1. All IP Ranges
  2. 204.0.0.0/8
  3. 204.237.0.0/16
  4. AS20001  | 204.237.208.0/23

204.237.208.0/23

AS20001  ·  Charter Communications Inc

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Summary

Country United States
Domain ipnetzone.com
ASN AS20001
Parent Range 204.237.128.0/17
Registry ARIN
ID GTT-CUSTOMER

WHOIS Details

NetHandle:      NET-204-237-208-0-1
OrgID:          IPNET-1
Parent:         NET-204-237-128-0-1
NetName:        GTT-CUSTOMER
NetRange:       204.237.208.0 - 204.237.209.255
NetType:        reallocation
RegDate:        2026-02-25
Updated:        2026-02-25
Source:         ARIN


OrgID:          IPNET-1
OrgName:        IPNetZone
CanAllocate:    
Street:         7900 Tysons One Place
City:           McLean
State/Prov:     VA
Country:        US
PostalCode:     22102
Comment:        http://www.ipnetzone.com
RegDate:        2009-02-02
Updated:        2025-08-14
ReferralServer: rwhois://rwhois.ipnetzone.com:4321
OrgAdminHandle: AS3251-ARIN
OrgTechHandle:  AS3251-ARIN
OrgTechHandle:  GIT5-ARIN
OrgAbuseHandle: ABUSE2254-ARIN
OrgAbuseHandle: GAD46-ARIN
OrgNOCHandle:   GNOC16-ARIN
OrgNOCHandle:   NOC11073-ARIN
Source:         ARIN


POCHandle:      AS3251-ARIN
IsRole:         Y
LastName:       AS3257 Netguard
FirstName:      
Street:         Frankfurter Strasse 227
City:           Neu-Isenburg
State/Prov:     
Country:        DE
PostalCode:     63263
RegDate:        2009-07-03
Updated:        2026-01-28
OfficePhone:    +49 69 48007422
Mailbox:        netguard@gtt.net
Source:         ARIN


POCHandle:      GNOC16-ARIN
IsRole:         Y
LastName:       GTT Network Operations Center
FirstName:      
Street:         4201 Wilson Blvd.
Street:         Suite 504 North Tower
City:           Arlington
State/Prov:     VA
Country:        US
PostalCode:     22203
RegDate:        2014-04-16
Updated:        2025-07-09
OfficePhone:    +1-703-442-5500
Mailbox:        noc@gtt.net
Source:         ARIN


POCHandle:      GAD46-ARIN
IsRole:         Y
LastName:       GTT Abuse Department
FirstName:      
Street:         4201 Wilson Blvd.
Street:         Suite 504 North Tower
City:           Arlington
State/Prov:     VA
Country:        US
PostalCode:     22203
RegDate:        2014-04-16
Updated:        2025-07-09
OfficePhone:    +1-703-442-5500
FaxPhone:       +1-703-442-5501
Mailbox:        abuse@gtt.net
Source:         ARIN


POCHandle:      ABUSE2254-ARIN
IsRole:         Y
LastName:       Abuse Handle
FirstName:      
Street:         1270 Broadway
Street:         Suite 708
City:           New York
State/Prov:     NY
Country:        US
PostalCode:     10001
RegDate:        2009-04-13
Updated:        2014-01-30
OfficePhone:    +1-646-254-6800
Mailbox:        ipabuse@unsi.net
Source:         ARIN


POCHandle:      NOC11073-ARIN
IsRole:         Y
LastName:       Network Operations Center
FirstName:      
Street:         38-31 Crescent Street
City:           Long Island City
State/Prov:     NY
Country:        US
PostalCode:     11101
RegDate:        2009-07-15
Updated:        2013-11-18
OfficePhone:    +1-646-254-6800
Mailbox:        netops@ipnetzone.com
Source:         ARIN


POCHandle:      GIT5-ARIN
IsRole:         Y
LastName:       GTT IPAM Team
FirstName:      
Street:         4201 Wilson Blvd.
Street:         Suite 504 North Tower
City:           Arlington
State/Prov:     VA
Country:        US
PostalCode:     22203
RegDate:        2025-02-17
Updated:        2025-07-09
OfficePhone:    +1-703-442-5500
Mailbox:        netguard@gtt.net
Source:         ARIN

