AS209 · US — CenturyLink Communications, LLC

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CENTURYLINK-US-LEGACY-QWEST · ARIN · US

Identity source

AS209 ·

US CenturyLink Communications, LLC

NRO allocation data

1,587IPv4 prefixes

32IPv6 prefixes

191Observed neighbors

RPKIValid: 14 Invalid: 0 Not found: 1605 Unknown: 0

Selected local snapshot coverage; not the whole Internet. BGP snapshots: ris-rrc00 11 Oct 00:00 UTC; routeviews2 11 Oct 06:00 UTC; routeviews6 11 Oct 04:00 UTC. Validator: 11 Oct 06:22 UTC. Publication-point issues: 90

Address space details

Overlapping originated prefixes counted once. IPv4 addresses: 19,845,632

IPv6 addresses: 20599327089412006232838125912064

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Observed originated prefixes

These are observed BGP origins, not an inventory of registered allocations or transit reachability.

1619 matching prefix–origin pairs. Each pair appears once; source observations are in Details.

Prefix	RPKI	Last observed	Details
8.15.5.0/24	Not Found	11 Oct 06:00 UTC	2 source observations ris-rrc00 · 2026-10-11T00:00:00+00:00 · 1 selected peers · RPKI not_found routeviews2 · 2026-10-11T06:00:00+00:00 · 1 selected peers · RPKI not_found
24.223.60.0/24	Not Found	11 Oct 06:00 UTC	2 source observations ris-rrc00 · 2026-10-11T00:00:00+00:00 · 1 selected peers · RPKI not_found routeviews2 · 2026-10-11T06:00:00+00:00 · 1 selected peers · RPKI not_found
24.223.74.0/23	Not Found	11 Oct 06:00 UTC	2 source observations ris-rrc00 · 2026-10-11T00:00:00+00:00 · 1 selected peers · RPKI not_found routeviews2 · 2026-10-11T06:00:00+00:00 · 1 selected peers · RPKI not_found
52.119.16.0/20	Not Found	11 Oct 06:00 UTC	2 source observations ris-rrc00 · 2026-10-11T00:00:00+00:00 · 1 selected peers · RPKI not_found routeviews2 · 2026-10-11T06:00:00+00:00 · 1 selected peers · RPKI not_found
52.119.26.0/24	Not Found	11 Oct 06:00 UTC	2 source observations ris-rrc00 · 2026-10-11T00:00:00+00:00 · 1 selected peers · RPKI not_found routeviews2 · 2026-10-11T06:00:00+00:00 · 1 selected peers · RPKI not_found
52.119.28.0/24	Not Found	11 Oct 06:00 UTC	2 source observations ris-rrc00 · 2026-10-11T00:00:00+00:00 · 1 selected peers · RPKI not_found routeviews2 · 2026-10-11T06:00:00+00:00 · 1 selected peers · RPKI not_found
63.144.0.0/12	Not Found	11 Oct 06:00 UTC	2 source observations ris-rrc00 · 2026-10-11T00:00:00+00:00 · 1 selected peers · RPKI not_found routeviews2 · 2026-10-11T06:00:00+00:00 · 1 selected peers · RPKI not_found
63.152.0.0/16	Not Found	11 Oct 06:00 UTC	2 source observations ris-rrc00 · 2026-10-11T00:00:00+00:00 · 1 selected peers · RPKI not_found routeviews2 · 2026-10-11T06:00:00+00:00 · 1 selected peers · RPKI not_found
63.153.0.0/18	Not Found	11 Oct 06:00 UTC	2 source observations ris-rrc00 · 2026-10-11T00:00:00+00:00 · 1 selected peers · RPKI not_found routeviews2 · 2026-10-11T06:00:00+00:00 · 1 selected peers · RPKI not_found
63.153.128.0/17	Not Found	11 Oct 06:00 UTC	2 source observations ris-rrc00 · 2026-10-11T00:00:00+00:00 · 1 selected peers · RPKI not_found routeviews2 · 2026-10-11T06:00:00+00:00 · 1 selected peers · RPKI not_found
