149.20.4.0/24

AS27321 · Internet Systems Consortium, Inc.

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Summary

Country	United States
Domain	isc.org
ASN	AS27321
Registry	ARIN
ID	ISC-NET3

WHOIS Details

NetHandle:      NET-149-20-0-0-1
OrgID:          ISC-94-Z
Parent:         NET-149-0-0-0-0
NetName:        ISC-NET3
NetRange:       149.20.0.0 - 149.20.67.255
NetType:        allocation
Comment:        -----BEGIN CERTIFICATE-----MIIC3DCCAcQCCQDoWHUa7jdJGTANBgkqhkiG9w0BAQsFADAwMQswCQYDVQQGEwJVUzEMMAoGA1UECgwDSVNDMRMwEQYDVQQDDAppc2M0YW1hem9uMB4XDTIwMDkyMjEzMzY0OVoXDTMwMDkyMDEzMzY0OVowMDELMAkGA1UEBhMCVVMxDDAKBgNVBAoMA0lTQzETMBEGA1UEAwwKaXNjNGFtYXpvbjCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAKOm7qnJvxRt8l64PuNuCWNrTEhU/3rGQuDMilQvPncSPK2ryKu/cu1cUXJRkO3C58HzIHleUOhv7ZEiLtEageBwJoc8unFdlCxxhUvkm20xwQ0v85MkbyWcDLcjYSrccVDDdD41p3b8y3ynWsh5rdRowcJ169x1aptxXVg3QybMKHRShXucTmQFHSe8R63TH50sHgI3EoZV7m1w+EW7ukxMoVlXchR08jBh/UYP+NzBdaHrgYwksO8om5QxQucaoOqDpYBP5BBQFfD1ii91oUfBS0SqporCmZde7xmlka2nOkCMZ39pWpIvvxKPX/k9LhVZ1UMTMmH+oxZGEy29JXcCAwEAATANBgkqhkiG9w0BAQsFAAOCAQEAOFTGDBbl62AnAOxZYPE6gaHba8GOR2bYt8bzFR3gto/LeanjKXcNT2WxFXEjKIrV5c83Nza/ePEc/kSVD8MLuNwU7uNzTxpmC/dmy8l1yv4XIKW2tQySgUhfbwOV50/yGuo9MBNNRGfbIktQ1I3gK4eR/OJ7Zksetdc2ONgCDLSbOooqDD5XQqghv7ozwpcXdSV7pjtH86jE2voTC5ni0W0kZUlX2KZOI26Ze5x6LHz1/PPsBC1+BmRt++39PSfjuihOoVoyQoQyK4atkPOvBA0CNzL2/PbVsBXmB6BVgZ2LCS0qv/8ROY1Jxe+L/R15upvohJgjKWGionzbjlKr0g==-----END CERTIFICATE-----
RegDate:        1992-01-28
Updated:        2021-12-14
Source:         ARIN


OrgID:          ISC-94-Z
OrgName:        Internet Systems Consortium, Inc.
CanAllocate:    
Street:         PO Box 360
City:           Newmarket
State/Prov:     NH
Country:        US
PostalCode:     03857
RegDate:        2007-11-08
Updated:        2024-01-03
OrgAdminHandle: JSO127-ARIN
OrgTechHandle:  BELLI82-ARIN
OrgTechHandle:  ISCN-ARIN
OrgTechHandle:  JSO127-ARIN
OrgTechHandle:  RA15-ARIN
OrgAbuseHandle: ISCAT-ARIN
OrgNOCHandle:   ISCN-ARIN
Source:         ARIN


POCHandle:      RA15-ARIN
IsRole:         N
LastName:       Adams
FirstName:      Rick
Street:         2941 Fairview Park Drive, Suite 105
City:           Falls Church
State/Prov:     VA
Country:        US
PostalCode:     22042
RegDate:        1998-03-23
Updated:        2024-11-02
OfficePhone:    +1-703-255-5527
Mailbox:        rick@cello.net
Source:         ARIN


POCHandle:      ISCN-ARIN
IsRole:         Y
LastName:       Internet Systems Consortium NOC
FirstName:      
Street:         PO Box 360
City:           Newmarket
State/Prov:     NH
Country:        US
PostalCode:     03857
RegDate:        2003-05-15
Updated:        2024-11-23
OfficePhone:    +1-650-423-1310
Mailbox:        noc@isc.org
Source:         ARIN


