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 v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 31.24.251.0/24 | 256 |
83.6%
|
BitWeb LLC | HK | — | — |
| 45.90.46.0/24 | 256 |
93.4%
|
BitWeb LLC | HK | — | — |
| 45.133.235.0/24 | 256 |
0.0%
|
BitWeb LLC | AE | — | — |
| 45.135.132.0/24 | 256 |
27.7%
|
BitWeb LLC | AE | — | — |
| 45.137.189.0/24 | 256 |
12.1%
|
BitWeb LLC | AE | — | — |
| 45.137.190.0/24 | 256 |
91.8%
|
BitWeb LLC | AE | — | — |
| 81.16.141.0/24 | 256 |
71.1%
|
BitWeb LLC | AE | — | — |
| 85.202.87.0/24 | 256 |
43.8%
|
BitWeb LLC | AE | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS57271 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 |
|---|---|---|
| 31.24.251.0/24 | 9,026 | 2026-07-24 14:45:32 |
| 45.137.190.0/24 | 8,459 | 2026-07-24 14:45:32 |
| 45.90.46.0/24 | 8,456 | 2026-07-24 14:45:32 |
| 45.135.132.0/24 | 8,450 | 2026-07-24 14:45:32 |
| 45.133.235.0/24 | 8,391 | 2026-07-24 14:45:32 |
| 81.16.141.0/24 | 7,861 | 2026-07-24 14:45:32 |
| 85.202.87.0/24 | 7,711 | 2026-07-24 14:45:32 |
| 91.236.120.0/24 | 6,407 | 2026-06-30 12:48:20 |
| 45.140.16.0/24 | 6,079 | 2026-06-29 09:06:07 |
| 45.137.189.0/24 | 5,370 | 2026-07-24 13:56:42 |
| 192.144.18.0/24 | 5,090 | 2026-06-23 09:37:56 |
Frequently Asked Questions
What is AS57271?
AS57271 is an Autonomous System Number assigned to BitWeb LLC. 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 AS57271 announce?
AS57271 announces 2.0K IPv4 addresses distributed across 8 routed CIDR prefixes. The network is registered in Russia.
Who operates AS57271?
AS57271 is operated by BitWeb LLC. The organization is based in Russia. You can view all IP ranges and related ASNs on the organization page.
What country is AS57271 registered in?
AS57271 is registered in Russia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
