4.38.0.0/21

AS7287  ·  AT&T Enterprises, LLC

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Summary

Country United States
Domain level3.com
ASN AS7287
Parent Range 4.0.0.0/9
Registry ARIN
ID LVLT-ORG-4-8

WHOIS Details

NetHandle:      NET-4-0-0-0-1
OrgID:          LPL-141
Parent:         NET-4-0-0-0-0
NetName:        LVLT-ORG-4-8
NetRange:       4.0.0.0 - 4.127.255.255
NetType:        allocation
RegDate:        1992-12-01
Updated:        2019-07-17
Source:         ARIN


OrgID:          LPL-141
OrgName:        Level 3 Parent, LLC
CanAllocate:    
Street:         100 CenturyLink Drive
City:           Monroe
State/Prov:     LA
Country:        US
PostalCode:     71203
Comment:        USAGE OF IP SPACE MUST COMPLY WITH OUR ACCEPTABLE USE POLICY:
Comment:        https://www.lumen.com/en-us/about/legal/acceptable-use-policy.html
Comment:        ADDRESSES COVERED BY THIS ORG-ID ARE NON-PORTABLE ANY ISP ANNOUNCING OR TRANSITING PORTIONS WITHIN OUR RANGES SHOULD NOT RELY ON PRESENTED LOA'S OR OLD WHOIS UNLESS THOSE RANGES ARE ALSO ACTIVELY DIRECTLY ANNOUNCED TO A LUMEN ASN. WITH ALL LOA'S THESE CONDITIONS APPLY:
Comment:        1. You are permitted to route the Lumen IP prefixes listed via Public BGP to your alternate ISP from the designated ASN. Any other ASN originating the prefix listed is forbidden.
Comment:        2. The Lumen IP prefixes listed can be routed via Public BGP to your alternate ISP as long as you remain an active customer with Lumen and continue to route the prefixes over at least one Lumen Internet circuit without significant traffic engineering.
Comment:        3. Should your Internet services with Lumen be discontinued, Lumen reserves the right to have your alternate ISP terminate the routing of the Lumen IP prefixes without advanced notification, should you fail to do so.
Comment:        4. All IP Addresses assigned or allocated by Lumen to an end-user (customer or ISP) shall be considered non-portable and will be reclaimed by Lumen upon service termination.
Comment:        5. Lumen reserves the right to conduct audits to ensure the LOA conditions are being met.
Comment:        6. Usage of IP space must comply with our AUP https://www.lumen.com/en-us/about/legal/acceptable-use-policy.html
Comment:        Our looking glass is located at: https://lookingglass.centurylink.com/
Comment:        For subpoena or court order please fax 844.254.5800 or refer to our Trust & Safety page:
Comment:        https://www.lumen.com/en-us/about/legal/trust-center/trust-and-safety.html
Comment:        For abuse issues, please email [email protected]
Comment:        All abuse reports MUST include:
Comment:        * src IP
Comment:        * dest IP (your IP)
Comment:        * dest port
Comment:        * Accurate date/timestamp and timezone of activity
Comment:        * Intensity/frequency (short log extracts)
Comment:        * Your contact details (phone and email)
Comment:        Without these we will be unable to identify the correct owner of the IP address at that point in time.
RegDate:        2018-02-06
Updated:        2024-06-17
OrgAdminHandle: APL7-ARIN
OrgTechHandle:  APL7-ARIN
OrgAbuseHandle: LAC56-ARIN
OrgRoutingHandle:   RPKIR-ARIN
Source:         ARIN


POCHandle:      LAC56-ARIN
IsRole:         Y
LastName:       L3 Abuse Contact
FirstName:      
Street:         100 CenturyLink Drive
City:           Monroe
State/Prov:     LA
Country:        US
PostalCode:     71203
RegDate:        2021-01-14
Updated:        2026-01-29
OfficePhone:    +1-877-453-8353
Mailbox:        [email protected]
Source:         ARIN


