1. All IP Ranges
  2. 72.0.0.0/8
  3. 72.42.0.0/16
  4. AS8047  | 72.42.128.0/18

72.42.128.0/18

AS8047  ·  GENERAL COMMUNICATION, INC.

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Summary

Country United States
Domain gci.com
ASN AS8047
Registry ARIN
ID GCI-ALASKA-6BLK

WHOIS Details

NetHandle:      NET-72-42-128-0-1
OrgID:          GENER-72
Parent:         NET-72-0-0-0-0
NetName:        GCI-ALASKA-6BLK
NetRange:       72.42.128.0 - 72.42.191.255
NetType:        allocation
RegDate:        2006-08-23
Updated:        2014-04-15
Source:         ARIN


OrgID:          GENER-72
OrgName:        GENERAL COMMUNICATION, INC.
CanAllocate:    
Street:         2550 Denali Street
Street:         Suite 1000
City:           Anchorage
State/Prov:     AK
Country:        US
PostalCode:     99503
RegDate:        2004-01-09
Updated:        2023-11-02
ReferralServer: rwhois://rwhois.gci.net:4321
OrgAdminHandle: GDA5-ORG-ARIN
OrgTechHandle:  GDA5-ORG-ARIN
OrgAbuseHandle: GNS10-ARIN
OrgRoutingHandle:   GRS342-ARIN
Source:         ARIN


POCHandle:      GDA5-ORG-ARIN
IsRole:         Y
LastName:       GCI IP Administrator
FirstName:      
Street:         2550 Denali St.
Street:         Suite 1000
City:           Anchorage
State/Prov:     AK
Country:        US
PostalCode:     99503
RegDate:        1970-01-01
Updated:        2025-07-22
OfficePhone:    +1-907-868-0100
FaxPhone:       +1-907-868-6325
Mailbox:        registrar@gci.com
Source:         ARIN


POCHandle:      GNS10-ARIN
IsRole:         Y
LastName:       GCI Network Security
FirstName:      
Street:         2550 Denali St.
Street:         Suite 1000
City:           Anchorage
State/Prov:     AK
Country:        US
PostalCode:     99503
RegDate:        2002-09-10
Updated:        2024-12-03
OfficePhone:    +1-907-868-5330
Mailbox:        abuse@gci.net
Mailbox:        security@gci.net
Source:         ARIN

Nearby Ranges

BGP prefixes that overlap with 72.42.0.0/16

Range ASN Company Num of IPs
72.42.0.0/18 AS701 Verizon Business 16,384
72.42.192.0/19 AS46231 Watch Communications 8,192
72.42.224.0/20 AS395425 Fandango Media, LLC 4,096
72.42.224.0/20 AS16509 Fandango Media, LLC 4,096
72.42.240.0/21 AS62642 Bigleaf Networks, Inc. 2,048
72.42.255.0/24 AS40914 Penske Truck Leasing Co., L.P. 256
72.42.254.0/24 AS398066 AASHTO 256
72.42.253.0/24 AS398134 Benevis Corp 256
72.42.251.0/24 AS400977 Schneck Medical Center 256
72.42.249.0/24 AS14289 COREFIRST BANK & TRUST 256
72.42.250.0/24 AS54385 City of Tolleson 256

Hosted domains

There are 24 domain names hosted across 20 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
72.42.149.79 briangeliah.com 3
72.42.176.207 aknerds.com 2
72.42.163.3 sammpeterson.com 2
72.42.139.8 lndos907.top 1
72.42.166.42 vetex.pro 1
72.42.150.254 areaad.com 1
72.42.169.226 darthfrostie.com 1
72.42.136.250 phatalaskan.com 1
72.42.164.135 unclecrawdaddy.com 1
72.42.147.14 bigbeaverlake.com 1
72.42.143.226 tailburst.me 1
72.42.149.109 oxetet.com 1
72.42.148.244 skan5e.com 1
72.42.149.234 jtechsvcs.com 1
72.42.171.82 balkibros.net 1
72.42.143.125 larrymurakami.com 1
72.42.132.121 someassholeinalaska.com 1
72.42.135.12 zorcher.net 1
72.42.174.83 ksgak.net 1
72.42.167.41 xitit.com 1

