IP Lens
Bot IP ranges Browse search crawler and bot IP ranges. Provider IP ranges Browse cloud and service provider IP ranges. ASN lookup Find a network and its announced prefixes. CIDR lookup Inspect an IPv4 or IPv6 address range. IP subnet calculator Calculate subnet boundaries, masks, and capacity. Reverse DNS lookup Find hostnames associated with an IP address. Browser Info Check your browser, device, and IP information. Tags Docs
System Light Dark
IP Lens
Tags Docs

Tools

Bot IP rangesProvider IP rangesASN lookupCIDR lookupIP subnet calculatorReverse DNS lookupBrowser Info
Theme System Light Dark
Autonomous system

AS6661

Autonomous System
Autonomous System Number (ASN)
AS6661
Country
Luxembourg (LU)
Organization
POST Luxembourg
Handle
EPT-LU
Names and aliases
Post Group Luxembourg, P&T Luxembourg
Websites
https://www.post.lu
Category
isp
Network Role
midsize_transit
Number of IPv4
219,136
Number of IPv6
1.5846 x 10^29
IPv4 Prefixes

Showing up to 100 prefixes per page.

IPv4 (16) IPv6 (1)
Prefix Address Count First Address Last Address
37.157.152.0/21 2,048 37.157.152.0 37.157.159.255
78.141.128.0/18 16,384 78.141.128.0 78.141.191.255
83.99.0.0/17 32,768 83.99.0.0 83.99.127.255
87.240.192.0/18 16,384 87.240.192.0 87.240.255.255
88.207.128.0/17 32,768 88.207.128.0 88.207.255.255
107.183.0.0/17 32,768 107.183.0.0 107.183.127.255
146.0.128.0/18 16,384 146.0.128.0 146.0.191.255
146.0.212.0/22 1,024 146.0.212.0 146.0.215.255
146.0.216.0/21 2,048 146.0.216.0 146.0.223.255
178.254.64.0/18 16,384 178.254.64.0 178.254.127.255
185.104.108.0/22 1,024 185.104.108.0 185.104.111.255
188.115.0.0/18 16,384 188.115.0.0 188.115.63.255
194.154.192.0/19 8,192 194.154.192.0 194.154.223.255
195.46.224.0/19 8,192 195.46.224.0 195.46.255.255
213.135.224.0/19 8,192 213.135.224.0 213.135.255.255
213.166.32.0/19 8,192 213.166.32.0 213.166.63.255
IP Lens
Contact Terms Privacy Tags Docs Tools
© 2026 IP Lens

Measure a Google Ads conversion?

This visit has a Google Ads or tag-test URL parameter. If you allow conversion measurement, IP Lens will load the Google tag and may use advertising cookies to report whether you search or open an IP result within 48 hours. Google may receive click, device, request, and page data. IP Lens does not use this data for personalized ads. You can decline and continue using every feature. Privacy details