63.155.0.0/16	Not Found	11 Oct 06:00 UTC	2 source observations ris-rrc00 · 2026-10-11T00:00:00+00:00 · 1 selected peers · RPKI not_found routeviews2 · 2026-10-11T06:00:00+00:00 · 1 selected peers · RPKI not_found
63.155.0.0/19	Not Found	11 Oct 06:00 UTC	2 source observations ris-rrc00 · 2026-10-11T00:00:00+00:00 · 1 selected peers · RPKI not_found routeviews2 · 2026-10-11T06:00:00+00:00 · 1 selected peers · RPKI not_found
63.224.0.0/12	Not Found	11 Oct 06:00 UTC	2 source observations ris-rrc00 · 2026-10-11T00:00:00+00:00 · 1 selected peers · RPKI not_found routeviews2 · 2026-10-11T06:00:00+00:00 · 1 selected peers · RPKI not_found
63.224.0.0/21	Not Found	11 Oct 06:00 UTC	2 source observations ris-rrc00 · 2026-10-11T00:00:00+00:00 · 1 selected peers · RPKI not_found routeviews2 · 2026-10-11T06:00:00+00:00 · 1 selected peers · RPKI not_found
63.224.10.0/23	Not Found	11 Oct 06:00 UTC	2 source observations ris-rrc00 · 2026-10-11T00:00:00+00:00 · 1 selected peers · RPKI not_found routeviews2 · 2026-10-11T06:00:00+00:00 · 1 selected peers · RPKI not_found
63.224.16.0/21	Not Found	11 Oct 06:00 UTC	2 source observations ris-rrc00 · 2026-10-11T00:00:00+00:00 · 1 selected peers · RPKI not_found routeviews2 · 2026-10-11T06:00:00+00:00 · 1 selected peers · RPKI not_found
63.224.25.0/24	Not Found	11 Oct 06:00 UTC	2 source observations ris-rrc00 · 2026-10-11T00:00:00+00:00 · 1 selected peers · RPKI not_found routeviews2 · 2026-10-11T06:00:00+00:00 · 1 selected peers · RPKI not_found
63.224.26.0/23	Not Found	11 Oct 06:00 UTC	2 source observations ris-rrc00 · 2026-10-11T00:00:00+00:00 · 1 selected peers · RPKI not_found routeviews2 · 2026-10-11T06:00:00+00:00 · 1 selected peers · RPKI not_found
63.224.32.0/21	Not Found	11 Oct 06:00 UTC	2 source observations ris-rrc00 · 2026-10-11T00:00:00+00:00 · 1 selected peers · RPKI not_found routeviews2 · 2026-10-11T06:00:00+00:00 · 1 selected peers · RPKI not_found
63.224.40.0/22	Not Found	11 Oct 06:00 UTC	2 source observations ris-rrc00 · 2026-10-11T00:00:00+00:00 · 1 selected peers · RPKI not_found routeviews2 · 2026-10-11T06:00:00+00:00 · 1 selected peers · RPKI not_found
63.224.44.0/24	Not Found	11 Oct 06:00 UTC	2 source observations ris-rrc00 · 2026-10-11T00:00:00+00:00 · 1 selected peers · RPKI not_found routeviews2 · 2026-10-11T06:00:00+00:00 · 1 selected peers · RPKI not_found
63.224.46.0/23	Not Found	11 Oct 06:00 UTC	2 source observations ris-rrc00 · 2026-10-11T00:00:00+00:00 · 1 selected peers · RPKI not_found routeviews2 · 2026-10-11T06:00:00+00:00 · 1 selected peers · RPKI not_found
63.224.48.0/24	Not Found	11 Oct 06:00 UTC	2 source observations ris-rrc00 · 2026-10-11T00:00:00+00:00 · 1 selected peers · RPKI not_found routeviews2 · 2026-10-11T06:00:00+00:00 · 1 selected peers · RPKI not_found
63.224.51.0/24	Not Found	11 Oct 06:00 UTC	2 source observations ris-rrc00 · 2026-10-11T00:00:00+00:00 · 1 selected peers · RPKI not_found routeviews2 · 2026-10-11T06:00:00+00:00 · 1 selected peers · RPKI not_found
63.224.54.0/23	Not Found	11 Oct 06:00 UTC	2 source observations ris-rrc00 · 2026-10-11T00:00:00+00:00 · 1 selected peers · RPKI not_found routeviews2 · 2026-10-11T06:00:00+00:00 · 1 selected peers · RPKI not_found