POCHandle:      BELLI82-ARIN
IsRole:         N
LastName:       Bellis
FirstName:      Ray
Street:         PO Box 360
City:           Newmarket
State/Prov:     NH
Country:        US
PostalCode:     03857
RegDate:        2019-11-11
Updated:        2024-09-04
OfficePhone:    +1-650-423-1300
Mailbox:        ray@isc.org
Source:         ARIN


POCHandle:      ISCAT-ARIN
IsRole:         Y
LastName:       Internet Systems Consortium Abuse Team
FirstName:      
Street:         PO Box 360
City:           Newmarket
State/Prov:     NH
Country:        US
PostalCode:     03857
RegDate:        2003-05-15
Updated:        2024-08-29
OfficePhone:    +1-650-423-1300
Mailbox:        abuse@isc.org
Source:         ARIN


POCHandle:      JSO127-ARIN
IsRole:         N
LastName:       Osborn
FirstName:      Jeffrey
Street:         60 Exeter Road, Suite 104
Street:         PO Box 360
City:           Newmarket
State/Prov:     NH
Country:        US
PostalCode:     03824
RegDate:        2018-04-16
Updated:        2025-04-15
OfficePhone:    +1-408-455-8258
OfficePhone:    +1-650-423-1449
Mailbox:        jeff@isc.org
Source:         ARIN

Hosted domains

There are 3 domain names hosted across 1 IP address on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
149.20.4.15	gowork.ga	3

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

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

IP Address	ASN	Details
149.20.4.97	AS27321 Internet Systems Consortium, Inc.	`0.22ms` from Fremont, 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
88.159.45.200	AS1136 KPN B.V.	`3.33ms` from Amsterdam, NL
79.128.32.88	AS6799 Ote SA (Hellenic Telecommunications Organisation)	`0.63ms` from Athens, GR
125.239.85.88	AS4771 Spark New Zealand Trading Ltd.	`3.54ms` from Auckland, NZ
18.239.132.168	AS16509 Amazon.com, Inc.	`0.37ms` from Bangkok, TH
104.181.17.120	AS7018 AT&T Enterprises, LLC	`8.32ms` from Dallas, US
93.204.220.200	AS3320 Deutsche Telekom AG	`9.62ms` from Frankfurt am Main, DE
91.18.158.200	AS3320 Deutsche Telekom AG	`7.98ms` from Frankfurt am Main, DE
90.129.91.72	AS1257 Tele2 Sverige AB	`0.59ms` from Goeteborg, SE
80.131.212.184	AS3320 Deutsche Telekom AG	`4.19ms` from Hamburg, DE
16.162.174.120	AS16509 Amazon.com, Inc.	`0.50ms` from Hong Kong, HK
176.217.217.72	AS8386 Vodafone Net Iletisim Hizmetler AS	`15.72ms` from Istanbul, TR
104.93.84.136	AS7713 PT Telekomunikasi Indonesia	`1.62ms` from Jakarta, ID
187.250.92.8	AS8151 UNINET	`3.91ms` from Los Angeles, US
5.224.159.104	AS12430 VODAFONE ESPANA S.A.U.	`8.21ms` from Madrid, ES
64.57.193.168	AS396106 Consolidated Smart Systems LLC	`12.57ms` from Miami, US
199.232.143.8	AS54113 Fastly, Inc.	`0.08ms` from Milan, IT
103.246.85.88	AS45916 Gujarat Telelink Pvt Ltd	`10.15ms` from Mumbai, IN
86.246.56.184	AS3215 Orange S.A.	`2.97ms` from Paris, FR
39.80.10.88	AS4837 CHINA UNICOM China169 Backbone	`10.48ms` from Qingdao, CN
18.209.117.88	AS14618 Amazon.com, Inc.	`0.20ms` from Reston, US
174.7.127.104	AS6327 Shaw Communications Inc.	`8.45ms` from Seattle, US
86.100.88.248	AS39007 UAB "Balticum TV"	`5.41ms` from Siauliai, LT
73.163.69.152	AS7922 Comcast Cable Communications, LLC	`7.13ms` from Washington, US
130.255.184.88	AS29141 Bradler & Krantz GmbH & Co. KG	`3.72ms` from Amsterdam, NL
84.38.236.24	AS31673 Uniserver Internet B.V.	`0.26ms` from Amsterdam, NL

Traceroute

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

traceroute -a -n -q1 -f2 149.20.4.65

traceroute to 149.20.4.65 (149.20.4.65): 64 hops max, 52 byte packets

2 [] 206.197.187.56 0.34 ms

3 [AS27321] 149.20.4.65 0.427 ms

Measurement taken from

IPinfo ProbeNet in Fremont, US

On August 28th 2025

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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