Data as of Nov 8, 2026

209.144.0.0/16

No anonymizer space · no proxy exits in 30 days

CenturyLink Communications, LLC

Announcement

this exact prefix

No RPKI

Announced by

AS3561

Type

Internet provider

92% of it

Announcements

More specific

Announcements inside

Prefix	Origin	Type	Holder
209.144.103.0/24 since Mar 2022	AS25755	Business	CenturyLink Communications, LLC via National Public Radio, Inc.
209.144.137.0/24 since Sep 2014	AS209	Residential	CenturyLink Communications, LLC
209.144.144.0/24 since Feb 2011	AS20141	Hosting	CenturyLink Communications, LLC
209.144.197.0/24 since Jan 2026	AS3356	Unknown	CenturyLink Communications, LLC
209.144.254.0/24 since Nov 2024	AS10753	Unknown	CenturyLink Communications, 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
209.144.0.0/16	65,536	CENTURYLINK-LEGACY-SAVVIS-BLK4	CenturyLink Communications, LLC (CCL-534) · US	Direct Allocation	Sep 18, 1997	abuse@aup.lumen.com
└ 209.144.0.0/24	256	SAVV-S259691-0	unknown	—	—	—
└ 209.144.2.0/24	256	SAVV-S227943-0	unknown	—	—	—
└ 209.144.3.0/24	256	SAVV-S254494-2	unknown	—	—	—
└ 209.144.4.0/23	512	SAVV-HOUSTONINT1	unknown	—	—	—
└ 209.144.7.0/24	256	SAVV-T35401-0	unknown	—	—	—
└ 209.144.16.0/24	256	SAVV-A4859A	unknown	—	—	—
└ 209.144.17.0/24	256	SAVV-SV8960-0	unknown	—	—	—
└ 209.144.18.0/24	256	SAVV-S227890-5	unknown	—	—	—
└ 209.144.19.0/24	256	SAVV-T38161	unknown	—	—	—
└ 209.144.22.0/24	256	SAVV-SV8960-0	unknown	—	—	—
└ 209.144.29.0/24	256	SAVV-S227890-6	unknown	—	—	—
└ 209.144.34.0/24	256	SAVV-S224506-0	unknown	—	—	—
└ 209.144.35.0/24	256	SAVV-SV0155-1	unknown	—	—	—
└ 209.144.44.128/25	128	SAVV-S254265-0	unknown	—	—	—
└ 209.144.50.16/28	16	SAVV-T31493	unknown	—	—	—
└ 209.144.50.32/28	16	SAVV-S91064	unknown	—	—	—
└ 209.144.51.0/28	16	SAVV-S604007-0	unknown	—	—	—
└ 209.144.51.96/28	16	SAVV-SV3215-0	unknown	—	—	—
└ 209.144.51.112/28	16	SAVV-S229134-0	unknown	—	—	—
└ 209.144.51.128/26	64	SAVV-S229252-12	unknown	—	—	—
└ 209.144.51.192/26	64	SAVV-S236085-0	unknown	—	—	—
└ 209.144.52.0/24	256	SAVV-SV8534-1	unknown	—	—	—
└ 209.144.55.0/24	256	SAVV-SV0629-1	unknown	—	—	—
└ 209.144.56.0/24	256	SAVV-ZZMN0-1	unknown	—	—	—
└ 209.144.57.0/24	256	SAVV-T30863-2	unknown	—	—	—
└ 209.144.59.0/28	16	SAVV-S235901-3	unknown	—	—	—
└ 209.144.59.32/28	16	SAVV-S216161-0	unknown	—	—	—
└ 209.144.59.48/28	16	SAVV-S229185-0	unknown	—	—	—
└ 209.144.59.192/26	64	SAVV-SV5513-4	unknown	—	—	—
└ 209.144.60.0/24	256	SAVV-S217936-5	unknown	—	—	—
└ 209.144.61.0/24	256	SAVV-S252051-0	unknown	—	—	—
└ 209.144.62.0/24	256	SAVV-S253079-0	unknown	—	—	—
└ 209.144.63.40/29	8	SAVV-S229252-2	unknown	—	—	—
└ 209.144.63.48/28	16	SAVV-S229252-0	unknown	—	—	—
└ 209.144.63.128/26	64	SAVV-S266322-0	unknown	—	—	—
└ 209.144.63.192/26	64	SAVV-S259565-0	unknown	—	—	—
└ 209.144.64.0/24	256	SAVV-S252050-0	unknown	—	—	—
└ 209.144.65.0/24	256	SAVV-S252201-0	unknown	—	—	—
