Data as of Nov 9, 2026
67.137.57.0/24
No anonymizer space · no proxy exits in 30 daysCliftonLarsonAllen, LLP · space held by Allstream Business US, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 67.136.0.0/14 since Jun 2007 | AS7385 | Business | 10 2 always on | Allstream Business US, LLC |
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 |
|---|---|---|---|---|---|---|
| 67.136.0.0/14 | 262,144 | ELI-NETWORK-ELIX | Allstream Business US, LLC (ABUL-14) · US | Direct Allocation | Sep 25, 2003 | abuse@ |
| └ 67.137.57.0/24 | 256 | ITCM-67-137-57-0-24 | CliftonLarsonAllen LLP (C06233391) · US | Reassigned | Oct 10, 2016 | abuse@ via ELI-NETWORK-ELIX |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Registry
Holder
- Organization
- Allstream Business US, LLC
- Handle
- ABUL-14
- Range
- 67.
136. 0. 0/ 14 - Registration type
- Direct Allocation
- Record created
- Sep 25, 2003
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
- Dec 2011
- Current origin since
- Dec 2011 · 15 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 67.137.57.0/24 | AS18778 | /24 | ARIN | RPKI valid |
| 67.136.0.0/14 | AS7385 | /24 | ARIN | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS18778 | ARIN | Allstream Business US, LLC | MNT-ABUL-14 | Jul 28, 2026 |
Whois
Registration for this announcement
- Range
- 67.
137. 57. 0/ 24 - Netname
- ITCM-67-137-57-0-24
- Registrant
- CliftonLarsonAllen LLP
- Organization
- CliftonLarsonAllen LLP (C06233391)
- Type
- Reassigned
- Handle
- NET-67-137-57-0-1
- Parent
- NET-67-136-0-0-1
- Created
- Oct 10, 2016
- RIR
- ARIN
- Country
- US
- Delegated
- Sep 25, 2003
- Status
- assigned
Report abuse
Abuse contact
- abuse@
zayo. com - Name
- Abuse
- Phone
- +1-866-236-2824
- Handle
- ABUSE5675-ARIN