Data as of Nov 10, 2026
166.43.0.0/16
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 |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 166.43.144.0/20 since Nov 2021 | AS3372 | Internet provider | Verizon Business | |
| 166.43.160.0/20 since Sep 2021 | AS3372 | Internet provider | Verizon Business | |
| 166.43.176.0/20 since Sep 2021 | AS3372 | Internet provider | Verizon Business |
Network & 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
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Sep 2021
- Current origin since
- Sep 2021 · 5.2 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 166.
42. 0. 0 - 166. 44. 255. 255 - Netname
- MCI-NETCS13
- Registrant
- Verizon Business
- Organization
- Verizon Business (MCICS)
- Org address
- 22001 Loudoun County Pkwy, Ashburn, VA, 20147
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-166-42-0-0-1
- Parent
- NET-166-0-0-0-0
- Created
- Mar 24, 1993
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 24, 1993
- Status
- assigned
Report abuse
Abuse contact
- abuse@
verizon. com - Name
- Abuse
- Phone
- +1-800-900-0241
- Handle
- ABUSE5603-ARIN