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AS397423
AS397423 Tier.Net Technologies LLC
TIER-NET - Tier.Net Technologies LLC · registered in the United States
IPv4 addresses 96,768 260 prefixes · 0.003% of announced IPv4
Rank in United States #641 largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide #1,929 of 79,396 networks with IPv4
IPv6 2 x /32 (135,983 x /48) 23 prefixes
IPv6 prefixes
All 23 prefixes.
2602:2c8::/48 2602:f94c::/40 2602:fed2:7116::/48 2602:fed2:7127::/48 2604:2820::/32 2604:7580:9::/48 2604:7580:f1::/48 2604:f440:1::/48 2604:f440:2::/47 2604:f440:4::/47 2604:f440:7::/48 2604:f440:8::/47 2604:f440:a::/48 2604:f440:e::/47 2604:f440:10::/48 2604:f440:18::/45 2604:f440:28::/46 2604:f440:200::/39 2605:6c80:6::/48 2620:db:a000::/48 2a0f:6282:4000::/36 2a12:bec7::/32 2a14:1ec7:f700::/44
Similar-sized networks in United States
ASN Name IPv4 addresses
AS398025 #638 CUMBERLAND-CONNECT - Cumberland Connect98,304
AS6026 #639 DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD)97,536
AS209242 #640 CLOUDFLARESPECTRUM Cloudflare London, LLC96,768
AS33182 #642 DIMENOC - HostDime.com, Inc.96,768
AS300 #643 DNIC-AS-00300 - United States Department of Defense (DoD)96,512
AS40237 #644 UNITED-TELEPHONE - United Telephone Company96,256
IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources