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 3 internet exchanges: INEX LAN1: INEX LAN1, INEX LAN2, INEX Cork: Peering LAN
AS16171 — global IP footprint
Cities where AS16171 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 77.107.192.0/18 | 16.4K |
4.2%
|
Fulnett Limited | IE | Munster | Cork |
| 217.75.0.0/20 | 4.1K |
15.7%
|
Fulnett Limited | IE | Leinster | Dublin |
| 31.216.232.0/21 | 2.0K |
0.0%
|
Fulnett Limited | IE | Leinster | Dublin |
| 88.151.0.0/21 | 2.0K |
0.1%
|
Fulnett Limited | IE | — | — |
| 185.144.124.0/22 | 1.0K |
0.0%
|
Fulnett Limited | IE | — | — |
| 185.146.184.0/22 | 1.0K |
0.0%
|
Fulnett Limited | IE | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS16171 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 |
|---|---|---|
| 77.107.224.0/19 | 12,435 | 2026-07-24 05:23:04 |
| 77.107.192.0/19 | 11,165 | 2026-07-24 05:23:04 |
| 77.107.192.0/18 | 10,765 | 2026-07-24 05:22:00 |
| 88.151.0.0/21 | 10,754 | 2026-07-24 05:22:00 |
| 217.75.0.0/20 | 10,698 | 2026-07-24 05:22:00 |
| 31.216.232.0/21 | 8,766 | 2026-07-24 05:22:00 |
| 185.146.184.0/22 | 8,679 | 2026-07-24 05:22:00 |
| 185.144.124.0/22 | 5,323 | 2026-07-24 04:48:55 |
| 217.75.8.0/21 | 4,241 | 2026-07-24 05:23:04 |
| 185.144.124.0/23 | 340 | 2026-07-09 02:20:39 |
| 185.144.126.0/23 | 340 | 2026-07-09 02:20:39 |
Frequently Asked Questions
What is AS16171?
AS16171 is an Autonomous System Number assigned to Fulnett Limited. 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 AS16171 announce?
AS16171 announces 26.6K IPv4 addresses distributed across 6 routed CIDR prefixes. The network is registered in Ireland.
Who operates AS16171?
AS16171 is operated by Fulnett Limited. The organization is based in Ireland. You can view all IP ranges and related ASNs on the organization page.
What country is AS16171 registered in?
AS16171 is registered in Ireland. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
