AS2500 WIDE-BB - WIDE Project
Announced Prefixes (BGP)
4total
3 IPv41 IPv6
IPv4 Addresses
Allocated (RIR)0
Announced (BGP)65,536
IPv6 Addresses
Allocated (RIR)7.9×10²⁸
Announced (BGP)7.9×10²⁸
Prefix Limit (IPv4)
10
Prefix Limit (IPv6)
5
Allocated
-
Routing hygiene
Score 23/100 · Low riskRPKI ROA coverage
75%
no RPKI invalid prefixes
IRR route objects
100%
no origin mismatches
Hijack signals
2
0 announced against others' ROAs, 2 own announced by others
Upstreams
1
diversity 0/100
- Only one upstream seen in the AS paths of its routes
- 25% of announced prefixes (1 of 4) have no valid ROA
- 2 prefixes of this ASN announced by another network against its ROAs
Based on 4 announced prefixes, updated daily (2026-10-24). How the score works · RPKI explained
Announced Prefixes
(BGP)4|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| No ROA | Other IRR | 2026-10-24 | |
| Valid | Other IRR | 2026-10-24 | |
| Valid | Other IRR | 2026-10-24 | |
| Valid | APNICOther IRR | 2026-10-24 |
Allocated Prefixes
(RIR)1Prefix | Country | RIR | Status |
|---|---|---|---|
| 2001:200::/32 | 🇯🇵 JP | APNIC | assigned |
All 4 announced prefixes of AS2500 →
Downstream Customers(1)
| ASN | Name |
|---|---|
| AS4777 | 🇯🇵APNIC-COLO - Asia Pacific Network Information Centre |
BGP Neighbours
(seen in AS paths)Upstreams (2)
Networks AS2500 hands its own prefixes to: transit providers, or peers at an exchange.
Downstreams (28)
Networks whose own prefixes AS2500 passes on: usually its customers.
- AS138968Rainbow Network Limited43
- AS36351IBM Cloud17
- AS979NetLab Global16
- AS18403FPT Telecom Company13
- AS64050BGP Network Limited7
- AS2515Japan Network Information Center5
- AS4717WIDE Project5
- AS7607JT TELECOM INTERNATIONAL PTE5
- AS140951IPTP Networks5
- AS2501The University Of Tokyo4
- AS23799National Defense Academy4
- AS2635Automattic3
- AS17932Japan Advanced Institute Of Science And Technology3
- AS963N963 PTE2
- AS4690WIDE Project2
- AS4777Asia Pacific Network Information Centre2
- AS23634WIDE Project2
- AS55384Japan Advanced Institute Of Science And Technology2
- AS63783Chiba University Of Commerce2
- AS138915Kaopu Cloud HK Limited2
- AS141682APIDT Infrastructure Pty2
- AS4718Cyber Kansai Project1
- AS7500WIDE Project1
- AS9367Institute Of Science Tokyo1
- AS18186Nebula Global1
- AS51847NEAROUTE Limited1
- AS131158Nara Institute Of Science And Technology, National University Corporation1
- AS138997Eons Data Communications Limited1
Other adjacent networks (17)
Adjacent to AS2500 in the transit part of AS paths: peers, providers or customers.
- AS6939Hurricane Electric37
- AS2914NTT America33
- AS147094PT. MITRA VISIONER PRATAMA13
- AS4229Zenlayer9
- AS9002RETN Limited4
- AS25152K ROOT SERVER Reseaux IP Europeens Network Coordination Centre (RIPE NCC)3
- AS2516KDDI CORPORATION2
- AS136106PT. Mega Akses Persada2
- AS137409GSL Networks Pty2
- AS2907Research Organization Of Information And Systems, National Institute Of Informatics1
- AS9583Sify Limited1
- AS13335Cloudflare1
- AS20326TeraSwitch Networks1
- AS21859Zenlayer1
- AS33353Sony Interactive Entertainment1
- AS40779VOLTNET 01 03 VoltNet1
- AS216211CYBERVERSE BACKBONE CYBERVERSE1
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 transfer marketTransfers published by all five RIRs
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/2500Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/2500" | jq