Data as of Nov 9, 2026
207.239.123.0/24
No anonymizer space · no proxy exits in 30 daysUnited Network for Organ Sharing · reallocated from Verizon Business
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 207.238.0.0/15 since May 2005 | AS2828 | Internet provider | Verizon Business |
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 |
|---|---|---|---|---|---|---|
| 207.238.0.0/15 | 131,072 | ALGX-ABI-BLK12 | Verizon Business (MCICS) · US | Direct Allocation | Oct 28, 1996 | abuse@ |
| └ 207.239.123.0/24 | 256 | XOXO-207-239-123-0 | United Network for Organ Sharing (UNOS) · US | Reallocated | May 2, 2012 | stanley. |
Network & registry
IPv4 market
Holder
- Organization
- Verizon Business
- Handle
- MCICS
- Range
- 207.
238. 0. 0/ 15 - Registration type
- Direct Allocation
- Record created
- Oct 28, 1996
- Legacy
- yes
- Reallocated to
- United Network for Organ Sharing (UNOS)
- Reallocated range
- 207.
239. 123. 0/ 24 - Reallocated
- May 2, 2012
Origin network
AS13391
US
- Name
- United Network for Organ Sharing
- Type
- Business
- Registered
- May 26, 1999
- Industry
- Community Groups and Nonprofits
- 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 2005 · 22 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 207.
239. 123. 0/ 24 - Netname
- XOXO-207-239-123-0
- Registrant
- United Network for Organ Sharing
- Organization
- United Network for Organ Sharing (UNOS)
- Org address
- 700 North Fourth Street, Richmond, VA, 23219
- Org country
- US
- Type
- Reallocated
- Handle
- NET-207-239-123-0-1
- Parent
- NET-207-238-0-0-1
- Created
- May 2, 2012
- RIR
- ARIN
- Country
- US
- Delegated
- Oct 28, 1996
- Status
- assigned
Report abuse
Abuse contact
- stanley.
sykes@ unos. org - Name
- Sykes, Stanley Darryl
- Phone
- +1-804-782-4948
- Handle
- SDS33-ARIN