1. All IP Ranges
  2. 209.0.0.0/8
  3. 209.55.0.0/16
  4. AS16857  | 209.55.106.0/23

209.55.106.0/23

AS16857  ·  Central Texas Telecommunications

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Summary

Country United States
Domain centex.net
ASN AS16857
Parent Range 209.55.104.0/21
Registry ARIN
ID CTTC-7-209-55-104-0

WHOIS Details

NetHandle:      NET-209-55-104-0-1
OrgID:          CTTC-7
Parent:         NET-209-55-64-0-1
NetName:        CTTC-7-209-55-104-0
NetRange:       209.55.104.0 - 209.55.111.255
NetType:        reallocation
RegDate:        2019-10-09
Updated:        2019-10-09
Source:         ARIN


OrgID:          CTTC-7
OrgName:        Central Texas Telecommunications
CanAllocate:    
Street:         PO Box 627
City:           Goldthwaite
State/Prov:     TX
Country:        US
PostalCode:     76844
RegDate:        2019-08-12
Updated:        2026-01-27
OrgAdminHandle: SC1235-ARIN
OrgTechHandle:  MWG4-ARIN
OrgTechHandle:  SC1235-ARIN
OrgTechHandle:  SYSTE112-ARIN
OrgAbuseHandle: SC1235-ARIN
OrgAbuseHandle: SYSTE112-ARIN
OrgNOCHandle:   SC1235-ARIN
OrgNOCHandle:   SYSTE112-ARIN
Source:         ARIN


POCHandle:      SC1235-ARIN
IsRole:         N
LastName:       Calder
FirstName:      Shawn
Street:         1012 Reilly Street
City:           Goldthwaite
State/Prov:     TX
Country:        US
PostalCode:     76844
RegDate:        2001-10-17
Updated:        2025-10-01
OfficePhone:    +1-325-938-5611
Mailbox:        shawnc@centexnet.com
Source:         ARIN


POCHandle:      SYSTE112-ARIN
IsRole:         Y
LastName:       System Administrator
FirstName:      
Street:         1012 Reilly Street
City:           Goldthwaite
State/Prov:     TX
Country:        US
PostalCode:     76844
RegDate:        2005-06-13
Updated:        2025-10-01
OfficePhone:    +1-325-938-5611
Mailbox:        sysadmin@centex.net
Source:         ARIN


POCHandle:      MWG4-ARIN
IsRole:         N
LastName:       Garrison
FirstName:      Mitchell
Street:         3389 Knickerbocker Rd
City:           San Angelo
State/Prov:     TX
Country:        US
PostalCode:     76904
RegDate:        2011-01-25
Updated:        2026-03-04
OfficePhone:    +1-325-656-7000
Mailbox:        mitchg@centexnet.com
Source:         ARIN

Overlapping Ranges

BGP prefixes that contain 209.55.106.0/23

Range ASN Company Num of IPs
209.55.104.0/21 AS16857 Central Texas Telecommunications 2,048

Nearby Ranges

BGP prefixes that overlap with 209.55.0.0/16

Range ASN Company Num of IPs
209.55.0.0/19 AS25645 Momentum Telecom, Inc. 8,192
209.55.0.0/19 AS10397 Momentum Telecom, Inc. 8,192
209.55.96.0/21 AS16857 Central Texas Telecommunications 2,048
209.55.72.0/21 AS16857 Central Texas Telecommunications 2,048
209.55.104.0/21 AS16857 Central Texas Telecommunications 2,048
209.55.120.0/22 AS16823 Nortex Communications Company 1,024
209.55.64.0/23 AS16857 Central Texas Telecommunications 512
209.55.149.0/24 AS22616 Zscaler, Inc. 256
209.55.155.0/24 AS22616 Zscaler, Inc. 256
209.55.158.0/24 AS22616 Zscaler, Inc. 256
209.55.159.0/24 AS22616 Zscaler, Inc. 256
209.55.162.0/24 AS22616 Zscaler, Inc. 256
209.55.163.0/24 AS22616 Zscaler, Inc. 256
209.55.174.0/24 AS22616 Zscaler, Inc. 256
209.55.175.0/24 AS22616 Zscaler, Inc. 256
209.55.187.0/24 AS22616 Zscaler, Inc. 256
209.55.188.0/24 AS22616 Zscaler, Inc. 256
209.55.216.0/24 AS22616 Zscaler, Inc. 256
209.55.217.0/24 AS22616 Zscaler, Inc. 256
209.55.220.0/24 AS22616 Zscaler, Inc. 256
209.55.221.0/24 AS22616 Zscaler, Inc. 256
209.55.129.0/24 AS53813 Zscaler Softech India Private Limited 256
209.55.130.0/24 AS53813 Zscaler Softech India Private Limited 256
209.55.133.0/24 AS53813 Zscaler, Inc. 256
209.55.136.0/24 AS53813 Zscaler Softech India Private Limited 256
209.55.137.0/24 AS53813 Zscaler Softech India Private Limited 256
209.55.140.0/24 AS53813 Zscaler, Inc. 256
209.55.150.0/24 AS53813 Zscaler Softech India Private Limited 256
209.55.151.0/24 AS53813 Zscaler Softech India Private Limited 256
209.55.157.0/24 AS53813 Zscaler, Inc. 256
209.55.166.0/24 AS53813 Zscaler, Inc. 256
209.55.167.0/24 AS53813 Zscaler, Inc. 256
209.55.182.0/24 AS53813 Zscaler, Inc. 256
209.55.202.0/24 AS53813 Zscaler Softech India Private Limited 256
209.55.203.0/24 AS53813 Zscaler Softech India Private Limited 256
209.55.204.0/24 AS53813 Zscaler Softech India Private Limited 256
209.55.205.0/24 AS53813 Zscaler Softech India Private Limited 256
209.55.211.0/24 AS53813 Zscaler, Inc. 256
209.55.212.0/24 AS53813 Zscaler, Inc. 256
209.55.128.0/24 AS62044 Zscaler, Inc. 256
209.55.138.0/24 AS62044 Zscaler, Inc. 256
209.55.139.0/24 AS62044 Zscaler, Inc. 256
209.55.143.0/24 AS62044 Zscaler, Inc. 256
209.55.144.0/24 AS62044 Zscaler, Inc. 256
209.55.152.0/24 AS62044 Zscaler, Inc. 256
209.55.153.0/24 AS62044 Zscaler, Inc. 256
209.55.154.0/24 AS62044 Zscaler, Inc. 256
209.55.156.0/24 AS62044 Zscaler, Inc. 256
209.55.161.0/24 AS62044 Zscaler, Inc. 256
209.55.172.0/24 AS62044 Zscaler, Inc. 256

