206.57.72.0/21

AS3512  ·  Emory University

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Summary

Country United States
Domain level3.com
ASN AS3512
Parent Range 206.57.0.0/17
Registry ARIN
ID LVLT-ORG-206-57

WHOIS Details

NetHandle:      NET-206-57-0-0-1
OrgID:          LPL-141
Parent:         NET-206-0-0-0-0
NetName:        LVLT-ORG-206-57
NetRange:       206.57.0.0 - 206.57.127.255
NetType:        allocation
RegDate:        1995-06-26
Updated:        2018-02-20
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 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:        2018-02-06
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:        2025-01-22
OfficePhone:    +1-877-453-8353
Mailbox:        abuse@level3.com
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:        ipadmin@centurylink.com
Mailbox:        ipadmin@lumen.com
Source:         ARIN

Overlapping Ranges

BGP prefixes that contain 206.57.72.0/21

Range ASN Company Num of IPs
206.57.0.0/17 AS7385 Level 3 Parent, LLC 32,768
206.57.0.0/17 AS3356 Level 3 Parent, LLC 32,768
206.57.0.0/17 AS3512 Level 3 Parent, LLC 32,768
206.57.0.0/17 AS3549 Level 3 Parent, LLC 32,768

Nearby Ranges

BGP prefixes that overlap with 206.57.0.0/16

Range ASN Company Num of IPs
206.57.0.0/17 AS3356 Level 3 Parent, LLC 32,768
206.57.0.0/17 AS3512 Level 3 Parent, LLC 32,768
206.57.0.0/17 AS3549 Level 3 Parent, LLC 32,768
206.57.0.0/17 AS7385 Level 3 Parent, LLC 32,768
206.57.15.0/24 AS26694 Adm Investor Services, Inc 256
206.57.19.0/24 AS46887 Lightower Fiber Networks 256

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

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

IP Address ASN Details
206.57.79.82 AS3512 Emory University 0.99ms from Atlanta, US
206.57.76.2 AS3512 Emory University 1.26ms from Atlanta, US
206.57.78.164 AS3512 Emory University 0.61ms from Atlanta, US
206.57.75.234 AS3512 Emory University 0.70ms from Atlanta, US
206.57.77.118 AS3512 Emory University 0.80ms from Atlanta, 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
141.30.144.101 AS680 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V. 4.07ms from Berlin, DE
82.146.119.69 AS8368 BENESOL BACKBONE 0.34ms from Brussels, BE
68.44.141.133 AS7922 Comcast Cable Communications, LLC 13.50ms from Chicago, US
51.171.139.245 AS5466 Eircom Limited 2.98ms from Dublin, IE
134.93.34.5 AS2857 Johannes Gutenberg-Universitaet Mainz 3.19ms from Frankfurt am Main, DE
93.230.23.245 AS3320 Deutsche Telekom AG 3.51ms from Hamburg, DE
222.170.224.85 AS4134 CHINANET-BACKBONE 9.12ms from Harbin, CN
221.125.131.229 AS9304 HGC Global Communications Limited 12.31ms from Hong Kong, HK
114.4.139.149 AS4761 INDOSAT Internet Network Provider 0.73ms from Jakarta, ID
172.254.207.213 AS12271 Charter Communications Inc 1.26ms from New York City, US
88.188.135.165 AS12322 Free SAS 2.63ms from Paris, FR
97.165.27.197 AS6167 Verizon Business 10.60ms from Philadelphia, US
34.39.153.85 AS396982 Google LLC 0.12ms from Sao Paulo, BR
203.47.216.165 AS1221 Telstra Limited 0.87ms from Sydney, AU
114.46.207.229 AS3462 Data Communication Business Group 3.60ms from Taichung, TW
92.64.87.53 AS1136 KPN B.V. 1.44ms from Amsterdam, NL
121.18.69.53 AS4837 CHINA UNICOM China169 Backbone 8.78ms from Beijing, CN
4.2.80.85 AS3356 Level 3 Parent, LLC 0.35ms from Boston, US
185.91.202.53 AS44185 bonet.systems, s. r. o. 0.22ms from Bratislava, SK
91.127.120.53 AS6855 Slovak Telekom, a.s. 6.00ms from Bratislava, SK
98.53.195.5 AS7922 Comcast Cable Communications, LLC 2.41ms from Denver, US
20.105.58.53 AS8075 Microsoft Corporation 0.16ms from Dublin, IE
86.175.238.197 AS2856 British Telecommunications PLC 5.79ms from Erith, GB
144.48.22.37 AS18403 FPT Telecom Company 0.22ms from Hanoi, VN
112.6.74.149 AS24444 Shandong Mobile Communication Company Limited 5.49ms from Jinan, CN

Traceroute

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

$
traceroute -a -n -q1 -f5 206.57.77.10
traceroute to 206.57.77.10 (206.57.77.10): 64 hops max, 52 byte packets
5 [AS174] 38.104.182.42 0.822 ms
6 *
7 *
8 [AS3512] 206.57.77.10 1.125 ms
Measurement taken from IPinfo ProbeNet in Atlanta, 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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