Blue Cross Blue Shield of Illinois or Blue Cross Blue Shield of Texas
AS399433 is Blue Cross Blue Shield of Illinois or Blue Cross Blue Shield of Texas. It announces 256 IPv4 addresses in 1 prefixes, and 0 IPv6 prefixes.
United States· ARIN· allocated 2021-03-10· business
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
- AS-MS-78058
- name
- Blue Cross Blue Shield of Illinois or Blue Cross Blue Shield of Texas
- org
- HSCBCBI
- org name
- Blue Cross Blue Shield of Illinois or Blue Cross Blue Shield of Texas
- org address
- 300 E. Randolph Street, Chicago, IL, 60601
- org city
- Chicago
- org country
- US
- country
- US
- source
- arin
- created
- 2021-03-10
- updated
- 2021-03-10
- abuse name
- Michael Sanner
- abuse email
- michael_sanner@bcbstx.com
- abuse phone
- +1-972-766-3576
- abuse kind
- person
- abuse city
- Chicago
- abuse country
- US
- admin name
- Kevin Barr
- admin email
- kevin_barr@bcbstx.com
- admin phone
- +1-972-766-4412
- admin kind
- person
- admin city
- Chicago
- admin country
- US
- tech name
- Kevin Barr
- tech email
- kevin_barr@bcbstx.com
- tech phone
- +1-972-766-4412
- tech kind
- person
- tech city
- Chicago
- tech country
- US
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.
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- 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 |
|---|---|---|---|---|
| 8.17.21.0/24 | United States | not found | 17 | 2026-10-02 |
Test the real build first.
An evaluation license puts a full current build in your hands — every row, every column, no sampling — so you can measure it against your own traffic before anyone talks about terms.