Hosted domains

There are no domains currently hosted on this ASN.

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
Read more

Pingable IPs

30 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
209.55.106.1 AS16857 Central Texas Telecommunications 7.95ms from Dallas, US
209.55.107.1 AS16857 Central Texas Telecommunications 7.91ms from Dallas, US

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
84.88.142.119 AS13041 Consorci de Serveis Universitaris de Catalunya 3.83ms from Barcelona, ES
117.193.66.167 AS9829 National Internet Backbone 17.02ms from Bengaluru, IN
223.236.94.55 AS24560 Bharti Airtel Ltd., Telemedia Services 9.79ms from Delhi, IN
45.24.47.167 AS7018 AT&T Enterprises, LLC 3.49ms from Houston, US
84.78.46.55 AS12479 Orange Espagne SA 12.48ms from Madrid, ES
64.125.23.71 AS6461 Zayo Bandwidth 0.29ms from New York City, US
98.8.32.135 AS19115 Charter Communications LLC 3.83ms from Orlando, US
73.171.220.39 AS7922 Comcast Cable Communications, LLC 8.09ms from Orlando, US
73.48.145.167 AS7922 Comcast Cable Communications, LLC 12.07ms from Santa Clara, US
35.199.99.215 AS396982 Google LLC 0.12ms from Sao Paulo, BR
78.82.246.7 AS8434 Telenor Sverige AB 1.59ms from Stockholm, SE
49.213.144.167 AS18049 Taiwan Infrastructure Network Technologie 4.62ms from Taipei, TW
126.123.37.167 AS17676 SoftBank Corp. 10.22ms from Tokyo, JP
99.240.143.151 AS812 Rogers Communications Canada Inc. 3.99ms from Toronto, CA
185.29.212.7 AS60551 D.P.S. Giro-consulting S.L. 2.12ms from Barcelona, ES
87.158.28.135 AS3320 Deutsche Telekom AG 4.65ms from Frankfurt am Main, DE
31.202.147.183 AS34700 MAXNET TELECOM, LTD 6.43ms from Kyiv, UA
108.85.194.231 AS7018 AT&T Enterprises, LLC 2.85ms from Los Angeles, US
216.70.92.55 AS398101 GoDaddy.com, LLC 1.44ms from Phoenix, US
27.213.139.199 AS4837 CHINA UNICOM China169 Backbone 5.92ms from Qingdao, CN
107.23.235.183 AS14618 Amazon.com, Inc. 0.22ms from Reston, US
52.4.243.199 AS14618 Amazon.com, Inc. 0.22ms from Reston, US
189.147.86.151 AS8151 UNINET 3.88ms from Santiago de Queretaro, MX
173.181.75.199 AS852 TELUS Communications Inc. 3.90ms from Seattle, US
121.145.15.87 AS4766 Korea Telecom 6.30ms from Seoul, KR

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

$
traceroute -a -n -q1 -f4 209.55.107.250
traceroute to 209.55.107.250 (209.55.107.250): 64 hops max, 52 byte packets
5 *
6 *
7 *
Measurement taken from IPinfo ProbeNet in Dallas, US
On

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.

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