Autonomous system profile

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

AS40841

Announcement observedARIN

MARKETAXESS HOLDINGS, INC. · MARKETAXESS-INC-AS

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

Last active10/3/2026, 10:16:20Snapshot expired

View network topology RDAP registration

ASN: AS40841
Registration country: United States
Name: MARKETAXESS HOLDINGS, INC.
Abbreviation: MARKETAXESS-INC-AS
Registration date: 4/29/2008, 19:30:02
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
192.69.225.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	10/3/2026, 00:00:00	✓	×	Currently valid
192.69.226.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	10/3/2026, 00:00:00	✓	×	Currently valid
194.69.74.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	10/3/2026, 00:00:00	✓	×	Currently valid
194.69.74.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	10/3/2026, 00:00:00	✓	×	Currently valid
194.69.75.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	10/3/2026, 00:00:00	✓	×	Currently valid
194.69.80.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	10/3/2026, 00:00:00	✓	×	Currently valid
194.69.80.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	9/19/2026, 08:00:00	✓	×	Historical record
194.69.82.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	10/3/2026, 00:00:00	✓	×	Currently valid
204.128.52.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	10/3/2026, 00:00:00	✓	×	Currently valid
204.128.52.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	9/19/2026, 08:00:00	✓	×	Historical record
204.128.53.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	10/3/2026, 00:00:00	✓	×	Currently valid
204.128.54.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	10/3/2026, 00:00:00	✓	×	Currently valid
204.128.55.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	10/3/2026, 00:00:00	✓	×	Currently valid
38.108.243.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	10/3/2026, 00:00:00	✓	×	Currently valid
64.215.249.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	10/3/2026, 00:00:00	✓	×	Currently valid

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

Registration and sources

Organization: MARKETAXESS HOLDINGS, INC.
RIR: ARIN
Registration country: United States
Registration date: 4/29/2008, 19:30:02
Abuse contact: NETWORK@marketaxess.com

Snapshot trend

10/3/2026, 10:16:2015 v40 v66 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