Autonomous system profile

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

AS27399

Announcement observedARIN

Balyasny Asset Management L.P. · BAM-US

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

Last active10/1/2026, 23:01:12Snapshot expired

View network topology RDAP registration

ASN: AS27399
Registration country: United States
Name: Balyasny Asset Management L.P.
Abbreviation: BAM-US
Registration date: 2/26/2003, 22:45:06
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
103.158.202.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/30/2026, 16:00:00	✓	×	Currently valid
103.158.203.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/30/2026, 16:00:00	✓	×	Currently valid
136.175.142.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/30/2026, 16:00:00	✓	×	Currently valid
136.175.143.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/30/2026, 16:00:00	✓	×	Currently valid
185.179.88.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/30/2026, 16:00:00	✓	×	Currently valid
38.103.125.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/30/2026, 16:00:00	✓	×	Currently valid
38.126.139.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/30/2026, 16:00:00	✓	×	Currently valid
38.131.243.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/30/2026, 16:00:00	✓	×	Currently valid
38.89.137.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/30/2026, 16:00:00	✓	×	Currently valid
67.155.2.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/30/2026, 16:00:00	✓	×	Currently valid
82.98.194.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 16:00:00	10/30/2026, 16:00:00	✓	×	Currently valid

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

Registration and sources

Organization: Balyasny Asset Management L.P.
RIR: ARIN
Registration country: United States
Registration date: 2/26/2003, 22:45:06
Abuse contact: EXT-SOC@bamfunds.com

Snapshot trend

10/1/2026, 23:01:1211 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 · iana-rdap-asn-bootstrap · rir-rdap-asn