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ASN Lookup Tool
AS40841 MARKETAXESS-INC-AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS40841
Organisation
MARKETAXESS HOLDINGS, INC.
Name
MARKETAXESS-INC-AS
Total IPv4 Addresses
3,584
Total IPv4 Prefixes
13
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#17,369 out of 77,680
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
2008-04-29
Registration Last Change
2022-09-06
Receiving From

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

ASN
Organisation
AS3356
US flagLevel 3 Parent, LLC
AS174
US flagCogent Communications
AS3257
US flagGTT Communications Inc.
AS6461
US flagZayo Bandwidth
AS8220
GB flagCOLT Technology Services Group Limited
Showing 5 of 6
IPv4 Active Prefixes

This provides the list of IPv4 address space routes/prefixes currently announced on Border Gateway Protocol (BGP).

Prefix38.108.243.0/24
Range From38.108.243.0
Range To38.108.243.255
Prefix64.215.249.0/24
Range From64.215.249.0
Range To64.215.249.255
Prefix192.69.225.0/24
Range From192.69.225.0
Range To192.69.225.255
Prefix192.69.226.0/24
Range From192.69.226.0
Range To192.69.226.255
Prefix194.69.74.0/24
Range From194.69.74.0
Range To194.69.74.255
Showing 5 of 13
Autonomous System (AS) is a network (or collection of networks) that are all managed and supervised by a single entity or organisation. This tool provides a comprehensive ownership and connectivity report for any given AS number.