Data as of Nov 11, 2026
204.51.78.0/24
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 |
|---|---|---|---|---|---|---|
| 204.51.64.0/18 | 16,384 | TERRENAP-0-20 | Verizon Business (MCICS) · US | Direct Allocation | Jun 9, 2009 | abuse@ |
| └ 204.51.78.0/24 | 256 | TERRENAP-0-20 | unknown | — | — | — |
Network & registry
Announced by
Covering announcement 204.51.64.0/18
- Prefix
- 204.51.64.0/18
- Announced by
- AS701 Verizon Business
- Type
- Internet provider
- RPKI
- No RPKI
- Netname
- TERRENAP-0-20
- Registrant
- Verizon Business
- RIR
- ARIN
Origin network
AS701
US
- Name
- Verizon Business
- Type
- Internet provider
- Registered
- Aug 3, 1990
- Domain
- verizonbusiness.com
- Website
- www.verizon.com/business/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 204.51.64.0/18
204.51.64.0/18
Routing history
- Pattern
- Stable
- First seen
- Jun 2009
- Current origin since
- Aug 2021 · 5.2 yr
- Origin networks
- 2
- Last change of origin
- Aug 2021
Recorded history
History
- Handoffs
- 1
IRR
Route objects on 204.51.64.0/18
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS701 | ARIN | MCI Communications Services, LLC d/b/a Verizon Business | MNT-MCICS | Nov 5, 2021 |
Whois
Registration for this announcement
- Range
- 204.
51. 64. 0/ 18 - Netname
- TERRENAP-0-20
- Registrant
- Verizon Business
- Organization
- Verizon Business (MCICS)
- Org address
- 22001 Loudoun County Pkwy, Ashburn, VA, 20147
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-204-51-64-0-1
- Parent
- NET-204-0-0-0-0
- Created
- Jun 9, 2009
- RIR
- ARIN
- Country
- US
- Delegated
- Jun 9, 2009
- Status
- assigned
Report abuse
Abuse contact
- abuse@
verizon. com - Name
- Abuse
- Phone
- +1-800-900-0241
- Handle
- ABUSE5603-ARIN