Routing health

How AS53833's own announcements validate against RPKI and how far they propagate. The same measures for the whole routing table are on the routing table in numbers.

RPKI origin validation

  • Valid100.0%10
  • Invalid0.0%0
  • No ROA0.0%0

Propagation

  • Globally propagated90% of full-feed peers or more100.0%10
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%0.0%0

Prefix sizes

IPv4 — 10 prefixes

Recent changes

Announcements that started or stopped since 25th Sept 2026.

No announcement by AS53833 started or stopped in this period.

Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.