Data as of Nov 3, 2026
173.72.16.0/27
1 residential-proxy exit · 30 daysVerizon Business
Residential-proxy exits
Proxy exits
1
3.1% of its addresses · 30 days
Providers
1
selling exits here
Oct 4, 2026 – Nov 2, 2026
Exits seen per day
1 observation
Proxy providers listing exits
- Byteful
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 |
|---|---|---|---|---|---|---|
| 173.64.0.0/12 | 1,048,576 | VIS-BLOCK | Verizon Business (MCICS) · US | Direct Allocation | Aug 11, 2008 | [email protected] |
| └ 173.72.16.0/27 | 32 | FTTP | unknown | — | — | — |
Network & registry
Announced by
Covering announcement 173.72.0.0/17
- Prefix
- 173.72.0.0/17
- Announced by
- AS701 Verizon Business
- Type
- Residential
- Proxy exits
- 617
- Always-on exits
- 164
- RPKI
- RPKI valid
- Netname
- VIS-BLOCK
- 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 173.72.0.0/17
173.72.0.0/17
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
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 173.72.0.0/17 | AS701 | /17 | ARIN | RPKI valid |
IRR
Route objects on 173.72.0.0/17
| 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
- 173.64.0.0/12
- 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-173-64-0-0-1
- Parent
- NET-173-0-0-0-0
- Created
- Aug 11, 2008
- RIR
- ARIN
- Country
- US
- Delegated
- Aug 11, 2008
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Abuse
- Phone
- +1-800-900-0241
- Handle
- ABUSE5603-ARIN