AS24348 CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua University
๐จ๐ณOrg handle: A91E5D61
CERNET2 IX at Tsinghua University
APNICallocated
Announced Prefixes (BGP)
274total
170 IPv4104 IPv6
IPv4 Addresses
Allocated (RIR)0
Announced (BGP)1.6M
IPv6 Addresses
Allocated (RIR)7.9ร10ยฒโธ
Announced (BGP)4.7ร10ยฒโน
Prefix Limit (IPv4)
500
Prefix Limit (IPv6)
500
Country
๐จ๐ณ CNRIR
APNICStatus
allocated
Allocated
2005-03-03
Routing hygiene
Score 55/100 ยท High riskRPKI ROA coverage
12.8%
41 prefixes RPKI invalid
IRR route objects
0%
272 prefixes registered for another origin
Hijack signals
1
0 announced against others' ROAs, 1 own announced by others
Upstreams
2
diversity 21/100
- 87% of announced prefixes (238 of 273) have no valid ROA, 41 of them RPKI invalid
- 100% of announced prefixes (273 of 273) have no IRR route object for this ASN
- Routes concentrated on one upstream (88% of routes)
Based on 273 announced prefixes, updated daily (2026-10-25). How the score works ยท RPKI explained
Announced Prefixes
(BGP)274|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
1.51.3.0/24MOAS | Invalid | - | 2026-10-26 |
42.247.18.0/24MOAS | Invalid | - | 2026-10-26 |
58.200.2.0/24MOAS | Invalid | - | 2026-10-26 |
58.200.93.0/24MOAS | Invalid | - | 2026-10-26 |
58.200.253.0/24MOAS | Invalid | - | 2026-10-26 |
58.206.192.0/18MOAS | No ROA | - | 2026-10-26 |
58.207.0.0/16MOAS | No ROA | - | 2026-10-26 |
58.207.0.0/17MOAS | No ROA | - | 2026-10-26 |
58.207.8.0/21MOAS | No ROA | - | 2026-10-26 |
58.207.16.0/20MOAS | No ROA | - | 2026-10-26 |
1-10 of 274
1 / 28
Allocated Prefixes
(RIR)1Prefix | Country | RIR | Status |
|---|---|---|---|
| 2403:3140::/32 | ๐จ๐ณ CN | APNIC | allocated |
All 274 announced prefixes of AS24348 โ
BGP Neighbours
(seen in AS paths)Upstreams (2)
Networks AS24348 hands its own prefixes to: transit providers, or peers at an exchange.
ASPA
No ASPA
Abuse Contact
+86-10-62784301
External Links
Learn more
- What is an ASN?Autonomous systems, ASN ranges and how they are assigned
- RPKI and route origin validationWhat the RPKI badges on the prefix list mean
- ASPA explainedWhy AS24348 should publish an ASPA object
- IPv4 transfers in the APNIC regionMonthly volume and the latest registry transfers
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/24348Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/24348" | jq