AS23855 SINGAREN-GIX-AS-AP - Singapore Advanced Research and Education Network
🇸🇬Org handle: ORG-SA8-AP
Singapore Advanced Research and Education Network
APNICallocated
Announced Prefixes (BGP)
3total
2 IPv41 IPv6
IPv4 Addresses
Allocated (RIR)0
Announced (BGP)512
IPv6 Addresses
Allocated (RIR)1.2×10²⁴
Announced (BGP)1.2×10²⁴
Routing hygiene
Score 10/100 · Low riskRPKI ROA coverage
100%
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
Based on 3 announced prefixes, updated daily (2026-10-25). How the score works · RPKI explained
Announced Prefixes
(BGP)3|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | APNIC | 2026-10-26 | |
| Valid | APNIC | 2026-10-26 | |
| Valid | APNIC | 2026-10-26 |
Allocated Prefixes
(RIR)1Prefix | Country | RIR | Status |
|---|---|---|---|
| 2001:df0:21a::/48 | 🇸🇬 SG | APNIC | assigned |
All 3 announced prefixes of AS23855 →
BGP Neighbours
(seen in AS paths)Upstreams (1)
Networks AS23855 hands its own prefixes to: transit providers, or peers at an exchange.
- AS4637Telstra Global3
Downstreams (7)
Networks whose own prefixes AS23855 passes on: usually its customers.
Other adjacent networks (9)
Adjacent to AS23855 in the transit part of AS paths: peers, providers or customers.
- AS7660Asia Pacific Advanced Network Japan929
- AS293ESnet716
- AS38229Lanka Education & Research Network, NREN171
- AS24490Trans Eurasia Information Network (TEIN2) SG35
- AS136968SingAREN5
- AS7497Computer Network Information Center Of Chinese Academy Of Sciences (CNIC CAS)4
- AS137207Joint Universities Computer Centre Limited4
- AS6939Hurricane Electric1
- AS9264Academia Sinica1
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
- How to run an ASPA checkVerify the upstream providers listed above
- 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/23855Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/23855" | jq