$ query “AS6661” --type=asn → 1 result(s)
AS6661 — EPT-LU
POST Luxembourg
AS6661 is a mid-size transit provider run by POST Luxembourg, registered in Luxembourg since 2002. The network announces a solid 220 160 IPv4 addresses. Supports IPv6.
- Top 5% — Top 5% of all autonomous systems by reach and degree
- #4 in Luxembourg — Top 10 by reach within country
Basic Information
- Country
- 🇱🇺 Luxembourg
- Category
- Internet Service Provider
- Network Role
- Mid-size Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- January 24, 2002
- Last Changed
- March 04, 2026
- Last Seen
- March 05, 2026
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 18 / 18
- IPv6 Prefixes (raw / aggregated)
- 1 / 1
- IPv4 Addresses
- 220 160
- Largest IPv4 Prefix
- /17 (32 768 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇱🇺 LU (35 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Good — 5 flagged IPs out of 220 160 total (0.00%)
Connectivity Summary
- Upstream Providers
- 2 upstream autonomous systems providing transit
- Peers
- 167 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 39 downstream autonomous systems buying transit
- Degree
- 212 unique BGP neighbors (providers + customers + peers)
- Reach
- 58 — customer cone size measuring network influence
- Degree Rank
- #619
- Reach Rank
- #1 421
- Country Rank
- #4
Upstream Providers (2)
Prefix Lists
IPv4 Prefixes (18 total)
- 83.99.0.0/17 (32 768 addresses)
- 88.207.128.0/17 (32 768 addresses)
- 107.183.0.0/17 (32 768 addresses)
- 78.141.128.0/18 (16 384 addresses)
- 87.240.192.0/18 (16 384 addresses)
- 146.0.128.0/18 (16 384 addresses)
- 178.254.64.0/18 (16 384 addresses)
- 188.115.0.0/18 (16 384 addresses)
- 194.154.192.0/19 (8 192 addresses)
- 195.46.224.0/19 (8 192 addresses)
- 213.135.224.0/19 (8 192 addresses)
- 213.166.32.0/19 (8 192 addresses)
- 37.157.152.0/21 (2 048 addresses)
- 146.0.216.0/21 (2 048 addresses)
- 146.0.212.0/22 (1 024 addresses)
- 185.104.108.0/22 (1 024 addresses)
- 193.168.10.0/23 (512 addresses)
- 193.168.14.0/23 (512 addresses)
IPv6 Prefixes (1 total)
- 2001:7e8::/32