152.51.56.0/24

AS2539 · GlaxoSmithKline

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Summary

Country	United States
Domain	gsk.com
ASN	AS2539
Registry	ARIN
ID	GLAXOSMITHKLINE

WHOIS Details

NetHandle:      NET-152-51-0-0-1
OrgID:          SBC-92
Parent:         NET-152-0-0-0-0
NetName:        GLAXOSMITHKLINE
NetRange:       152.51.0.0 - 152.51.255.255
NetType:        allocation
RegDate:        1991-06-07
Updated:        2021-12-14
Source:         ARIN


OrgID:          SBC-92
OrgName:        GlaxoSmithKline
CanAllocate:    
Street:         5 Crescent Drive
City:           Philadelphia
State/Prov:     PA
Country:        US
PostalCode:     19112
RegDate:        2007-03-13
Updated:        2021-02-10
OrgAdminHandle: GSKAD-ARIN
OrgTechHandle:  GSKTE-ARIN
OrgAbuseHandle: GSKCS-ARIN
Source:         ARIN


POCHandle:      GSKCS-ARIN
IsRole:         Y
LastName:       GSK-CSIR
FirstName:      
Street:         1250 South Collegeville Rd
City:           Collegeville
State/Prov:     PA
Country:        US
PostalCode:     19426
RegDate:        2021-02-10
Updated:        2022-03-08
OfficePhone:    +1-215-751-4000
OfficePhone:    +1-610-962-4025
OfficePhone:    +1-610-962-4048
Mailbox:        csir@gsk.com
Source:         ARIN


POCHandle:      GSKTE-ARIN
IsRole:         Y
LastName:       GSK-TECH
FirstName:      
Street:         1250 South Collegeville Road
City:           Collegeville
State/Prov:     PA
Country:        US
PostalCode:     19426
RegDate:        2007-03-13
Updated:        2025-08-18
OfficePhone:    +1-215-751-4000
OfficePhone:    +1-610-962-4025
OfficePhone:    +1-610-962-4048
Mailbox:        addrmgmt@gsk.com
Source:         ARIN


POCHandle:      GSKAD-ARIN
IsRole:         Y
LastName:       GSK-ADMIN
FirstName:      
Street:         1250 South Collegeville Road
City:           Collegeville
State/Prov:     PA
Country:        US
PostalCode:     19426
RegDate:        2007-03-13
Updated:        2025-08-18
OfficePhone:    +1-215-751-4000
OfficePhone:    +1-610-962-4025
OfficePhone:    +1-610-962-4048
Mailbox:        addrmgmt@gsk.com
Source:         ARIN

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

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Pingable IPs

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

IP Address	ASN	Details
152.51.56.18	AS2539 GlaxoSmithKline	`1.08ms` 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
13.80.65.200	AS8075 Microsoft Corporation	`0.27ms` from Amsterdam, NL
111.201.116.120	AS4808 China Unicom Beijing Province Network	`4.06ms` from Beijing, CN
76.106.188.168	AS7922 Comcast Cable Communications, LLC	`11.55ms` from Boca Raton, US
125.67.2.104	AS4134 CHINANET-BACKBONE	`11.38ms` from Chengdu, CN
192.229.79.88	AS18978 Enzu Inc	`0.63ms` from Los Angeles, US
189.228.29.72	AS8151 UNINET	`1.54ms` from Mexico City, MX
77.48.164.184	AS16019 Vodafone Czech Republic a.s.	`0.56ms` from Prague, CZ
52.87.182.72	AS14618 Amazon.com, Inc.	`0.37ms` from Reston, US
211.175.164.168	AS9457 DREAMLINE CO.	`3.23ms` from Seoul, KR
148.72.222.136	AS26496 GoDaddy.com, LLC	`0.59ms` from Singapore, SG
46.11.2.184	AS15735 GO p.l.c.	`1.46ms` from Swieqi, MT
153.197.190.248	AS4713 NTT Communications Corporation	`7.79ms` from Tokyo, JP
158.199.202.24	AS9597 KDDI Web Communications Inc.	`0.81ms` from Tokyo, JP
151.248.160.24	AS8821 WWZ Telekom AG (TELEZUG)	`2.92ms` from Zuerich, CH
103.232.140.88	AS133501 QCS Group	`1.33ms` from Brisbane, AU
24.242.158.184	AS11427 Charter Communications Inc	`3.16ms` from Dallas, US
94.16.104.24	AS197540 netcup GmbH	`3.46ms` from Frankfurt am Main, DE
91.15.171.56	AS3320 Deutsche Telekom AG	`5.62ms` from Frankfurt am Main, DE
18.155.138.232	AS16509 Amazon.com, Inc.	`0.08ms` from Hamburg, DE
62.151.235.40	AS12479 Orange Espagne SA	`8.77ms` from Madrid, ES
96.47.236.184	AS20473 The Constant Company, LLC	`0.49ms` from Miami, US
82.50.97.184	AS3269 Telecom Italia S.p.A.	`2.80ms` from Milan, IT
77.50.238.168	AS34602 MEGASVYAZ LLC	`1.70ms` from Moscow, RU
95.84.167.232	AS42610 PJSC Rostelecom	`1.55ms` from Moscow, RU
61.3.26.88	AS9829 National Internet Backbone	`17.28ms` from Saint Thomas Mount, IN

Traceroute

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

traceroute -a -n -q1 152.51.56.30

traceroute to 152.51.56.30 (152.51.56.30): 64 hops max, 52 byte packets

1 [AS63023] 38.91.106.1 0.161 ms

2 [AS3257] 74.199.196.153 0.44 ms

3 [AS3257] 213.200.113.150 0.318 ms

4 *

5 *

6 [AS3356] 4.71.151.30 31.305 ms

7 [AS2539] 152.51.56.30 33.32 ms

Measurement taken from

IPinfo ProbeNet in Miami, 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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