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 →
Network profile
Source: PeeringDB →AS13156 — global IP footprint
Cities where AS13156 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 |
|---|---|---|---|---|---|---|
| 84.90.0.0/15 | 131.1K |
99.5%
|
Nowo Communications, S.A. | PT | Setúbal | Barreiro |
| 217.129.0.0/16 | 65.5K |
98.1%
|
Nowo Communications, S.A. | PT | Setúbal | Almada |
| 213.228.128.0/18 | 16.4K |
99.6%
|
Nowo Communications, S.A. | PT | Faro | Portimão |
| 91.194.170.0/23 | 512 |
96.7%
|
Nowo Communications, S.A. | PT | Bragança | Vila Flor |
| 91.194.182.0/23 | 512 |
96.3%
|
Nowo Communications, S.A. | PT | Beja | Castro Verde Municipality |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS13156 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 |
|---|---|---|
| 84.90.65.0/24 | 38,477 | 2026-07-23 20:00:05 |
| 91.194.170.0/23 | 36,141 | 2026-07-23 19:59:33 |
| 84.91.200.0/24 | 35,711 | 2026-07-23 20:00:05 |
| 84.91.202.0/24 | 35,698 | 2026-07-23 20:00:05 |
| 84.91.201.0/24 | 35,523 | 2026-07-23 20:00:05 |
| 84.90.190.0/23 | 31,102 | 2026-07-23 20:00:05 |
| 217.129.88.0/22 | 31,026 | 2026-07-23 20:00:05 |
| 84.90.188.0/23 | 30,723 | 2026-07-23 20:00:05 |
| 84.91.192.0/22 | 30,627 | 2026-07-23 20:00:05 |
| 84.91.168.0/23 | 30,507 | 2026-07-23 20:00:05 |
| 84.91.24.0/22 | 26,742 | 2026-07-23 20:00:05 |
| 84.91.164.0/23 | 26,621 | 2026-07-23 20:00:05 |
| 84.90.198.0/24 | 20,282 | 2026-07-23 20:00:05 |
| 84.91.92.0/24 | 20,267 | 2026-07-23 20:00:05 |
| 84.91.242.0/24 | 20,144 | 2026-07-23 20:00:05 |
| 84.91.220.0/22 | 19,977 | 2026-07-23 20:00:05 |
| 84.91.216.0/22 | 19,970 | 2026-07-23 20:00:05 |
| 84.91.136.0/22 | 19,829 | 2026-07-23 20:00:05 |
| 217.129.84.0/22 | 19,808 | 2026-07-23 20:00:05 |
| 84.90.176.0/22 | 19,797 | 2026-07-23 20:00:05 |
| 84.90.196.0/23 | 19,785 | 2026-07-23 20:00:05 |
| 84.91.132.0/22 | 18,368 | 2026-07-23 20:00:05 |
| 217.129.80.0/22 | 18,353 | 2026-07-23 20:00:05 |
| 84.90.180.0/22 | 18,333 | 2026-07-23 20:00:05 |
| 84.90.80.0/21 | 18,313 | 2026-07-23 20:00:05 |
| 84.90.160.0/21 | 18,264 | 2026-07-23 20:00:05 |
| 84.90.64.0/24 | 18,175 | 2026-07-23 20:00:05 |
| 84.90.40.0/21 | 18,120 | 2026-07-23 20:00:05 |
| 84.90.24.0/21 | 18,071 | 2026-07-23 20:00:05 |
| 84.91.44.0/22 | 18,064 | 2026-07-23 20:00:05 |
| 84.90.148.0/22 | 17,938 | 2026-07-23 20:00:05 |
| 217.129.24.0/21 | 17,902 | 2026-07-23 20:00:05 |
| 217.129.92.0/22 | 17,896 | 2026-07-23 20:00:05 |
| 84.91.96.0/22 | 17,875 | 2026-07-23 20:00:05 |
| 84.90.156.0/22 | 17,858 | 2026-07-23 20:00:05 |
| 84.91.184.0/22 | 17,848 | 2026-07-23 20:04:56 |
| 84.90.236.0/22 | 17,841 | 2026-07-23 20:00:05 |
| 84.91.166.0/23 | 17,816 | 2026-07-23 20:00:05 |
| 84.91.116.0/22 | 17,805 | 2026-07-23 20:00:05 |
| 217.129.192.0/21 | 17,790 | 2026-07-23 20:00:05 |
| 84.91.64.0/21 | 17,787 | 2026-07-23 20:00:05 |
| 84.90.144.0/22 | 17,767 | 2026-07-23 20:00:05 |
| 84.91.4.0/22 | 17,757 | 2026-07-23 20:00:05 |
| 84.91.20.0/22 | 17,757 | 2026-07-23 20:00:05 |
| 84.91.156.0/22 | 17,743 | 2026-07-23 20:00:05 |
| 84.91.100.0/22 | 17,716 | 2026-07-23 20:00:05 |
| 84.91.252.0/22 | 17,707 | 2026-07-23 20:04:58 |
| 84.91.80.0/22 | 17,705 | 2026-07-23 20:00:05 |
| 84.91.148.0/22 | 17,687 | 2026-07-23 20:00:05 |
| 84.90.128.0/21 | 17,671 | 2026-07-23 20:04:58 |
Showing top 50 of 165 announced prefixes by sample volume.
Frequently Asked Questions
What is AS13156?
AS13156 is an Autonomous System Number assigned to Nowo Communications, S.A.. 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 AS13156 announce?
AS13156 announces 214.0K IPv4 addresses distributed across 5 routed CIDR prefixes. The network is registered in Portugal.
Who operates AS13156?
AS13156 is operated by Nowo Communications, S.A.. The organization is based in Portugal. You can view all IP ranges and related ASNs on the organization page.
What country is AS13156 registered in?
AS13156 is registered in Portugal. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
