Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Trust score 65 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Present at 21 internet exchanges: MegaIX Dusseldorf, France-IX Paris, MegaIX Frankfurt, AMS-IX, Any2West, DE-CIX Frankfurt: DE-CIX Frankfurt Peering LAN, LINX LON1: Main, MIX-IT, Namex Rome: VLAN Peering, NYIIX New York, …
AS51185 — global IP footprint
Cities where AS51185 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.
Top CIDR ranges
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS51185 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 45.157.66.0/24 | 78,381 | 2026-08-01 03:49:52 |
| 178.248.52.0/24 | 68,421 | 2026-08-01 03:54:21 |
| 178.248.54.0/24 | 61,374 | 2026-08-01 03:43:07 |
| 178.248.53.0/24 | 60,285 | 2026-08-01 03:43:07 |
| 94.124.67.0/24 | 38,641 | 2026-08-01 03:42:07 |
| 45.157.67.0/24 | 38,343 | 2026-08-01 03:49:52 |
| 94.124.65.0/24 | 38,132 | 2026-08-01 03:42:07 |
| 94.124.71.0/24 | 37,387 | 2026-08-01 03:42:07 |
| 94.124.69.0/24 | 37,340 | 2026-08-01 03:42:07 |
| 94.124.68.0/24 | 37,319 | 2026-08-01 03:42:07 |
| 94.124.70.0/24 | 36,983 | 2026-08-01 03:42:07 |
| 45.157.65.0/24 | 34,391 | 2026-08-01 03:49:52 |
| 94.124.64.0/24 | 32,281 | 2026-08-01 02:59:35 |
| 178.248.48.0/24 | 29,244 | 2026-08-01 03:42:07 |
| 178.248.51.0/24 | 28,096 | 2026-08-01 03:42:07 |
| 178.248.50.0/24 | 25,250 | 2026-08-01 03:43:07 |
| 45.157.64.0/24 | 22,571 | 2026-08-01 03:49:52 |
| 185.187.159.0/24 | 20,588 | 2026-08-01 03:43:07 |
| 185.187.156.0/24 | 13,932 | 2026-08-01 03:43:07 |
| 178.248.49.0/24 | 12,752 | 2026-08-01 02:45:33 |
| 185.45.208.0/24 | 9,446 | 2026-08-01 02:50:54 |
| 185.45.211.0/24 | 8,549 | 2026-08-01 02:45:36 |
| 185.187.157.0/24 | 7,578 | 2026-08-01 03:49:45 |
| 185.187.158.0/24 | 4,426 | 2026-08-01 02:45:31 |
Frequently Asked Questions
What is AS51185?
AS51185 is an Autonomous System Number assigned to MainStreaming SpA. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).
How many IP addresses does AS51185 announce?
AS51185 announces 6.1K IPv4 addresses distributed across 10 routed CIDR prefixes. The network is registered in Italy.
Who operates AS51185?
AS51185 is operated by MainStreaming SpA. The organization is based in Italy. You can view all IP ranges and related ASNs on the organization page.
What country is AS51185 registered in?
AS51185 is registered in Italy. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
