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
- Isp allocation +5
- Trust score 70 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
AS51935 — global IP footprint
Cities where AS51935 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 |
|---|---|---|---|---|---|---|
| 46.163.192.0/18 | 16.4K |
98.3%
|
BLC Telecom Oy | FI | South Karelia Region | Saimaanharju |
| 83.146.160.0/19 | 8.2K |
49.9%
|
BLC Telecom Oy | FI | Southern Savonia | Savonlinna |
| 62.220.240.0/21 | 2.0K |
99.4%
|
BLC Telecom Oy | FI | South Karelia Region | Imatra |
| 62.220.248.0/22 | 1.0K |
99.1%
|
BLC Telecom Oy | FI | North Savo | Varkaus |
| 185.192.24.0/22 | 1.0K |
99.8%
|
BLC Telecom Oy | FI | Southern Savonia | Savonlinna |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS51935 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 |
|---|---|---|
| 62.220.251.0/24 | 23,197 | 2026-09-15 18:58:51 |
| 83.146.160.0/23 | 21,803 | 2026-09-15 18:58:33 |
| 83.146.170.0/23 | 21,045 | 2026-09-15 18:58:43 |
| 83.146.164.0/23 | 21,041 | 2026-09-15 18:57:12 |
| 83.146.162.0/23 | 21,038 | 2026-09-15 18:57:12 |
| 83.146.172.0/23 | 21,032 | 2026-09-15 18:57:12 |
| 83.146.168.0/23 | 21,020 | 2026-09-15 18:57:12 |
| 83.146.166.0/23 | 21,016 | 2026-09-15 18:57:12 |
| 46.163.192.0/18 | 12,288 | 2026-09-15 18:01:24 |
| 62.220.248.0/22 | 12,280 | 2026-09-15 18:01:24 |
| 62.220.240.0/21 | 12,262 | 2026-09-15 18:01:24 |
| 83.146.160.0/19 | 12,248 | 2026-09-15 18:01:24 |
| 185.192.24.0/22 | 12,087 | 2026-09-15 18:01:24 |
Frequently Asked Questions
What is AS51935?
AS51935 is an Autonomous System Number assigned to BLC Telecom Oy. 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 AS51935 announce?
AS51935 announces 28.7K IPv4 addresses distributed across 5 routed CIDR prefixes. The network is registered in Finland.
Who operates AS51935?
AS51935 is operated by BLC Telecom Oy. The organization is based in Finland. You can view all IP ranges and related ASNs on the organization page.
What country is AS51935 registered in?
AS51935 is registered in Finland. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
