Data as of Nov 7, 2026
12.46.135.0/24
No anonymizer space · no proxy exits in 30 daysAtos IT Solutions and Services Inc · space held by AT&T Enterprises, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 12.0.0.0/9 | AS7018 | Residential | 8,064 434 always on | AT&T Enterprises, LLC | |
| 12.0.0.0/8 | AS7018 | Residential | 13,307 719 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 | abuse@ |
| └ 12.46.135.0/24 | 256 | SIEMENS437-135 | Siemens Business Services (SBS-49) · US | Reassigned | Jul 23, 2004 | klaus. |
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
AS32382
US
- Name
- Atos IT Solutions and Services Inc
- Type
- Business
- Registered
- Apr 22, 2004
- Domain
- atos.net
- Industry
- Software Development
- 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
- Sep 2017 · 9.1 yr
- Origin networks
- 3
- Last change of origin
- Sep 2017
Recorded history
History
- Handoffs
- 2
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS198949 not the origin | RADB | Atos-US | MAINT-AS198949 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 12.
46. 135. 0/ 24 - Netname
- SIEMENS437-135
- Registrant
- Siemens Business Services
- Organization
- Siemens Business Services (SBS-49)
- Org address
- 39600 EUREKA DRIVE, NEWARK, CA, 94560
- Org country
- US
- Type
- Reassigned
- Handle
- NET-12-46-135-0-1
- Parent
- NET-12-0-0-0-1
- Created
- Jul 23, 2004
- RIR
- ARIN
- Country
- US
- Delegated
- Aug 23, 1983
- Status
- assigned
Report abuse
Abuse contact
- klaus.
bock@ sbs. siemens. com - Name
- Bock, Klaus
- Phone
- +1-510-624-5532
- Handle
- KB614-ARIN