Data as of Nov 13, 2026
64.210.56.0/21
No anonymizer space · no proxy exits in 30 daysXandr Inc. · reallocated from Level 3 Parent, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 64.210.0.0/17 since May 2005 | AS3549 | Unknown | 128 8 always on |
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 |
|---|---|---|---|---|---|---|
| 64.210.0.0/18 | 16,384 | LVLT-ORG-64-210 | Level 3 Parent, LLC (LPL-141) · US | Direct Allocation | Mar 15, 2000 | abuse@ |
| └ 64.210.56.0/21 | 2,048 | LVLT-APPNEXUS-APPNE-64-210-56 | Xandr Inc. (APPNE) · US | Reallocated | Feb 3, 2012 | xdr-abuse@ |
Network & registry
IPv4 market
Holder
- Organization
- Level 3 Parent, LLC
- Handle
- LPL-141
- Range
- 64.
210. 0. 0/ 18 - Registration type
- Direct Allocation
- Record created
- Mar 15, 2000
- Reallocated to
- Xandr Inc. (APPNE)
- Reallocated range
- 64.
210. 56. 0/ 21 - Reallocated
- Feb 3, 2012
Origin network
AS29990
US
- Name
- Xandr Inc.
- Type
- Business
- Registered
- Jan 10, 2008
- Domain
- appnexus.com
- Website
- www.appnexus.com
- Industry
- Software Development
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Feb 2008
- Current origin since
- Feb 2008 · 19 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS29990 | ALTDB | AppNexus - GC2 | MAINT-APPNEXUS | Feb 8, 2008 |
Whois
Registration for this announcement
- Range
- 64.
210. 56. 0/ 21 - Netname
- LVLT-APPNEXUS-APPNE-64-210-56
- Registrant
- Xandr Inc.
- Organization
- Xandr Inc. (APPNE)
- Org address
- 28 23rd Street, New York, NY, 10010
- Org country
- US
- Type
- Reallocated
- Handle
- NET-64-210-56-0-1
- Parent
- NET-64-210-0-0-1
- Created
- Feb 3, 2012
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 15, 2000
- Status
- assigned
Report abuse
Abuse contact
- xdr-abuse@
microsoft. com - Name
- appnexus-abuse
- Phone
- +1-646-723-7844
- Handle
- APPNE1-ARIN