Data as of Nov 7, 2026
209.221.38.0/23
No anonymizer space · no proxy exits in 30 daysZayo 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 |
|---|---|---|---|---|---|---|
| 209.221.32.0/19 | 8,192 | ZAYOB | Zayo Bandwidth (ZAYOB) · US | Direct Allocation | Feb 23, 2001 | abuse@ |
| └ 209.221.38.0/23 | 512 | USCR-209-221-38-A | unknown | — | — | — |
Network & registry
Announced by
Covering announcement 209.221.32.0/19
- Prefix
- 209.221.32.0/19
- Announced by
- AS6461 Zayo Bandwidth
- Type
- Internet provider
- Proxy exits
- 19
- Always-on exits
- 2
- RPKI
- RPKI valid
- Netname
- ZAYOB
- Registrant
- Zayo Bandwidth
- RIR
- ARIN
Origin network
AS6461
US
- Name
- Zayo Bandwidth
- Type
- Internet provider
- Registered
- Apr 22, 1996
- Domain
- zayo.com
- Website
- www.zayo.com/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 209.221.32.0/19
209.221.32.0/19
Routing history
- Pattern
- Rotating
- First seen
- May 2005
- Current origin since
- Oct 2023 · 3.0 yr
- Origin networks
- 2
- Last change of origin
- Oct 2023
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 209.221.32.0/19 | AS6461 | /19 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 209.
221. 32. 0/ 19 - Netname
- ZAYOB
- Registrant
- Zayo Bandwidth
- Organization
- Zayo Bandwidth (ZAYOB)
- Org address
- 1401 Wynkoop St., Denver, CO, 80202
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-209-221-32-0-1
- Parent
- NET-209-0-0-0-0
- Created
- Feb 23, 2001
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 23, 2001
- Status
- assigned
Report abuse
Abuse contact
- abuse@
zayo. com - Name
- Abuse
- Phone
- +1-866-236-2824
- Handle
- ABUSE5675-ARIN