Data as of Nov 3, 2026
131.156.136.72/29
No anonymizer space · no proxy exits in 30 daysNorthern Illinois University
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 |
|---|---|---|---|---|---|---|
| 131.156.0.0/16 | 65,536 | NIU-NET | Northern Illinois University (NIU-1) · US | Direct Allocation | Dec 5, 1988 | [email protected] |
| └ 131.156.136.72/29 | 8 | NIUNET-SOMONAUK-CUSD432 | unknown | — | — | — |
Network & registry
Announced by
Covering announcement 131.156.0.0/16
- Prefix
- 131.156.0.0/16
- Announced by
- AS11417 Northern Illinois University
- Type
- Business
- Proxy exits
- 120
- Always-on exits
- 2
- RPKI
- No RPKI
- Netname
- NIU-NET
- Registrant
- Northern Illinois University
- RIR
- ARIN
Origin network
AS11417
US
- Name
- Northern Illinois University
- Type
- Education
- Registered
- Aug 17, 1998
- Domain
- niu.edu
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 131.156.0.0/16
131.156.0.0/16
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 131.156.0.0/16
- Netname
- NIU-NET
- Registrant
- Northern Illinois University
- Organization
- Northern Illinois University (NIU-1)
- Org address
- Division of Information Technology, DeKalb, IL, 60115
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-131-156-0-0-1
- Parent
- NET-131-0-0-0-0
- Created
- Dec 5, 1988
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 5, 1988
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- NIU Abuse Investigation
- Phone
- +1-815-753-1274
- Handle
- NAI5-ARIN