Next rows

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Observed AS neighbors

191 unique neighbors in the selected local snapshots. This is the available collector dataset, not a complete map of the Internet. Adjacency does not establish upstream service or peering.

191 matching neighbors · 26–50 shown

Network	IPv4/IPv6	Seen in	Last observed	Details
AS10966 · US ALASKA-AIR - Alaska Airlines, Inc.	IPv4	ris-rrc00, routeviews2	11 Oct 06:00 UTC	Source observations ris-rrc00 · IPv4 · 11 Oct 00:00 UTC routeviews2 · IPv4 · 11 Oct 06:00 UTC
AS11255 · US SBT-NET - Screamin Banshee Technologies	IPv4	ris-rrc00, routeviews2	11 Oct 06:00 UTC	Source observations ris-rrc00 · IPv4 · 11 Oct 00:00 UTC routeviews2 · IPv4 · 11 Oct 06:00 UTC
AS11651 · US AS-TKCHOLDINGS-LLC - Centric Group, LLC	IPv4	ris-rrc00, routeviews2	11 Oct 06:00 UTC	Source observations ris-rrc00 · IPv4 · 11 Oct 00:00 UTC routeviews2 · IPv4 · 11 Oct 06:00 UTC
AS11857 · US AEGONUSA - Money Services, Inc.	IPv4	ris-rrc00, routeviews2	11 Oct 06:00 UTC	Source observations ris-rrc00 · IPv4 · 11 Oct 00:00 UTC routeviews2 · IPv4 · 11 Oct 06:00 UTC
AS12113 · US DAWN-FOOD-PRODUCTS - Dawn Food Products, Inc.	IPv4	ris-rrc00, routeviews2	11 Oct 06:00 UTC	Source observations ris-rrc00 · IPv4 · 11 Oct 00:00 UTC routeviews2 · IPv4 · 11 Oct 06:00 UTC
AS12156 · US AURORA-COLORADO - City of Aurora Colorado	IPv4	ris-rrc00	11 Oct 00:00 UTC	Source observations ris-rrc00 · IPv4 · 11 Oct 00:00 UTC
AS12238 · US AECOM - AECOM	IPv4	ris-rrc00, routeviews2	11 Oct 06:00 UTC	Source observations ris-rrc00 · IPv4 · 11 Oct 00:00 UTC routeviews2 · IPv4 · 11 Oct 06:00 UTC
AS13485 · US GCU - Grand Canyon University	IPv4	ris-rrc00, routeviews2	11 Oct 06:00 UTC	Source observations ris-rrc00 · IPv4 · 11 Oct 00:00 UTC routeviews2 · IPv4 · 11 Oct 06:00 UTC
AS13516 · US CTCA1336 - Cancer Treatment Centers of America, Inc.	IPv4	ris-rrc00, routeviews2	11 Oct 06:00 UTC	Source observations ris-rrc00 · IPv4 · 11 Oct 00:00 UTC routeviews2 · IPv4 · 11 Oct 06:00 UTC
AS13548 · US CHARLESTON-AS - College of Charleston	IPv4	routeviews2	11 Oct 06:00 UTC	Source observations routeviews2 · IPv4 · 11 Oct 06:00 UTC
AS13659 · US INTERTECH - INTERTECH CORPORATION	IPv4	ris-rrc00, routeviews2	11 Oct 06:00 UTC	Source observations ris-rrc00 · IPv4 · 11 Oct 00:00 UTC routeviews2 · IPv4 · 11 Oct 06:00 UTC
AS13684 · US ASN-MEDTRONIC-1 - Medtronic, Incorporated	IPv4	ris-rrc00, routeviews2	11 Oct 06:00 UTC	Source observations ris-rrc00 · IPv4 · 11 Oct 00:00 UTC routeviews2 · IPv4 · 11 Oct 06:00 UTC
AS13813 · US BROADSOFT-INC-NORTH-AMERICA - BroadSoft, Inc.	IPv4	ris-rrc00, routeviews2	11 Oct 06:00 UTC	Source observations ris-rrc00 · IPv4 · 11 Oct 00:00 UTC routeviews2 · IPv4 · 11 Oct 06:00 UTC
AS13866 · US CCOUNTRY - Computer Country	IPv4	ris-rrc00, routeviews2	11 Oct 06:00 UTC	Source observations ris-rrc00 · IPv4 · 11 Oct 00:00 UTC routeviews2 · IPv4 · 11 Oct 06:00 UTC
AS14242 · US AS-NETBLK-COC - City of Chandler	IPv4	ris-rrc00	11 Oct 00:00 UTC	Source observations ris-rrc00 · IPv4 · 11 Oct 00:00 UTC
AS14438 · US USA-CHOICE-OIL-CITY - U S A CHOICE INTERNET SERVICES CO.	IPv4	ris-rrc00, routeviews2	11 Oct 06:00 UTC	Source observations ris-rrc00 · IPv4 · 11 Oct 00:00 UTC routeviews2 · IPv4 · 11 Oct 06:00 UTC
AS14459 · US ENTERTAINMENTPARTNERS-AS-A - Entertainment Partners	IPv4	ris-rrc00, routeviews2	11 Oct 06:00 UTC	Source observations ris-rrc00 · IPv4 · 11 Oct 00:00 UTC routeviews2 · IPv4 · 11 Oct 06:00 UTC
AS14622 · US AS-14622-CHI - GoFIBER	IPv4	ris-rrc00, routeviews2	11 Oct 06:00 UTC	Source observations ris-rrc00 · IPv4 · 11 Oct 00:00 UTC routeviews2 · IPv4 · 11 Oct 06:00 UTC
AS14848 · US DOOSAN-INFORMATION-COMMUNICATIONS-AMERICA - DOOSAN INFORMATION AND COMMUNICATIONS AMERICA, LLC	IPv4	ris-rrc00	11 Oct 00:00 UTC	Source observations ris-rrc00 · IPv4 · 11 Oct 00:00 UTC
AS14899 · US MOBILEXUSA - MobilexUSA	IPv4	ris-rrc00, routeviews2	11 Oct 06:00 UTC	Source observations ris-rrc00 · IPv4 · 11 Oct 00:00 UTC routeviews2 · IPv4 · 11 Oct 06:00 UTC
AS14921 · US CENTURYLINK-LEGACY-EMBARQ-HDRV - CenturyLink Communications, LLC	IPv4	ris-rrc00, routeviews2	11 Oct 06:00 UTC	Source observations ris-rrc00 · IPv4 · 11 Oct 00:00 UTC routeviews2 · IPv4 · 11 Oct 06:00 UTC
AS16491 · US VIASAT - ViaSat, Inc.	IPv4	ris-rrc00, routeviews2	11 Oct 06:00 UTC	Source observations ris-rrc00 · IPv4 · 11 Oct 00:00 UTC routeviews2 · IPv4 · 11 Oct 06:00 UTC
AS16546 · Registration country unavailable -Reserved AS-	IPv4	ris-rrc00, routeviews2	11 Oct 06:00 UTC	Source observations ris-rrc00 · IPv4 · 11 Oct 00:00 UTC routeviews2 · IPv4 · 11 Oct 06:00 UTC
AS16741 · US CITY-OF-LAKELAND - City Of Lakeland	IPv4	ris-rrc00, routeviews2	11 Oct 06:00 UTC	Source observations ris-rrc00 · IPv4 · 11 Oct 00:00 UTC routeviews2 · IPv4 · 11 Oct 06:00 UTC
AS16756 · US ABCV16756 - ABC Virtual Communications, Inc.	IPv4	ris-rrc00, routeviews2	11 Oct 06:00 UTC	Source observations ris-rrc00 · IPv4 · 11 Oct 00:00 UTC routeviews2 · IPv4 · 11 Oct 06:00 UTC

