$ query “AS5398” --type=asn → 1 result(s)

AS5398 · INTERNETONE

Internet one SRL

AS5398 is operated by Internet one SRL and serves as a mid-size transit provider, based in Italy. The system announces a respectable 19 712 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in Italy, with additional presence in Switzerland.

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

Basic Information

Country
🇮🇹 Italy
Category
Hosting
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Last Changed
March 04, 2026
Last Seen
April 30, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
12 / 10
IPv6 Prefixes (raw / aggregated)
2 / 2
IPv4 Addresses
19 712
Largest IPv4 Prefix
/19 (8 192 addresses)
Largest IPv6 Prefix
/29
Geolocated Countries
🇮🇹 Italy (25 600 IPs), 🇨🇭 Switzerland (12 288 IPs)
Prefix Changed
April 22, 2026

Reputation

Reputation
Good — 1 flagged IPs out of 19 712 total (0.01%)

Connectivity Summary

Upstream Providers
5 upstreams providing transit
Peers
169 networks exchanging traffic without transit
Downstream Customers
12 downstreams buying transit
Unclassified
2 unclassified BGP neighbors
Degree
188 unique BGP neighbors
Reach
18 networks in customer cone

Upstream Providers (5)

  • AS174 — COGENT-174 (Tier-1 transit)
  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS9002 — RETN-AS
  • AS2914 — NTT-DATA-2914 (Tier-1 transit)
  • AS57304 — RETNRU-AS

Prefix Lists

IPv4 Prefixes (12 total)

  • 77.220.64.0/19 (8 192 addresses (/19 prefix))
  • 31.44.32.0/20 (4 096 addresses (/20 prefix))
  • 217.18.0.0/20 (4 096 addresses (/20 prefix))
  • 185.155.176.0/22 (1 024 addresses (/22 prefix))
  • 185.155.184.0/23 (512 addresses (/23 prefix))
  • 193.221.216.0/23 (512 addresses (/23 prefix))
  • 193.222.104.0/23 (512 addresses (/23 prefix))
  • 45.143.158.0/24 (256 addresses (/24 prefix))
  • 46.21.22.0/24 (256 addresses (/24 prefix))
  • 46.21.29.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (2 total)

  • 2a0f:e880::/29
  • 2001:67c:19e0::/48