Data as of Nov 4, 2026
66.46.176.0/21
No anonymizer space · no proxy exits in 30 daysSW USA LLC · space held by Zayo Bandwidth
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 66.46.0.0/16 since Mar 2020 | AS6461 | Internet provider | 23 8 always on | Zayo Bandwidth |
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 |
|---|---|---|---|---|---|---|
| 66.46.0.0/16 | 65,536 | ZAYO-CAN--9 | Zayo Bandwidth (ZAYOB) · US | Direct Allocation | Nov 16, 2000 | [email protected] |
| └ 66.46.176.0/21 | 2,048 | ZAYO-IPYX-100674-66-46-176-0-21 | SW USA LLC (SUL-28) · US | Reassigned | Feb 21, 2019 | — |
Network & registry
Registry
Holder
- Organization
- Zayo Bandwidth
- Handle
- ZAYOB
- Range
- 66.46.0.0/16
- Registration type
- Direct Allocation
- Record created
- Nov 16, 2000
Origin network
AS393698
US
- Name
- SW USA LLC
- Type
- Business
- Registered
- Nov 11, 2014
- Domain
- sherweb.com
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Mar 2010
- Current origin since
- Jun 2019 · 7.4 yr
- Origin networks
- 3
- Last change of origin
- Jun 2019
Recorded history
History
- Handoffs
- 2
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 66.46.176.0/21 | AS393698 | /21 | ARIN | RPKI valid |
| 66.46.0.0/16 | AS6461 | /16 | ARIN | Another network |
Whois
Registration for this announcement
- Range
- 66.46.176.0/21
- Netname
- ZAYO-IPYX-100674-66-46-176-0-21
- Registrant
- SW USA LLC
- Organization
- SW USA LLC (SUL-28)
- Org address
- 2915 Ogletown Road,, Newark, DE, 19713
- Org country
- US
- Type
- Reassigned
- Handle
- NET-66-46-176-0-1
- Parent
- NET-66-46-0-0-1
- Created
- Feb 21, 2019
- RIR
- ARIN
- Country
- US
- Delegated
- Nov 16, 2000
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Abuse
- Phone
- +1-866-236-2824
- Handle
- ABUSE5675-ARIN