Home ASN LookupAS3910

AS3910 CENTURYLINK-EUROPE-LEGACY-QWEST - CenturyLink Communications, LLC

🇺🇸

ARINassigned

Announced Prefixes (BGP)

22total

22 IPv40 IPv6

IPv4 Addresses

Allocated (RIR)3,072

Announced (BGP)13,824

IPv6 Addresses

Allocated (RIR)0

Announced (BGP)0

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

🇺🇸 US

RIR

ARIN

Status

assigned

Allocated

1996-10-01

Announced Prefixes

(BGP)22

Prefix	RPKI	IRR	Last Seen
46.182.56.0/21	No ROA	-	2026-10-10
63.147.85.0/24	No ROA	-	2026-10-10
63.159.181.0/24	No ROA	-	2026-10-10
63.225.65.0/24	No ROA	-	2026-10-10
63.228.185.0/24	No ROA	-	2026-10-10
63.229.104.0/24	No ROA	-	2026-10-10
63.230.240.0/24	No ROA	-	2026-10-10
63.231.211.0/24	No ROA	-	2026-10-10
65.100.13.0/24	No ROA	-	2026-10-10
65.120.24.0/21	No ROA	-	2026-10-10

1-10 of 22

1 / 3

Allocated Prefixes

(RIR)2

Prefix	Country	RIR	Status
46.182.56.0/21	🇬🇧 GB	RIPENCC	allocated
185.42.152.0/22	🇬🇧 GB	RIPENCC	allocated

All 22 announced prefixes of AS3910 →

BGP Neighbours

(seen in AS paths)

Upstreams (1)

Networks AS3910 hands its own prefixes to: transit providers, or peers at an exchange.

AS3356Level 3 Parent22

Downstreams (5)

Networks whose own prefixes AS3910 passes on: usually its customers.

AS3561CenturyLink Communications8
AS11857Money Services3
AS21509Apollo Management, L.P2
AS6595U.S. Department Of Defense Education Activity1
AS10599McKesson1

Other adjacent networks (1)

Adjacent to AS3910 in the transit part of AS paths: peers, providers or customers.

AS209CenturyLink Communications5

Transfer History

Registry transfers of AS3910 between organisations.

AS3910M&A · 2018-10-04
Qwest Communications Company, LLC
🇺🇸 US ARIN
→
CenturyLink Communications, LLC
🇺🇸 US ARIN

Date	Resource	From	To	Type
2018-10-04	AS3910	Qwest Communications Company, LLC 🇺🇸 US ARIN	CenturyLink Communications, LLC 🇺🇸 US ARIN	M&A

ASPA

No ASPA

External Links

ARIN Whois RIPEstat

Learn more

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 AS3910 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

Open

GEThttps://api.ipctl.io/v1/asn/3910

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

curl -s "https://api.ipctl.io/v1/asn/3910" | jq