AS23397
Chicago Mercantile Exchange — cmegroup.com
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Summary
| Country |
 United States
|
| Organization | Chicago Mercantile Exchange |
| Domain | cmegroup.com |
| Number of IPv4 | 512 |
| Number of IPv6 | 0 |
| AS Type | Business |
| Registry | ARIN |
| Allocated | March 12, 2002 (about 24 years ago) |
| Updated | April 15, 2026 (about 29 days ago) |
IP Ranges
AS23397 announces 2 IPv4 ranges and 0 IPv6 range.
That's a total of 512 IPv4 address and 0 IPv6 address.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 167.204.37.0/24 |
Chicago Mercantile Exchange
|
256 | ARIN | ALLOCATION |
| 204.10.10.0/24 |
NEW YORK MERCANTILE EXCHANGE
|
256 | ARIN | ALLOCATION |
Peers
AS23397 does not have any direct peering agreements. Instead, its global connectivity is achieved through transit providers. While this setup ensures comprehensive reach, future peering could reduce latency and optimize route efficiency.
Upstreams
AS23397 connects to the global Internet via at least 2 upstream providers. In this setup, AS23397 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS23397 currently has no downstream networks, meaning it does not serve as a transit provider to customer networks.