Data as of Nov 9, 2026
50.58.16.0/23
No anonymizer space · no proxy exits in 30 daysR.R. Donnelley and Sons, Co. · space held by Level 3 Parent, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 50.58.0.0/15 since Oct 2016 | AS3549 | Internet provider | 42 5 always on | Level 3 Parent, LLC |
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 |
|---|---|---|---|---|---|---|
| 50.58.0.0/15 | 131,072 | TWTC-NETBLK-19 | Level 3 Parent, LLC (LPL-141) · US | Direct Allocation | Jan 21, 2011 | abuse@ |
| └ 50.58.16.0/23 | 512 | 50-58-16-0-23 | R.R. Donnelley and Sons, Co. (RDS-48) · US | Reassigned | Jun 16, 2025 | — |
Network & registry
IPv4 market
Holder
- Organization
- Level 3 Parent, LLC
- Handle
- LPL-141
- Range
- 50.
58. 0. 0/ 15 - Registration type
- Direct Allocation
- Record created
- Jan 21, 2011
Origin network
AS14328
US
- Name
- R.R. Donnelley and Sons, Co.
- Type
- Business
- Registered
- Nov 29, 1999
- Domain
- rrd.com
- Industry
- Service
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Jun 2011
- Current origin since
- Nov 2018 · 8.0 yr
- Origin networks
- 3
- Last change of origin
- Nov 2018
Recorded history
History
- Handoffs
- 2
Whois
Registration for this announcement
- Range
- 50.
58. 16. 0/ 23 - Netname
- 50-58-16-0-23
- Registrant
- R.R. Donnelley and Sons, Co.
- Organization
- R.R. Donnelley and Sons, Co. (RDS-48)
- Org address
- 4101 Winfield Rd, Warrenville, IL, 60555
- Org country
- US
- Type
- Reassigned
- Handle
- NET-50-58-16-0-1
- Parent
- NET-50-58-0-0-1
- Created
- Jun 16, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Jan 21, 2011
- Status
- assigned
Report abuse
Abuse contact
- james.
trchka@ rrd. com - Name
- Trchka, James A
- Phone
- +1-630-360-1491
- Handle
- JAMES24-ARIN