1. All IP Ranges
  2. 104.0.0.0/8
  3. 104.243.0.0/16
  4. AS16433  | 104.243.72.0/21

104.243.72.0/21

AS16433  ·  NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATION

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Summary

Country United States
Domain nctc.com
ASN AS16433
Parent Range 104.243.64.0/20
Registry ARIN
ID NCTC-9

WHOIS Details

NetHandle:      NET-104-243-64-0-1
OrgID:          NCTC-9
Parent:         NET-104-0-0-0-0
NetName:        NCTC-9
NetRange:       104.243.64.0 - 104.243.79.255
NetType:        allocation
RegDate:        2023-03-15
Updated:        2023-03-15
Source:         ARIN


OrgID:          NCTC-9
OrgName:        NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATION
CanAllocate:    
Street:         872 highway 52 Bypass East
City:           Lafayette
State/Prov:     TN
Country:        US
PostalCode:     37083
RegDate:        2007-09-05
Updated:        2026-02-03
OrgAdminHandle: NCTCA-ARIN
OrgTechHandle:  CARLY9-ARIN
OrgTechHandle:  CSM72-ARIN
OrgTechHandle:  NA175-ARIN
OrgTechHandle:  WELLS303-ARIN
OrgAbuseHandle: CSM72-ARIN
OrgAbuseHandle: NA175-ARIN
OrgNOCHandle:   NA175-ARIN
OrgRoutingHandle:   CSM72-ARIN
OrgDNSHandle:   CSM72-ARIN
Source:         ARIN


POCHandle:      NA175-ARIN
IsRole:         Y
LastName:       Network Administrator
FirstName:      
Street:         115 W. Williams St
City:           Elizabethtown
State/Prov:     KY
Country:        US
PostalCode:     42701
RegDate:        2000-10-24
Updated:        2025-03-17
OfficePhone:    +1-270-982-8860
Mailbox:        adminblue@blue.net
Source:         ARIN


POCHandle:      CARLY9-ARIN
IsRole:         N
LastName:       Carlyle
FirstName:      Chris 
Street:         872 Highway 52 Bypass East
City:           Lafayette
State/Prov:     TN
Country:        US
PostalCode:     37083
RegDate:        2026-02-03
Updated:        2026-02-03
OfficePhone:    +1-615-666-2151
Mailbox:        Chris.carlyle@nctcstaff.com
Source:         ARIN


POCHandle:      NCTCA-ARIN
IsRole:         Y
LastName:       nctcadmin
FirstName:      
Street:         872 Highway 52 Bypass East
City:           Lafayette
State/Prov:     TN
Country:        US
PostalCode:     37083
RegDate:        2012-04-18
Updated:        2025-10-25
OfficePhone:    +1-615-666-2151
Mailbox:        coreysmith@nctc.com
Mailbox:        coreysmith@nctcstaff.com
Source:         ARIN


POCHandle:      CSM72-ARIN
IsRole:         N
LastName:       Smith
FirstName:      Corey
Street:         872 Highway 52 Bypass East
City:           Lafayette
State/Prov:     TN
Country:        US
PostalCode:     37083
RegDate:        2007-09-04
Updated:        2025-10-25
OfficePhone:    +1-615-666-2151
MobilePhone:    +1-615-388-6864
FaxPhone:       +1-615-666-6118
Mailbox:        corey.smith@nctcstaff.com
Mailbox:        coreysmith@nctc.com
Source:         ARIN


POCHandle:      WELLS303-ARIN
IsRole:         N
LastName:       Wells
FirstName:      Troy 
Street:         872 Highway 52 Bypass
City:           Lafayette
State/Prov:     TN
Country:        US
PostalCode:     37083
RegDate:        2019-09-27
Updated:        2025-09-26
OfficePhone:    +1-615-666-2151
Mailbox:        troy.wells@nctc.com
Source:         ARIN

Overlapping Ranges

BGP prefixes that contain 104.243.72.0/21

Range ASN Company Num of IPs
104.243.64.0/20 AS16433 NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATION 4,096

