Data as of Nov 7, 2026
8.40.139.0/24
No anonymizer space · no proxy exits in 30 daysChildren's Medical Center of Dallas · 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 | 1,988 412 always on | Level 3 Parent, LLC | |
| 8.0.0.0/9 | AS3356 | Internet provider | 5,721 961 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. | 7,862,016 | LVLT-ORG-8-8 | Level 3 Parent, LLC (LPL-141) · US | Direct Allocation | Dec 1, 1992 | abuse@ |
| └ 8.40.139.0/24 | 256 | LVLT-8-40-139-0-24 | Children's Medical Center of Dallas (CMC-135) · US | Reassigned | Sep 14, 2020 | — |
Network & registry
IPv4 market
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
AS32834
US
- Name
- Children's Medical Center of Dallas
- Type
- Business
- Registered
- Aug 3, 2004
- Domain
- childrens.com
- 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 2016
- Current origin since
- Aug 2020 · 6.2 yr
- Origin networks
- 3
- Last change of origin
- Jan 2019
Recorded history
History
- Handoffs
- 2
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS32834 | RADB | Akamai Technologies, Inc | MAINT-AS32787 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 8.
40. 139. 0/ 24 - Netname
- LVLT-8-40-139-0-24
- Registrant
- Children's Medical Center of Dallas
- Organization
- Children's Medical Center of Dallas (CMC-135)
- Org address
- 1935 Medical District Dr., Dallas, TX, 75235
- Org country
- US
- Type
- Reassigned
- Handle
- NET-8-40-139-0-1
- Parent
- NET-8-8-9-0-3
- Created
- Sep 14, 2020
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 1, 1992
- Status
- assigned
Report abuse
Abuse contact
- abuse@
level3. com - Name
- L3 Abuse Contact
- Phone
- +1-877-453-8353
- Handle
- LAC56-ARIN