Data as of Nov 6, 2026
209.249.57.0/24
No anonymizer space · no proxy exits in 30 daysAnthropic · space held by Zayo Bandwidth
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 209.249.0.0/16 since May 2005 | AS6461 | Internet provider | 141 7 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 |
|---|---|---|---|---|---|---|
| 209.249.0.0/16 | 65,536 | ABOVENET-4 | Zayo Bandwidth (ZAYOB) · US | Direct Allocation | Jun 15, 1998 | abuse@ |
| └ 209.249.57.0/24 | 256 | ZAYO-IPYX-134552-209-249-57-0-24 | Mitel Networks, Inc. (MN-175) · US | Reassigned | Nov 10, 2016 | uccloud_ |
Network & registry
Registry
Holder
- Organization
- Zayo Bandwidth
- Handle
- ZAYOB
- Range
- 209.
249. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- Jun 15, 1998
Origin network
AS60808
US
- Name
- Anthropic
- Type
- Hosting
- Registered
- Apr 8, 2026
- Domain
- anthropic.com
- Website
- parsun.com
- Industry
- Online Informational Content
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Rotating
- First seen
- Apr 2017
- Current origin since
- Apr 2026 · 7 mo
- Origin networks
- 3
- Last change of origin
- Apr 2026
Recorded history
History
- Handoffs
- 2
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 209.249.57.0/24 | AS60808 | /24 | ARIN | RPKI valid |
| 209.249.57.0/24 | AS399358 | /24 | ARIN | Another network |
| 209.249.0.0/16 | AS6461 | /16 | ARIN | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS399358 not the origin | ARIN | Zayo Bandwidth | MNT-ZAYOB | Oct 21, 2025 |
Whois
Registration for this announcement
- Range
- 209.
249. 57. 0/ 24 - Netname
- ZAYO-IPYX-134552-209-249-57-0-24
- Registrant
- Mitel Networks, Inc.
- Organization
- Mitel Networks, Inc. (MN-175)
- Org address
- 2160 W Broadway Rd., Mesa, AZ, 85202
- Org country
- US
- Type
- Reassigned
- Handle
- NET-209-249-57-0-1
- Parent
- NET-209-249-0-0-1
- Created
- Nov 10, 2016
- RIR
- ARIN
- Country
- US
- Delegated
- Jun 15, 1998
- Status
- assigned
Report abuse
Abuse contact
- uccloud_
sysops@ mitel. com - Name
- Micloud Engineering
- Phone
- +1-480-961-9000
- Handle
- MICLO-ARIN