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 →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 146.0.48.0/21 | 2.0K |
0.1%
|
Hibernia Services Limited | IE | — | — |
| 146.0.48.0/22 | 1.0K |
0.0%
|
Hibernia Services Limited | IE | — | — |
| 185.5.240.0/22 | 1.0K |
2.2%
|
Hibernia Services Limited | IE | — | — |
| 91.220.45.0/24 | 256 |
6.3%
|
Hibernia Services Limited | IE | — | — |
| 146.0.53.0/24 | 256 |
0.0%
|
Hibernia Services Limited | IE | — | — |
| 146.0.54.0/24 | 256 |
0.0%
|
Hibernia Services Limited | GB | — | — |
| 146.0.55.0/24 | 256 |
0.0%
|
Hibernia Services Limited | IE | — | — |
| 146.0.52.128/25 | 128 |
0.0%
|
Hibernia Services Limited | IE | — | — |
| 146.0.52.64/26 | 64 |
0.0%
|
Hibernia Services Limited | IE | — | — |
| 146.0.52.32/27 | 32 |
0.0%
|
Hibernia Services Limited | GB | — | — |
| 146.0.52.8/29 | 8 |
0.0%
|
Hibernia Services Limited | IE | — | — |
| 146.0.52.16/29 | 8 |
0.0%
|
Hibernia Services Limited | GB | — | — |
| 146.0.52.0/30 | 4 |
0.0%
|
Hibernia Services Limited | GB | — | — |
| 146.0.52.4/30 | 4 |
0.0%
|
Hibernia Services Limited | IE | — | — |
| 146.0.52.24/30 | 4 |
0.0%
|
Hibernia Services Limited | IE | — | — |
| 146.0.52.28/30 | 4 |
0.0%
|
Hibernia Services Limited | GB | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS51677 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 |
|---|---|---|
| 146.0.48.0/24 | 18,957 | 2026-08-02 03:41:35 |
| 185.5.241.0/24 | 15,779 | 2026-08-02 03:41:35 |
| 185.5.242.0/24 | 9,979 | 2026-08-02 03:41:24 |
| 185.5.240.0/24 | 9,960 | 2026-08-02 03:41:24 |
| 146.0.55.0/24 | 8,874 | 2026-08-02 03:41:24 |
| 146.0.50.0/24 | 7,141 | 2026-08-02 02:32:41 |
| 146.0.51.0/24 | 7,088 | 2026-08-02 02:32:35 |
| 91.220.45.0/24 | 6,269 | 2026-08-02 03:41:23 |
| 146.0.54.0/24 | 6,202 | 2026-08-02 03:41:24 |
| 146.0.52.0/24 | 6,116 | 2026-08-02 03:41:25 |
| 146.0.49.0/24 | 5,972 | 2026-08-02 02:28:20 |
| 185.5.243.0/24 | 5,963 | 2026-08-02 02:28:20 |
| 146.0.53.0/24 | 4,765 | 2026-08-02 02:32:41 |
Frequently Asked Questions
What is AS51677?
AS51677 is an Autonomous System Number assigned to Hibernia Services 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 AS51677 announce?
AS51677 announces 3.3K IPv4 addresses distributed across 3 routed CIDR prefixes. The network is registered in Ireland.
Who operates AS51677?
AS51677 is operated by Hibernia Services Limited. The organization is based in Ireland. You can view all IP ranges and related ASNs on the organization page.
What country is AS51677 registered in?
AS51677 is registered in Ireland. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
