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 v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
AS12651 — global IP footprint
Cities where AS12651 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 |
|---|---|---|---|---|---|---|
| 83.172.192.0/18 | 16.4K |
64.9%
|
IP worldcom SA | CH | Fribourg | Ursy |
| 212.74.128.0/18 | 16.4K |
44.5%
|
IP worldcom SA | CH | Vaud | Savigny |
| 83.172.192.0/19 | 8.2K |
0.0%
|
IP worldcom SA | CH | Fribourg | Ursy |
| 83.172.224.0/20 | 4.1K |
0.0%
|
IP worldcom SA | CH | Vaud | Préverenges |
| 83.172.248.0/21 | 2.0K |
0.0%
|
IP worldcom SA | CH | — | — |
| 83.172.244.0/22 | 1.0K |
0.0%
|
IP worldcom SA | CH | — | — |
| 83.172.242.0/23 | 512 |
0.0%
|
IP worldcom SA | CH | — | — |
| 83.172.241.0/24 | 256 |
0.0%
|
IP worldcom SA | CH | — | — |
| 83.172.240.0/25 | 128 |
0.0%
|
IP worldcom SA | CH | — | — |
| 83.172.240.192/26 | 64 |
0.0%
|
IP worldcom SA | CH | — | — |
| 83.172.240.160/27 | 32 |
0.0%
|
IP worldcom SA | CH | — | — |
| 83.172.240.128/28 | 16 |
0.0%
|
IP worldcom SA | CH | — | — |
| 83.172.240.144/29 | 8 |
0.0%
|
IP worldcom SA | CH | — | — |
| 83.172.240.156/30 | 4 |
0.0%
|
IP worldcom SA | CH | — | — |
| 83.172.240.152/31 | 2 |
0.0%
|
IP worldcom SA | CH | — | — |
| 83.172.240.154/31 | 2 |
0.0%
|
IP worldcom SA | DE | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS12651 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 |
|---|---|---|
| 212.74.128.0/18 | 5,843 | 2026-07-22 17:55:54 |
| 83.172.192.0/18 | 5,804 | 2026-07-22 17:55:54 |
Frequently Asked Questions
What is AS12651?
AS12651 is an Autonomous System Number assigned to IP worldcom SA. 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 AS12651 announce?
AS12651 announces 32.8K IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in Switzerland.
Who operates AS12651?
AS12651 is operated by IP worldcom SA. The organization is based in Switzerland. You can view all IP ranges and related ASNs on the organization page.
What country is AS12651 registered in?
AS12651 is registered in Switzerland. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
