$ query “AS6663” --type=asn → 1 result(s)

AS6663 · TTI-NET

Euroweb Romania S.R.L.

AS6663 is owned by Euroweb Romania S.R.L. and is a major transit provider, based in Romania since 2002. The system announces a respectable 39 680 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to Romania, with additional presence in Hungary and Slovakia, and smaller footprints in 5 additional countries.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #73 by Reach — Top 100 by customer cone size
  • #4 in Romania — Top 10 by reach within country

Basic Information

Country
🇷🇴 Romania
Category
Hosting
Network Role
Major Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
April 09, 2002
Last Changed
March 04, 2026
Last Seen
April 18, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
48 / 43
IPv6 Prefixes (raw / aggregated)
2 / 2
IPv4 Addresses
39 680
Largest IPv4 Prefix
/18 (16 384 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇷🇴 Romania (55 712 IPs), 🇭🇺 Hungary (6 144 IPs), 🇸🇰 Slovakia (5 696 IPs) and 5 more
Prefix Changed
March 18, 2026

Reputation

Reputation
Pristine — 0 flagged IPs
Open Proxies
1 known open proxies in this network

Connectivity Summary

Upstream Providers
6 upstreams providing transit
Peers
200 networks exchanging traffic without transit
Downstream Customers
116 downstreams buying transit
Unclassified
11 unclassified BGP neighbors
Degree
333 unique BGP neighbors
Reach
38 900 networks in customer cone

Upstream Providers (6)

  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS5405 — INTERDOTLINK
  • AS2914 — NTT-DATA-2914 (Tier-1 transit)
  • AS3223 — VOXILITY
  • AS1121 — VIX-RS (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (48 total)

  • 89.238.192.0/18 (16 384 addresses (/18 prefix))
  • 81.24.16.0/20 (4 096 addresses (/20 prefix))
  • 46.29.0.0/21 (2 048 addresses (/21 prefix))
  • 31.210.8.0/21 (2 048 addresses (/21 prefix))
  • 81.181.88.0/21 (2 048 addresses (/21 prefix))
  • 185.74.20.0/22 (1 024 addresses (/22 prefix))
  • 85.204.32.0/22 (1 024 addresses (/22 prefix))
  • 85.204.100.0/22 (1 024 addresses (/22 prefix))
  • 185.63.4.0/23 (512 addresses (/23 prefix))
  • 193.230.200.0/23 (512 addresses (/23 prefix))
  • 86.106.122.0/23 (512 addresses (/23 prefix))
  • 93.113.104.0/23 (512 addresses (/23 prefix))
  • 193.226.113.0/24 (256 addresses (/24 prefix))
  • 193.230.176.0/24 (256 addresses (/24 prefix))
  • 128.0.6.0/24 (256 addresses (/24 prefix))
  • 94.176.5.0/24 (256 addresses (/24 prefix))
  • 185.63.6.0/24 (256 addresses (/24 prefix))
  • 81.180.206.0/24 (256 addresses (/24 prefix))
  • 185.190.213.0/24 (256 addresses (/24 prefix))
  • 193.226.61.0/24 (256 addresses (/24 prefix))
  • 81.180.201.0/24 (256 addresses (/24 prefix))
  • 193.226.114.0/24 (256 addresses (/24 prefix))
  • 193.226.117.0/24 (256 addresses (/24 prefix))
  • 193.226.119.0/24 (256 addresses (/24 prefix))
  • 193.226.122.0/24 (256 addresses (/24 prefix))
  • 193.226.124.0/24 (256 addresses (/24 prefix))
  • 193.226.126.0/24 (256 addresses (/24 prefix))
  • 128.0.5.0/24 (256 addresses (/24 prefix))
  • 193.230.178.0/24 (256 addresses (/24 prefix))
  • 193.230.181.0/24 (256 addresses (/24 prefix))
  • 193.230.183.0/24 (256 addresses (/24 prefix))
  • 193.230.189.0/24 (256 addresses (/24 prefix))
  • 46.102.108.0/24 (256 addresses (/24 prefix))
  • 193.231.65.0/24 (256 addresses (/24 prefix))
  • 193.231.68.0/24 (256 addresses (/24 prefix))
  • 193.231.73.0/24 (256 addresses (/24 prefix))
  • 193.231.76.0/24 (256 addresses (/24 prefix))
  • 193.231.78.0/24 (256 addresses (/24 prefix))
  • 193.231.80.0/24 (256 addresses (/24 prefix))
  • 193.231.137.0/24 (256 addresses (/24 prefix))
  • 194.153.246.0/24 (256 addresses (/24 prefix))
  • 195.146.11.0/24 (256 addresses (/24 prefix))
  • 217.156.53.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (2 total)

  • 2a02:2720::/32
  • 2a03:6e0:8000::/33