Autonomous System

AS39521 TNGNET B.V.

ISPActiveNetherlandsRIPE

AS39521 (TNGNET) is an ISP network operated by TNGNET B.V. in Netherlands, registered with RIPE. It has 65 IPv4 prefixes with 25,344 addresses and 5 IPv6 prefixes, which makes it the 6,017th largest of 82,558 active autonomous systems by IPv4 space.

IPv4 addresses25,344in 65 prefixes
IPv6 prefixes5≈ 8.0 × 10²⁹ addresses
Size rank#6,017of 82,558 active ASNs
Abuser scoreVery Low0.03% of its addresses flagged · method

Details

OrganizationTNGNET B.V.
AS nameTNGNET
Websitetngnet.com
Country Netherlands (NL)
Network typeISP
RegistryRIPE
Abuse contactabuse@tngnet.com
Registered2016-06-24
Last updated2026-04-20

IPv4 prefixes

65 prefixes · 25,344 addresses
NetworkAddressesFirst – last address
5.22.204.0/221,0245.22.204.0 – 5.22.207.255
45.130.100.0/221,02445.130.100.0 – 45.130.103.255
68.164.0.0/221,02468.164.0.0 – 68.164.3.255
68.165.140.0/221,02468.165.140.0 – 68.165.143.255
68.165.176.0/221,02468.165.176.0 – 68.165.179.255
68.165.208.0/221,02468.165.208.0 – 68.165.211.255
74.0.132.0/221,02474.0.132.0 – 74.0.135.255
74.0.160.0/221,02474.0.160.0 – 74.0.163.255
74.0.200.0/221,02474.0.200.0 – 74.0.203.255
74.0.248.0/221,02474.0.248.0 – 74.0.251.255
185.144.56.0/221,024185.144.56.0 – 185.144.59.255
216.173.88.0/23512216.173.88.0 – 216.173.89.255
45.10.16.0/2425645.10.16.0 – 45.10.16.255
45.10.17.0/2425645.10.17.0 – 45.10.17.255
45.10.18.0/2425645.10.18.0 – 45.10.18.255
45.88.5.0/2425645.88.5.0 – 45.88.5.255
45.88.6.0/2425645.88.6.0 – 45.88.6.255
45.88.7.0/2425645.88.7.0 – 45.88.7.255
45.88.145.0/2425645.88.145.0 – 45.88.145.255
45.95.40.0/2425645.95.40.0 – 45.95.40.255
45.95.41.0/2425645.95.41.0 – 45.95.41.255
66.253.68.0/2425666.253.68.0 – 66.253.68.255
66.253.69.0/2425666.253.69.0 – 66.253.69.255
66.253.79.0/2425666.253.79.0 – 66.253.79.255
66.253.87.0/2425666.253.87.0 – 66.253.87.255
The 25 largest of 65. The API and the database have all of them.

IPv6 prefixes

5 prefixes
  • 2a07:3bc0::/29
  • 2a05:e4c0::/32
  • 2a05:e4c1::/32
  • 2a05:e4c7::/36
  • 2a05:e4c1:2001::/48

Query AS39521 with the API

The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day.

curl "https://api.ipapi.is/?q=AS39521&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS39521, with or without a key:

curl "https://api.ipapi.is/?q=5.22.204.1"

Other networks of TNGNET B.V.

Largest networks in Netherlands