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

AS5606 — GTS-BACKBONE

GTS Telecom SRL

AS5606 is a major transit provider run by GTS Telecom SRL, established in Romania in 2002. The network announces a respectable 92 416 IPv4 addresses. Supports IPv6.

  • Top 5% — Top 5% of all autonomous systems by reach and degree

Basic Information

Country
🇷🇴 Romania
Category
Internet Service Provider
Network Role
Major Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
June 20, 2002
Last Changed
March 04, 2026
Last Seen
March 05, 2026

Prefix Summary

IPv4 Prefixes (raw / aggregated)
132 / 96
IPv6 Prefixes (raw / aggregated)
5 / 4
IPv4 Addresses
92 416
Largest IPv4 Prefix
/18 (16 384 addresses)
Largest IPv6 Prefix
/29
Geolocated Countries
🇷🇴 RO (141 IPs)
Prefix Changed
March 04, 2026

Reputation

Reputation
Good — 1 flagged IPs out of 92 416 total (0.00%)

Connectivity Summary

Upstream Providers
5 upstream autonomous systems providing transit
Peers
136 autonomous systems exchanging traffic without transit fees
Downstream Customers
83 downstream autonomous systems buying transit
Degree
231 unique BGP neighbors (providers + customers + peers)
Reach
108 — customer cone size measuring network influence
Degree Rank
#567
Reach Rank
#1 030

Upstream Providers (5)

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

Prefix Lists

IPv4 Prefixes (132 total)

  • 85.9.0.0/18 (16 384 addresses)
  • 193.226.128.0/18 (16 384 addresses)
  • 212.146.64.0/18 (16 384 addresses)
  • 5.35.208.0/21 (2 048 addresses)
  • 89.45.168.0/21 (2 048 addresses)
  • 93.115.112.0/21 (2 048 addresses)
  • 128.140.224.0/21 (2 048 addresses)
  • 46.102.144.0/22 (1 024 addresses)
  • 81.181.252.0/22 (1 024 addresses)
  • 85.120.16.0/22 (1 024 addresses)
  • 87.237.104.0/22 (1 024 addresses)
  • 89.40.16.0/22 (1 024 addresses)
  • 185.8.152.0/22 (1 024 addresses)
  • 185.181.240.0/22 (1 024 addresses)
  • 188.241.72.0/22 (1 024 addresses)
  • 193.226.68.0/22 (1 024 addresses)
  • 37.156.182.0/23 (512 addresses)
  • 45.67.38.0/23 (512 addresses)
  • 45.82.28.0/23 (512 addresses)
  • 80.97.126.0/23 (512 addresses)
  • 81.180.144.0/23 (512 addresses)
  • 81.180.250.0/23 (512 addresses)
  • 85.120.28.0/23 (512 addresses)
  • 85.122.182.0/23 (512 addresses)
  • 87.237.110.0/23 (512 addresses)
  • 89.33.236.0/23 (512 addresses)
  • 89.39.6.0/23 (512 addresses)
  • 92.114.2.0/23 (512 addresses)
  • 93.113.58.0/23 (512 addresses)
  • 93.119.152.0/23 (512 addresses)
  • 109.205.88.0/23 (512 addresses)
  • 185.220.184.0/23 (512 addresses)
  • 188.211.236.0/23 (512 addresses)
  • 188.213.132.0/23 (512 addresses)
  • 193.200.62.0/23 (512 addresses)
  • 195.246.242.0/23 (512 addresses)
  • 217.156.46.0/23 (512 addresses)
  • 31.14.21.0/24 (256 addresses)
  • 45.14.236.0/24 (256 addresses)
  • 45.14.238.0/24 (256 addresses)
  • 45.67.36.0/24 (256 addresses)
  • 77.81.2.0/24 (256 addresses)
  • 80.97.48.0/24 (256 addresses)
  • 84.247.23.0/24 (256 addresses)
  • 84.247.28.0/24 (256 addresses)
  • 85.120.33.0/24 (256 addresses)
  • 85.120.61.0/24 (256 addresses)
  • 85.204.75.0/24 (256 addresses)
  • 85.204.108.0/24 (256 addresses)
  • 86.104.3.0/24 (256 addresses)

IPv6 Prefixes (5 total)

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