└ 209.144.68.0/24	256	SAVV-DAUNTLESS1	unknown	—	—	—
└ 209.144.69.0/24	256	SAVV-S93971-1	unknown	—	—	—
└ 209.144.70.64/27	32	SAVV-DATASIS1	unknown	—	—	—
└ 209.144.70.96/28	16	SAVV-SPECIAL1	unknown	—	—	—
└ 209.144.70.128/25	128	SAVV-S266298-0	unknown	—	—	—
└ 209.144.71.0/28	16	SAVV-S223922-2	unknown	—	—	—
└ 209.144.71.16/28	16	SAVV-S224748-0	unknown	—	—	—
└ 209.144.71.40/29	8	SAVV-S225013-0	unknown	—	—	—
└ 209.144.71.48/28	16	SAVV-S225011-0	unknown	—	—	—
└ 209.144.71.64/28	16	SAVV-S264230-0	unknown	—	—	—
└ 209.144.71.96/27	32	SAVV-T36424	unknown	—	—	—
└ 209.144.71.128/25	128	SAVV-MEYUNKOVIC1	unknown	—	—	—
└ 209.144.72.0/24	256	SAVV-S258551-0	unknown	—	—	—
└ 209.144.73.0/24	256	SAVV-S233113-1	unknown	—	—	—
└ 209.144.74.0/24	256	SAVV-S259015-0	unknown	—	—	—
└ 209.144.76.0/24	256	SAVV-S253164-2	unknown	—	—	—
└ 209.144.78.0/24	256	SAVV-S264455-0	unknown	—	—	—
└ 209.144.80.0/24	256	SAVV-T37318-5	unknown	—	—	—
└ 209.144.82.0/24	256	SAVV-S260133-0	unknown	—	—	—
└ 209.144.87.0/24	256	SAVV-209-144-87-0-1	unknown	—	—	—
└ 209.144.88.0/24	256	SAVV-S260641-0	unknown	—	—	—
└ 209.144.89.0/24	256	SAVV-S260641-2	unknown	—	—	—
└ 209.144.91.0/24	256	SAVV-S259915-0	unknown	—	—	—
└ 209.144.94.32/29	8	SAVV-T38703-10	unknown	—	—	—
└ 209.144.94.40/29	8	SAVV-S264226-0	unknown	—	—	—
└ 209.144.94.48/29	8	SAVV-S253194-0	unknown	—	—	—
└ 209.144.94.88/29	8	SAVV-N05736-0	unknown	—	—	—
└ 209.144.95.56/29	8	SAVV-S253194-0	unknown	—	—	—
└ 209.144.95.96/29	8	SAVV-S255315-0	unknown	—	—	—
└ 209.144.95.104/29	8	SAVV-T1453-0	unknown	—	—	—
└ 209.144.95.112/29	8	SAVV-S217041-0	unknown	—	—	—
└ 209.144.97.0/24	256	SAVV-S250731-0	unknown	—	—	—
└ 209.144.100.0/24	256	SAVV-S260820-0	unknown	—	—	—
└ 209.144.101.0/24	256	SAVV-T36981-0	unknown	—	—	—
└ 209.144.103.0/24	256	SAVV-S217112-3	National Public Radio, Inc. (NPR) · US	Reallocated	Apr 18, 2007	aammar@npr.org
└ 209.144.104.0/24	256	SAVV-T36982	unknown	—	—	—
└ 209.144.105.0/24	256	SAVV-WORTECH1	unknown	—	—	—
└ 209.144.106.0/25	128	SAVV-S250919-0	unknown	—	—	—
└ 209.144.106.128/25	128	SAVV-S228132-3	unknown	—	—	—
└ 209.144.107.0/24	256	SAVV-SV5540	unknown	—	—	—
└ 209.144.109.0/24	256	SAVV-S255284-1	unknown	—	—	—
└ 209.144.110.152/29	8	SAVV-S259069-0	unknown	—	—	—
└ 209.144.110.240/28	16	SAVV-S604695-0	unknown	—	—	—
└ 209.144.110.240/28	16	JORSEY-209-144-110-240-28	unknown	—	—	—
└ 209.144.111.0/24	256	SAVV-S218407-0	unknown	—	—	—
└ 209.144.128.80/28	16	SAVV-S217883-1	unknown	—	—	—
└ 209.144.129.0/27	32	SAVV-DAVIDSON2	unknown	—	—	—
└ 209.144.129.64/28	16	SAVV-SV0371-2	unknown	—	—	—
└ 209.144.129.96/27	32	SAVV-T35262	unknown	—	—	—
└ 209.144.131.0/24	256	SAVV-S214764-0	unknown	—	—	—
└ 209.144.136.0/24	256	SAVV-S265063-2	unknown	—	—	—
└ 209.144.138.0/23	512	SAVV-MACQUARIUM1	unknown	—	—	—
└ 209.144.148.0/24	256	SAVV-S263199-5	unknown	—	—	—
