$ query “AS23005” --type=asn → 1 result(s)

AS23005 · SWITCH-LTD

SWITCH LTD

AS23005 is operated by SWITCH LTD and serves as a major transit provider, registered in the United States since 2001. The system announces a solid 323 072 IPv4 addresses, including a /16, and supports IPv6. Most of its address space is geolocated to the United States, with additional presence in Argentina and Canada, and smaller footprints in 3 additional countries.

  • Top 5% — Top 5% of all autonomous systems by reach and degree

Basic Information

Country
🇺🇸 United States
Category
Hosting
Network Role
Major Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
December 28, 2001
Last Changed
March 04, 2026
Last Seen
September 22, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
161 / 81
IPv6 Prefixes (raw / aggregated)
13 / 5
IPv4 Addresses
323 072
Largest IPv4 Prefix
/16 (65 536 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇺🇸 United States (477 376 IPs), 🇦🇷 Argentina (35 456 IPs), 🇨🇦 Canada (320 IPs) and 3 more
Prefix Changed
September 01, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
5 upstreams providing transit
Downstream Customers
137 downstreams buying transit
Unclassified
3 unclassified BGP neighbors
Degree
145 unique BGP neighbors
Reach
144 networks in customer cone

Upstream Providers (5)

  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS7018 — ATT-INTERNET4 (Tier-1 transit)
  • AS701 — UUNET (Tier-1 transit)
  • AS7029 — WINDSTREAM

Prefix Lists

IPv4 Prefixes (161 total)

  • 155.130.0.0/16 (65 536 addresses (/16 prefix))
  • 136.179.0.0/16 (65 536 addresses (/16 prefix))
  • 216.166.0.0/17 (32 768 addresses (/17 prefix))
  • 209.99.0.0/17 (32 768 addresses (/17 prefix))
  • 207.207.0.0/18 (16 384 addresses (/18 prefix))
  • 64.9.128.0/18 (16 384 addresses (/18 prefix))
  • 216.115.64.0/19 (8 192 addresses (/19 prefix))
  • 64.79.128.0/19 (8 192 addresses (/19 prefix))
  • 66.116.96.0/19 (8 192 addresses (/19 prefix))
  • 206.222.160.0/19 (8 192 addresses (/19 prefix))
  • 206.127.0.0/19 (8 192 addresses (/19 prefix))
  • 216.196.96.0/19 (8 192 addresses (/19 prefix))
  • 66.209.64.0/19 (8 192 addresses (/19 prefix))
  • 69.194.128.0/20 (4 096 addresses (/20 prefix))
  • 160.231.200.0/21 (2 048 addresses (/21 prefix))
  • 74.122.224.0/21 (2 048 addresses (/21 prefix))
  • 74.120.240.0/21 (2 048 addresses (/21 prefix))
  • 199.59.108.0/22 (1 024 addresses (/22 prefix))
  • 172.99.228.0/22 (1 024 addresses (/22 prefix))
  • 156.20.172.0/22 (1 024 addresses (/22 prefix))
  • 199.193.120.0/22 (1 024 addresses (/22 prefix))
  • 199.248.64.0/22 (1 024 addresses (/22 prefix))
  • 170.136.0.0/22 (1 024 addresses (/22 prefix))
  • 172.87.36.0/22 (1 024 addresses (/22 prefix))
  • 104.167.208.0/22 (1 024 addresses (/22 prefix))
  • 104.244.28.0/22 (1 024 addresses (/22 prefix))
  • 199.180.196.0/22 (1 024 addresses (/22 prefix))
  • 107.191.176.0/23 (512 addresses (/23 prefix))
  • 192.187.144.0/23 (512 addresses (/23 prefix))
  • 205.132.34.0/23 (512 addresses (/23 prefix))
  • 170.62.188.0/23 (512 addresses (/23 prefix))
  • 205.132.36.0/23 (512 addresses (/23 prefix))
  • 139.60.96.0/23 (512 addresses (/23 prefix))
  • 64.84.18.0/23 (512 addresses (/23 prefix))
  • 192.240.150.0/23 (512 addresses (/23 prefix))
  • 167.94.154.0/24 (256 addresses (/24 prefix))
  • 198.161.255.0/24 (256 addresses (/24 prefix))
  • 139.138.49.0/24 (256 addresses (/24 prefix))
  • 162.0.153.0/24 (256 addresses (/24 prefix))
  • 167.94.149.0/24 (256 addresses (/24 prefix))
  • 63.100.176.0/24 (256 addresses (/24 prefix))
  • 168.245.159.0/24 (256 addresses (/24 prefix))
  • 170.39.10.0/24 (256 addresses (/24 prefix))
  • 107.191.188.0/24 (256 addresses (/24 prefix))
  • 107.191.183.0/24 (256 addresses (/24 prefix))
  • 170.136.108.0/24 (256 addresses (/24 prefix))
  • 170.136.110.0/24 (256 addresses (/24 prefix))
  • 170.136.112.0/24 (256 addresses (/24 prefix))
  • 107.191.180.0/24 (256 addresses (/24 prefix))
  • 107.191.178.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (13 total)

  • 2606:a600::/32
  • 2607:ff60::/32
  • 2602:ff64::/36
  • 2602:f45f::/48
  • 2602:f983:5::/48