Data as of Nov 7, 2026
207.63.143.0/24
No anonymizer space · no proxy exits in 30 daysIllinois Century Network
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 207.63.128.0/17 since May 2005 | AS6325 | Business | 2 | Illinois Century Network | |
| 207.63.0.0/16 since Aug 2016 | AS6325 | Business | 4 | Illinois Century Network |
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 207.63.0.0/16 | 65,536 | ICN5 | Illinois Century Network (ILTN) · US | Direct Allocation | Feb 21, 1996 | doit. |
| └ 207.63.143.0/24 | 256 | LATINICN | unknown | — | — | — |
Network & registry
Announced by
Covering announcement 207.63.128.0/18
- Prefix
- 207.63.128.0/18
- Announced by
- AS6325 Illinois Century Network
- Type
- Business
- Proxy exits
- 2
- RPKI
- RPKI valid
- Netname
- ICN5
- Registrant
- Illinois Century Network
- RIR
- ARIN
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
207.63.128.0/18
Routing history
- Pattern
- Stable
- First seen
- Aug 2013
- Current origin since
- Aug 2013 · 13 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 207.63.128.0/18 | AS6325 | /18 | ARIN | RPKI valid |
| 207.63.128.0/17 | AS6325 | /17 | ARIN | Too specific |
| 207.63.0.0/16 | AS6325 | /16 | ARIN | Too specific |
IRR
Route objects on 207.63.128.0/18
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS6325 | RADB | ICN | MAINT-AS6325 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 207.
63. 0. 0/ 16 - Netname
- ICN5
- 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-207-63-0-0-1
- Parent
- NET-207-0-0-0-0
- Created
- Feb 21, 1996
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 21, 1996
- Status
- assigned
Report abuse
Abuse contact
- doit.
security@ illinois. gov - Name
- ICN Abuse
- Phone
- +1-217-524-3648
- Handle
- ICNAB-ARIN