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

1,512 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
72.42.175.141 AS8047 GENERAL COMMUNICATION, INC. 6.87ms from Anchorage, US
72.42.161.19 AS8047 GENERAL COMMUNICATION, INC. 4.91ms from Anchorage, US
72.42.166.168 AS8047 GENERAL COMMUNICATION, INC. 6.72ms from Anchorage, US
72.42.181.115 AS8047 GENERAL COMMUNICATION, INC. 16.99ms from Anchorage, US
72.42.133.134 AS8047 GENERAL COMMUNICATION, INC. 5.36ms from Anchorage, US
72.42.136.1 AS8047 GENERAL COMMUNICATION, INC. 8.36ms from Anchorage, US
72.42.131.1 AS8047 GENERAL COMMUNICATION, INC. 18.25ms from Anchorage, US
72.42.142.118 AS8047 GENERAL COMMUNICATION, INC. 14.47ms from Anchorage, US
72.42.132.1 AS8047 GENERAL COMMUNICATION, INC. 1.51ms from Anchorage, US
72.42.180.1 AS8047 GENERAL COMMUNICATION, INC. 8.02ms from Anchorage, US
72.42.138.58 AS8047 GENERAL COMMUNICATION, INC. 14.81ms from Anchorage, US
72.42.164.205 AS8047 GENERAL COMMUNICATION, INC. 7.98ms from Anchorage, US
72.42.140.33 AS8047 GENERAL COMMUNICATION, INC. 12.43ms from Anchorage, US
72.42.141.145 AS8047 GENERAL COMMUNICATION, INC. 14.17ms from Anchorage, US
72.42.163.250 AS8047 GENERAL COMMUNICATION, INC. 8.32ms from Anchorage, US
72.42.179.100 AS8047 GENERAL COMMUNICATION, INC. 12.30ms from Anchorage, US
72.42.178.1 AS8047 GENERAL COMMUNICATION, INC. 8.38ms from Anchorage, US
72.42.143.89 AS8047 GENERAL COMMUNICATION, INC. 15.39ms from Anchorage, US
72.42.183.1 AS8047 GENERAL COMMUNICATION, INC. 20.03ms from Anchorage, US
72.42.139.84 AS8047 GENERAL COMMUNICATION, INC. 15.44ms from Anchorage, US
72.42.165.213 AS8047 GENERAL COMMUNICATION, INC. 5.67ms from Anchorage, US
72.42.171.145 AS8047 GENERAL COMMUNICATION, INC. 4.28ms from Anchorage, US
72.42.134.57 AS8047 GENERAL COMMUNICATION, INC. 5.76ms from Anchorage, US
72.42.170.68 AS8047 GENERAL COMMUNICATION, INC. 5.74ms from Anchorage, US
72.42.173.204 AS8047 GENERAL COMMUNICATION, INC. 5.13ms from Anchorage, 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
77.168.74.226 AS1136 KPN B.V. 1.62ms from Amsterdam, NL
179.13.43.210 AS27831 Colombia Móvil 17.99ms from Bogota, CO
139.215.123.98 AS4837 CHINA UNICOM China169 Backbone 4.06ms from Changchun, CN
67.255.37.226 AS11351 Charter Communications Inc 16.31ms from Chicago, US
50.44.236.50 AS5650 Frontier Communications of America, Inc. 13.96ms from Chicago, US
98.102.128.242 AS10796 Charter Communications Inc 2.49ms from Columbus, US
187.55.3.210 AS8167 V tal 13.05ms from Curitiba, BR
97.122.232.114 AS209 CenturyLink Communications, LLC 1.90ms from Denver, US
203.162.168.162 AS45899 VNPT Corp 0.62ms from Hanoi, VN
78.191.213.98 AS47331 TTNet A.S. 15.87ms from Istanbul, TR
210.210.144.66 AS4787 PT Cyberindo Aditama 3.08ms from Jakarta, ID
102.39.11.98 AS11845 Vox Telecom Ltd 0.65ms from Johannesburg, ZA
156.0.192.2 AS328216 Firestream (PTY) LTD 0.23ms from Johannesburg, ZA
91.195.112.2 AS51100 Kier Ltd 3.20ms from London, GB
83.44.9.34 AS3352 TELEFONICA DE ESPANA S.A.U. 9.11ms from Madrid, ES
151.4.90.50 AS1267 WIND TRE S.P.A. 4.54ms from Milan, IT
95.31.186.98 AS8402 PJSC "Vimpelcom" 1.54ms from Moscow, RU
101.141.21.82 AS17511 OPTAGE Inc. 2.95ms from Osaka, JP
52.222.158.178 AS16509 Amazon.com, Inc. 0.37ms from Paris, FR
163.5.160.2 AS399486 12651980 CANADA INC. 0.23ms from Paris, FR
100.34.58.178 AS701 Verizon Business 1.67ms from Philadelphia, US
27.213.3.82 AS4837 CHINA UNICOM China169 Backbone 8.56ms from Qingdao, CN
34.197.191.18 AS14618 Amazon.com, Inc. 0.20ms from Reston, US
124.53.182.66 AS17858 LG POWERCOMM 2.18ms from Seoul, KR
222.116.120.2 AS4766 Korea Telecom 4.99ms 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 -f5 72.42.160.1
traceroute to 72.42.160.1 (72.42.160.1): 64 hops max, 52 byte packets
5 [AS7782] 216.67.73.242 0.554 ms
6 *
7 [AS8047] 72.42.160.1 0.842 ms
Measurement taken from IPinfo ProbeNet in Anchorage, 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.

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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