Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS40252

Announcement observedARIN

CLEVELAND-MUNICIPAL-SCHOOL-DISTRICT - Cleveland Municipal School District · CLEVELAND-MUNICIPAL-SCHOOL-DISTRICT

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active9/30/2026, 23:46:11Snapshot expired

View network topology RDAP registration

ASN: AS40252
Registration country: United States
Name: CLEVELAND-MUNICIPAL-SCHOOL-DISTRICT - Cleveland Municipal School District
Abbreviation: CLEVELAND-MUNICIPAL-SCHOOL-DISTRICT
Registration date: 9/26/2006, 18:00:45
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
208.71.72.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/10/2026, 16:00:00	✓	×	Currently valid
208.71.72.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/10/2026, 16:00:00	✓	×	Currently valid
208.71.73.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/10/2026, 16:00:00	✓	×	Currently valid
208.71.74.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/10/2026, 16:00:00	✓	×	Currently valid
208.71.75.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/10/2026, 16:00:00	✓	×	Currently valid
208.71.76.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/10/2026, 16:00:00	✓	×	Currently valid
208.71.77.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/10/2026, 16:00:00	✓	×	Currently valid
208.71.78.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/10/2026, 16:00:00	✓	×	Currently valid
208.71.79.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/10/2026, 16:00:00	✓	×	Currently valid

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: CLEVELAND-MUNICIPAL-SCHOOL-DISTRICT - Cleveland Municipal School District
RIR: ARIN
Registration country: United States
Registration date: 9/26/2006, 18:00:45
Abuse contact: abuse@Clevelandmetroschools.org

Snapshot trend

9/30/2026, 23:46:119 v40 v63 Upstream · 0 Uncertain

9/30/2026, 23:27:400 v40 v60 Upstream · 0 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · rir-rdap-asn · iana-rdap-asn-bootstrap