$ query “AS11071” --type=asn → 1 result(s)

AS11071 — IW-ASN-11071

InfoWest

AS11071 is a hosting access provider registered to InfoWest, based in the United States since 1998. The network announces a respectable 49 152 IPv4 addresses. Supports IPv6.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • Pioneer — Registered before the year 2000

Basic Information

Country
🇺🇸 United States
Category
Hosting
Network Role
Access Provider
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
March 30, 1998
Last Changed
March 04, 2026
Last Seen
March 05, 2026

Prefix Summary

IPv4 Prefixes (raw / aggregated)
28 / 27
IPv6 Prefixes (raw / aggregated)
7 / 4
IPv4 Addresses
49 152
Largest IPv4 Prefix
/18 (16 384 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇺🇸 US (32 IPs), 🇦🇺 AU (1 IPs)
Prefix Changed
March 04, 2026

Reputation

Reputation
Pristine — 0 flagged IPs out of 49 152 total (0.00%)
Open Proxies
1 known open proxies in this network

Connectivity Summary

Upstream Providers
5 upstream autonomous systems providing transit
Peers
27 autonomous systems exchanging traffic without transit fees
Downstream Customers
6 downstream autonomous systems buying transit
Degree
38 unique BGP neighbors (providers + customers + peers)
Reach
7 — customer cone size measuring network influence
Degree Rank
#3 749
Reach Rank
#3 656

Upstream Providers (5)

  • AS174 — COGENT-174 (Tier-1 transit)
  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS3257 — GTT-BACKBONE (Tier-1 transit)
  • AS2914 — NTT-DATA-2914 (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (28 total)

  • 209.33.192.0/18 (16 384 addresses)
  • 64.37.0.0/20 (4 096 addresses)
  • 64.255.80.0/20 (4 096 addresses)
  • 70.34.0.0/20 (4 096 addresses)
  • 207.50.144.0/20 (4 096 addresses)
  • 74.120.32.0/21 (2 048 addresses)
  • 208.66.32.0/21 (2 048 addresses)
  • 74.123.12.0/22 (1 024 addresses)
  • 104.152.60.0/22 (1 024 addresses)
  • 104.192.200.0/22 (1 024 addresses)
  • 162.246.100.0/22 (1 024 addresses)
  • 199.66.116.0/22 (1 024 addresses)
  • 206.81.76.0/22 (1 024 addresses)
  • 208.65.0.0/22 (1 024 addresses)
  • 208.88.8.0/22 (1 024 addresses)
  • 74.117.50.0/23 (512 addresses)
  • 148.59.162.0/23 (512 addresses)
  • 195.85.106.0/23 (512 addresses)
  • 198.181.62.0/23 (512 addresses)
  • 8.33.139.0/24 (256 addresses)
  • 74.117.49.0/24 (256 addresses)
  • 192.136.36.0/24 (256 addresses)
  • 192.238.0.0/24 (256 addresses)
  • 204.17.177.0/24 (256 addresses)
  • 204.52.243.0/24 (256 addresses)
  • 204.130.209.0/24 (256 addresses)
  • 206.168.152.0/24 (256 addresses)

IPv6 Prefixes (7 total)

  • 2604:2540::/32
  • 2604:2c00::/32
  • 2606:5980::/32
  • 2602:ff0b::/36