Data as of Nov 4, 2026
70.144.76.0/22
No anonymizer space · no proxy exits in 30 daysCisco IoT · space held by 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 |
|---|---|---|---|---|---|---|
| 70.144.0.0/16 | 65,536 | BELLSNET-BLK15 | AT&T Enterprises, LLC (AEL-360) · US | Direct Allocation | Jul 28, 2004 | abuse@ |
| └ 70.144.64.0/18 | 16,384 | 70-144-64-0-18 | Cisco IoT (CS-2821) · US | Reassigned | Jan 23, 2025 | iot-nes-arin-admin@ |
Network & registry
IPv4 market
Holder
- Organization
- AT&T Enterprises, LLC
- Handle
- AEL-360
- Range
- 70.
144. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- Jul 28, 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
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Feb 2026
- Current origin since
- Feb 2026 · 9 mo
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 70.
144. 64. 0/ 18 - Netname
- 70-144-64-0-18
- 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-70-144-64-0-1
- Parent
- NET-70-144-0-0-1
- Created
- Jan 23, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Jul 28, 2004
- Status
- assigned
Report abuse
Abuse contact
- iot-nes-arin-admin@
cisco. com - Name
- ADMIN
- Phone
- +1-844-674-7288
- Handle
- ADMIN7957-ARIN