$ query “AS21100” --type=asn → 1 result(s)

AS21100 · ITLDC-EU

GREEN FLOID LLC

AS21100 is operated by GREEN FLOID LLC and serves as a hosting access provider, based in the United States since 2002. The system announces a respectable 13 568 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in the Netherlands, with additional presence in Germany and Italy, and a smaller footprint in another country. Prefix announcements for this AS were recently updated.

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

Basic Information

Country
🇺🇸 United States
Category
Hosting
Network Role
Access Provider
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
June 21, 2002
Last Changed
March 04, 2026
Last Seen
April 29, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
32 / 30
IPv6 Prefixes (raw / aggregated)
8 / 7
IPv4 Addresses
13 568
Largest IPv4 Prefix
/21 (2 048 addresses)
Largest IPv6 Prefix
/31
Geolocated Countries
🇳🇱 Netherlands (18 688 IPs), 🇩🇪 Germany (3 328 IPs), 🇮🇹 Italy (2 048 IPs) and 1 more
Prefix Changed
April 30, 2026

Reputation

Reputation
Good — 5 flagged IPs out of 13 568 total (0.04%)
Open Proxies
1 known open proxies in this network

Connectivity Summary

Upstream Providers
7 upstreams providing transit
Peers
55 networks exchanging traffic without transit
Downstream Customers
6 downstreams buying transit
Unclassified
3 unclassified BGP neighbors
Degree
71 unique BGP neighbors
Reach
7 networks in customer cone

Upstream Providers (7)

Prefix Lists

IPv4 Prefixes (32 total)

  • 195.123.216.0/21 (2 048 addresses (/21 prefix))
  • 185.14.28.0/22 (1 024 addresses (/22 prefix))
  • 185.198.164.0/22 (1 024 addresses (/22 prefix))
  • 185.174.172.0/22 (1 024 addresses (/22 prefix))
  • 217.12.218.0/23 (512 addresses (/23 prefix))
  • 217.12.208.0/23 (512 addresses (/23 prefix))
  • 217.12.200.0/23 (512 addresses (/23 prefix))
  • 46.28.68.0/23 (512 addresses (/23 prefix))
  • 195.245.112.0/23 (512 addresses (/23 prefix))
  • 5.34.180.0/23 (512 addresses (/23 prefix))
  • 185.237.206.0/23 (512 addresses (/23 prefix))
  • 91.90.192.0/24 (256 addresses (/24 prefix))
  • 82.118.19.0/24 (256 addresses (/24 prefix))
  • 185.62.0.0/24 (256 addresses (/24 prefix))
  • 91.235.129.0/24 (256 addresses (/24 prefix))
  • 91.223.123.0/24 (256 addresses (/24 prefix))
  • 91.90.194.0/24 (256 addresses (/24 prefix))
  • 193.106.150.0/24 (256 addresses (/24 prefix))
  • 193.161.202.0/24 (256 addresses (/24 prefix))
  • 195.54.162.0/24 (256 addresses (/24 prefix))
  • 93.187.64.0/24 (256 addresses (/24 prefix))
  • 195.123.237.0/24 (256 addresses (/24 prefix))
  • 82.118.16.0/24 (256 addresses (/24 prefix))
  • 212.8.245.0/24 (256 addresses (/24 prefix))
  • 213.134.2.0/24 (256 addresses (/24 prefix))
  • 46.28.66.0/24 (256 addresses (/24 prefix))
  • 46.28.65.0/24 (256 addresses (/24 prefix))
  • 217.12.215.0/24 (256 addresses (/24 prefix))
  • 45.128.150.0/24 (256 addresses (/24 prefix))
  • 217.12.220.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (8 total)

  • 2a02:27ae::/31
  • 2a02:27a9::/32
  • 2a02:27ab::/32
  • 2001:67c:2f5c::/48
  • 2a06:c6c0::/48
  • 2a06:fcc0:3::/48
  • 2a0e:40c0:2::/48