Data as of Nov 7, 2026
173.50.48.0/20
No anonymizer space · no proxy exits in 30 daysVerizon Business
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 173.48.0.0/12 | 1,048,576 | VIS-BLOCK | Verizon Business (MCICS) · US | Direct Allocation | Oct 9, 2008 | abuse@ |
| └ 173.50.49.0/29 | 8 | FTTP | unknown | — | — | — |
| └ 173.50.49.8/29 | 8 | FTTP | unknown | — | — | — |
| └ 173.50.49.16/29 | 8 | FTTP | unknown | — | — | — |
| └ 173.50.49.24/29 | 8 | FTTP | unknown | — | — | — |
| └ 173.50.49.32/29 | 8 | FTTP | unknown | — | — | — |
| └ 173.50.49.40/29 | 8 | FTTP | unknown | — | — | — |
| └ 173.50.49.48/29 | 8 | FTTP | unknown | — | — | — |
| └ 173.50.50.8/29 | 8 | FTTP | unknown | — | — | — |
| └ 173.50.51.0/27 | 32 | FTTP | unknown | — | — | — |
| └ 173.50.53.0/29 | 8 | FTTP | unknown | — | — | — |
| └ 173.50.55.0/28 | 16 | FTTP | unknown | — | — | — |
| └ 173.50.55.16/29 | 8 | FTTP | unknown | — | — | — |
| └ 173.50.55.24/29 | 8 | FTTP | unknown | — | — | — |
| └ 173.50.55.32/28 | 16 | FTTP | unknown | — | — | — |
| └ 173.50.55.48/29 | 8 | FTTP | unknown | — | — | — |
| └ 173.50.55.56/29 | 8 | FTTP | unknown | — | — | — |
| └ 173.50.55.64/29 | 8 | FTTP | unknown | — | — | — |
| └ 173.50.55.72/29 | 8 | FTTP | unknown | — | — | — |
| └ 173.50.55.80/29 | 8 | FTTP | unknown | — | — | — |
| └ 173.50.55.88/29 | 8 | FTTP | unknown | — | — | — |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
4,096 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Residential | 3,896 | 95% | 6 | |
| Business | 200 | 4.9% | 20 |
Network & registry
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 this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Nov 2008
- Current origin since
- May 2013 · 13 yr
- Origin networks
- 2
- Last change of origin
- May 2013
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 173.
48. 0. 0/ 12 - Netname
- VIS-BLOCK
- Registrant
- Verizon Business
- Organization
- Verizon Business (MCICS)
- Org address
- 22001 Loudoun County Pkwy, Ashburn, VA, 20147
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-173-48-0-0-1
- Parent
- NET-173-0-0-0-0
- Created
- Oct 9, 2008
- RIR
- ARIN
- Country
- US
- Delegated
- Oct 9, 2008
- Status
- assigned
Report abuse
Abuse contact
- abuse@
verizon. com - Name
- Abuse
- Phone
- +1-800-900-0241
- Handle
- ABUSE5603-ARIN