AS31673
Uniserver Internet B.V.
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 →Present at 3 internet exchanges: AMS-IX, NL-ix 2, NL-ix: Main
Top CIDR ranges
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS31673 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 |
|---|---|---|
| 5.39.168.0/21 | 19,794 | 2026-10-27 21:57:31 |
| 84.38.224.0/20 | 19,513 | 2026-10-27 21:57:31 |
| 31.171.200.0/21 | 19,430 | 2026-10-27 21:57:31 |
| 185.121.92.0/23 | 19,254 | 2026-10-27 21:57:31 |
| 81.26.208.0/20 | 19,179 | 2026-10-27 21:57:31 |
| 81.93.48.0/20 | 19,175 | 2026-10-27 21:57:31 |
| 185.121.94.0/24 | 19,032 | 2026-10-27 21:57:31 |
| 87.237.96.0/21 | 18,916 | 2026-10-27 21:57:31 |
| 185.139.148.0/22 | 18,900 | 2026-10-27 21:57:31 |
| 85.255.208.0/20 | 18,875 | 2026-10-27 21:57:31 |
| 80.247.160.0/20 | 18,857 | 2026-10-27 21:57:31 |
| 62.148.160.0/19 | 18,817 | 2026-10-27 21:57:31 |
| 94.126.64.0/21 | 18,779 | 2026-10-27 21:57:31 |
| 83.143.184.0/21 | 18,701 | 2026-10-27 21:57:31 |
| 185.226.136.0/23 | 18,686 | 2026-10-27 21:57:31 |
| 178.248.152.0/21 | 18,558 | 2026-10-27 21:57:31 |
| 185.111.120.0/22 | 18,554 | 2026-10-27 21:57:31 |
| 185.87.152.0/22 | 18,534 | 2026-10-27 21:57:31 |
| 185.181.84.0/22 | 18,507 | 2026-10-27 21:57:31 |
| 193.239.88.0/22 | 18,488 | 2026-10-27 21:57:31 |
| 185.168.86.0/23 | 18,488 | 2026-10-27 21:57:31 |
| 185.168.85.0/24 | 18,473 | 2026-10-27 21:57:31 |
| 185.62.208.0/22 | 18,471 | 2026-10-27 21:57:34 |
| 185.2.24.0/22 | 18,433 | 2026-10-27 21:57:31 |
| 185.52.212.0/22 | 18,419 | 2026-10-27 21:57:31 |
| 193.30.6.0/23 | 18,399 | 2026-10-27 21:57:31 |
| 195.69.72.0/22 | 18,374 | 2026-10-27 21:57:31 |
| 185.185.164.0/22 | 18,353 | 2026-10-27 21:57:31 |
| 84.38.239.0/24 | 17,178 | 2026-09-25 17:04:57 |
| 195.69.74.0/24 | 16,123 | 2026-09-14 13:47:40 |
| 83.136.19.0/24 | 14,300 | 2026-10-27 21:57:31 |
| 83.136.17.0/24 | 14,100 | 2026-10-27 21:57:31 |
| 83.136.18.0/24 | 14,068 | 2026-10-27 21:57:31 |
| 193.36.186.0/24 | 13,589 | 2026-10-27 21:57:31 |
| 185.88.188.0/22 | 12,542 | 2026-10-27 21:57:31 |
| 194.56.84.0/22 | 12,148 | 2026-10-27 21:57:31 |
| 185.89.18.0/23 | 10,640 | 2026-09-11 08:02:57 |
| 83.143.185.0/24 | 7,586 | 2026-07-06 10:58:46 |
| 185.226.136.0/24 | 5,177 | 2026-10-06 14:08:19 |
| 185.139.148.0/24 | 5,048 | 2026-08-07 14:30:19 |
| 84.38.238.0/24 | 3,048 | 2026-06-10 12:57:31 |
| 81.26.219.0/24 | 2,931 | 2026-07-27 06:25:17 |
| 31.171.206.0/24 | 2,606 | 2026-07-08 19:18:04 |
| 5.39.173.0/24 | 2,510 | 2026-07-06 14:57:55 |
| 85.255.212.0/24 | 2,470 | 2026-07-13 06:46:18 |
| 185.210.24.0/22 | 1,947 | 2026-06-24 17:20:51 |
| 5.39.174.0/24 | 37 | 2026-05-20 00:06:29 |
Frequently Asked Questions
What is AS31673?
AS31673 is an Autonomous System Number assigned to Uniserver Internet B.V.. 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 AS31673 announce?
AS31673 announces 56.6K IPv4 addresses distributed across 35 routed CIDR prefixes. The network is registered in The Netherlands.
Who operates AS31673?
AS31673 is operated by Uniserver Internet B.V.. The organization is based in The Netherlands. You can view all IP ranges and related ASNs on the organization page.
What country is AS31673 registered in?
AS31673 is registered in The Netherlands. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