└ 209.144.149.0/27	32	SAVV-S212286	unknown	—	—	—
└ 209.144.149.40/29	8	SAVV-T34809	unknown	—	—	—
└ 209.144.149.160/27	32	SAVV-S225540-0	unknown	—	—	—
└ 209.144.151.0/24	256	SAVV-T31733	unknown	—	—	—
└ 209.144.152.0/24	256	SAVV-T36852	unknown	—	—	—
└ 209.144.153.0/24	256	SAVV-T37707	unknown	—	—	—
└ 209.144.160.232/29	8	SAVV-S602143-0	unknown	—	—	—
└ 209.144.161.8/29	8	SAVV-INFONCO1	unknown	—	—	—
└ 209.144.161.40/29	8	SAVV-S259516-0	unknown	—	—	—
└ 209.144.161.48/28	16	SAVV-S263871-6	unknown	—	—	—
└ 209.144.161.64/26	64	SAVV-S214304	unknown	—	—	—
└ 209.144.161.128/27	32	SAVV-T32164	unknown	—	—	—
└ 209.144.161.192/27	32	SAVV-VALENT2	unknown	—	—	—
└ 209.144.163.8/29	8	SAVV-S253774-0	unknown	—	—	—
└ 209.144.163.32/29	8	SAVV-S228293-0	unknown	—	—	—
└ 209.144.163.40/29	8	SAVV-S231603-0	unknown	—	—	—
└ 209.144.163.56/29	8	SAVV-S254761-0	unknown	—	—	—
└ 209.144.163.64/29	8	SAVV-S254708-0	unknown	—	—	—
└ 209.144.163.80/29	8	SAVV-S212136-0	unknown	—	—	—
└ 209.144.163.160/27	32	SAVV-S251076-0	unknown	—	—	—
└ 209.144.163.192/27	32	SAVV-S254554-0	unknown	—	—	—
└ 209.144.163.224/29	8	SAVV-S254738-1	unknown	—	—	—
└ 209.144.163.232/29	8	SAVV-S255291-4	unknown	—	—	—
└ 209.144.164.0/24	256	CLARKECONSULTING	unknown	—	—	—
└ 209.144.167.0/25	128	SAVV-SUSELIN2	unknown	—	—	—
└ 209.144.167.144/29	8	SAVV-S228293-0	unknown	—	—	—
└ 209.144.167.152/29	8	SAVV-S228273-0	unknown	—	—	—
└ 209.144.167.176/29	8	SAVV-S236977-0	unknown	—	—	—
└ 209.144.167.192/27	32	SAVV-S253364-0	unknown	—	—	—
└ 209.144.167.240/28	16	SAVV-T38734	unknown	—	—	—
└ 209.144.170.0/25	128	SAVV-S236053-3	unknown	—	—	—
└ 209.144.170.128/26	64	SAVV-BAMBOO1	unknown	—	—	—
└ 209.144.171.0/24	256	SAVV-EDELMAN4	unknown	—	—	—
└ 209.144.175.0/24	256	SAVV-S252912-5	unknown	—	—	—
└ 209.144.180.0/27	32	SAVV-S212129	unknown	—	—	—
└ 209.144.180.32/28	16	SAVV-S253624-0	unknown	—	—	—
└ 209.144.180.64/27	32	SAVV-ADVANSO1	unknown	—	—	—
└ 209.144.180.96/28	16	SAVV-T35753	unknown	—	—	—
└ 209.144.180.128/25	128	SAVV-S252170-0	unknown	—	—	—
└ 209.144.181.64/26	64	SAVV-T36711	unknown	—	—	—
└ 209.144.181.128/26	64	SAVV-S214174-3	unknown	—	—	—
└ 209.144.181.208/29	8	SAVV-S226576-0	unknown	—	—	—
└ 209.144.181.224/29	8	SAVV-S212081-0	unknown	—	—	—
└ 209.144.181.232/29	8	SAVV-S228708-0	unknown	—	—	—
└ 209.144.181.248/29	8	SAVV-S236053-0	unknown	—	—	—
└ 209.144.182.0/23	512	SAVV-SV1934	unknown	—	—	—
└ 209.144.184.0/24	256	SAVV-S216815-0	unknown	—	—	—
└ 209.144.185.0/24	256	SAVV-T32164-3	unknown	—	—	—
└ 209.144.186.0 - 209.144.191.255	1,536	SAVV-SV0857-1	unknown	—	—	—
└ 209.144.192.16/28	16	SAVV-KONORAN1	unknown	—	—	—
└ 209.144.192.32/28	16	SAVV-SPICERA3	unknown	—	—	—
└ 209.144.192.48/28	16	SAVV-PLP-DIG1	unknown	—	—	—
└ 209.144.192.80/28	16	SAVV-S263924-0	unknown	—	—	—
└ 209.144.192.96/29	8	SAVV-S252904-0	unknown	—	—	—
└ 209.144.192.104/29	8	SAVV-S262165-0	unknown	—	—	—
