$ query “AS3910” --type=asn → 1 result(s)
AS3910 — CENTURYLINK-EUROPE-LEGACY-QWEST
CenturyLink Communications LLC
AS3910 is a mid-size transit provider run by CenturyLink Communications LLC, established in the United States in 1996. The network announces a respectable 13 824 IPv4 addresses. No IPv6 support — it's 2026, just saying.
- Pioneer — Registered before the year 2000
Basic Information
- Country
- 🇺🇸 United States
- Category
- Hosting
- Network Role
- Mid-size Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- October 01, 1996
- Last Changed
- March 04, 2026
- Last Seen
- March 05, 2026
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 22 / 21
- IPv6 Prefixes (raw / aggregated)
- 0 / 0
- IPv4 Addresses
- 13 824
- Largest IPv4 Prefix
- /20 (4 096 addresses)
- Geolocated Countries
- 🇺🇸 US (18 IPs), 🇬🇧 GB (11 IPs), 🇫🇷 FR (2 IPs), 🇩🇪 DE, 🇵🇱 PL, 🇧🇪 BE
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs out of 13 824 total (0.00%)
Connectivity Summary
- Upstream Providers
- 2 upstream autonomous systems providing transit
- Peers
- 0 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 6 downstream autonomous systems buying transit
- Degree
- 8 unique BGP neighbors (providers + customers + peers)
- Reach
- 64 — customer cone size measuring network influence
- Degree Rank
- #11 796
- Reach Rank
- #1 362
Upstream Providers (2)
Prefix Lists
IPv4 Prefixes (22 total)
- 204.98.208.0/20 (4 096 addresses)
- 46.182.56.0/21 (2 048 addresses)
- 65.120.24.0/21 (2 048 addresses)
- 185.42.152.0/22 (1 024 addresses)
- 67.148.48.0/23 (512 addresses)
- 63.147.85.0/24 (256 addresses)
- 63.159.181.0/24 (256 addresses)
- 63.225.65.0/24 (256 addresses)
- 63.228.185.0/24 (256 addresses)
- 63.229.104.0/24 (256 addresses)
- 63.230.240.0/24 (256 addresses)
- 63.231.211.0/24 (256 addresses)
- 65.100.13.0/24 (256 addresses)
- 65.148.33.0/24 (256 addresses)
- 65.152.197.0/24 (256 addresses)
- 65.154.234.0/24 (256 addresses)
- 65.158.30.0/24 (256 addresses)
- 67.148.66.0/24 (256 addresses)
- 67.148.251.0/24 (256 addresses)
- 97.107.230.0/24 (256 addresses)
- 205.168.23.0/24 (256 addresses)