AS2734 CORESITE - CoreSite
🇺🇸ARINassignedASPA Published
Announced Prefixes (BGP)
87total
66 IPv421 IPv6
IPv4 Addresses
Allocated (RIR)22,272
Announced (BGP)51,712
IPv6 Addresses
Allocated (RIR)0
Announced (BGP)1.3×10²⁹
Routing hygiene
Score 8/100 · Low riskRPKI ROA coverage
98.9%
no RPKI invalid prefixes
IRR route objects
98.9%
no origin mismatches
Hijack signals
0
0 announced against others' ROAs, 0 own announced by others
Upstreams
4
diversity 23/100
- Routes concentrated on one upstream (87% of routes)
Based on 87 announced prefixes, updated daily (2026-10-21). How the score works · RPKI explained
Announced Prefixes
(BGP)87|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | ARINOther IRR | 2026-10-26 | |
| Valid | ARINOther IRR | 2026-10-26 | |
| Valid | ARINOther IRR | 2026-10-26 | |
| Valid | ARINOther IRR | 2026-10-26 | |
| Valid | ARINOther IRR | 2026-10-26 | |
| Valid | ARINOther IRR | 2026-10-26 | |
| Valid | ARINOther IRR | 2026-10-26 | |
| Valid | ARINOther IRR | 2026-10-26 | |
| Valid | ARINOther IRR | 2026-10-26 | |
| Valid | ARINOther IRR | 2026-10-26 |
1-10 of 87
1 / 9
Allocated Prefixes
(RIR)7Prefix | Country | RIR | Status |
|---|---|---|---|
| 142.255.192.0/18 | 🇺🇸 US | ARIN | allocated |
| 163.52.34.0/24 | 🇦🇺 AU | APNIC | assigned |
| 173.45.170.0/24 | 🇺🇸 US | ARIN | allocated |
| 199.119.180.0/22 | 🇺🇸 US | ARIN | allocated |
| 206.223.143.0/24 | 🇺🇸 US | ARIN | allocated |
| 208.77.96.0/21 | 🇺🇸 US | ARIN | allocated |
| 208.84.144.0/21 | 🇺🇸 US | ARIN | allocated |
All 87 announced prefixes of AS2734 →
BGP Neighbours
(seen in AS paths)Upstreams (3)
Networks AS2734 hands its own prefixes to: transit providers, or peers at an exchange.
Downstreams (20)
Networks whose own prefixes AS2734 passes on: usually its customers.
- AS10255Sinister And Solitary9
- AS29906Westat9
- AS32798Highline Services7
- AS401174State Of California, Department Of Technology5
- AS397822California Resources Corporation3
- AS5651GMLL CAPITAL MANAGEMENT2
- AS22437CoreSite2
- AS26551Sargent & Lundy Engineers2
- AS30149The Goldman Sachs Group2
- AS40160Inteliquent2
- AS3223VOXILITY LLP1
- AS4898Opentable1
- AS11333CyberTrails1
- AS20304Lepton Global Solutions1
- AS22330Catalina Marketing Corporation1
- AS54525APPLIED GLOBAL TECHNOLOGIES1
- AS393371Microbilt Corporation1
- AS393827BJS WHOLESALE CLUB1
- AS398079Eminent1
- AS400986Adsystech1
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 ARIN 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/2734Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/2734" | jq