205.172.134.0/24

AS23494 · Blue Cross Blue Shield of Illinois or Blue Cross Blue Shield of Texas

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Summary

Country	United States
Domain	hcsc.net
ASN	AS23494
Registry	ARIN
ID	BCBSILLINOIS

WHOIS Details

NetHandle:      NET-205-172-132-0-1
OrgID:          BBI
Parent:         NET-205-0-0-0-0
NetName:        BCBSILLINOIS
NetRange:       205.172.132.0 - 205.172.135.255
NetType:        allocation
RegDate:        1995-04-12
Updated:        2021-12-14
TechHandle:     MSA111-ARIN
AbuseHandle:    MSA111-ARIN
Source:         ARIN


OrgID:          BBI
OrgName:        BlueCross BlueShield of Illinois
CanAllocate:    
Street:         300 East Randolph
City:           Chicago
State/Prov:     IL
Country:        US
PostalCode:     60604-5655
RegDate:        1995-04-12
Updated:        2024-05-16
OrgAdminHandle: BARRK5-ARIN
OrgTechHandle:  MSA111-ARIN
OrgAbuseHandle: MSA111-ARIN
Source:         ARIN


POCHandle:      MSA111-ARIN
IsRole:         N
LastName:       Sanner
FirstName:      Michael
Street:         300 East Randolph
City:           Chicago
State/Prov:     IL
Country:        US
PostalCode:     60601-5655
RegDate:        2006-09-06
Updated:        2024-05-16
OfficePhone:    +1-972-766-3576
MobilePhone:    +1-214-354-8112
Mailbox:        michael_sanner@bcbstx.com
Mailbox:        michael_sanner@hcsc.net
Source:         ARIN


POCHandle:      BARRK5-ARIN
IsRole:         N
LastName:       Barr
FirstName:      Kevin
Street:         300 E. Randolph Street
City:           Chicago
State/Prov:     IL
Country:        US
PostalCode:     60601
RegDate:        2024-05-16
Updated:        2025-05-16
OfficePhone:    +1-972-766-4412
MobilePhone:    +1-214-862-5353
Mailbox:        kevin_barr@bcbstx.com
Source:         ARIN

Nearby Ranges

BGP prefixes that overlap with 205.172.0.0/16

Range	ASN	Company	Num of IPs
205.172.120.0/21	AS26413	IP4B Inc.	2,048
205.172.176.0/22	AS16509	Amazon.com, Inc.	1,024
205.172.24.0/22	AS174	Hennigan & Mercer	1,024
205.172.168.0/22	AS1929	University of Massachusetts - AMHERST	1,024
205.172.12.0/22	AS32509	Sedgwick County Information Services	1,024
205.172.0.0/22	AS40300	DR Fortress, LLC	1,024
205.172.16.0/22	AS6534	Charter Communications Inc	1,024
205.172.164.0/22	AS88	McCarter Theatre Company	1,024
205.172.192.0/22	AS1436	Jersey Shore Medical Center Inc.	1,024
205.172.236.0/22	AS8103	Hillsborough County Public Health Unit	1,024
205.172.43.0/24	AS7312	FDM4 International Inc.	256

Hosted domains

There are 213 domain names hosted across 16 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
205.172.134.47	hcsc.net	165
205.172.134.99	accessforindividuals.com	19
205.172.134.131	ilhealthonline.com	9
205.172.134.127	contactbcbstx.com	3
205.172.134.68	becoveredillinoisans.org	3
205.172.134.41	dentalnetworkofamerica.us	2
205.172.134.84	bcbsok.info	2
205.172.134.52	bcbstx.org	2
205.172.134.241	dnoaconnect.com	1
205.172.134.42	bcbsilmedicare.com	1
205.172.134.71	hcscfoundation.org	1
205.172.134.119	hisccompliance.com	1
205.172.134.51	fdlic.com	1
205.172.134.60	yourpartd.com	1
205.172.134.70	besmartbewell.com	1
205.172.134.78	yourfederaldental.com	1

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.

Useful for Cybersecurity

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Pingable IPs

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address	ASN	Details
198.12.41.104	AS28075 ARLINK S.A.	`15.25ms` from Buenos Aires, AR
112.19.243.216	AS9808 China Mobile Communications Group Co., Ltd.	`3.98ms` from Chengdu, CN
81.171.213.120	AS8426 ClaraNET LTD	`8.94ms` from Erith, GB
81.234.140.40	AS3301 Telia Company AB	`0.67ms` from Goeteborg, SE
41.193.123.8	AS11845 Vox Telecom Ltd	`0.40ms` from Johannesburg, ZA
47.152.98.88	AS5650 Frontier Communications of America, Inc.	`3.44ms` from Los Angeles, US
187.158.45.200	AS8151 UNINET	`15.83ms` from Los Angeles, US
187.150.23.120	AS8151 UNINET	`12.45ms` from Miami, US
73.104.208.40	AS7922 Comcast Cable Communications, LLC	`4.49ms` from Orlando, US
41.98.185.56	AS36947 Telecom Algeria	`12.01ms` from Valencia, ES
128.251.244.152	AS8075 Microsoft Corporation	`0.27ms` from Amsterdam, NL
146.20.84.40	AS27357 Rackspace Hosting	`0.48ms` from Ashburn, US
34.218.248.120	AS16509 Amazon.com, Inc.	`0.17ms` from Boardman, US
122.143.171.24	AS4837 CHINA UNICOM China169 Backbone	`5.86ms` from Changchun, CN
143.103.14.120	AS19901 Brightspeed	`6.13ms` from Cincinnati, US
184.54.152.200	AS10796 Charter Communications Inc	`8.68ms` from Columbus, US
217.94.115.104	AS3320 Deutsche Telekom AG	`8.98ms` from Frankfurt am Main, DE
27.124.56.168	AS64050 BGP Network Limited	`0.53ms` from Ho Chi Minh City, VN
27.77.96.120	AS7552 Viettel Group	`2.59ms` from Ho Chi Minh City, VN
95.95.17.8	AS2860 NOS COMUNICACOES, S.A.	`3.31ms` from Lisbon, PT
41.90.241.8	AS33771 Safaricom Limited	`13.23ms` from Nairobi, KE
176.172.209.88	AS5410 Bouygues Telecom SA	`9.45ms` from Paris, FR
62.205.209.24	AS20910 SIA BITE Latvija	`0.53ms` from Riga, LV
69.62.213.136	AS14051 Fidium	`5.06ms` from San Jose, US
184.28.11.232	AS16625 Akamai Technologies, Inc.	`0.29ms` from Seattle, US

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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