$ query “AS5606” --type=asn → 1 result(s)

AS5606 · GTS-BACKBONE

GTS Telecom SRL

AS5606 is run by GTS Telecom SRL and is a mid-size transit provider, based in Romania since 2002. The system announces a respectable 92 672 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in Romania. Prefix announcements for this AS were recently updated.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #10 in Romania — Top 10 by reach within country

Basic Information

Country
🇷🇴 Romania
Category
Internet Service Provider
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
June 20, 2002
Last Changed
September 01, 2026
Last Seen
October 21, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
132 / 97
IPv6 Prefixes (raw / aggregated)
5 / 4
IPv4 Addresses
92 672
Largest IPv4 Prefix
/18 (16 384 addresses)
Largest IPv6 Prefix
/29
Geolocated Countries
🇷🇴 Romania (92 672 IPs)
Prefix Changed
October 22, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
6 upstreams providing transit
Peers
146 networks exchanging traffic without transit
Downstream Customers
75 downstreams buying transit
Unclassified
13 unclassified BGP neighbors
Degree
240 unique BGP neighbors
Reach
95 networks in customer cone

Upstream Providers (6)

  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS3257 — GTT-BACKBONE (Tier-1 transit)
  • AS6762 — SEABONE-NET (Tier-1 transit)
  • AS39686 — AS-EUROFIBER
  • AS8708 — DIGI-RO

Prefix Lists

IPv4 Prefixes (132 total)

  • 85.9.0.0/18 (16 384 addresses (/18 prefix))
  • 193.226.128.0/18 (16 384 addresses (/18 prefix))
  • 212.146.64.0/18 (16 384 addresses (/18 prefix))
  • 5.35.208.0/21 (2 048 addresses (/21 prefix))
  • 89.45.168.0/21 (2 048 addresses (/21 prefix))
  • 93.115.112.0/21 (2 048 addresses (/21 prefix))
  • 128.140.224.0/21 (2 048 addresses (/21 prefix))
  • 46.102.144.0/22 (1 024 addresses (/22 prefix))
  • 81.181.252.0/22 (1 024 addresses (/22 prefix))
  • 85.120.16.0/22 (1 024 addresses (/22 prefix))
  • 87.237.104.0/22 (1 024 addresses (/22 prefix))
  • 89.40.16.0/22 (1 024 addresses (/22 prefix))
  • 185.8.152.0/22 (1 024 addresses (/22 prefix))
  • 185.181.240.0/22 (1 024 addresses (/22 prefix))
  • 188.241.72.0/22 (1 024 addresses (/22 prefix))
  • 193.226.68.0/22 (1 024 addresses (/22 prefix))
  • 37.156.182.0/23 (512 addresses (/23 prefix))
  • 45.14.238.0/23 (512 addresses (/23 prefix))
  • 45.67.38.0/23 (512 addresses (/23 prefix))
  • 45.82.28.0/23 (512 addresses (/23 prefix))
  • 80.97.126.0/23 (512 addresses (/23 prefix))
  • 81.180.144.0/23 (512 addresses (/23 prefix))
  • 81.180.250.0/23 (512 addresses (/23 prefix))
  • 85.120.28.0/23 (512 addresses (/23 prefix))
  • 85.122.182.0/23 (512 addresses (/23 prefix))
  • 87.237.110.0/23 (512 addresses (/23 prefix))
  • 89.33.236.0/23 (512 addresses (/23 prefix))
  • 92.114.2.0/23 (512 addresses (/23 prefix))
  • 93.113.58.0/23 (512 addresses (/23 prefix))
  • 93.119.152.0/23 (512 addresses (/23 prefix))
  • 109.205.88.0/23 (512 addresses (/23 prefix))
  • 185.220.184.0/23 (512 addresses (/23 prefix))
  • 188.211.236.0/23 (512 addresses (/23 prefix))
  • 188.213.132.0/23 (512 addresses (/23 prefix))
  • 193.200.62.0/23 (512 addresses (/23 prefix))
  • 195.246.242.0/23 (512 addresses (/23 prefix))
  • 217.156.46.0/23 (512 addresses (/23 prefix))
  • 31.14.21.0/24 (256 addresses (/24 prefix))
  • 45.14.236.0/24 (256 addresses (/24 prefix))
  • 45.67.36.0/24 (256 addresses (/24 prefix))
  • 77.81.2.0/24 (256 addresses (/24 prefix))
  • 80.97.48.0/24 (256 addresses (/24 prefix))
  • 84.247.23.0/24 (256 addresses (/24 prefix))
  • 84.247.28.0/24 (256 addresses (/24 prefix))
  • 85.120.33.0/24 (256 addresses (/24 prefix))
  • 85.120.61.0/24 (256 addresses (/24 prefix))
  • 85.204.75.0/24 (256 addresses (/24 prefix))
  • 85.204.108.0/24 (256 addresses (/24 prefix))
  • 86.104.3.0/24 (256 addresses (/24 prefix))
  • 86.104.17.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (5 total)

  • 2a07:4ec0::/29
  • 2001:4d80::/32
  • 2a0c:7480::/32
  • 2a00:ece1::/48