168.251.0.0/18

AS4911  ·  CenturyLink Communications, LLC

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Summary

Country United States
Domain centurylink.com
ASN AS4911
Parent Range 168.251.0.0/16
Registry ARIN
ID CENTURYLINK-LEGACY-EMBARQ-BKL-13

WHOIS Details

NetHandle:      NET-168-251-0-0-1
OrgID:          CCL-534
Parent:         NET-168-0-0-0-0
NetName:        CENTURYLINK-LEGACY-EMBARQ-BKL-13
NetRange:       168.251.0.0 - 168.251.255.255
NetType:        allocation
RegDate:        1994-10-17
Updated:        2018-05-02
Source:         ARIN


OrgID:          CCL-534
OrgName:        CenturyLink Communications, LLC
CanAllocate:    
Street:         100 CENTURYLINK DR
City:           Monroe
State/Prov:     LA
Country:        US
PostalCode:     71201
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 abuse@aup.lumen.com
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:        2018-07-12
Updated:        2024-06-17
OrgAdminHandle: QIA-ARIN
OrgTechHandle:  QIA-ARIN
OrgAbuseHandle: CAD54-ARIN
OrgRoutingHandle:   RPKIR-ARIN
Source:         ARIN


POCHandle:      QIA-ARIN
IsRole:         Y
LastName:       Centurylink IP Admin
FirstName:      
Street:         100 CENTURYLINK DR
City:           Monroe
State/Prov:     LA
Country:        US
PostalCode:     71201
RegDate:        2002-08-24
Updated:        2025-02-14
OfficePhone:    +1-877-886-6515
Mailbox:        ipadmin@centurylink.com
Source:         ARIN


POCHandle:      CAD54-ARIN
IsRole:         Y
LastName:       Centurylink Abuse Desk
FirstName:      
Street:         100 CENTURYLINK DR
City:           Monroe
State/Prov:     LA
Country:        US
PostalCode:     71203
RegDate:        2015-04-10
Updated:        2025-08-25
OfficePhone:    +1-877-886-6515
Mailbox:        abuse@aup.lumen.com
Source:         ARIN

Overlapping Ranges

BGP prefixes that contain 168.251.0.0/18

Range ASN Company Num of IPs
168.251.0.0/16 AS209 CenturyLink Communications, LLC 65,536
168.251.0.0/16 AS4911 CenturyLink Communications, LLC 65,536

Hosted domains

There is 1 domain name hosted across 1 IP address on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
168.251.5.11 ctlsupplieraccessdev.com 1

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

2 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
168.251.3.24 AS4911 CenturyLink Communications, LLC 13.17ms from Dallas, US
168.251.47.4 AS4911 CenturyLink Communications, LLC 13.48ms from Dallas, US

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
163.10.1.18 AS5692 Universidad Nacional de La Plata 1.89ms from Buenos Aires, AR
216.206.128.2 AS13781 Hopkinsville Electric System 0.34ms from Hopkinsville, US
62.128.140.2 AS13768 Aptum Technologies 1.74ms from London, GB
173.165.195.114 AS7922 Comcast Cable Communications, LLC 12.76ms from Miami, US
107.145.27.98 AS33363 Charter Communications, Inc 5.97ms from Orlando, US
180.24.234.194 AS4713 NTT Communications Corporation 6.39ms from Osaka, JP
200.145.101.66 AS53166 UNIVERSIDADE ESTADUAL PAULISTA 7.52ms from Osasco, BR
88.179.23.2 AS12322 Free SAS 14.74ms from Paris, FR
77.136.52.2 AS15557 Societe Francaise Du Radiotelephone - SFR SA 0.90ms from Paris, FR
86.51.230.50 AS35819 Etihad Etisalat, a joint stock company 0.89ms from Riyadh, SA
49.165.18.210 AS17858 LG POWERCOMM 2.08ms from Seoul, KR
211.60.184.2 AS3786 LG DACOM Corporation 2.68ms from Seoul, KR
1.249.141.66 AS9318 SK Broadband Co Ltd 7.77ms from Seoul, KR
196.245.239.2 AS58065 Orion Network Limited 0.18ms from Tallinn, EE
175.129.97.66 AS2516 KDDI CORPORATION 0.90ms from Tokyo, JP
94.66.149.18 AS6799 Ote SA (Hellenic Telecommunications Organisation) 8.82ms from Athens, GR
189.28.128.242 AS28291 MINISTERIO DA SAUDE 0.63ms from Brasilia, BR
41.47.217.242 AS8452 TE-AS 3.43ms from Cairo, EG
63.233.224.2 AS209 CenturyLink Communications, LLC 5.04ms from Chicago, US
99.198.122.98 AS32475 Internap Holding LLC 0.85ms from Chicago, US
12.29.18.98 AS7018 AT&T Enterprises, LLC 7.90ms from Chicago, US
96.81.198.2 AS7922 Comcast Cable Communications, LLC 4.67ms from Chicago, US
200.193.39.210 AS8167 V tal 9.10ms from Curitiba, BR
130.180.106.146 AS3209 Vodafone GmbH 4.34ms from Frankfurt am Main, DE
84.169.78.146 AS3320 Deutsche Telekom AG 8.58ms from Frankfurt am Main, DE

Traceroute

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

$
traceroute -a -n -q1 -f4 -m9 168.251.59.198
traceroute to 168.251.59.198 (168.251.59.198): 9 hops max, 52 byte packets
4 [AS3356] 4.69.219.65 28.844 ms
5 [AS3356] 4.68.110.178 1.538 ms
6 [AS209] 205.171.25.94 41.303 ms
7 *
8 *
9 *
Measurement taken from IPinfo ProbeNet in Fremont, US
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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