└ 209.144.192.120/29	8	SAVV-S266286-0	unknown	—	—	—
└ 209.144.192.160/28	16	SAVV-T38611	unknown	—	—	—
└ 209.144.196.0/24	256	SAVV-S266446-0	unknown	—	—	—
└ 209.144.197.0/24	256	SAVV-S213370	Cheesecake Factory 00 CH (CF0C) · US	Reassigned	Aug 17, 2002	—
└ 209.144.200.0/24	256	SAVV-S213568	unknown	—	—	—
└ 209.144.201.0/24	256	SAVV-S213913-1	unknown	—	—	—
└ 209.144.202.0/25	128	SAVV-S253673-3	unknown	—	—	—
└ 209.144.202.128/26	64	SAVV-S601360-0	unknown	—	—	—
└ 209.144.203.0/27	32	SAVV-S224522-0	unknown	—	—	—
└ 209.144.203.32/27	32	SAVV-S224507-0	unknown	—	—	—
└ 209.144.203.64/27	32	SAVV-S601020-0	unknown	—	—	—
└ 209.144.203.160/27	32	SAVV-S250731-0	unknown	—	—	—
└ 209.144.203.216/29	8	SAVV-S254234-0	unknown	—	—	—
└ 209.144.203.224/29	8	SAVV-S254235-0	unknown	—	—	—
└ 209.144.203.232/29	8	SAVV-S254236-0	unknown	—	—	—
└ 209.144.204.0/26	64	SAVV-T37840	unknown	—	—	—
└ 209.144.204.64/27	32	SAVV-T37304	unknown	—	—	—
└ 209.144.204.96/28	16	SAVV-S604250-0	unknown	—	—	—
└ 209.144.204.120/29	8	SAVV-S265685-0	unknown	—	—	—
└ 209.144.204.128/28	16	SAVV-T38849	unknown	—	—	—
└ 209.144.204.144/28	16	SAVV-S600909-0	unknown	—	—	—
└ 209.144.204.160/29	8	SAVV-S600079-0	unknown	—	—	—
└ 209.144.204.168/29	8	SAVV-S600078-0	unknown	—	—	—
└ 209.144.204.176/29	8	SAVV-S265738-0	unknown	—	—	—
└ 209.144.204.184/29	8	SAVV-S260769-0	unknown	—	—	—
└ 209.144.204.192/27	32	SAVV-S218360-3	unknown	—	—	—
└ 209.144.204.240/29	8	SAVV-S225125-0	unknown	—	—	—
└ 209.144.205.0/24	256	NET-64-240-67-240-1	unknown	—	—	—
└ 209.144.205.0/24	256	JETTIS-IP-DIRECT	unknown	—	—	—
└ 209.144.206.96/27	32	SAVV-S254522-0	unknown	—	—	—
└ 209.144.206.200/29	8	SAVV-S254233-0	unknown	—	—	—
└ 209.144.206.208/29	8	SAVV-S600944-0	unknown	—	—	—
└ 209.144.206.216/29	8	SAVV-S259807-0	unknown	—	—	—
└ 209.144.206.224/29	8	SAVV-S254551-0	unknown	—	—	—
└ 209.144.206.232/29	8	SAVV-S254356-0	unknown	—	—	—
└ 209.144.206.240/29	8	SAVV-S254710-0	unknown	—	—	—
└ 209.144.207.0/26	64	SAVV-S601359-3	unknown	—	—	—
└ 209.144.207.64/26	64	SAVV-S228000-5	unknown	—	—	—
└ 209.144.207.192/26	64	SAVV-S262376-0	unknown	—	—	—
└ 209.144.210.0/24	256	SAVV-SV3092-1	unknown	—	—	—
└ 209.144.211.0/24	256	SAVV-S255702-0	unknown	—	—	—
└ 209.144.214.0/24	256	SAVV-S266446-0	unknown	—	—	—
└ 209.144.215.0/24	256	SAVV-T38521-0	unknown	—	—	—
└ 209.144.217.0/25	128	SAVV-T37854-2	unknown	—	—	—
└ 209.144.218.0/23	512	SAVV-CITYNAT1	unknown	—	—	—
└ 209.144.220.0/25	128	SAVV-SWIFT1	unknown	—	—	—
└ 209.144.222.64/27	32	SAVV-S259599-0	unknown	—	—	—
└ 209.144.222.96/27	32	SAVV-S255491-0	unknown	—	—	—
└ 209.144.222.200/29	8	SAVV-S260517-0	unknown	—	—	—
└ 209.144.222.208/29	8	SAVV-S610214-0	unknown	—	—	—
└ 209.144.222.216/29	8	SAVV-S260517-0	unknown	—	—	—
└ 209.144.222.224/29	8	SAVV-S260769-0	unknown	—	—	—
└ 209.144.222.232/29	8	SAVV-SV6494-0	unknown	—	—	—
└ 209.144.222.240/29	8	SAVV-S260862-0	unknown	—	—	—

