Autonomous system profile

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

AS54027

Announcement observedARIN

Seattle Public Schools · SEATTLE-PUBLIC-SCHOOLS

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

Last active10/5/2026, 02:08:31Snapshot expired

View network topology RDAP registration

ASN: AS54027
Registration country: United States
Name: Seattle Public Schools
Abbreviation: SEATTLE-PUBLIC-SCHOOLS
Registration date: 12/21/2023, 12:57:21
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
216.186.52.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/4/2026, 16:00:00	✓	×	Currently valid
216.186.62.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/4/2026, 16:00:00	✓	×	Currently valid
216.186.64.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/4/2026, 16:00:00	✓	×	Currently valid
216.186.66.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/4/2026, 16:00:00	✓	×	Currently valid
216.186.96.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/4/2026, 16:00:00	✓	×	Currently valid
216.210.20.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/4/2026, 16:00:00	✓	×	Currently valid

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

Registration and sources

Organization: Seattle Public Schools
RIR: ARIN
Registration country: United States
Registration date: 12/21/2023, 12:57:21
Abuse contact: sps-noc@seattleschools.org

Snapshot trend

10/5/2026, 02:08:316 v40 v61 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 · iana-rdap-asn-bootstrap · rir-rdap-asn