166.77.0.0/23

AS7256 · Viacom Inc.

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Summary

Country	United States
Domain	viacom.com
ASN	AS7256
Registry	ARIN
ID	VIACOM-NET

WHOIS Details

NetHandle:      NET-166-77-0-0-1
OrgID:          VIACO-3
Parent:         NET-166-0-0-0-0
NetName:        VIACOM-NET
NetRange:       166.77.0.0 - 166.77.255.255
NetType:        allocation
RegDate:        1993-11-03
Updated:        2021-12-14
Source:         ARIN


OrgID:          VIACO-3
OrgName:        Viacom Inc.
CanAllocate:    
Street:         1515 Broadway
City:           New York
State/Prov:     NY
Country:        US
PostalCode:     10036
Comment:        For SPAM Abuse, contact SPAMA-ARIN. For all other
Comment:        issues, contact ABUSE1189-ARIN.
RegDate:        2005-12-12
Updated:        2015-09-30
OrgAdminHandle: DUFFK1-ARIN
OrgTechHandle:  ABUSE1189-ARIN
OrgAbuseHandle: ABUSE1189-ARIN
OrgAbuseHandle: SPAMA-ARIN
Source:         ARIN


POCHandle:      ABUSE1189-ARIN
IsRole:         Y
LastName:       ABUSE
FirstName:      
Street:         1515 Broadway
City:           New York
State/Prov:     NY
Country:        US
PostalCode:     10036
RegDate:        2006-05-05
Updated:        2025-10-31
OfficePhone:    +1-212-846-7679
Mailbox:        abuse@viacom.com
Source:         ARIN


POCHandle:      DUFFK1-ARIN
IsRole:         N
LastName:       duff
FirstName:      kevin
Street:         1515 broadway
City:           ny
State/Prov:     NY
Country:        US
PostalCode:     10036
RegDate:        2015-09-30
Updated:        2025-05-31
OfficePhone:    +1-212-846-8001
MobilePhone:    +1-917-596-0001
Mailbox:        kevin.duff@viacomcbs.com
Source:         ARIN


POCHandle:      SPAMA-ARIN
IsRole:         Y
LastName:       SPAM ABUSE
FirstName:      
Street:         1515 Broadway
City:           New York
State/Prov:     NY
Country:        US
PostalCode:     10036
RegDate:        2006-05-08
Updated:        2025-09-04
OfficePhone:    +1-212-846-8651
Mailbox:        abuse@viacom.com
Source:         ARIN

Nearby Ranges

BGP prefixes that overlap with 166.77.0.0/16

No nearby ranges found.

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

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

IP Address	ASN	Details
166.77.0.100	AS7256 Viacom Inc.	`2.00ms` from New York City, US
166.77.1.53	AS7256 Viacom Inc.	`1.93ms` from New York City, 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
35.93.65.103	AS16509 Amazon.com, Inc.	`0.55ms` from Boardman, US
34.41.7.39	AS396982 Google LLC	`0.11ms` from Council Bluffs, US
108.235.93.55	AS7018 AT&T Enterprises, LLC	`10.00ms` from Dallas, US
16.24.218.23	AS16509 Amazon.com, Inc.	`0.13ms` from Manama, BH
176.241.195.39	AS42277 Limited liability company Kursktelecom	`14.36ms` from Moscow, RU
114.159.122.71	AS4713 NTT DOCOMO BUSINESS,Inc.	`10.78ms` from Osaka, JP
95.53.254.199	AS12389 PJSC Rostelecom	`10.06ms` from Saint Petersburg, RU
175.255.194.7	AS4766 Korea Telecom	`7.76ms` from Seoul, KR
112.176.84.119	AS4766 Korea Telecom	`4.31ms` from Seoul, KR
112.179.214.231	AS4766 Korea Telecom	`1.36ms` from Seoul, KR
20.227.51.103	AS8075 Microsoft Corporation	`0.70ms` from Sydney, AU
74.215.195.7	AS6181 Cincinnati Bell Telephone Company LLC	`1.55ms` from Cincinnati, US
174.101.114.247	AS10796 Charter Communications Inc	`10.58ms` from Columbus, US
80.141.102.183	AS3320 Deutsche Telekom AG	`3.46ms` from Frankfurt am Main, DE
110.81.46.199	AS4134 CHINANET-BACKBONE	`6.88ms` from Fuzhou, CN
81.101.2.7	AS5089 Virgin Media Limited	`9.28ms` from London, GB
192.178.247.39	AS15169 Google LLC	`0.33ms` from Los Angeles, US
115.129.39.183	AS7545 TPG Telecom Limited	`1.64ms` from Melbourne, AU
195.123.219.39	AS21100 GREEN FLOID LLC	`0.08ms` from Meppel, NL
14.74.130.183	AS4766 Korea Telecom	`6.21ms` from Seoul, KR
194.68.225.199	AS57169 EDIS GmbH	`0.20ms` from Sofia, BG
35.76.81.119	AS16509 Amazon.com, Inc.	`0.20ms` from Tokyo, JP
45.159.75.7	AS207810 "Virus Net" LLC	`0.39ms` from Yerevan, AM
123.163.55.135	AS4134 CHINANET-BACKBONE	`7.48ms` from Zhengzhou, CN
98.169.122.167	AS22773 Cox Communications Inc.	`4.16ms` from Ashburn, US

Traceroute

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

traceroute -a -n -q1 -f5 166.77.1.209

traceroute to 166.77.1.209 (166.77.1.209): 64 hops max, 52 byte packets

5 [AS3356] 209.246.110.234 73.723 ms

6 *

7 *

8 *

9 [AS7256] 166.77.1.209 74.119 ms

Measurement taken from

IPinfo ProbeNet in Coventry, GB

On December 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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