Data as of Nov 10, 2026
192.203.63.136/29
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 |
|---|---|---|---|---|---|---|
| 192. | 8,192 | NETBLK-UUNETCUSC | Verizon Business (MCICS) · US | Direct Allocation | Aug 4, 1992 | abuse@ |
| └ 192.203.63.136/29 | 8 | UU-192-203-63-136 | unknown | — | — | — |
Network & registry
Announced by
Covering announcement 192.203.48.0/20
- Prefix
- 192.203.48.0/20
- Announced by
- AS701 Verizon Business
- Type
- Internet provider
- RPKI
- No RPKI
- Netname
- NETBLK-UUNETCUSC
- 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 192.203.48.0/20
192.203.48.0/20
Routing history
- Pattern
- Stable
- First seen
- Apr 2006
- Current origin since
- Apr 2006 · 21 yr
- Origin networks
- 1
IRR
Route objects on 192.203.48.0/20
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS701 | ARIN | MCI Communications Services, LLC d/b/a Verizon Business | MNT-MCICS | Nov 12, 2021 |
Whois
Registration for this announcement
- Range
- 192.
203. 45. 0 - 192. 203. 76. 255 - Netname
- NETBLK-UUNETCUSC
- Registrant
- Verizon Business
- Organization
- Verizon Business (MCICS)
- Org address
- 22001 Loudoun County Pkwy, Ashburn, VA, 20147
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-192-203-45-0-1
- Parent
- NET-192-0-0-0-0
- Created
- Aug 4, 1992
- RIR
- ARIN
- Country
- US
- Delegated
- Aug 4, 1992
- Status
- assigned
Report abuse
Abuse contact
- abuse@
verizon. com - Name
- Abuse
- Phone
- +1-800-900-0241
- Handle
- ABUSE5603-ARIN