Data as of Nov 7, 2026
208.51.0.0/16
No anonymizer space · no proxy exits in 30 daysLevel 3 Parent, LLC
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 208.51.37.0/24 since Jun 2007 | AS14252 | Business | Level 3 Parent, LLC | |
| 208.51.59.0/24 since Sep 2014 | AS7385 | Unknown | Level 3 Parent, LLC | |
| 208.51.84.0/24 since Oct 2018 | AS3356 | Unknown | Level 3 Parent, LLC via MT Technology, Inc. | |
| 208.51.96.0/24 since Aug 2016 | AS10753 | Internet provider | Level 3 Parent, LLC | |
| 208.51.136.0/24 since Mar 2019 | AS3356 | Internet provider | Level 3 Parent, LLC | |
| 208.51.154.0/24 since Jan 2016 | AS21808 | Internet provider | 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 |
|---|---|---|---|---|---|---|
| 208. | 81,920 | LVLT-ORG-208-50-192 | Level 3 Parent, LLC (LPL-141) · US | Direct Allocation | Jul 29, 1999 | abuse@ |
| └ 208.51.18.0/24 | 256 | GX-FRO2004701598 | unknown | — | — | — |
| └ 208.51.22.0/24 | 256 | GX-REQ000000009068 | unknown | — | — | — |
| └ 208.51.36.0/24 | 256 | GX-FRO2003337741 | unknown | — | — | — |
| └ 208.51.37.0/24 | 256 | LPL-141-SS-326-208-51-37-0-24 | School Specialty (SS-326) · US | Reassigned | Jun 18, 2020 | — |
| └ 208.51.40.0/24 | 256 | GBLX-11128 | unknown | — | — | — |
| └ 208.51.40.0/24 | 256 | RETHEMHOSTING1 | unknown | — | — | — |
| └ 208.51.60.0/22 | 1,024 | GC-4294-4294-COLOC | unknown | — | — | — |
| └ 208.51.62.32/28 | 16 | NASNET-208-51-62-32-28 | unknown | — | — | — |
| └ 208.51.62.48/28 | 16 | NASNET-208-51-62-48-28 | unknown | — | — | — |
| └ 208.51.62.64/27 | 32 | NASNET-208-51-62-64-27 | unknown | — | — | — |
| └ 208.51.62.96/30 | 4 | NASNET-208-51-62-96-30 | unknown | — | — | — |
| └ 208.51.62.104/29 | 8 | NASNET-208-51-62-104-29 | unknown | — | — | — |
| └ 208.51.62.112/29 | 8 | NASNET-208-51-62-112-29 | unknown | — | — | — |
| └ 208.51.62.120/29 | 8 | NASNET-208-51-62-120-29 | unknown | — | — | — |
| └ 208.51.62.128/30 | 4 | NASNET-208-51-62-128-30 | unknown | — | — | — |
| └ 208.51.62.140/30 | 4 | NASNET-208-51-62-140-30 | unknown | — | — | — |
| └ 208.51.62.152/29 | 8 | NASNET-208-51-62-152-29 | unknown | — | — | — |
| └ 208.51.62.160/28 | 16 | NASNET-208-51-62-160-28 | unknown | — | — | — |
| └ 208.51.62.176/29 | 8 | NASNET-208-51-62-176-29 | unknown | — | — | — |
| └ 208.51.62.188/30 | 4 | NASNET-208-51-62-188-30 | unknown | — | — | — |
| └ 208.51.62.192/26 | 64 | NASNET-208-51-62-192-26 | unknown | — | — | — |
| └ 208.51.63.0/27 | 32 | NASNET-208-51-63-0-27 | unknown | — | — | — |
| └ 208.51.63.32/27 | 32 | NASNET-208-51-63-32-27 | unknown | — | — | — |
| └ 208.51.63.96/27 | 32 | NASNET-208-51-63-96-27 | unknown | — | — | — |
| └ 208.51.63.128/29 | 8 | NASNET-208-51-63-128-29 | unknown | — | — | — |
| └ 208.51.63.136/29 | 8 | NASNET-208-51-63-136-29 | unknown | — | — | — |
| └ 208.51.63.160/29 | 8 | NASNET-208-51-63-160-29 | unknown | — | — | — |
| └ 208.51.63.168/29 | 8 | NASNET-208-51-63-168-29 | unknown | — | — | — |
| └ 208.51.63.176/29 | 8 | NASNET-208-51-63-176-29 | unknown | — | — | — |
| └ 208.51.63.184/29 | 8 | NASNET-208-51-63-184-29 | unknown | — | — | — |
| └ 208.51.63.192/29 | 8 | NASNET-208-51-63-192-29 | unknown | — | — | — |
| └ 208.51.63.200/29 | 8 | NASNET-208-51-63-200-29 | unknown | — | — | — |
