Autonomous system profile

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

AS31986

Announcement observedARIN

TENASKA-INC - Tenaska, Inc. · TENASKA-INC

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

Last active10/2/2026, 10:49:05Snapshot expired

View network topology RDAP registration

ASN: AS31986
Registration country: United States
Name: TENASKA-INC - Tenaska, Inc.
Abbreviation: TENASKA-INC
Registration date: 12/12/2024, 12:03:50
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
208.87.149.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/2/2026, 00:00:00	✓	×	Currently valid
208.87.150.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/2/2026, 00:00:00	✓	×	Currently valid

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

Registration and sources

Organization: TENASKA-INC - Tenaska, Inc.
RIR: ARIN
Registration country: United States
Registration date: 12/12/2024, 12:03:50
Abuse contact: enterprisenetworkteam@tenaska.com

Snapshot trend

10/2/2026, 10:49:052 v40 v63 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