Overlapping Ranges

BGP prefixes that contain 204.237.208.0/23

Range ASN Company Num of IPs
204.237.128.0/17 AS3257 PacketExchange, Inc 32,768

Nearby Ranges

BGP prefixes that overlap with 204.237.0.0/16

Range ASN Company Num of IPs
204.237.128.0/17 AS3257 PacketExchange, Inc 32,768
204.237.0.0/17 AS22995 Xplore Inc. 32,768
204.237.144.0/22 AS2914 Private Customer 1,024
204.237.232.0/22 AS2914 Private Customer 1,024
204.237.152.0/22 AS2914 Private Customer 1,024
204.237.148.0/22 AS2914 Private Customer 1,024
204.237.212.0/22 AS2914 Private Customer 1,024
204.237.156.0/22 AS2914 Private Customer 1,024
204.237.216.0/22 AS3257 Satcom Global 1,024
204.237.240.0/22 AS2914 Private Customer 1,024
204.237.136.0/22 AS2914 Private Customer 1,024
204.237.186.0/23 AS20940 Akamai Technologies, Inc. 512
204.237.254.0/23 AS20001 IPNetZone 512
204.237.172.0/23 AS20001 IPNetZone 512
204.237.128.0/23 AS20001 IPNetZone 512
204.237.246.0/23 AS20001 IPNetZone 512
204.237.192.0/23 AS20001 IPNetZone 512
204.237.180.0/23 AS20001 IPNetZone 512
204.237.204.0/23 AS20001 IPNetZone 512
204.237.190.0/23 AS20001 IPNetZone 512
204.237.140.0/23 AS20001 IPNetZone 512
204.237.248.0/23 AS17035 NBC Universal 512
204.237.244.0/23 AS32596 Camber Corporation 512
204.237.253.0/24 AS205615 SSC Technologies 256
204.237.162.0/24 AS63099 MADEALA TELECOM TECHNOLOGY INC 256
204.237.251.0/24 AS395369 HPS Investment Partners 256
204.237.132.0/24 AS396229 BPG 256
204.237.133.0/24 AS62713 Pubmatic 256
204.237.134.0/24 AS63099 MADEALA TELECOM TECHNOLOGY INC 256
204.237.178.0/24 AS63099 MADEALA TELECOM TECHNOLOGY INC 256
204.237.183.0/24 AS63099 MADEALA TELECOM TECHNOLOGY INC 256
204.237.177.0/24 AS63099 MADEALA TELECOM TECHNOLOGY INC 256
204.237.231.0/24 AS63099 MADEALA TELECOM TECHNOLOGY INC 256
204.237.252.0/24 AS63099 MADEALA TELECOM TECHNOLOGY INC 256
204.237.224.0/24 AS63099 MADEALA TELECOM TECHNOLOGY INC 256
204.237.203.0/24 AS63099 MADEALA TELECOM TECHNOLOGY INC 256
204.237.238.0/24 AS63099 MADEALA TELECOM TECHNOLOGY INC 256
204.237.236.0/24 AS63099 MADEALA TELECOM TECHNOLOGY INC 256
204.237.174.0/24 AS63099 MADEALA TELECOM TECHNOLOGY INC 256
204.237.250.0/24 AS63099 MADEALA TELECOM TECHNOLOGY INC 256
204.237.188.0/24 AS20940 Akamai Technologies, Inc. 256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity
Read more

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
52.232.186.167 AS8075 Microsoft Corporation 0.19ms from Boydton, US
35.188.15.199 AS396982 Google LLC 0.12ms from Council Bluffs, US
1.54.160.247 AS18403 FPT Telecom Company 1.46ms from Ho Chi Minh City, VN
103.81.61.87 AS136060 Dinas Informasi dan Pengolahan Data TNI AL (DISINFOLAHTAL) 2.47ms from Jakarta, ID
69.5.6.247 AS150436 Byteplus Pte. Ltd. 0.84ms from Jakarta, ID
161.23.227.151 AS198864 Queen Mary and Westfield College, University of London 3.89ms from London, GB
167.160.64.151 AS64267 Sprious LLC 0.69ms from Los Angeles, US
100.8.201.23 AS701 Verizon Business 1.69ms from New York City, US
72.216.125.39 AS22773 Cox Communications Inc. 2.69ms from Phoenix, US
37.230.144.231 AS203725 ST. PETERSBURG STATE PUBLIC INSTITUTION ST. PETERSBURG INFORMATION AND ANALYTICAL CENTER 0.77ms from Saint Petersburg, RU
97.7.33.215 AS6167 Verizon Business 16.72ms from Seattle, US
49.26.38.119 AS4766 Korea Telecom 4.90ms from Seoul, KR
61.100.14.7 AS9952 Hostway IDC 1.08ms from Seoul, KR
108.39.125.135 AS701 Verizon Business 9.19ms from Ashburn, US
72.200.158.167 AS22773 Cox Communications Inc. 7.72ms from Boston, US
122.136.94.55 AS4837 CHINA UNICOM China169 Backbone 6.78ms from Changchun, CN
104.2.100.231 AS7018 AT&T Enterprises, LLC 2.69ms from Dallas, US
89.56.20.7 AS207790 SWN Stadtwerke Neumuenster GmbH 2.00ms from Hamburg, DE
108.80.98.71 AS7018 AT&T Enterprises, LLC 2.32ms from Houston, US
110.135.141.151 AS9824 JCOM Co., Ltd. 19.93ms from Osaka, JP
153.156.233.55 AS4713 NTT DOCOMO BUSINESS,Inc. 2.57ms from Tokyo, JP
120.3.214.55 AS4837 CHINA UNICOM China169 Backbone 11.00ms from Beijing, CN
71.84.156.71 AS20115 Charter Communications LLC 6.41ms from Dallas, US
202.88.10.7 AS4058 CITIC Telecom International CPC Limited 6.46ms from Hong Kong, HK
106.216.65.55 AS45609 Bharti Airtel Ltd. AS for GPRS Service 6.67ms from Kolkata, IN

Traceroute

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

$
traceroute -a -n -q1 -m11 204.237.208.103
traceroute to 204.237.208.103 (204.237.208.103): 11 hops max, 52 byte packets
2 [AS15169] 108.170.252.54 158.884 ms
3 *
4 [AS20001] 72.129.1.245 162.235 ms
5 [AS20001] 72.129.25.15 167.593 ms
6 [AS20001] 72.129.5.181 167.889 ms
7 [AS20001] 76.58.25.229 163.789 ms
8 [AS20001] 76.80.211.250 163.891 ms
9 *
10 *
11 *
Measurement taken from IPinfo ProbeNet in Sao Paulo, BR
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.

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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