AS31952
Calamos Advisors LLC
AS31952 is Calamos Advisors LLC (calamos.com). It announces 256 IPv4 addresses in 1 prefix, and 0 IPv6 prefixes.
United States· ARIN· allocated 2004-01-30· business
256
IPv4 addresses announced
1
IPv4 prefix
0
IPv6 prefixes
100.00%
of its routes RPKI-valid
256
of its IPv4 geolocated
1
country
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- United States256 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- CAL-NAP-ASN
- name
- Calamos Advisors LLC
- org
- CAL-137
- org name
- Calamos Advisors LLC
- org address
- 2020 Calamos Court, Naperville, IL, 60563
- org city
- Naperville
- org country
- US
- country
- US
- source
- arin
- created
- 2004-01-30
- updated
- 2014-07-18
- abuse name
- Andrew Smith
- abuse email
- asmith@calamos.com
- abuse phone
- +1-630-245-1286
- abuse kind
- person
- abuse city
- Naperville
- abuse country
- US
- admin name
- Jason Bertini
- admin email
- jbertini@calamos.com
- admin phone
- +1-630-577-2164
- admin kind
- person
- admin city
- Naperville
- admin country
- US
- tech name
- Andrew Smith
- tech email
- asmith@calamos.com
- tech phone
- +1-630-245-1286
- tech kind
- person
- tech city
- Naperville
- tech country
- US
- abuse unvalidated since
- 2026-03-24
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- 0.39%
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- 0.39%
- None here
- None here
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 192.52.162.0/24 | United States | valid | 16 | 2026-10-02 |
00 · Evaluate
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01 · License
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Standard, for detection and decisions inside your own product and operations.
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Annual terms, a named contact, and monthly, quarterly or yearly payment.