Autonomous system profile

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

AS19356

Announcement observedARIN

Tohono O'Odham Utility Authority · TOUA-NOC

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

Last active10/1/2026, 01:25:12Snapshot expired

View network topology RDAP registration

ASN: AS19356
Registration country: United States
Name: Tohono O'Odham Utility Authority
Abbreviation: TOUA-NOC
Registration date: 12/20/2000, 05:00:00
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
38.64.112.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	9/30/2026, 16:00:00	✓	×	Currently valid
64.25.64.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	9/30/2026, 16:00:00	✓	×	Currently valid
64.25.69.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	9/30/2026, 16:00:00	✓	×	Currently valid
64.25.74.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	9/30/2026, 16:00:00	✓	×	Currently valid

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

Registration and sources

Organization: Tohono O'Odham Utility Authority
RIR: ARIN
Registration country: United States
Registration date: 12/20/2000, 05:00:00
Abuse contact: cheri.robinson@hq.toua.net

Snapshot trend

10/1/2026, 01:25:124 v40 v62 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