Data as of Nov 3, 2026
166.40.220.0/23
No anonymizer space · no proxy exits in 30 daysVerizon Business
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | RPKI |
|---|---|---|---|
| 166.32.0.0/12 since Nov 2011 | AS3371 | Internet provider |
Network & registry
Announced by
Covering announcement 166.40.216.0/21
- Prefix
- 166.40.216.0/21
- Announced by
- AS3372 Verizon Business
- Type
- Internet provider
- RPKI
- No RPKI
- Netname
- MCI-NETCS3
- Registrant
- Verizon Business
- RIR
- ARIN
Origin network
AS3372
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
Covering aggregate above, the prefix's own history below
166.40.216.0/21
Routing history
- Pattern
- Stable
- First seen
- Apr 2019
- Current origin since
- Apr 2019 · 7.5 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 166.32.0.0 - 166.40.255.255
- Netname
- MCI-NETCS3
- Registrant
- Verizon Business
- Organization
- Verizon Business (MCICS)
- Org address
- 22001 Loudoun County Pkwy, Ashburn, VA, 20147
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-166-32-0-0-1
- Parent
- NET-166-0-0-0-0
- Created
- Dec 9, 1996
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 9, 1996
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Abuse
- Phone
- +1-800-900-0241
- Handle
- ABUSE5603-ARIN