Data as of Nov 6, 2026
64.20.181.72/29
No anonymizer space · no proxy exits in 30 daysCrown Castle Fiber LLC · space held by Zayo Bandwidth
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 64.20.160.0/19 since Oct 2006 | AS27506 | Internet provider | 9 | Zayo Bandwidth |
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 |
|---|---|---|---|---|---|---|
| 64.20.160.0/19 | 8,192 | ZAYO-CCF-64-20-160-0 | Zayo Bandwidth (ZAYOB) · US | Direct Allocation | Apr 20, 2005 | abuse@ |
| └ 64.20.181.72/29 | 8 | NET-SD-64-20-181-72-29 | unknown | — | — | — |
Network & registry
Announced by
Covering announcement 64.20.176.0/20
- Prefix
- 64.20.176.0/20
- Announced by
- AS27506 Crown Castle Fiber LLC
- Type
- Internet provider
- Proxy exits
- 3
- RPKI
- No RPKI
- Netname
- ZAYO-CCF-64-20-160-0
- Registrant
- Zayo Bandwidth
- RIR
- ARIN
Origin network
AS27506
US
- Name
- Crown Castle Fiber LLC
- Type
- Internet provider
- Registered
- Mar 19, 2003
- Domain
- zayo.com
- Industry
- Computer and Information Technology
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
64.20.176.0/20
Routing history
- Pattern
- Stable
- First seen
- Oct 2006
- Current origin since
- Oct 2006 · 20 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 64.
20. 160. 0/ 19 - Netname
- ZAYO-CCF-64-20-160-0
- Registrant
- Zayo Bandwidth
- Organization
- Zayo Bandwidth (ZAYOB)
- Org address
- 1401 Wynkoop St., Denver, CO, 80202
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-64-20-160-0-1
- Parent
- NET-64-0-0-0-0
- Created
- Apr 20, 2005
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 20, 2005
- Status
- assigned
Report abuse
Abuse contact
- abuse@
zayo. com - Name
- Abuse
- Phone
- +1-866-236-2824
- Handle
- ABUSE5675-ARIN