$ query “AS8757” --type=asn → 1 result(s)

AS8757 · NSFOCUS

NSFOCUS Inc.

AS8757 is run by NSFOCUS Inc. and is a mid-size transit provider, established in the United States in 2002. The system announces 3 072 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in the United Kingdom, with additional presence in the United States.

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

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
May 31, 2002
Last Changed
March 04, 2026
Last Seen
April 29, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
12 / 7
IPv6 Prefixes (raw / aggregated)
6 / 4
IPv4 Addresses
3 072
Largest IPv4 Prefix
/22 (1 024 addresses)
Largest IPv6 Prefix
/47
Geolocated Countries
🇬🇧 United Kingdom (2 304 IPs), 🇺🇸 United States (768 IPs)
Prefix Changed
March 04, 2026

Reputation

Reputation
Good — 1 flagged IPs out of 3 072 total (0.03%)
Open Proxies
1 known open proxies in this network

Connectivity Summary

Upstream Providers
3 upstreams providing transit
Peers
155 networks exchanging traffic without transit
Downstream Customers
7 downstreams buying transit
Unclassified
5 unclassified BGP neighbors
Degree
170 unique BGP neighbors
Reach
14 600 networks in customer cone

Upstream Providers (3)

  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS2914 — NTT-DATA-2914 (Tier-1 transit)
  • AS12956 — TELXIUS (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (12 total)

  • 212.58.128.0/22 (1 024 addresses (/22 prefix))
  • 185.144.86.0/23 (512 addresses (/23 prefix))
  • 212.58.134.0/23 (512 addresses (/23 prefix))
  • 185.144.84.0/24 (256 addresses (/24 prefix))
  • 212.58.132.0/24 (256 addresses (/24 prefix))
  • 212.58.149.0/24 (256 addresses (/24 prefix))
  • 212.58.151.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (6 total)

  • 2a07:7b80:102::/47
  • 2a07:7b80:104::/47
  • 2a07:7b80:107::/48
  • 2a07:7b80:108::/48