Data as of Nov 10, 2026
166.45.0.0/16
No anonymizer space · no proxy exits in 30 daysVerizon Business
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 166.45.0.0/16 | 65,536 | MCI-NETCS16 | Verizon Business (MCICS) · US | Direct Allocation | Mar 24, 1993 | abuse@ |
Network & registry
Announced by
Covering announcement 166.32.0.0/12
- Prefix
- 166.32.0.0/12
- Announced by
- AS3371 Verizon Business
- Type
- Internet provider
- RPKI
- No RPKI
- RIR
- ARIN
IPv4 market
Holder
- Organization
- Not stated by the registry
Origin network
AS3371
US
- Name
- Verizon Business
- Type
- Internet provider
- Registered
- Jan 6, 1994
- Domain
- verizonbusiness.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 166.32.0.0/12
166.32.0.0/12
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Nov 2011 · 15 yr
- Origin networks
- 2
- Last change of origin
- Nov 2011
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
166.32.0.0/12 spans several registrations: 5 records are listed under Registrations.
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 9, 1996
- Status
- assigned