Data as of Nov 8, 2026
209.249.104.0/24
No anonymizer space · no proxy exits in 30 daysCliftonLarsonAllen, LLP · 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 | 145 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@ |
| └ 209.249.104.0/24 | 256 | ZAYO-IDIA-285460-209-249-104-0-24 | CliftonLarsonAllen, LLP (CL-645) · US | Reassigned | Sep 8, 2020 | — |
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
AS18778
US
- Name
- CliftonLarsonAllen, LLP
- Type
- Business
- Registered
- Jun 13, 2014
- Domain
- cliftonlarsonallen.com
- Industry
- Software Development
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Aug 2020
- Current origin since
- Aug 2020 · 6.2 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 209.249.104.0/24 | AS18778 | /24 | ARIN | RPKI valid |
| 209.249.0.0/16 | AS6461 | /16 | ARIN | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS18778 | ARIN | Clifton Larson Allen DC2 Internet | MNT-CL-645 | Oct 2, 2023 |
Whois
Registration for this announcement
- Range
- 209.
249. 104. 0/ 24 - Netname
- ZAYO-IDIA-285460-209-249-104-0-24
- Registrant
- CliftonLarsonAllen, LLP
- Organization
- CliftonLarsonAllen, LLP (CL-645)
- Org address
- 220 South 6th Street, Minneapolis, MN, 55402
- Org country
- US
- Type
- Reassigned
- Handle
- NET-209-249-104-0-1
- Parent
- NET-209-249-0-0-1
- Created
- Sep 8, 2020
- RIR
- ARIN
- Country
- US
- Delegated
- Jun 15, 1998
- Status
- assigned
Report abuse
Abuse contact
- abuse@
zayo. com - Name
- Abuse
- Phone
- +1-866-236-2824
- Handle
- ABUSE5675-ARIN