Data as of Nov 7, 2026
207.75.164.0/23
No anonymizer space · no proxy exits in 30 daysMerit Network Inc.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 207.72.0.0/14 since May 2005 | AS237 | Business | 38 2 always on | Merit Network Inc. |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 207.72.0.0/14 | 262,144 | MICH-120 | Merit Network Inc. (MICH-Z) · US | Direct Allocation | Feb 29, 1996 | abuse@ |
| └ 207.75.164.0/23 | 512 | MICH-182 | University Corporation for Advanced Internet Development (UCAID) · US | Reassigned | Oct 3, 1998 | — |
Network & registry
IPv4 market
Holder
- Organization
- Merit Network Inc.
- Handle
- MICH-Z
- Range
- 207.
72. 0. 0/ 14 - Registration type
- Direct Allocation
- Record created
- Feb 29, 1996
- Legacy
- yes
Origin network
AS237
US
- Name
- Merit Network Inc.
- Type
- Education
- Registered
- Sep 12, 1988
- Domain
- merit.edu
- Website
- www.merit.edu
- Industry
- Human Rights and Social Advocacy (Human Rights, Environment and Wildlife Conservation, Other)
- 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 2024 · 2.5 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 207.75.164.0/23 | AS237 | /24 | ARIN | RPKI valid |
| 207.72.0.0/14 | AS237 | /14 | ARIN | Too specific |
Whois
Registration for this announcement
- Range
- 207.
75. 164. 0/ 23 - Netname
- MICH-182
- Registrant
- University Corporation for Advanced Internet Development
- Organization
- University Corporation for Advanced Internet Development (UCAID)
- Org address
- 1000 Oakbrook Drive, Ann Arbor, MI, 48104-6794
- Org country
- US
- Type
- Reassigned
- Handle
- NET-207-75-164-0-1
- Parent
- NET-207-72-0-0-1
- Created
- Oct 3, 1998
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 29, 1996
- Status
- assigned
Report abuse
Abuse contact
- abuse@
merit. edu - Name
- Network Abuse
- Phone
- +1-734-527-5740
- Handle
- NETWO26-ARIN