Data as of Nov 7, 2026
163.253.66.0/23
No anonymizer space · no proxy exits in 30 daysInternet2
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 163.253.67.0/24 since Feb 2026 | AS396955 | Business | Internet2 |
Network & registry
Origin network
AS11537
US
- Name
- Internet2
- Type
- Education
- Registered
- Sep 23, 1998
- Domain
- internet2.edu
- Website
- www.internet2.edu
- Industry
- Software Development
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- First seen
- Before our records
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 163.253.66.0/23 | AS11537 | /23 | ARIN | RPKI valid |
| 163.253.0.0/16 | AS11537 | /16 | ARIN | Too specific |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS11537 | RADB | Internet2 CAIDA LPP Experiment | MAINT-AS11537 | Feb 25, 2026 |
Whois
Registration for this announcement
- Range
- 163.
253. 0. 0/ 16 - Netname
- INTERNET2
- Registrant
- Internet2
- Organization
- Internet2 (INTER-395)
- Org address
- 3520 Green CT, Ann Arbor, MI, 48105
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-163-253-0-0-1
- Parent
- NET-163-0-0-0-0
- Created
- Oct 21, 1992
- RIR
- ARIN
- Country
- US
- Delegated
- Oct 21, 1992
- Status
- assigned
Report abuse
Abuse contact
- abuse@
net. internet2. edu - Name
- Abuse
- Phone
- +1-317-278-6622
- Handle
- ABUSE8538-ARIN