Data as of Nov 3, 2026
18.3.0.0/16
No anonymizer space · no proxy exits in 30 daysMassachusetts Institute of Technology
Announcements
Nesting
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Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 18.3.1.0/24 since Aug 2023 | AS3 | Business | Massachusetts Institute of Technology | |
| 18.3.2.0/24 since Aug 2023 | AS3 | Business | Massachusetts Institute of Technology | |
| 18.3.3.0/24 since Aug 2023 | AS3 | Business | Massachusetts Institute of Technology | |
| 18.3.4.0/24 since Aug 2023 | AS3 | Business | Massachusetts Institute of Technology | |
| 18.3.5.0/24 since Aug 2023 | AS3 | Business | Massachusetts Institute of Technology | |
| 18.3.6.0/24 since Aug 2023 | AS3 | Business | Massachusetts Institute of Technology | |
| 18.3.7.0/24 since Aug 2023 | AS3 | Business | Massachusetts Institute of Technology | |
| 18.3.8.0/24 since Aug 2023 | AS3 | Business | Massachusetts Institute of Technology | |
| 18.3.9.0/24 since Aug 2023 | AS3 | Business | Massachusetts Institute of Technology | |
| 18.3.10.0/24 since Aug 2023 | AS3 | Business | Massachusetts Institute of Technology | |
| 18.3.11.0/24 since Aug 2023 | AS3 | Business | Massachusetts Institute of Technology | |
| 18.3.12.0/24 since Aug 2023 | AS3 | Business | Massachusetts Institute of Technology | |
| 18.3.13.0/24 since Aug 2023 | AS3 | Business | Massachusetts Institute of Technology | |
| 18.3.14.0/24 since Aug 2023 | AS3 | Business | Massachusetts Institute of Technology | |
| 18.3.15.0/24 since Aug 2023 | AS3 | Business | Massachusetts Institute of Technology | |
| 18.3.16.0/24 since Aug 2023 | AS3 | Business | Massachusetts Institute of Technology | |
| 18.3.17.0/24 since Aug 2023 | AS3 | Business | Massachusetts Institute of Technology | |
| 18.3.18.0/24 since Aug 2023 | AS3 | Business | Massachusetts Institute of Technology | |
| 18.3.19.0/24 since Aug 2023 | AS3 | Business | Massachusetts Institute of Technology | |
| 18.3.20.0/24 since Aug 2023 | AS3 | Business | Massachusetts Institute of Technology | |
| 18.3.21.0/24 since Aug 2023 | AS3 | Business | Massachusetts Institute of Technology | |
| 18.3.22.0/24 since Jun 2019 | AS3 | Business | Massachusetts Institute of Technology | |
| 18.3.23.0/24 since Jun 2019 | AS3 | Business | Massachusetts Institute of Technology | |
| 18.3.28.0/24 since Aug 2023 | AS3 | Business | Massachusetts Institute of Technology | |
| 18.3.67.0/24 since Aug 2023 | AS3 | Business | Massachusetts Institute of Technology | |
| 18.3.69.0/24 since Aug 2023 | AS3 | Business | Massachusetts Institute of Technology | |
| 18.3.90.0/24 since Aug 2023 | AS3 | Business | Massachusetts Institute of Technology | |
| 18.3.103.0/24 since Aug 2023 | AS3 | Business | Massachusetts Institute of Technology | |
| 18.3.104.0/24 since Aug 2023 | AS3 | Business | Massachusetts Institute of Technology | |
| 18.3.105.0/24 since Aug 2023 | AS3 | Business | Massachusetts Institute of Technology | |
| 18.3.106.0/24 since Aug 2023 | AS3 | Business | Massachusetts Institute of Technology | |
| 18.3.108.0/24 since Aug 2023 | AS3 | Business | Massachusetts Institute of Technology | |
| 18.3.109.0/24 since Aug 2023 | AS3 | Business | Massachusetts Institute of Technology | |
| 18.3.111.0/24 since Aug 2023 | AS3 | Business | Massachusetts Institute of Technology | |
| 18.3.116.0/24 since Apr 2025 | AS3 | Business | Massachusetts Institute of Technology | |
| 18.3.122.0/24 since Nov 2023 | AS3 | Business | Massachusetts Institute of Technology | |
| 18.3.151.0/24 since Aug 2023 | AS3 | Business | Massachusetts Institute of Technology | |
| 18.3.152.0/24 since Aug 2023 | AS3 | Business | Massachusetts Institute of Technology | |
| 18.3.153.0/24 since Aug 2023 | AS3 | Business | Massachusetts Institute of Technology | |
| 18.3.154.0/24 since Aug 2023 | AS3 | Business | Massachusetts Institute of Technology | |
| 18.3.155.0/24 since Aug 2023 | AS3 | Business | Massachusetts Institute of Technology |
Network & registry
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Jun 2016
- Current origin since
- Jun 2016 · 10 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS3 | RADB | Massachusetts Institute of Technology | MAINT-AS3 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 18.0.0.0/11
- Netname
- MIT
- Registrant
- Massachusetts Institute of Technology
- Organization
- Massachusetts Institute of Technology (MIT-2)
- Org address
- Room W92-167, Cambridge, MA, 02139-4307
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-18-0-0-0-1
- Parent
- NET-18-0-0-0-0
- Created
- Jan 1, 1994
- RIR
- ARIN
- Country
- US
- Delegated
- Jan 1, 1994
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- MIT Network Security
- Phone
- +1-617-324-1782
- Handle
- MNS18-ARIN