137.51.246.0/24

AS2687 · AT&T Enterprises, LLC

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Summary

Country	United States
Domain	northropgrumman.com
ASN	AS2687
Registry	ARIN
ID	NGC-LOGICON

WHOIS Details

NetHandle:      NET-137-51-0-0-1
OrgID:          NGC-1
Parent:         NET-137-0-0-0-0
NetName:        NGC-LOGICON
NetRange:       137.51.0.0 - 137.51.255.255
NetType:        allocation
RegDate:        1991-03-08
Updated:        2021-12-14
Source:         ARIN


OrgID:          NGC-1
OrgName:        Northrop Grumman Corp.
CanAllocate:    
Street:         Northrop Grumman Corporation
Street:         925 South Oyster Bay Road
City:           Bethpage
State/Prov:     NY
Country:        US
PostalCode:     11714
RegDate:        1992-01-02
Updated:        2024-11-25
OrgAdminHandle: JML25-ARIN
OrgTechHandle:  DA192-ARIN
OrgTechHandle:  JML25-ARIN
OrgTechHandle:  RJO140-ARIN
OrgAbuseHandle: JML25-ARIN
OrgAbuseHandle: RJO140-ARIN
OrgNOCHandle:   JML25-ARIN
OrgNOCHandle:   RJO140-ARIN
Source:         ARIN


POCHandle:      RJO140-ARIN
IsRole:         N
LastName:       Johnson
FirstName:      Ronjay
Street:         995 Research Blvd
City:           Charlottesville
State/Prov:     VA
Country:        US
PostalCode:     22911
RegDate:        2009-03-19
Updated:        2025-03-12
OfficePhone:    +1-256-830-3606
Mailbox:        ronjay.johnson@ngc.com
Source:         ARIN


POCHandle:      DA192-ARIN
IsRole:         N
LastName:       Abel
FirstName:      David
Street:         12350 Jefferson Ave., Suite 400
City:           Newport News
State/Prov:     VA
Country:        US
PostalCode:     23602
RegDate:        1970-01-01
Updated:        2025-04-21
OfficePhone:    +1-616-446-3464
MobilePhone:    +1-616-446-3464
Mailbox:        dave.abel@ngc.com
Source:         ARIN


POCHandle:      JML25-ARIN
IsRole:         N
LastName:       Lott
FirstName:      James
Street:         1100 W. Hollyvale St.
City:           Azusa
State/Prov:     CA
Country:        US
PostalCode:     91702
RegDate:        2010-10-14
Updated:        2021-11-24
OfficePhone:    +1-626-812-2162
MobilePhone:    +1-909-984-2602
Mailbox:        james.lott@ngc.com
Source:         ARIN

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

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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
217.23.2.216	AS49981 WorldStream	`1.23ms` from Amsterdam, NL
162.224.97.40	AS7018 AT&T Enterprises, LLC	`13.59ms` from Atlanta, US
221.198.207.72	AS4837 CHINA UNICOM China169 Backbone	`5.86ms` from Beijing, CN
44.238.229.232	AS16509 Amazon.com, Inc.	`0.19ms` from Boardman, US
20.110.119.184	AS8075 Microsoft Corporation	`0.43ms` from Boydton, US
24.12.134.8	AS7922 Comcast Cable Communications, LLC	`5.74ms` from Chicago, US
97.115.223.248	AS209 CenturyLink Communications, LLC	`1.18ms` from Hillsboro, US
105.247.190.216	AS36994 Vodacom	`9.48ms` from Johannesburg, ZA
110.141.232.200	AS1221 Telstra Limited	`3.94ms` from Melbourne, AU
151.83.253.56	AS1267 WIND TRE S.P.A.	`4.31ms` from Milan, IT
180.3.32.248	AS4713 NTT Communications Corporation	`4.12ms` from Osaka, JP
158.112.210.8	AS49278 IKT-KAPASITETER	`8.36ms` from Oslo, NO
195.135.115.8	AS8399 SEWAN SAS	`0.57ms` from Paris, FR
12.138.13.40	AS7018 AT&T Enterprises, LLC	`2.69ms` from Phoenix, US
52.87.183.216	AS14618 Amazon.com, Inc.	`0.34ms` from Reston, US
61.98.161.8	AS9318 SK Broadband Co Ltd	`7.33ms` from Seoul, KR
118.72.171.72	AS4837 CHINA UNICOM China169 Backbone	`9.05ms` from Taiyuan, CN
176.229.63.40	AS12400 Partner Communications Ltd.	`2.11ms` from Tel Aviv, IL
147.181.4.136	AS202553 Dienst Uitvoering Onderwijs	`7.15ms` from Amsterdam, NL
3.166.91.8	AS16509 Amazon.com, Inc.	`3.78ms` from Arezzo, IT
172.210.39.232	AS8075 Microsoft Corporation	`0.48ms` from Ashburn, US
195.242.66.200	AS34247 Paragon Germany GmbH	`6.42ms` from Frankfurt am Main, DE
115.203.157.88	AS4134 CHINANET-BACKBONE	`10.47ms` from Hangzhou, CN
41.22.24.136	AS29975 Vodacom	`13.98ms` from Johannesburg, ZA
221.213.117.72	AS4837 CHINA UNICOM China169 Backbone	`3.63ms` from Kunming, CN

Traceroute

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

traceroute -a -n -q1 -f4 -m13 137.51.246.102

traceroute to 137.51.246.102 (137.51.246.102): 13 hops max, 52 byte packets

4 [AS3257] 213.200.122.61 160.634 ms

5 [AS3257] 69.174.124.126 162.557 ms

6 [AS7018] 32.109.34.17 256.178 ms

7 [AS7018] 165.87.128.73 255.097 ms

8 [AS7018] 165.87.124.178 255.764 ms

9 [AS7018] 32.109.34.86 253.757 ms

10 [AS2687] 32.114.105.218 254.196 ms

11 *

12 *

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Measurement taken from

IPinfo ProbeNet in Manchester, GB

On August 22nd 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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