AS45083
China UNICOM, Beijing Branch
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 →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 1.45.0.0/16 | 65.5K |
0.0%
|
China UNICOM, Beijing Branch | CN | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS45083 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 |
|---|---|---|
| 1.45.196.0/22 | 22,814 | 2026-09-13 22:16:36 |
| 1.45.60.0/22 | 21,610 | 2026-09-13 22:16:36 |
| 1.45.92.0/22 | 21,550 | 2026-09-13 22:16:36 |
| 1.45.56.0/22 | 21,537 | 2026-09-13 22:16:36 |
| 1.45.28.0/22 | 21,536 | 2026-09-13 22:16:36 |
| 1.45.24.0/22 | 21,519 | 2026-09-13 22:16:36 |
| 1.45.16.0/22 | 21,485 | 2026-09-13 22:16:36 |
| 1.45.188.0/22 | 21,475 | 2026-09-13 22:16:36 |
| 1.45.156.0/22 | 21,470 | 2026-09-13 22:16:36 |
| 1.45.124.0/22 | 21,450 | 2026-09-13 22:16:36 |
| 1.45.88.0/22 | 21,448 | 2026-09-13 22:16:36 |
| 1.45.152.0/22 | 21,435 | 2026-09-13 22:16:36 |
| 1.45.36.0/22 | 21,433 | 2026-09-13 22:16:36 |
| 1.45.120.0/22 | 21,429 | 2026-09-13 22:16:36 |
| 1.45.200.0/22 | 21,426 | 2026-09-13 22:16:36 |
| 1.45.68.0/22 | 21,423 | 2026-09-13 22:16:36 |
| 1.45.80.0/22 | 21,418 | 2026-09-13 22:16:36 |
| 1.45.48.0/22 | 21,387 | 2026-09-13 22:16:36 |
| 1.45.180.0/22 | 21,387 | 2026-09-13 22:16:36 |
| 1.45.132.0/22 | 21,386 | 2026-09-13 22:16:36 |
| 1.45.176.0/22 | 21,386 | 2026-09-13 22:16:36 |
| 1.45.112.0/22 | 21,381 | 2026-09-13 22:16:36 |
| 1.45.164.0/22 | 21,371 | 2026-09-13 22:16:36 |
| 1.45.100.0/22 | 21,368 | 2026-09-13 22:16:36 |
| 1.45.208.0/22 | 21,365 | 2026-09-13 22:16:36 |
| 1.45.144.0/22 | 21,359 | 2026-09-13 22:16:36 |
| 1.45.128.0/22 | 19,995 | 2026-09-13 22:16:36 |
| 1.45.128.0/17 | 19,981 | 2026-09-13 22:16:36 |
| 1.45.64.0/22 | 19,977 | 2026-09-13 22:16:36 |
| 1.45.40.0/22 | 19,966 | 2026-09-13 22:16:36 |
| 1.45.84.0/22 | 19,949 | 2026-09-13 22:16:36 |
| 1.45.72.0/22 | 19,937 | 2026-09-13 22:16:36 |
| 1.45.192.0/22 | 19,937 | 2026-09-13 22:16:36 |
| 1.45.0.0/16 | 19,935 | 2026-09-13 22:16:36 |
| 1.45.20.0/22 | 19,931 | 2026-09-13 22:16:36 |
| 1.45.76.0/22 | 19,928 | 2026-09-13 22:16:36 |
| 1.45.52.0/22 | 19,924 | 2026-09-13 22:16:36 |
| 1.45.44.0/22 | 19,923 | 2026-09-13 22:16:36 |
| 1.45.32.0/22 | 19,905 | 2026-09-13 22:16:36 |
| 1.45.116.0/22 | 19,894 | 2026-09-13 22:16:36 |
| 1.45.108.0/22 | 19,890 | 2026-09-13 22:16:36 |
| 1.45.96.0/22 | 19,884 | 2026-09-13 22:16:36 |
| 1.45.136.0/22 | 19,878 | 2026-09-13 22:16:36 |
| 1.45.184.0/22 | 19,876 | 2026-09-13 22:16:36 |
| 1.45.148.0/22 | 19,872 | 2026-09-13 22:16:36 |
| 1.45.104.0/22 | 19,871 | 2026-09-13 22:16:36 |
| 1.45.140.0/22 | 19,870 | 2026-09-13 22:16:36 |
| 1.45.172.0/22 | 19,867 | 2026-09-13 22:16:36 |
| 1.45.168.0/22 | 19,850 | 2026-09-13 22:16:36 |
| 1.45.204.0/22 | 19,848 | 2026-09-13 22:16:36 |
Showing top 50 of 52 announced prefixes by sample volume.
Frequently Asked Questions
What is AS45083?
AS45083 is an Autonomous System Number assigned to China UNICOM, Beijing Branch. 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 AS45083 announce?
AS45083 announces 65.5K IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in China.
Who operates AS45083?
AS45083 is operated by China UNICOM, Beijing Branch. The organization is based in China. You can view all IP ranges and related ASNs on the organization page.
What country is AS45083 registered in?
AS45083 is registered in China. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
