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 v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 129.45.0.0/17 | 32.8K |
1.5%
|
Optimum-Telecom-Algeria | DZ | Chlef | Chlef |
| 41.200.0.0/18 | 16.4K |
0.0%
|
Optimum-Telecom-Algeria | DZ | Constantine | Constantine |
| 41.220.144.0/20 | 4.1K |
1.1%
|
Optimum-Telecom-Algeria | DZ | Medea | Medea |
| 196.29.40.0/22 | 1.0K |
0.0%
|
Optimum-Telecom-Algeria | DZ | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS327931 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 |
|---|---|---|
| 41.220.157.0/24 | 115,332 | 2026-11-14 10:24:12 |
| 41.220.146.0/24 | 103,654 | 2026-11-14 10:23:59 |
| 41.220.148.0/24 | 103,592 | 2026-11-14 10:23:59 |
| 41.220.159.0/24 | 103,317 | 2026-11-14 10:23:59 |
| 41.220.154.0/24 | 103,279 | 2026-11-14 10:24:05 |
| 41.200.3.0/24 | 100,028 | 2026-11-14 10:23:59 |
| 41.200.2.0/24 | 99,379 | 2026-11-14 10:23:59 |
| 41.200.1.0/24 | 99,354 | 2026-11-14 10:23:59 |
| 129.45.60.0/24 | 94,272 | 2026-11-14 10:23:59 |
| 129.45.58.0/24 | 94,055 | 2026-11-14 10:23:59 |
| 129.45.62.0/24 | 94,007 | 2026-11-14 10:23:59 |
| 129.45.65.0/24 | 93,986 | 2026-11-14 10:23:59 |
| 129.45.66.0/24 | 93,979 | 2026-11-14 10:23:59 |
| 129.45.67.0/24 | 93,975 | 2026-11-14 10:23:59 |
| 129.45.56.0/24 | 93,973 | 2026-11-14 10:23:59 |
| 129.45.57.0/24 | 93,955 | 2026-11-14 10:23:59 |
| 129.45.59.0/24 | 93,946 | 2026-11-14 10:23:59 |
| 129.45.64.0/24 | 93,945 | 2026-11-14 10:23:59 |
| 129.45.61.0/24 | 93,873 | 2026-11-14 10:23:59 |
| 129.45.63.0/24 | 93,781 | 2026-11-14 10:23:59 |
| 129.45.112.0/24 | 93,154 | 2026-11-14 10:40:32 |
| 129.45.79.0/24 | 93,147 | 2026-11-14 10:40:36 |
| 129.45.85.0/24 | 93,147 | 2026-11-14 10:24:08 |
| 129.45.84.0/24 | 93,028 | 2026-11-14 10:24:08 |
| 129.45.75.0/24 | 92,887 | 2026-11-14 10:23:59 |
| 129.45.72.0/24 | 92,811 | 2026-11-14 10:23:59 |
| 129.45.68.0/24 | 92,783 | 2026-11-14 10:23:59 |
| 129.45.69.0/24 | 92,727 | 2026-11-14 10:23:59 |
| 129.45.70.0/24 | 92,726 | 2026-11-14 10:23:59 |
| 129.45.21.0/24 | 92,723 | 2026-11-14 10:23:59 |
| 129.45.74.0/24 | 92,677 | 2026-11-14 10:23:59 |
| 129.45.76.0/24 | 92,656 | 2026-11-14 10:23:59 |
| 129.45.73.0/24 | 92,626 | 2026-11-14 10:23:59 |
| 129.45.23.0/24 | 92,621 | 2026-11-14 10:23:59 |
| 129.45.71.0/24 | 92,613 | 2026-11-14 10:23:59 |
| 129.45.22.0/24 | 92,577 | 2026-11-14 10:23:59 |
| 129.45.27.0/24 | 92,574 | 2026-11-14 10:23:59 |
| 129.45.77.0/24 | 92,571 | 2026-11-14 10:23:59 |
| 129.45.39.0/24 | 81,409 | 2026-11-14 10:23:59 |
| 41.220.145.0/24 | 59,919 | 2026-11-14 10:43:17 |
| 41.220.158.0/24 | 59,611 | 2026-11-14 10:43:17 |
| 129.45.109.0/24 | 54,002 | 2026-11-14 10:43:18 |
| 129.45.113.0/24 | 53,995 | 2026-11-14 10:43:18 |
| 129.45.104.0/24 | 53,991 | 2026-11-14 10:43:18 |
| 129.45.108.0/24 | 53,970 | 2026-11-14 10:43:18 |
| 129.45.105.0/24 | 53,951 | 2026-11-14 10:43:18 |
| 129.45.107.0/24 | 53,906 | 2026-11-14 10:43:18 |
| 129.45.102.0/24 | 53,883 | 2026-11-14 10:43:18 |
| 129.45.106.0/24 | 53,882 | 2026-11-14 10:43:18 |
| 129.45.101.0/24 | 53,851 | 2026-11-14 10:43:18 |
Showing top 50 of 199 announced prefixes by sample volume.
Frequently Asked Questions
What is AS327931?
AS327931 is an Autonomous System Number assigned to Optimum Telecom Algeria. 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 AS327931 announce?
AS327931 announces 54.3K IPv4 addresses distributed across 4 routed CIDR prefixes. The network is registered in Algeria.
Who operates AS327931?
AS327931 is operated by Optimum-Telecom-Algeria. The organization is based in Algeria. You can view all IP ranges and related ASNs on the organization page.
What country is AS327931 registered in?
AS327931 is registered in Algeria. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
