Data as of Nov 3, 2026
12.151.231.0/24
No anonymizer space · no proxy exits in 30 daysTradeWeb, LLC · space held by AT&T Enterprises, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Leased from | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|---|
| 12.128.0.0/9 | AS7018 | Residential | IP broker Rackdog (part) | 5,160 278 always on | AT&T Enterprises, LLC | |
| 12.0.0.0/8 | AS7018 | Residential | 13,255 715 always on | AT&T Enterprises, LLC |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 12.0.0.0/8 | 16,777,216 | ATT | AT&T Enterprises, LLC (AEL-360) · US | Direct Allocation | Aug 23, 1983 | [email protected] |
| └ 12.151.228.0/22 | 1,024 | ACC-TRAD126-228 | ACC-Tradeweb Markets LLC (C08486698) · US | Reassigned | May 29, 2022 | [email protected] via ATT |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
IPv4 market
Holder
- Organization
- AT&T Enterprises, LLC
- Handle
- AEL-360
- Range
- 12.0.0.0/8
- Registration type
- Direct Allocation
- Record created
- Aug 23, 1983
- Legacy
- yes
Origin network
AS10584
US
- Name
- TradeWeb, LLC
- Type
- Hosting
- Registered
- Sep 24, 1997
- Domain
- tradeweb.com
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Jul 2015 · 11 yr
- Origin networks
- 2
- Last change of origin
- Jul 2015
Recorded history
History
- Handoffs
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS19905 not the origin | RADB | AC_TRADEWEBTR | MAINT-AS19905 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 12.151.228.0/22
- Netname
- ACC-TRAD126-228
- Registrant
- ACC-Tradeweb Markets LLC
- Organization
- ACC-Tradeweb Markets LLC (C08486698)
- Type
- Reassigned
- Handle
- NET-12-151-228-0-1
- Parent
- NET-12-0-0-0-1
- Created
- May 29, 2022
- RIR
- ARIN
- Country
- US
- Delegated
- Aug 23, 1983
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- abuse
- Phone
- +1-919-319-8167
- Handle
- ABUSE7-ARIN