Data as of Nov 8, 2026
70.255.120.0/24
No anonymizer space · no proxy exits in 30 daysCisco IoT · space held by AT&T Enterprises, LLC
Announcement
this exact prefix
No RPKI
Announced by
Type
Business
Risk
0 / 100 · Low
Recent change
New origin Oct 22, 2026
its first announcement on record
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 70.252.0.0/14 since Dec 2017 | AS7018 | Residential | 496 52 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 |
|---|---|---|---|---|---|---|
| 70. | 294,912 | SBCIS-SIS80 | AT&T Enterprises, LLC (AEL-360) · US | Direct Allocation | Feb 25, 2004 | abuse@ |
| └ 70.255.120.0/24 | 256 | REASSIGN-70-255-120-0-24 | Cisco IoT (CS-2821) · US | Reassigned | Sep 10, 2026 | iot-nes-arin-admin@ |
Network & registry
IPv4 market
Holder
- Organization
- AT&T Enterprises, LLC
- Handle
- AEL-360
- Range
- 70.
251. 128. 0 - 70. 255. 255. 255 - Registration type
- Direct Allocation
- Record created
- Feb 25, 2004
Origin network
AS36180
US
- Name
- Cisco IoT
- Type
- Business
- Registered
- Sep 29, 2005
- Domain
- cisco.com
- Industry
- Service
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Oct 22, 2026
- Current origin since
- Oct 22, 2026 · under a month
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 70.
255. 120. 0/ 24 - Netname
- REASSIGN-70-255-120-0-24
- Registrant
- Cisco IoT
- Organization
- Cisco IoT (CS-2821)
- Org address
- 170 West Tasman Dr, San Jose, CA, 95134-1706
- Org country
- US
- Type
- Reassigned
- Handle
- NET-70-255-120-0-1
- Parent
- NET-70-251-128-0-1
- Created
- Sep 10, 2026
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 25, 2004
- Status
- assigned
Report abuse
Abuse contact
- iot-nes-arin-admin@
cisco. com - Name
- ADMIN
- Phone
- +1-844-674-7288
- Handle
- ADMIN7957-ARIN