Data as of Nov 4, 2026
204.228.68.0/22
No anonymizer space · no proxy exits in 30 daysECS-Infrastructure
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 204.228.64.0/18 since May 2005 | AS209 | Residential | 4 |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 204.228.68.0/24 since Jun 2022 | AS62671 | Business | ECS-Infrastructure | |
| 204.228.69.0/24 since Mar 2022 | AS62671 | Business | ECS-Infrastructure |
Network & registry
Origin network
AS62671
US
- Name
- ECS-Infrastructure
- Type
- Education
- Registered
- Aug 1, 2013
- Domain
- cu.edu
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Sep 2013
- Current origin since
- Sep 2013 · 13 yr
- Origin networks
- 1
RPKI
Route origin authorizations
Whois
Registration for this announcement
- Range
- 204.
228. 68. 0/ 22 - Netname
- UCUISNET-U4
- Registrant
- ECS-Infrastructure
- Organization
- ECS-Infrastructure (UCUIS-Z)
- Org address
- 1800 Grant St., Denver, CO, 80203
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-204-228-68-0-1
- Parent
- NET-204-0-0-0-0
- Created
- Jan 12, 1995
- RIR
- ARIN
- Country
- US
- Delegated
- Jan 12, 1995
- Status
- assigned
Report abuse
Abuse contact
- adam.
newby@ cu. edu - Name
- ECS-Infra
- Phone
- +1-720-443-3327
- Handle
- ECSIN-ARIN