Autonomous system profile

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

AS27313

Announcement observedARIN

SPENCER-STUART - Spencer Stuart · SPENCER-STUART

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

Last active10/12/2026, 00:06:25Snapshot expired

View network topology RDAP registration

ASN: AS27313
Registration country: United States
Name: SPENCER-STUART - Spencer Stuart
Abbreviation: SPENCER-STUART
Registration date: 5/12/2008, 17:06:55
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
204.79.137.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 16:00:00	✓	×	Currently valid
204.79.138.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 16:00:00	✓	×	Currently valid
204.79.140.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 16:00:00	✓	×	Currently valid
204.79.172.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/11/2026, 16:00:00	✓	×	Currently valid

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

Registration and sources

Organization: SPENCER-STUART - Spencer Stuart
RIR: ARIN
Registration country: United States
Registration date: 5/12/2008, 17:06:55
Abuse contact: amancuso@spencerstuart.com

Snapshot trend

10/12/2026, 00:06:254 v40 v63 Upstream · 0 Uncertain

10/4/2026, 05:36:554 v40 v64 Upstream · 0 Uncertain

10/1/2026, 22:58:034 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