Previous neighbors

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View observed neighbor graph (up to 15 AS nodes)

Lines mean observed adjacency, with no commercial direction inferred. The table above provides the same evidence and source times.

Showing 14 of 191 matching neighbors, in table sort order, independent of table page.

Peering & locations

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Registry information

ARIN · fetched 10 Oct 22:02 UTC

Resource name: CENTURYLINK-US-LEGACY-QWEST
Handle: AS209
RDAP country: Not supplied
ASN: 209

Registered organizations

CenturyLink Communications, LLC

Last Changed: 04 Oct 2018 18:13 UTC

Registration: 13 Nov 1998 05:00 UTC

Registry source

Allocation statistics

NRO/RIR delegated-extended records describe allocation or assignment ranges. They do not prove a BGP announcement or replace more-specific RDAP registration information. Country is the allocation record’s registration country, not the physical location of every address.

AS209–AS209 · arin · assigned · ASN allocation country: US · Allocation date: 1998-11-13 — NRO/RIR data · snapshot 10 Oct 00:00 UTC

NRO data and format

Prefix count history

Local observation changes

Only comparable successful snapshots are compared. First imports, changed peer coverage and collection gaps are baselines, not new global routes or withdrawals. RPKI transition history is not available before it has been recorded.

10 Oct 16:00 UTC · First observed by pjhtech · 75.171.29.0/24
1 source observations
- routeviews2 · imported 10 Oct 16:52 UTC
10 Oct 16:00 UTC · First observed by pjhtech · 75.171.94.0/24
1 source observations
- routeviews2 · imported 10 Oct 16:52 UTC

Retained local prefix-count observations

Separate collector series. Missing rows are not zero. Peer-set changes are separate coverage, not a continuous trend.

Source	Snapshot	Family	Prefixes	Peer coverage
routeviews2	11 Oct 06:00 UTC	IPv4	1586	140.192.8.16/IPv4
routeviews2	11 Oct 04:00 UTC	IPv4	1586	140.192.8.16/IPv4
routeviews6	11 Oct 04:00 UTC	IPv6	32	2406:840:feed:2::1/IPv6
routeviews2	11 Oct 02:00 UTC	IPv4	1586	140.192.8.16/IPv4
routeviews6	11 Oct 02:00 UTC	IPv6	32	2406:840:feed:2::1/IPv6
ris-rrc00	11 Oct 00:00 UTC	IPv6	32	2a00:5884::6/IPv6, 89.234.186.6/IPv4
ris-rrc00	11 Oct 00:00 UTC	IPv4	1586	2a00:5884::6/IPv6, 89.234.186.6/IPv4
ris-rrc00	10 Oct 16:00 UTC	IPv6	32	2a00:5884::6/IPv6, 89.234.186.6/IPv4
ris-rrc00	10 Oct 16:00 UTC	IPv4	1586	2a00:5884::6/IPv6, 89.234.186.6/IPv4