Autonomous system profile

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

AS4195

Announcement observedARIN

D. E. Shaw & Co. LP · SHAW

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

Last active10/30/2026, 19:11:54Snapshot expired

View network topology RDAP registration

ASN: AS4195
Registration country: United States
Name: D. E. Shaw & Co. LP
Abbreviation: SHAW
Registration date: 12/16/1994, 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
103.145.16.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/30/2026, 16:00:00	✓	×	Currently valid
149.77.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/30/2026, 16:00:00	✓	×	Currently valid
149.77.192.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/30/2026, 16:00:00	✓	×	Currently valid
149.77.194.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/30/2026, 16:00:00	✓	×	Currently valid
149.77.195.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/30/2026, 16:00:00	✓	×	Currently valid
149.77.198.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/30/2026, 16:00:00	✓	×	Currently valid
149.77.208.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/30/2026, 16:00:00	✓	×	Currently valid
149.77.232.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/30/2026, 16:00:00	✓	×	Currently valid
149.77.254.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/30/2026, 16:00:00	✓	×	Currently valid
149.77.48.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/30/2026, 16:00:00	✓	×	Currently valid
149.77.49.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/30/2026, 16:00:00	✓	×	Currently valid
149.77.92.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/30/2026, 16:00:00	✓	×	Currently valid
149.77.93.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/30/2026, 16:00:00	✓	×	Currently valid
149.77.94.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/30/2026, 16:00:00	✓	×	Currently valid
149.77.95.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/30/2026, 16:00:00	✓	×	Currently valid
149.77.97.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/30/2026, 16:00:00	✓	×	Currently valid
149.77.99.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/30/2026, 16:00:00	✓	×	Currently valid
160.30.203.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/30/2026, 16:00:00	✓	×	Currently valid
205.231.102.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/30/2026, 16:00:00	✓	×	Currently valid
205.231.104.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/30/2026, 16:00:00	✓	×	Currently valid
205.231.96.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	10/30/2026, 16:00:00	✓	×	Currently valid

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

Registration and sources

Organization: D. E. Shaw & Co. LP
RIR: ARIN
Registration country: United States
Registration date: 12/16/1994, 05:00:00
Abuse contact: netadmin@deshaw.net

Snapshot trend

10/30/2026, 19:11:5421 v40 v613 Upstream · 0 Uncertain

10/17/2026, 11:40:1021 v40 v614 Upstream · 0 Uncertain

9/29/2026, 11:20:5821 v40 v613 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