| └ 208.51.63.208/29 | 8 | NASNET-208-51-63-208-29 | unknown | — | — | — |
| └ 208.51.63.216/29 | 8 | NASNET-208-51-63-216-29 | unknown | — | — | — |
| └ 208.51.63.224/29 | 8 | NASNET-208-51-63-224-29 | unknown | — | — | — |
| └ 208.51.80.0/24 | 256 | LVLT-SERTA-208-51-80 | unknown | — | — | — |
| └ 208.51.84.0/24 | 256 | GX-FRO2003673650 | MT Technology, Inc. (MTTEC) · US | Reallocated | May 5, 2010 | — |
| └ 208.51.85.88/29 | 8 | LVLT-AWB-208-51-85-88 | unknown | — | — | — |
| └ 208.51.104.0/21 | 2,048 | FGC-REQ000000005094-A | unknown | — | — | — |
| └ 208.51.128.0/23 | 512 | CHOICE1-8256 | unknown | — | — | — |
| └ 208.51.130.0/24 | 256 | CHOICE1-8257 | unknown | — | — | — |
| └ 208.51.144.0/22 | 1,024 | FRO2003502209DIR | unknown | — | — | — |
| └ 208.51.154.0/24 | 256 | LVLT-PN-19-208-51-154 | Peerless Network, Inc. (PN-19) · US | Reassigned | Jan 23, 2014 | noc@ |
| └ 208.51.201.0/24 | 256 | LVLT-SML-64-208-51-201 | unknown | — | — | — |
| └ 208.51.229.0/24 | 256 | LVLT-INL-39-208-51-229 | unknown | — | — | — |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
65,536 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Internet provider | 64,512 | 98% | 11 | |
| Unknown | 512 | 0.78% | 2 | |
| Business | 256 | 0.39% | 1 | |
| Hosting | 256 | 0.39% | 1 |
Network & registry
Origin network
AS3549
US
- Name
- Level 3 Parent, LLC
- Type
- Internet provider
- Registered
- Mar 21, 2000
- Domain
- lumen.com
- Website
- www.lumen.com/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 208.51.8.0/21 | AS26554 | RADB | Proxy for US Signal | MAINT-CHTR-WD | Nov 13, 2023 |
| 208.51.16.0/24 | AS19161 | RADB | Proxy-registered route object | MAINT-HGC-INTL | Oct 2, 2026 |
| 208.51.16.0/24 | AS19161 | NTTCOM | Proxy-registered route object | MAINT-AS9304 | Oct 14, 2014 |
| 208.51.18.0/24 | AS32370 | ALTDB | Vonage Holdings | MAINT-VONAGE | Sep 7, 2006 |
| 208.51.60.0/22 | AS17139 | RADB | Corporate Colo | MAINT-CORPCOLO | Nov 13, 2023 |
| 208.51.60.0/23 | AS17139 | RADB | Legacy PA space from Global Crossing | MAINT-CORPCOLO | Nov 13, 2023 |
| 208.51.62.0/23 | AS17139 | RADB | Legacy PA space from Global Crossing | MAINT-CORPCOLO | Nov 13, 2023 |
| 208.51.128.0/24 | AS13609 | NTTCOM | L-C1 Indy Route | MAINT-CTC | Mar 9, 2009 |
| 208.51.129.0/24 | AS13609 | NTTCOM | L-C1 Indy Route | MAINT-CTC | Mar 9, 2009 |
| 208.51.130.0/24 | AS13609 | NTTCOM | L-C1 Indy Route | MAINT-CTC | Mar 9, 2009 |
| 208.51.144.0/22 | AS17318 | ARIN | Flektor | MNT-FLEKT | Apr 4, 2007 |
| 208.51.201.0/24 | AS40435 | RADB | Proxy fbo Shiel Med Labs (AS40435) | MAINT-AS7029 | Nov 13, 2023 |
| 208.51.244.0/24 | AS3638 | ALTDB | Global Innovations, Inc. | MAINT-GLOBALI | Jun 23, 2003 |
Whois
Registration for this announcement
- Range
- 208.
50. 192. 0 - 208. 51. 255. 255 - Netname
- LVLT-ORG-208-50-192
- Registrant
- Level 3 Parent, LLC
- Organization
- Level 3 Parent, LLC (LPL-141)
- Org address
- 100 CenturyLink Drive, Monroe, LA, 71203
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-208-50-192-0-1
- Parent
- NET-208-0-0-0-0
- Created
- Jul 29, 1999
- RIR
- ARIN
- Country
- US
- Delegated
- Jul 29, 1999
- Status
- assigned
Report abuse
Abuse contact
- abuse@
level3. com - Name
- L3 Abuse Contact
- Phone
- +1-877-453-8353
- Handle
- LAC56-ARIN