Data as of Nov 9, 2026
209.175.128.0/17
No anonymizer space · no proxy exits in 30 daysIllinois Century Network
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 209.175.0.0/16 since May 2005 | AS6325 | Business | 22 | Illinois Century Network |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 209.175.128.0/18 since Sep 2013 | AS6325 | Business | Illinois Century Network | |
| 209.175.168.0/22 since Oct 2023 | AS62549 | Business | Illinois Century Network | |
| 209.175.175.0/24 since Jun 2020 | AS23434 | Business | Illinois Century Network | |
| 209.175.192.0/18 since Sep 2013 | AS6325 | Business | Illinois Century Network |
Network & registry
Origin network
AS6325
US
- Name
- Illinois Century Network
- Type
- Education
- Registered
- Oct 31, 2001
- Domain
- illinois.gov
- Website
- icn.illinois.gov/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 209.175.128.0/17 | AS6325 | /17 | ARIN | RPKI valid |
| 209.175.0.0/16 | AS6325 | /16 | ARIN | Too specific |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS6325 | RADB | State of IL CMS | MAINT-AS6325 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 209.
174. 0. 0/ 15 - Netname
- ICN4
- Registrant
- Illinois Century Network
- Organization
- Illinois Century Network (ILTN)
- Org address
- 120 W Jefferson, Springfield, IL, 62702
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-209-174-0-0-1
- Parent
- NET-209-0-0-0-0
- Created
- Nov 19, 1997
- RIR
- ARIN
- Country
- US
- Delegated
- Nov 19, 1997
- Status
- assigned
Report abuse
Abuse contact
- doit.
security@ illinois. gov - Name
- ICN Abuse
- Phone
- +1-217-524-3648
- Handle
- ICNAB-ARIN