POCHandle:      APL7-ARIN
IsRole:         Y
LastName:       ADMIN POC LVLT
FirstName:      
Street:         1025 Eldorado Blvd.
City:           Broomfield
State/Prov:     CO
Country:        US
PostalCode:     80021
RegDate:        2003-01-28
Updated:        2026-01-05
OfficePhone:    +1-877-453-8353
Mailbox:        [email protected]
Mailbox:        [email protected]
Source:         ARIN

Overlapping Ranges

BGP prefixes that contain 4.38.0.0/21

Range ASN Company Num of IPs
4.0.0.0/9 AS3356 Level 3 Parent, LLC 8,388,608
4.0.0.0/9 AS6619 Level 3 Parent, LLC 8,388,608
4.0.0.0/9 AS7287 Level 3 Parent, LLC 8,388,608

Nearby Ranges

BGP prefixes that overlap with 4.38.0.0/16

Range ASN Company Num of IPs
4.0.0.0/9 AS3356 Level 3 Parent, LLC 8,388,608
4.0.0.0/9 AS6619 Level 3 Parent, LLC 8,388,608
4.0.0.0/9 AS7287 Level 3 Parent, LLC 8,388,608

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.
Useful for Cybersecurity

Pingable IPs

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address ASN Details
82.172.138.21 AS13127 Odido Netherlands B.V. 4.92ms from Amsterdam, NL
132.250.245.21 AS48 Navy Network Information Center (NNIC) 2.66ms from Ashburn, US
35.195.184.69 AS396982 Google LLC 0.14ms from Brussels, BE
4.15.224.5 AS3356 Level 3 Parent, LLC 0.47ms from Dallas, US
64.184.229.181 AS10835 Visionary Communications LLC 0.48ms from Denver, US
113.170.10.165 AS45899 VNPT Corp 2.29ms from Ho Chi Minh City, VN
41.216.186.5 AS211407 PT Perwira Media Solusi 0.30ms from Jakarta, ID
36.82.138.197 AS7713 PT Telekomunikasi Indonesia 16.92ms from Jakarta, ID
71.146.111.245 AS7018 AT&T Enterprises, LLC 2.37ms from Los Angeles, US
132.219.134.53 AS376 Reseau d'Informations Scientifiques du Quebec (RISQ Inc.) 6.35ms from Montreal, CA
152.97.138.101 AS21766 BEN LOMAND RURAL TELEPHONE COOPERATIVE, INC. 6.42ms from Murfreesboro, US
126.135.49.133 AS17676 SoftBank Corp. 3.85ms from Osaka, JP
23.204.132.149 AS20940 Akamai International B.V. 0.22ms from Saint-Denis, FR
179.73.169.197 AS26615 TIM S/A 2.37ms from Sao Paulo, BR
121.178.80.229 AS4766 Korea Telecom 8.47ms from Seoul, KR
101.91.221.85 AS4811 China Telecom (Group) 3.32ms from Shanghai, CN
163.20.9.21 AS1659 Taiwan Academic Network (TANet) Information Center 3.00ms from Taipei, TW
210.69.202.197 AS4782 Data Communication Business Group 14.67ms from Taipei, TW
74.43.106.85 AS5650 Frontier Communications of America, Inc. 7.31ms from Ashburn, US
217.230.117.149 AS3320 Deutsche Telekom AG 4.21ms from Duesseldorf, DE
86.178.90.229 AS2856 British Telecommunications PLC 3.65ms from Erith, GB
14.240.37.117 AS45899 VNPT Corp 2.36ms from Ho Chi Minh City, VN
139.94.100.245 AS397412 TACHUS INFRASTRUCTURE LLC 1.15ms from Houston, US
181.139.170.133 AS13489 UNE EPM TELECOMUNICACIONES S.A. 19.70ms from Medellin, CO
67.81.145.245 AS6128 Cablevision Systems Corp. 2.50ms from New York City, US

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

$
traceroute -a -n -q1 -f3 -m7 4.38.5.237
traceroute to 4.38.5.237 (4.38.5.237): 7 hops max, 52 byte packets
3 [] 51.162.224.166 0.56 ms
4 [AS577] 67.69.37.77 0.474 ms
5 *
6 *
7 *
Measurement taken from IPinfo ProbeNet in Winnipeg, CA
On

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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