Data as of Nov 3, 2026
8.43.77.0/24
No anonymizer space · no proxy exits in 30 daysCOSTAR GROUP Inc. · space held by Level 3 Parent, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 8.32.0.0/12 | AS3356 | Internet provider | 1,991 408 always on | Level 3 Parent, LLC | |
| 8.0.0.0/9 | AS3356 | Internet provider | 5,565 930 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 |
|---|---|---|---|---|---|---|
| 8.8.9.0 - 8.127.255.255 | 7,862,016 | LVLT-ORG-8-8 | Level 3 Parent, LLC (LPL-141) · US | Direct Allocation | Dec 1, 1992 | [email protected] |
| └ 8.43.77.0/24 | 256 | LVLT-COSTAR-2-8-43-77 | COSTAR GROUP Inc. (COSTAR-2) · US | Reassigned | May 15, 2017 | [email protected] |
Network & registry
Registry
Holder
- Organization
- Level 3 Parent, LLC
- Handle
- LPL-141
- Range
- 8.8.9.0 - 8.127.255.255
- Registration type
- Direct Allocation
- Record created
- Dec 1, 1992
- Legacy
- yes
Origin network
AS14652
US
- Name
- COSTAR GROUP Inc.
- Type
- Business
- Registered
- Jan 20, 2000
- Domain
- costargroup.com
- Industry
- Real Estate (Residential and/or Commercial)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2017
- Current origin since
- May 2017 · 9.5 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 8.43.77.0/24
- Netname
- LVLT-COSTAR-2-8-43-77
- Registrant
- COSTAR GROUP Inc.
- Organization
- COSTAR GROUP Inc. (COSTAR-2)
- Org address
- 1331 L St N.W., Washington, DC, 20005-4293
- Org country
- US
- Type
- Reassigned
- Handle
- NET-8-43-77-0-1
- Parent
- NET-8-8-9-0-3
- Created
- May 15, 2017
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 1, 1992
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Costar Network Team
- Phone
- +1-800-204-5960
- Handle
- CNT13-ARIN