AS6223 CENTURYLINK-MTIPS1-STN - CenturyLink Communications, LLC

🇺🇸

ARINassigned

Announced Prefixes (BGP)

5total

3 IPv42 IPv6

IPv4 Addresses

Allocated (RIR)0

Announced (BGP)2,560

IPv6 Addresses

Allocated (RIR)0

Announced (BGP)2×10²⁵

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

RIR

Status

assigned

Allocated

1996-01-25

Announced Prefixes

(BGP)5

Prefix	RPKI	IRR	Last Seen
65.144.124.0/24	No ROA	-	2026-10-11
199.248.197.0/24	No ROA	-	2026-10-11
208.68.144.0/21	No ROA	-	2026-10-11
2602:814:9000::/44	No ROA	-	2026-10-11
2620:0:960::/48	No ROA	-	2026-10-11

(seen in AS paths)

Networks AS6223 hands its own prefixes to: transit providers, or peers at an exchange.

Networks whose own prefixes AS6223 passes on: usually its customers.

Registry transfers of AS6223 between organisations.

Date	Resource	From	To	Type
2018-10-04	AS6223	Qwest Communications Company, LLC 🇺🇸 US ARIN	CenturyLink Communications, LLC 🇺🇸 US ARIN	M&A

ASPA

No ASPA

External Links

What is an ASN?Autonomous systems, ASN ranges and how they are assigned
RPKI and route origin validationWhat the RPKI badges on the prefix list mean
ASPA explainedWhy AS6223 should publish an ASPA object
IPv4 transfers in the ARIN regionMonthly volume and the latest registry transfers
ASN data in AI agents and SIEMMCP server and API integrations

API

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/6223" | jq