Nearby Ranges

BGP prefixes that overlap with 104.243.0.0/16

Range ASN Company Num of IPs
104.243.144.0/20 AS32003 LiteWire Internet Services, Inc. 4,096
104.243.112.0/20 AS23316 Bel Air Internet, LLC 4,096
104.243.64.0/20 AS16433 NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATION 4,096
104.243.224.0/20 AS16616 Country Wireless 4,096
104.243.16.0/20 AS25820 Cluster Logic Inc 4,096
104.243.80.0/20 AS40788 Start Communications 4,096
104.243.96.0/20 AS54614 CIK Telecom INC 4,096
104.243.176.0/20 AS63089 Salina Spavinaw Telephone Company, Inc 4,096
104.243.160.0/20 AS63353 Pelican Broadband 4,096
104.243.215.0/24 AS212238 Cardinal Networks 256
104.243.243.0/24 AS212238 MICFO-US 256
104.243.249.0/24 AS216378 Internet Security - US OH 256
104.243.39.0/24 AS23470 Brandon Chow 256
104.243.36.0/24 AS23470 ReliableSite.Net LLC 256
104.243.248.0/24 AS3223 VOXILITY-DE 256
104.243.209.0/24 AS36601 bizphones4u 256
104.243.245.0/24 AS396356 Private Customer 256
104.243.211.0/24 AS398852 Nextor Telecom LLC 256
104.243.255.0/24 AS64267 Private Customer 256
104.243.208.0/24 AS7015 COMCAST-WIRED 256
104.243.254.0/24 AS7040 PSINet, Inc. 256
104.243.247.0/24 AS9009 Internet Security - US OH 256
104.243.213.0/24 AS9009 Premio Digital-Belize 256
104.243.251.0/24 AS9009 Internet Security - US NY 256
104.243.252.0/24 AS9009 Internet Security - DE 256
104.243.253.0/24 AS9009 Secure Internet LLC CA 256
104.243.220.0/24 AS14618 Barchart.com, Inc. 256
104.243.246.0/24 AS9009 Internet Security - US LA 256
104.243.221.0/24 AS15292 PIN Business Network, Inc. 256
104.243.250.0/24 AS201813 Secure Internet LLC MA 256
104.243.241.0/24 AS202903 Private Customer 256
104.243.240.0/24 AS212238 Secure Internet LLC 256
104.243.214.0/24 AS212238 Roma-Net1 256
104.243.244.0/24 AS212238 MICFO-US 256
104.243.242.0/24 AS212238 MICFO-US 256
104.243.212.0/24 AS212238 Columbus-Networks 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

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

IP Address ASN Details
104.243.77.1 AS16433 NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATION 10.82ms from Atlanta, US
104.243.73.1 AS16433 NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATION 10.74ms from Atlanta, US
104.243.74.1 AS16433 NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATION 10.79ms from Atlanta, US
104.243.76.1 AS16433 NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATION 10.71ms from Atlanta, US
104.243.75.1 AS16433 NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATION 10.78ms from Atlanta, US
104.243.79.1 AS16433 NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATION 10.80ms from Atlanta, US
104.243.72.1 AS16433 NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATION 10.66ms from Atlanta, 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
96.51.35.133 AS6327 Shaw Communications 7.89ms from Calgary, CA
189.174.144.213 AS8151 UNINET 0.77ms from Cancún, MX
139.209.133.69 AS4837 CHINA UNICOM China169 Backbone 5.79ms from Changchun, CN
94.207.234.5 AS15802 Emirates Integrated Telecommunications Company PJSC 4.24ms from Dubai, AE
139.162.134.5 AS63949 Akamai Connected Cloud 0.14ms from Frankfurt am Main, DE
39.43.174.149 AS17557 Pakistan Telecommunication Company Limited 1.59ms from Islamabad, PK
122.199.47.117 AS38195 Superloop 0.92ms from Melbourne, AU
109.74.31.21 AS136787 PacketHub S.A. 0.38ms from New York City, US
157.245.214.149 AS14061 DigitalOcean, LLC 0.34ms from New York City, US
170.244.65.21 AS266492 FLASH SERVICOS EM FIBRA OPTICA LTDA - ME 1.53ms from Osasco, BR
131.120.134.245 AS668 United States Department of Defense (DoD) 3.79ms from San Jose, US
20.18.235.37 AS8075 Microsoft Corporation 0.15ms from Tokyo, JP
195.136.16.53 AS216446 Insatel Sp. z o.o. 7.36ms from Warsaw, PL
128.244.38.5 AS77 Johns Hopkins University Applied Physics Laboratory 1.53ms from Ashburn, US
135.222.43.5 AS8075 Microsoft Corporation 1.34ms from Ashburn, US
71.68.60.21 AS11426 Charter Communications Inc 4.60ms from Charlotte, US
87.61.33.229 AS3292 TDC Holding A/S 1.67ms from Copenhagen, DK
34.246.105.85 AS16509 Amazon.com, Inc. 0.13ms from Dublin, IE
217.182.41.245 AS16276 OVH SAS 0.07ms from Gravelines, FR
1.56.144.69 AS4837 CHINA UNICOM China169 Backbone 5.19ms from Harbin, CN
154.221.154.21 AS134175 SH2206-AP 0.72ms from Hong Kong, HK
95.40.184.101 AS16509 Amazon.com, Inc. 0.12ms from Hong Kong, HK
216.117.69.133 AS13767 DataBank Holdings, Ltd. 0.32ms from Houston, US
35.219.114.37 AS15169 Google LLC 0.16ms from Jakarta, ID
37.37.9.37 AS42961 Mobile Telecommunications Company K.S.C.P. 6.81ms from Kuwait City, KW

Traceroute

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

$
traceroute -a -n -q1 -f3 104.243.72.118
traceroute to 104.243.72.118 (104.243.72.118): 64 hops max, 52 byte packets
3 [] 206.71.12.143 0.78 ms
4 [] 66.38.87.172 10.347 ms
5 [] 66.38.87.11 11.679 ms
6 [] 66.38.87.141 15.045 ms
7 [] 66.38.87.13 10.222 ms
8 [] 66.38.87.89 19.392 ms
9 [] 66.38.87.219 11.037 ms
10 [AS16433] 74.50.44.10 13.947 ms
11 *
12 [AS16433] 104.243.72.118 11.411 ms
Measurement taken from IPinfo ProbeNet in Atlanta, 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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