131.44.121.0/24

AS56 · United States Department of Defense (DoD)

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Summary

Country	United States
Domain	mail.mil
ASN	AS56
Parent Range	131.44.0.0/16
Registry	ARIN
ID	RANDOLPH1-NET

WHOIS Details

NetHandle:      NET-131-44-0-0-2
OrgID:          7ESG
Parent:         NET-131-44-0-0-1
NetName:        RANDOLPH1-NET
NetRange:       131.44.0.0 - 131.44.255.255
NetType:        reallocation
RegDate:        2025-08-18
Updated:        2025-08-18
Source:         ARIN


OrgID:          7ESG
OrgName:        Air Force Systems Networking
CanAllocate:    
Street:         501 EAST MOORE DR. BLDG 884 RM 1100 GUNTHER ANNEX
City:           MAXWELL AFB
State/Prov:     AL
Country:        US
PostalCode:     36114
RegDate:        2008-06-05
Updated:        2025-03-13
OrgAdminHandle: REGIS10-ARIN
OrgTechHandle:  REGIS10-ARIN
OrgAbuseHandle: REGIS10-ARIN
Source:         ARIN


POCHandle:      REGIS10-ARIN
IsRole:         Y
LastName:       Registration
FirstName:      
Street:         DISA-Columbus
Street:         300 North James Road
City:           Whitehall
State/Prov:     OH
Country:        US
PostalCode:     43213
RegDate:        2009-06-24
Updated:        2025-02-13
OfficePhone:    +1-844-347-2457
Mailbox:        [email protected]
Source:         ARIN

Overlapping Ranges

BGP prefixes that contain 131.44.121.0/24

Range	ASN	Company	Num of IPs
131.44.0.0/16	AS56	Air Force Systems Networking	65,536

Nearby Ranges

BGP prefixes that overlap with 131.44.0.0/16

Range	ASN	Company	Num of IPs
131.44.0.0/16	AS56	Air Force Systems Networking	65,536

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

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
73.207.223.72	AS7922 Comcast Cable Communications, LLC	`4.44ms` from Atlanta, US
123.122.183.72	AS4808 China Unicom Beijing Province Network	`3.95ms` from Beijing, CN
197.221.58.24	AS37153 Xneelo (Pty) Ltd	`1.83ms` from Cape Town, ZA
47.153.131.184	AS5650 Frontier Communications of America, Inc.	`10.73ms` from Los Angeles, US
185.8.197.200	AS202613 Aruba S.p.A.	`3.38ms` from Milan, IT
27.205.195.248	AS4837 CHINA UNICOM China169 Backbone	`5.08ms` from Qingdao, CN
191.119.206.104	AS22047 VTR BANDA ANCHA S.A.	`8.88ms` from Santiago, CL
129.211.42.168	AS45090 Shenzhen Tencent Computer Systems Company Limited	`1.00ms` from Shanghai, CN
194.93.20.8	AS209792 Daan van Gorkum	`1.99ms` from Singapore, SG
77.61.142.200	AS1136 KPN B.V.	`2.77ms` from Amsterdam, NL
34.85.132.184	AS396982 Google LLC	`0.12ms` from Ashburn, US
149.162.30.184	AS87 Indiana University	`10.31ms` from Chicago, US
106.91.82.216	AS4134 CHINANET-BACKBONE	`4.78ms` from Chongqing, CN
108.128.124.200	AS16509 Amazon.com, Inc.	`0.17ms` from Dublin, IE
113.253.210.104	AS9304 HGC Global Communications Limited	`2.00ms` from Hong Kong, HK
89.35.249.152	AS203020 HostRoyale Technologies Pvt Ltd	`0.04ms` from Lisbon, PT
72.37.216.200	AS46562 Performive LLC	`0.63ms` from Los Angeles, US
80.104.222.24	AS3269 Telecom Italia S.p.A.	`5.79ms` from Milan, IT
122.27.78.88	AS4713 NTT DOCOMO BUSINESS,Inc.	`3.94ms` from Osaka, JP
34.225.230.56	AS14618 Amazon.com, Inc.	`0.20ms` from Reston, US
14.0.73.168	AS38107 CDNetworks	`0.84ms` from Seoul, KR
125.154.59.232	AS4766 Korea Telecom	`2.29ms` from Seoul, KR
113.29.210.168	AS45768 CEnet	`0.56ms` from Sydney, AU
77.169.190.24	AS1136 KPN B.V.	`2.40ms` from Amsterdam, NL
20.224.255.216	AS8075 Microsoft Corporation	`0.25ms` 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 -f6 -m9 131.44.121.242

traceroute to 131.44.121.242 (131.44.121.242): 9 hops max, 52 byte packets

6 [AS137699] 121.226.193.78 2.76 ms

7 *

8 *

9 *

Measurement taken from

IPinfo ProbeNet in Suqian, CN

On January 9th 2026

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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