Data as of Nov 9, 2026
66.133.171.0/24
No anonymizer space · no proxy exits in 30 daysFrontier Communications of America, Inc. · space held by Verizon Business
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 66.133.128.0/18 since Jun 2007 | AS5650 | Residential | 24 3 always on | Verizon 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 |
|---|---|---|---|---|---|---|
| 66.133.128.0/18 | 16,384 | FRONTIERCOMMUNICATIONS | Verizon Business (MCICS) · US | Direct Allocation | Jul 11, 2001 | abuse@ |
| └ 66.133.171.0/24 | 256 | ELEMK-INET-1 | Element K (ELEMEN-5) · US | Reassigned | May 16, 2002 | — |
Network & registry
IPv4 market
Holder
- Organization
- Verizon Business
- Handle
- MCICS
- Range
- 66.
133. 128. 0/ 18 - Registration type
- Direct Allocation
- Record created
- Jul 11, 2001
Origin network
AS5650
US
- Name
- Frontier Communications of America, Inc.
- Type
- Internet provider
- Registered
- Jul 25, 1995
- Domain
- verizonbusiness.com
- Website
- www.frontier.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
- May 2005
- Current origin since
- May 2010 · 16 yr
- Origin networks
- 2
- Last change of origin
- May 2010
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 66.133.171.0/24 | AS5650 | /24 | ARIN | RPKI valid |
| 66.133.128.0/18 | AS5650 | /18 | ARIN | Too specific |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS5650 | ARIN | Verizon Business | MNT-MCICS | Oct 1, 2026 |
Whois
Registration for this announcement
- Range
- 66.
133. 171. 0/ 24 - Netname
- ELEMK-INET-1
- Registrant
- Element K
- Organization
- Element K (ELEMEN-5)
- Org address
- 500 Canal View Park, Rochester, NY, 14623
- Org country
- US
- Type
- Reassigned
- Handle
- NET-66-133-171-0-1
- Parent
- NET-66-133-128-0-1
- Created
- May 16, 2002
- RIR
- ARIN
- Country
- US
- Delegated
- Jul 11, 2001
- Status
- assigned
Report abuse
Abuse contact
- abuse-mail@
verizonbusiness. com - Name
- abuse
- Phone
- +1-800-900-0241
- Handle
- ABUSE3-ARIN