Data as of Nov 8, 2026
199.105.176.0/21
No anonymizer space · no proxy exits in 30 daysBloomberg, LP · space held by AT&T Enterprises, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 199.105.0.0/16 since May 2005 | AS7018 | Residential | 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 |
|---|---|---|---|---|---|---|
| 199. | 262,144 | NETBLK-CERFNET-CBLK2 | AT&T Enterprises, LLC (AEL-360) · US | Direct Allocation | Jan 10, 1994 | abuse@ |
| └ 199.105.176.0/21 | 2,048 | ATT-NET-199-105-176-0 | Bloomberg, LP (BLOOMB) · US | Reassigned | Jan 31, 2025 | internic-technical@ |
Network & registry
IPv4 market
Holder
- Organization
- AT&T Enterprises, LLC
- Handle
- AEL-360
- Range
- 199.
105. 0. 0 - 199. 108. 255. 255 - Registration type
- Direct Allocation
- Record created
- Jan 10, 1994
- Legacy
- yes
Origin network
AS10361
US
- Name
- Bloomberg, LP
- Type
- Business
- Registered
- Jul 11, 1997
- Domain
- bloomberg.com
- Website
- www.bloomberg.com
- Industry
- Software Development
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Rotating
- First seen
- Dec 2015
- Current origin since
- Mar 2025 · 1.6 yr
- Origin networks
- 4
- Last change of origin
- Mar 2025
Recorded history
History
- Handoffs
- 3
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS10361 | RADB | Bloomberg L.P. | MAINT-AS10361 | Nov 13, 2023 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 199.105.176.0/24 | AS10361 | RADB | Bloomberg L.P. | MAINT-AS10361 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 199.
105. 176. 0/ 21 - Netname
- ATT-NET-199-105-176-0
- Registrant
- Bloomberg, LP
- Organization
- Bloomberg, LP (BLOOMB)
- Org address
- 731 Lexington Ave, New York, NY, 10022
- Org country
- US
- Type
- Reassigned
- Handle
- NET-199-105-176-0-1
- Parent
- NET-199-105-0-0-1
- Created
- Jan 31, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Jan 10, 1994
- Status
- assigned
Report abuse
Abuse contact
- internic-technical@
bloomberg. com - Name
- Role, Internic-Technical
- Phone
- +1-212-318-2000
- Handle
- RI19-ORG-ARIN