$ query “AS39521” --type=asn → 1 result(s)

AS39521 · TNGNET

TNGNET B.V.

AS39521 is owned by TNGNET B.V. and is a residential access provider, established in the Netherlands in 2016. The system announces a respectable 20 992 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to the United States, with additional presence in the Netherlands and Switzerland, and smaller footprints in 2 additional countries. This AS's prefix announcements have been recently modified.

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

Basic Information

Country
🇳🇱 Netherlands
Category
Internet Service Provider
Network Role
Access Provider
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
June 24, 2016
Last Changed
March 04, 2026
Last Seen
April 30, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
46 / 41
IPv6 Prefixes (raw / aggregated)
4 / 3
IPv4 Addresses
20 992
Largest IPv4 Prefix
/22 (1 024 addresses)
Largest IPv6 Prefix
/29
Geolocated Countries
🇺🇸 United States (13 056 IPs), 🇳🇱 Netherlands (9 392 IPs), 🇨🇭 Switzerland (2 048 IPs) and 2 more
Prefix Changed
April 25, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

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

Upstream Providers (5)

  • AS6939 — HURRICANE
  • AS174 — COGENT-174 (Tier-1 transit)
  • AS6206 — NETROUTING-AS
  • AS6830 — LIBERTYGLOBAL (Tier-1 transit)
  • AS61138 — ZAPPIE-HOST-AS

Prefix Lists

IPv4 Prefixes (46 total)

  • 74.0.160.0/22 (1 024 addresses (/22 prefix))
  • 68.165.208.0/22 (1 024 addresses (/22 prefix))
  • 185.144.56.0/22 (1 024 addresses (/22 prefix))
  • 74.0.248.0/22 (1 024 addresses (/22 prefix))
  • 74.0.200.0/22 (1 024 addresses (/22 prefix))
  • 45.130.100.0/22 (1 024 addresses (/22 prefix))
  • 68.164.0.0/22 (1 024 addresses (/22 prefix))
  • 68.165.140.0/22 (1 024 addresses (/22 prefix))
  • 212.107.4.0/22 (1 024 addresses (/22 prefix))
  • 72.244.124.0/22 (1 024 addresses (/22 prefix))
  • 68.165.176.0/22 (1 024 addresses (/22 prefix))
  • 74.0.132.0/22 (1 024 addresses (/22 prefix))
  • 45.10.16.0/23 (512 addresses (/23 prefix))
  • 45.95.40.0/23 (512 addresses (/23 prefix))
  • 45.88.6.0/23 (512 addresses (/23 prefix))
  • 188.191.50.0/23 (512 addresses (/23 prefix))
  • 143.20.124.0/23 (512 addresses (/23 prefix))
  • 82.22.143.0/24 (256 addresses (/24 prefix))
  • 143.20.54.0/24 (256 addresses (/24 prefix))
  • 82.21.165.0/24 (256 addresses (/24 prefix))
  • 82.21.116.0/24 (256 addresses (/24 prefix))
  • 82.22.157.0/24 (256 addresses (/24 prefix))
  • 82.22.186.0/24 (256 addresses (/24 prefix))
  • 82.23.188.0/24 (256 addresses (/24 prefix))
  • 82.23.191.0/24 (256 addresses (/24 prefix))
  • 83.229.34.0/24 (256 addresses (/24 prefix))
  • 95.178.107.0/24 (256 addresses (/24 prefix))
  • 143.20.6.0/24 (256 addresses (/24 prefix))
  • 82.21.126.0/24 (256 addresses (/24 prefix))
  • 143.20.61.0/24 (256 addresses (/24 prefix))
  • 143.20.62.0/24 (256 addresses (/24 prefix))
  • 143.20.104.0/24 (256 addresses (/24 prefix))
  • 82.21.112.0/24 (256 addresses (/24 prefix))
  • 162.141.98.0/24 (256 addresses (/24 prefix))
  • 167.148.40.0/24 (256 addresses (/24 prefix))
  • 167.148.190.0/24 (256 addresses (/24 prefix))
  • 82.21.58.0/24 (256 addresses (/24 prefix))
  • 188.191.49.0/24 (256 addresses (/24 prefix))
  • 45.88.5.0/24 (256 addresses (/24 prefix))
  • 45.10.18.0/24 (256 addresses (/24 prefix))
  • 217.194.153.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (4 total)

  • 2a07:3bc0::/29
  • 2a05:e4c0::/31
  • 2a05:e4c7::/36