Data as of Nov 6, 2026
204.128.55.0/24
No anonymizer space · no proxy exits in 30 daysMarketaxess Holdings, Inc.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 204.128.52.0/22 since Sep 2013 | AS40841 | Business | Marketaxess Holdings, Inc. |
Network & registry
Origin network
AS40841
US
- Name
- Marketaxess Holdings, Inc.
- Type
- Business
- Registered
- Apr 29, 2008
- Domain
- marketaxess.com
- Industry
- Banks, Credit Card Companies, Mortgage Providers
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2010
- Current origin since
- May 2010 · 16 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS40841 | RADB | MarketAxess | MAINT-AS27506 | Jul 12, 2024 |
Whois
Registration for this announcement
- Range
- 204.
128. 52. 0/ 22 - Netname
- MARKETAXESS-INC-NETBLK-1
- Registrant
- Marketaxess Holdings, Inc.
- Organization
- Marketaxess Holdings, Inc. (MARKE-84)
- Org address
- 299 Park Avenue, 10th Floor, NEW YORK, NY, 10171
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-204-128-52-0-1
- Parent
- NET-204-0-0-0-0
- Created
- Jan 22, 2009
- RIR
- ARIN
- Country
- US
- Delegated
- Jan 22, 2009
- Status
- assigned
Report abuse
Abuse contact
- NETWORK@
marketaxess. com - Name
- Network Engineering - MarketAxess Holdings inc
- Phone
- +1-212-813-6000
- Handle
- NEMH-ARIN