AS211843 TIANKAI-AS Nanjing Tiankai Information Technology Co.Ltd.
🇨🇳Org handle: ORG-NTIT2-RIPE
RIPE NCCallocated
Announced Prefixes (BGP)
6total
2 IPv44 IPv6
IPv4 Addresses
Allocated (RIR)256
Announced (BGP)512
IPv6 Addresses
Allocated (RIR)6×10²⁴
Announced (BGP)6×10²⁴
Routing hygiene
Score 15/100 · Low riskRPKI ROA coverage
83.3%
no RPKI invalid prefixes
IRR route objects
100%
no origin mismatches
Hijack signals
0
0 announced against others' ROAs, 0 own announced by others
Upstreams
1
diversity 0/100
- Only one upstream seen in the AS paths of its routes
- 17% of announced prefixes (1 of 6) have no valid ROA
Based on 6 announced prefixes, updated daily (2026-10-23). How the score works · RPKI explained
Announced Prefixes
(BGP)6|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | APNIC | 2026-10-24 | |
| Valid | APNIC | 2026-10-24 | |
| Valid | APNICOther IRR | 2026-10-24 | |
| Valid | RIPE | 2026-10-24 | |
| Valid | Other IRRRIPE | 2026-10-24 | |
| No ROA | Other IRRRIPE | 2026-10-24 |
Allocated Prefixes
(RIR)5Prefix | Country | RIR | Status |
|---|---|---|---|
| 103.180.108.0/24 | 🇯🇵 JP | APNIC | assigned |
| 2406:840:e666::/47 | 🇸🇬 SG | APNIC | assigned |
| 2a06:a005:a13::/48 | 🇹🇼 TW | RIPE | assigned |
| 2a0e:aa07:e01b::/48 | 🇯🇵 JP | RIPE | assigned |
| 2a0e:b107:12b::/48 | 🇺🇸 US | RIPE | assigned |
All 6 announced prefixes of AS211843 →
BGP Neighbours
(seen in AS paths)Upstreams (1)
Networks AS211843 hands its own prefixes to: transit providers, or peers at an exchange.
- AS20473The Constant Company6
ASPA
No ASPA
Abuse Contact
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 AS211843 should publish an ASPA object
- IPv4 transfers in the RIPE NCC 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/211843Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/211843" | jq