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
- Multiple-origin (MOAS) routing anomaly −12
- Academic allocation +6
- Trust score 59 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
⚠ 16 MOAS prefixes — multiple origin ASNs detected
All MOAS anomalies →A previously stable prefix originated by AS24348 is now also announced by another ASN (MOAS — Multiple-Origin AS), detected from our RIPE RIS collectors. Often benign (anycast, multi-homing, or a recent transfer) — but it can signal a route leak or prefix hijack, so it's worth inspecting.
| Prefix | Origin ASNs | Last detected (UTC) |
|---|---|---|
| 202.112.50.0/24 | AS4538, AS24348 | 2026-07-22 09:08:20 |
| 183.173.0.0/16 | AS4538, AS24348 | 2026-07-22 09:08:20 |
| 59.66.0.0/16 | AS4538, AS24348 | 2026-07-22 09:08:20 |
| 202.112.56.0/24 | AS4538, AS24348 | 2026-07-22 09:08:20 |
| 58.207.0.0/16 | AS4538, AS24348 | 2026-07-22 09:08:20 |
| 202.112.47.0/24 | AS4538, AS24348 | 2026-07-22 09:08:20 |
| 202.112.49.0/24 | AS4538, AS24348 | 2026-07-22 09:08:20 |
| 183.172.0.0/16 | AS4538, AS24348 | 2026-07-22 09:08:20 |
| 101.5.0.0/16 | AS4538, AS24348 | 2026-07-22 09:08:20 |
| 202.112.57.0/24 | AS4538, AS24348 | 2026-07-22 09:08:20 |
| 202.205.16.0/20 | AS4538, AS24348 | 2026-07-22 09:08:20 |
| 202.112.51.0/24 | AS4538, AS24348 | 2026-07-22 09:08:20 |
| 183.172.0.0/15 | AS4538, AS24348 | 2026-07-22 09:08:20 |
| 101.6.0.0/16 | AS4538, AS24348 | 2026-07-22 09:08:20 |
| 202.112.55.0/24 | AS4538, AS24348 | 2026-07-21 04:53:08 |
Showing the 15 most recently detected of 16 MOAS prefixes. Many multi-origin prefixes on large networks are benign (anycast); see all MOAS anomalies.
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 202.38.109.0/24 | 256 |
1.2%
|
CERNET2 IX at Tsinghua University | CN | — | — |
| 202.112.4.0/24 | 256 |
0.4%
|
CERNET2 IX at Tsinghua University | CN | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS24348 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 |
|---|---|---|
| 101.5.128.0/21 | 1,068 | 2026-07-10 20:16:36 |
| 202.112.49.0/24 | 655 | 2026-07-21 09:11:39 |
| 202.112.4.0/24 | 655 | 2026-07-21 09:11:39 |
| 202.38.109.0/24 | 645 | 2026-07-21 09:11:06 |
| 202.112.50.0/24 | 643 | 2026-07-21 09:11:06 |
| 202.112.55.0/24 | 643 | 2026-07-21 09:11:06 |
| 202.112.43.0/24 | 643 | 2026-07-21 09:11:06 |
| 202.112.56.0/24 | 643 | 2026-07-21 09:11:06 |
| 202.112.47.0/24 | 643 | 2026-07-21 09:11:06 |
| 202.112.57.0/24 | 643 | 2026-07-21 09:11:06 |
| 202.112.51.0/24 | 643 | 2026-07-21 09:11:06 |
| 202.205.16.0/20 | 639 | 2026-07-21 09:11:06 |
| 202.38.112.0/24 | 603 | 2026-07-14 02:26:32 |
| 183.173.0.0/16 | 555 | 2026-07-21 09:11:06 |
| 183.172.0.0/16 | 555 | 2026-07-21 09:11:06 |
| 183.172.0.0/15 | 555 | 2026-07-21 09:11:06 |
| 101.5.0.0/16 | 513 | 2026-07-21 09:16:21 |
| 101.6.0.0/16 | 513 | 2026-07-21 09:16:21 |
| 59.66.0.0/16 | 509 | 2026-07-21 09:16:21 |
| 58.207.0.0/16 | 449 | 2026-07-21 09:16:21 |
| 202.112.61.0/24 | 434 | 2026-07-21 09:11:06 |
| 219.224.97.0/24 | 4 | 2026-07-10 20:16:35 |
Frequently Asked Questions
What is AS24348?
AS24348 is an Autonomous System Number assigned to CERNET2 IX at Tsinghua University. 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 AS24348 announce?
AS24348 announces 512 IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in China.
Who operates AS24348?
AS24348 is operated by CERNET2 IX at Tsinghua University. The organization is based in China. You can view all IP ranges and related ASNs on the organization page.
What country is AS24348 registered in?
AS24348 is registered in China. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