← Previous1–200 of 212 · page 1 of 2Next →

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	60,000	92%	78
Business	4,256	6.5%	138
Residential	512	0.78%	2
Unknown	512	0.78%	2
Hosting	256	0.39%	1

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Origin network

AS3561

Name: CenturyLink Communications, LLC
Type: Internet provider
Registered: Oct 7, 1998
Domain: lumen.com
Website: www.lumen.com/
Industry: Internet Service Provider (ISP)
Spamhaus ASN-DROP: not listed

IRR inside

Route objects inside

Prefix	Origin	Registry	Description	Maintainer	Modified
209.144.3.0/24	AS11057	ALTDB	J. Walter Thompson	MAINT-AS11057	May 16, 2005
209.144.20.0/23	AS23376	RADB	PNAP-DAL Appserve Route	MAINT-AS1828	Nov 13, 2023
209.144.26.0/23	AS23376	RADB	PNAP-DAL Appserve Route	MAINT-AS1828	Nov 13, 2023
209.144.30.0/23	AS23376	RADB	PNAP-DAL Appserve Route	MAINT-AS1828	Nov 13, 2023
209.144.30.0/24	AS23376	RADB	PNAP-DAL APPSERVE	MAINT-AS1828	Nov 13, 2023
209.144.88.0/23	AS19019	RADB	RR-RC-CoSentry-Kansas City	MAINT-RR	Nov 13, 2023
209.144.136.0/23	AS10710	RADB	PNAP-ATL	MAINT-AS1828	Nov 13, 2023
209.144.148.0/24	AS7029	RADB	Proxy fbo Workflow - Atlanta (AS30456)	MAINT-AS7029	Nov 13, 2023
209.144.152.0/24	AS46085	RADB	RR-RC-Net32-Cary	MAINT-RR	Nov 13, 2023
209.144.180.0/23	AS10911	RADB	PNAP-SFJ	MAINT-AS1828	Nov 13, 2023
209.144.211.0/24	AS11880	RADB	PNAP-LAX	MAINT-AS1828	Nov 13, 2023
209.144.219.0/24	AS15132	RADB	PNAP-LAX	MAINT-AS1828	Nov 13, 2023
209.144.224.0/23	AS23376	RADB	PNAP-DAL APPSERVE	MAINT-AS1828	Nov 13, 2023
209.144.228.0/24	AS23376	RADB	PNAP-DAL APPSERVE	MAINT-AS1828	Nov 13, 2023

209.144.0.0/16

Announcements

Announcements inside

Registrations in this block

Composition

Address share

Types across the prefix

Network & registry

AS3561

Who has announced this prefix

Routing history

Route objects inside

Registration for this announcement

Abuse contact